SONAR-236 remove deprecated code from checkstyle plugin + display default value of rule parameters in Q profile console

49 files changed, 3573 insertions, 0 deletions

diff --git a/sonar-plugin-api/src/main/java/org/sonar/api/web/AbstractDashboardWidget.java b/sonar-plugin-api/src/main/java/org/sonar/api/web/AbstractDashboardWidget.java
new file mode 100644
index 00000000000..be9d0415405
--- /dev/null
+++ b/sonar-plugin-api/src/main/java/org/sonar/api/web/AbstractDashboardWidget.java
@@ -0,0 +1,36 @@
+/*
+ * Sonar, open source software quality management tool.
+ * Copyright (C) 2009 SonarSource SA
+ * mailto:contact AT sonarsource DOT com
+ *
+ * Sonar is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * Sonar is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Sonar; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
+ */
+package org.sonar.api.web;
+
+/**
+ * @since 1.10
+ * @deprecated override org.sonar.api.web.AbstractRubyTemplate and implement org.sonar.api.web.RubyRailsWidget
+ */
+@Deprecated
+public abstract class AbstractDashboardWidget extends AbstractRubyTemplate implements RubyRailsWidget {
+
+  public String getId() {
+    return getClass().toString();
+  }
+
+  public String getTitle() {
+    return getClass().toString();
+  }
+}
diff --git a/sonar-plugin-api/src/main/java/org/sonar/api/web/AbstractRubyTemplate.java b/sonar-plugin-api/src/main/java/org/sonar/api/web/AbstractRubyTemplate.java
new file mode 100644
index 00000000000..a9f9c22428c
--- /dev/null
+++ b/sonar-plugin-api/src/main/java/org/sonar/api/web/AbstractRubyTemplate.java
@@ -0,0 +1,100 @@
+/*
+ * Sonar, open source software quality management tool.
+ * Copyright (C) 2009 SonarSource SA
+ * mailto:contact AT sonarsource DOT com
+ *
+ * Sonar is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * Sonar is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Sonar; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
+ */
+package org.sonar.api.web;
+
+import org.apache.commons.io.FileUtils;
+import org.apache.commons.io.IOUtils;
+import org.sonar.api.utils.SonarException;
+
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.io.InputStream;
+
+/**
+ * It's useful in development environment to see browser rendering in real time while editing the template. To do that, just
+ * return an absolute path in the method getTemplatePath() :<br/>
+ * <pre>
+ * <code>
+ *   protected String getTemplatePath() {
+ *    return "/tmp/sample_dashboard_widget.erb";
+ *   }
+ * </code>
+ * </pre>
+ * Build and deploy the plugin in /extensions/plugins. The file /tmp/sample_dashboard_widget.erb will be reloaded on each request.
+ * <p/>
+ * <br/>
+ * In production environment, you have to return the classloader path, for example "/org/sonar/myplugin/sample_dashboard_widget.erb".
+ *
+ * @since 1.11
+ */
+public abstract class AbstractRubyTemplate {
+
+  private String cache = null;
+
+  public String getTemplate() {
+    String result = loadTemplateFromCache();
+    try {
+      if (result == null) {
+        result = loadTemplateFromClasspath();
+      }
+      if (result == null) {
+        result = loadTemplateFromAbsolutePath();
+      }
+      return result;
+
+    } catch (IOException e) {
+      throw new SonarException("Can not read the file " + getTemplatePath(), e);
+    }
+  }
+
+  private String loadTemplateFromAbsolutePath() throws IOException {
+    File file = new File(getTemplatePath());
+    if (file.exists()) {
+      // the result is not cached
+      return FileUtils.readFileToString(file);
+    }
+    throw new FileNotFoundException(getTemplatePath());
+  }
+
+  private String loadTemplateFromClasspath() throws IOException {
+    InputStream input = getClass().getResourceAsStream(getTemplatePath());
+    try {
+      if (input != null) {
+        cache = IOUtils.toString(input);
+        return cache;
+      }
+    } finally {
+      IOUtils.closeQuietly(input);
+    }
+    return null;
+  }
+
+  protected String loadTemplateFromCache() {
+    return cache;
+  }
+
+  /**
+   * the path of the template. In production environment, it's the classloader path (for example "/org/sonar/my_template.erb").
+   * In dev mode, it's useful to return an absolute path (for example C:/temp/my_template.erb). In such a case the result is not cached.
+   */
+  protected abstract String getTemplatePath();
+
+}
diff --git a/sonar-plugin-api/src/main/java/org/sonar/api/web/CodeColorizerFormat.java b/sonar-plugin-api/src/main/java/org/sonar/api/web/CodeColorizerFormat.java
new file mode 100644
index 00000000000..21d2894aeea
--- /dev/null
+++ b/sonar-plugin-api/src/main/java/org/sonar/api/web/CodeColorizerFormat.java
@@ -0,0 +1,73 @@
+/*
+ * Sonar, open source software quality management tool.
+ * Copyright (C) 2009 SonarSource SA
+ * mailto:contact AT sonarsource DOT com
+ *
+ * Sonar is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * Sonar is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Sonar; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
+ */
+package org.sonar.api.web;
+
+import org.sonar.api.ServerExtension;
+import org.sonar.channel.Channel;
+import org.sonar.colorizer.HtmlCodeBuilder;
+import org.sonar.colorizer.Tokenizer;
+
+import java.util.List;
+
+/**
+ * Extend the library sonar-colorizer to support new languages. By default only Java sources are colorized in Sonar.
+ *
+ * @since 1.12
+ */
+public abstract class CodeColorizerFormat implements ServerExtension {
+
+  private String languageKey;
+
+  /**
+   * @param languageKey the unique sonar key. Not null.
+   */
+  protected CodeColorizerFormat(String languageKey) {
+    this.languageKey = languageKey;
+  }
+
+  public final String getLanguageKey() {
+    return languageKey;
+  }
+
+  /**
+   * sonar-colorizer tokenizers for HTML output.
+   * @return a not null list (empty if no tokenizers) 
+   */
+  public abstract List<Tokenizer> getTokenizers();
+
+  @Override
+  public boolean equals(Object o) {
+    if (this == o) {
+      return true;
+    }
+    if (!(o instanceof CodeColorizerFormat)) {
+      return false;
+    }
+
+    CodeColorizerFormat format = (CodeColorizerFormat) o;
+    return languageKey.equals(format.languageKey);
+
+  }
+
+  @Override
+  public int hashCode() {
+    return languageKey.hashCode();
+  }
+}
diff --git a/sonar-plugin-api/src/main/java/org/sonar/api/web/DefaultTab.java b/sonar-plugin-api/src/main/java/org/sonar/api/web/DefaultTab.java
new file mode 100644
index 00000000000..27bb8cc9bfe
--- /dev/null
+++ b/sonar-plugin-api/src/main/java/org/sonar/api/web/DefaultTab.java
@@ -0,0 +1,37 @@
+/*
+ * Sonar, open source software quality management tool.
+ * Copyright (C) 2009 SonarSource SA
+ * mailto:contact AT sonarsource DOT com
+ *
+ * Sonar is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * Sonar is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Sonar; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
+ */
+package org.sonar.api.web;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * @since 2.0
+ */
+@Retention(RetentionPolicy.RUNTIME)
+@Target(ElementType.TYPE)
+public @interface DefaultTab {
+
+  // default value is all metrics
+  String[] metrics() default {};
+  
+}
diff --git a/sonar-plugin-api/src/main/java/org/sonar/api/web/Footer.java b/sonar-plugin-api/src/main/java/org/sonar/api/web/Footer.java
new file mode 100644
index 00000000000..0bf9f56ee21
--- /dev/null
+++ b/sonar-plugin-api/src/main/java/org/sonar/api/web/Footer.java
@@ -0,0 +1,33 @@
+/*

+ * Sonar, open source software quality management tool.

+ * Copyright (C) 2009 SonarSource SA

+ * mailto:contact AT sonarsource DOT com

+ *

+ * Sonar is free software; you can redistribute it and/or

+ * modify it under the terms of the GNU Lesser General Public

+ * License as published by the Free Software Foundation; either

+ * version 3 of the License, or (at your option) any later version.

+ *

+ * Sonar is distributed in the hope that it will be useful,

+ * but WITHOUT ANY WARRANTY; without even the implied warranty of

+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

+ * Lesser General Public License for more details.

+ *

+ * You should have received a copy of the GNU Lesser General Public

+ * License along with Sonar; if not, write to the Free Software

+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02

+ */

+package org.sonar.api.web;

+

+import org.sonar.api.ServerExtension;

+

+/**

+ * @since 1.10

+ */

+public interface Footer extends ServerExtension {

+

+  /**

+   * Static HTML (no Ruby on Rails nor GWT)

+   */

+  String getHtml();

+}

diff --git a/sonar-plugin-api/src/main/java/org/sonar/api/web/GwtExtension.java b/sonar-plugin-api/src/main/java/org/sonar/api/web/GwtExtension.java
new file mode 100644
index 00000000000..1281aa966c7
--- /dev/null
+++ b/sonar-plugin-api/src/main/java/org/sonar/api/web/GwtExtension.java
@@ -0,0 +1,29 @@
+/*
+ * Sonar, open source software quality management tool.
+ * Copyright (C) 2009 SonarSource SA
+ * mailto:contact AT sonarsource DOT com
+ *
+ * Sonar is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * Sonar is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Sonar; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
+ */
+package org.sonar.api.web;
+
+import org.sonar.api.ServerExtension;
+
+/**
+ * @since 1.10
+ */
+public interface GwtExtension extends ServerExtension {
+  String getGwtId();
+}
diff --git a/sonar-plugin-api/src/main/java/org/sonar/api/web/GwtPage.java b/sonar-plugin-api/src/main/java/org/sonar/api/web/GwtPage.java
new file mode 100644
index 00000000000..b4942b2a6c8
--- /dev/null
+++ b/sonar-plugin-api/src/main/java/org/sonar/api/web/GwtPage.java
@@ -0,0 +1,31 @@
+/*
+ * Sonar, open source software quality management tool.
+ * Copyright (C) 2009 SonarSource SA
+ * mailto:contact AT sonarsource DOT com
+ *
+ * Sonar is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * Sonar is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Sonar; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
+ */
+package org.sonar.api.web;
+
+/**
+ * @since 1.11
+ */
+public abstract class GwtPage implements Page, GwtExtension {
+
+  public final String getId() {
+    return getGwtId();
+  }
+
+}
diff --git a/sonar-plugin-api/src/main/java/org/sonar/api/web/NavigationSection.java b/sonar-plugin-api/src/main/java/org/sonar/api/web/NavigationSection.java
new file mode 100644
index 00000000000..7a669c5a048
--- /dev/null
+++ b/sonar-plugin-api/src/main/java/org/sonar/api/web/NavigationSection.java
@@ -0,0 +1,45 @@
+/*
+ * Sonar, open source software quality management tool.
+ * Copyright (C) 2009 SonarSource SA
+ * mailto:contact AT sonarsource DOT com
+ *
+ * Sonar is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * Sonar is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Sonar; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
+ */
+package org.sonar.api.web;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * The Page is displayed only in listed sections. This annotation is ignored on Widgets.
+ *
+ * @since 1.11
+ */
+@Retention(RetentionPolicy.RUNTIME)
+@Target(ElementType.TYPE)
+public @interface NavigationSection {
+
+  public static final String HOME = "home";
+  public static final String RESOURCE = "resource";
+  public static final String RESOURCE_TAB = "resource_tab";
+  public static final String CONFIGURATION = "configuration";
+
+
+  String[] value() default {HOME};
+
+}
+
diff --git a/sonar-plugin-api/src/main/java/org/sonar/api/web/Page.java b/sonar-plugin-api/src/main/java/org/sonar/api/web/Page.java
new file mode 100644
index 00000000000..ebed61f4f0a
--- /dev/null
+++ b/sonar-plugin-api/src/main/java/org/sonar/api/web/Page.java
@@ -0,0 +1,27 @@
+/*
+ * Sonar, open source software quality management tool.
+ * Copyright (C) 2009 SonarSource SA
+ * mailto:contact AT sonarsource DOT com
+ *
+ * Sonar is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * Sonar is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Sonar; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
+ */
+package org.sonar.api.web;
+
+/**
+ * @since 2.0
+ */
+public interface Page extends View {
+  
+}
diff --git a/sonar-plugin-api/src/main/java/org/sonar/api/web/ResourceLanguage.java b/sonar-plugin-api/src/main/java/org/sonar/api/web/ResourceLanguage.java
new file mode 100644
index 00000000000..7c8a80d3af8
--- /dev/null
+++ b/sonar-plugin-api/src/main/java/org/sonar/api/web/ResourceLanguage.java
@@ -0,0 +1,42 @@
+/*
+ * Sonar, open source software quality management tool.
+ * Copyright (C) 2009 SonarSource SA
+ * mailto:contact AT sonarsource DOT com
+ *
+ * Sonar is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * Sonar is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Sonar; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
+ */
+package org.sonar.api.web;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * The view is displayed only if the selected resource has the same language.
+ *
+ * @since 1.11
+ */
+@Retention(RetentionPolicy.RUNTIME)
+@Target(ElementType.TYPE)
+public @interface ResourceLanguage {
+
+  /**
+   * An empty value means all resource scopes.
+   */
+  String[] value() default {};
+
+}
+
diff --git a/sonar-plugin-api/src/main/java/org/sonar/api/web/ResourceQualifier.java b/sonar-plugin-api/src/main/java/org/sonar/api/web/ResourceQualifier.java
new file mode 100644
index 00000000000..7b6a02cfa0a
--- /dev/null
+++ b/sonar-plugin-api/src/main/java/org/sonar/api/web/ResourceQualifier.java
@@ -0,0 +1,42 @@
+/*
+ * Sonar, open source software quality management tool.
+ * Copyright (C) 2009 SonarSource SA
+ * mailto:contact AT sonarsource DOT com
+ *
+ * Sonar is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * Sonar is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Sonar; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
+ */
+package org.sonar.api.web;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * The view is displayed only if the selected resource has the same qualifier.
+ *
+ * @since 1.11
+ */
+@Retention(RetentionPolicy.RUNTIME)
+@Target(ElementType.TYPE)
+public @interface ResourceQualifier {
+
+  /**
+   * An empty value means all resource scopes.
+   */
+  String[] value() default {};
+
+}
+
diff --git a/sonar-plugin-api/src/main/java/org/sonar/api/web/ResourceScope.java b/sonar-plugin-api/src/main/java/org/sonar/api/web/ResourceScope.java
new file mode 100644
index 00000000000..82c1e7ea4db
--- /dev/null
+++ b/sonar-plugin-api/src/main/java/org/sonar/api/web/ResourceScope.java
@@ -0,0 +1,42 @@
+/*
+ * Sonar, open source software quality management tool.
+ * Copyright (C) 2009 SonarSource SA
+ * mailto:contact AT sonarsource DOT com
+ *
+ * Sonar is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * Sonar is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Sonar; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
+ */
+package org.sonar.api.web;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+
+/**
+ * The view is displayed only if the selected resource has the same qualifier.
+ *
+ * @since 1.11
+ */
+@Retention(RetentionPolicy.RUNTIME)
+@Target(ElementType.TYPE)
+public @interface ResourceScope {
+
+  /**
+   * An empty value means all resource scopes.
+   */
+  String[] value() default {};
+
+}
\ No newline at end of file
diff --git a/sonar-plugin-api/src/main/java/org/sonar/api/web/RubyRailsPage.java b/sonar-plugin-api/src/main/java/org/sonar/api/web/RubyRailsPage.java
new file mode 100644
index 00000000000..7f802040597
--- /dev/null
+++ b/sonar-plugin-api/src/main/java/org/sonar/api/web/RubyRailsPage.java
@@ -0,0 +1,32 @@
+/*
+ * Sonar, open source software quality management tool.
+ * Copyright (C) 2009 SonarSource SA
+ * mailto:contact AT sonarsource DOT com
+ *
+ * Sonar is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * Sonar is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Sonar; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
+ */
+package org.sonar.api.web;
+
+/**
+ * @since 1.11
+ */
+public interface RubyRailsPage extends Page {
+
+  /**
+   * @return Content of the Ruby on Rails template
+   */
+  String getTemplate();
+
+}
\ No newline at end of file
diff --git a/sonar-plugin-api/src/main/java/org/sonar/api/web/RubyRailsWebservice.java b/sonar-plugin-api/src/main/java/org/sonar/api/web/RubyRailsWebservice.java
new file mode 100644
index 00000000000..5746873914e
--- /dev/null
+++ b/sonar-plugin-api/src/main/java/org/sonar/api/web/RubyRailsWebservice.java
@@ -0,0 +1,41 @@
+/*
+ * Sonar, open source software quality management tool.
+ * Copyright (C) 2009 SonarSource SA
+ * mailto:contact AT sonarsource DOT com
+ *
+ * Sonar is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * Sonar is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Sonar; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
+ */
+package org.sonar.api.web;
+
+
+/**
+ * <b>EXPERIMENTAL</b>
+ * <p/>
+ * Interface to create a ruby web service extension point using the Ruby On Rails controller API (ActionController)
+ * The method getTemplate() return the ROR controller code, the name of the controller class defined in the template
+ * MUST match the following name scheme : Api::$Webservice.getId()Controller I.E : Webservice.getId() = TestWS > Api::TestWSController.
+ * The plugin will be deployed with the following URL scheme: http://sonarhost/api/plugins/$Webservice.getId()/:action/:id
+ * :action is the name of the controller method to call, :id is a param that will be passed to the controller, these 2 params are not mandatory
+ * and will call the index controler method if not specified.
+ *
+ * @since 1.11
+ */
+public interface RubyRailsWebservice extends Webservice {
+
+  /**
+   * @return Content of the Ruby on Rails web service controller class
+   */
+  String getTemplate();
+}
\ No newline at end of file
diff --git a/sonar-plugin-api/src/main/java/org/sonar/api/web/RubyRailsWidget.java b/sonar-plugin-api/src/main/java/org/sonar/api/web/RubyRailsWidget.java
new file mode 100644
index 00000000000..be2d0418919
--- /dev/null
+++ b/sonar-plugin-api/src/main/java/org/sonar/api/web/RubyRailsWidget.java
@@ -0,0 +1,40 @@
+/*
+ * Sonar, open source software quality management tool.
+ * Copyright (C) 2009 SonarSource SA
+ * mailto:contact AT sonarsource DOT com
+ *
+ * Sonar is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * Sonar is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Sonar; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
+ */
+package org.sonar.api.web;
+
+/**
+ * Widget in project dashboard page. It's recommended to also extend AbstractRubyTemplate :
+ * <p/>
+ * <code>
+ * public class MyWidget extends AbstractRubyTemplate implements RubyRailsWidget {
+ * protected String getTemplatePath() {
+ * return "/myplugin/my_template.erb";
+ * }
+ * }
+ * </code>
+ *
+ * @since 1.11
+ */
+public interface RubyRailsWidget extends Widget {
+  /**
+   * @return content of the Ruby on Rails template
+   */
+  String getTemplate();
+}
diff --git a/sonar-plugin-api/src/main/java/org/sonar/api/web/Section.java b/sonar-plugin-api/src/main/java/org/sonar/api/web/Section.java
new file mode 100644
index 00000000000..8f118df0660
--- /dev/null
+++ b/sonar-plugin-api/src/main/java/org/sonar/api/web/Section.java
@@ -0,0 +1,29 @@
+/*
+ * Sonar, open source software quality management tool.
+ * Copyright (C) 2009 SonarSource SA
+ * mailto:contact AT sonarsource DOT com
+ *
+ * Sonar is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * Sonar is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Sonar; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
+ */
+package org.sonar.api.web;
+
+/**
+ * @since 1.10
+ * @deprecated add annotation org.sonar.api.web.NavigationSection to View extensions
+ */
+@Deprecated
+public enum Section {
+  HOME, PROJECT, CONFIGURATION
+}
diff --git a/sonar-plugin-api/src/main/java/org/sonar/api/web/UserRole.java b/sonar-plugin-api/src/main/java/org/sonar/api/web/UserRole.java
new file mode 100644
index 00000000000..227497903e5
--- /dev/null
+++ b/sonar-plugin-api/src/main/java/org/sonar/api/web/UserRole.java
@@ -0,0 +1,45 @@
+/*
+ * Sonar, open source software quality management tool.
+ * Copyright (C) 2009 SonarSource SA
+ * mailto:contact AT sonarsource DOT com
+ *
+ * Sonar is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * Sonar is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Sonar; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
+ */
+package org.sonar.api.web;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * @since 1.11
+ */
+@Retention(RetentionPolicy.RUNTIME)
+@Target(ElementType.TYPE)
+public @interface UserRole {
+
+  /**
+   * @deprecated use the constant USER since 1.12.
+   */
+  @Deprecated public static final String VIEWER = "user";
+
+  public static final String USER = "user";
+  public static final String ADMIN = "admin";
+  public static final String CODEVIEWER = "codeviewer";
+
+  String[] value() default {};
+
+}
\ No newline at end of file
diff --git a/sonar-plugin-api/src/main/java/org/sonar/api/web/View.java b/sonar-plugin-api/src/main/java/org/sonar/api/web/View.java
new file mode 100644
index 00000000000..3e3dfabc9d4
--- /dev/null
+++ b/sonar-plugin-api/src/main/java/org/sonar/api/web/View.java
@@ -0,0 +1,32 @@
+/*
+ * Sonar, open source software quality management tool.
+ * Copyright (C) 2009 SonarSource SA
+ * mailto:contact AT sonarsource DOT com
+ *
+ * Sonar is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * Sonar is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Sonar; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
+ */
+package org.sonar.api.web;
+
+import org.sonar.api.ServerExtension;
+
+/**
+ * @since 1.11
+ */
+public interface View extends ServerExtension {
+
+  String getId();
+
+  String getTitle();
+}
diff --git a/sonar-plugin-api/src/main/java/org/sonar/api/web/Webservice.java b/sonar-plugin-api/src/main/java/org/sonar/api/web/Webservice.java
new file mode 100644
index 00000000000..9610b0183c8
--- /dev/null
+++ b/sonar-plugin-api/src/main/java/org/sonar/api/web/Webservice.java
@@ -0,0 +1,36 @@
+/*
+ * Sonar, open source software quality management tool.
+ * Copyright (C) 2009 SonarSource SA
+ * mailto:contact AT sonarsource DOT com
+ *
+ * Sonar is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * Sonar is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Sonar; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
+ */
+package org.sonar.api.web;
+
+import org.sonar.api.ServerExtension;
+
+/**
+ * Interface to create a web service extension point
+ *
+ * @since 1.11
+ */
+public interface Webservice extends ServerExtension {
+
+  /**
+   * @return The id of the web service
+   */
+  String getId();
+
+}
\ No newline at end of file
diff --git a/sonar-plugin-api/src/main/java/org/sonar/api/web/Widget.java b/sonar-plugin-api/src/main/java/org/sonar/api/web/Widget.java
new file mode 100644
index 00000000000..016dc481391
--- /dev/null
+++ b/sonar-plugin-api/src/main/java/org/sonar/api/web/Widget.java
@@ -0,0 +1,26 @@
+/*
+ * Sonar, open source software quality management tool.
+ * Copyright (C) 2009 SonarSource SA
+ * mailto:contact AT sonarsource DOT com
+ *
+ * Sonar is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * Sonar is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Sonar; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
+ */
+package org.sonar.api.web;
+
+/**
+ * @since 1.11
+ */
+public interface Widget extends View {
+}
diff --git a/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/AbstractPage.java b/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/AbstractPage.java
new file mode 100644
index 00000000000..9e0842af352
--- /dev/null
+++ b/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/AbstractPage.java
@@ -0,0 +1,50 @@
+/*
+ * Sonar, open source software quality management tool.
+ * Copyright (C) 2009 SonarSource SA
+ * mailto:contact AT sonarsource DOT com
+ *
+ * Sonar is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * Sonar is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Sonar; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
+ */
+package org.sonar.api.web.gwt.client;
+
+import com.google.gwt.core.client.EntryPoint;
+import com.google.gwt.core.client.GWT;
+import com.google.gwt.user.client.DOM;
+import com.google.gwt.user.client.Element;
+import com.google.gwt.user.client.ui.RootPanel;
+import com.google.gwt.user.client.ui.Widget;
+
+/**
+ * @deprecated since 2.0, use the lib sonar-gwt-api 
+ */
+@Deprecated
+public abstract class AbstractPage implements EntryPoint {
+
+  protected void displayView(Widget widget) {
+    Element loading = DOM.getElementById("loading");
+    if (loading != null) {
+      DOM.removeChild(getRootPanel().getElement(), loading);
+    }
+    getRootPanel().add(widget);
+  }
+
+  protected RootPanel getRootPanel() {
+    RootPanel rootPanel = RootPanel.get("gwtpage-" + GWT.getModuleName());
+    if (rootPanel == null) {
+      rootPanel = RootPanel.get("gwtpage");
+    }
+    return rootPanel;
+  }
+}
diff --git a/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/AbstractViewer.java b/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/AbstractViewer.java
new file mode 100644
index 00000000000..0d442fd541a
--- /dev/null
+++ b/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/AbstractViewer.java
@@ -0,0 +1,216 @@
+/*
+ * Sonar, open source software quality management tool.
+ * Copyright (C) 2009 SonarSource SA
+ * mailto:contact AT sonarsource DOT com
+ *
+ * Sonar is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * Sonar is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Sonar; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
+ */
+package org.sonar.api.web.gwt.client;
+
+import com.google.gwt.core.client.EntryPoint;
+import com.google.gwt.core.client.JavaScriptObject;
+import com.google.gwt.user.client.ui.FlowPanel;
+import com.google.gwt.user.client.ui.Panel;
+import com.google.gwt.user.client.ui.RootPanel;
+import com.google.gwt.user.client.ui.Widget;
+import org.sonar.api.web.gwt.client.webservices.*;
+
+import java.util.Arrays;
+
+public abstract class AbstractViewer implements EntryPoint {
+
+  public static final String HTML_ROOT_ID = "resource_viewers";
+
+  private Resource resource;
+  private String renderedResourceKey = "";
+  private Panel widgetPanel = null;
+  private boolean standAloneMode = true;
+
+  public void onModuleLoad() {
+    exportJavascript();
+  }
+
+  /**
+   * Export GWT javascript methods to load and control the plugin, must export currently 2 method :
+   * I.E for plugin GWT id : foo.bar.MyPlugin, class foo.bar.client.MyPlugin :
+   * <p/>
+   * $wnd.load_foo_bar_MyPlugin = function() {
+   * called to the plugin init from JS
+   * obj.@foo.bar.client.MyPlugin::loadContainer()();
+   * }
+   * $wnd.on_resource_loaded_foo_bar_MyPlugin = function() {
+   * called when a resource JSON object has been refreshed within the page
+   * obj.@foo.bar.client.MyPlugin::onResourceLoaded()();
+   * }
+   */
+  protected abstract void exportJavascript();
+
+  /**
+   * When multiple widgets are bound to the same HTML div, this method will indicate
+   * If the resource widget is the default one to show when the widget is initialized
+   *
+   * @param metric   the metric for which the widget is shown, cannot be null
+   * @param resource the resource bound to the widget
+   * @return true or false
+   */
+  protected abstract boolean isDefault(WSMetrics.Metric metric, Resource resource);
+
+  /**
+   * Finds if a given metric is in the provided metrics list
+   *
+   * @param metric      the metric to search
+   * @param metricsList the metric list
+   * @return true or false if not found
+   */
+  protected boolean isMetricInList(WSMetrics.Metric metric, WSMetrics.Metric... metricsList) {
+    return Arrays.asList(metricsList).contains(metric);
+  }
+
+  /**
+   * When multiple widgets are in the same page, this method will indicate if the widget
+   * can be shown for the given resource
+   *
+   * @param resource the resource bound to the page
+   * @return true or false
+   */
+  protected abstract boolean isForResource(Resource resource);
+
+
+  public Resource getResource() {
+    return resource;
+  }
+
+  private Resource loadResource() {
+    JavaScriptObject resourceJson = getResourceJSONObject();
+    if (resourceJson != null) {
+      Resource resourceLoaded = ResourcesQuery.parseResources(resourceJson).get(0);
+      String currentMetricKey = ResourceDictionary.getViewerMetricKey();
+      Boolean isDefaultForMetric = false;
+      if (currentMetricKey != null) {
+        isDefaultForMetric = isDefault(WSMetrics.get(currentMetricKey), resourceLoaded);
+      }
+      exportJSBooleanVariable("is_default_for_metric", Utils.widgetGWTIdJSEncode(getGwtId()), isDefaultForMetric);
+      exportJSBooleanVariable("is_for_resource", Utils.widgetGWTIdJSEncode(getGwtId()), isForResource(resourceLoaded));
+      return resourceLoaded;
+    }
+    return null;
+  }
+
+  /**
+   * Called when a resource JSON object has been loaded within the page
+   */
+  public final void onResourceLoaded() {
+    resource = loadResource();
+    standAloneMode = false;
+  }
+
+  /**
+   * Called to render the widget for the given resource object loaded via the onResourceLoaded() method call
+   */
+  public final void loadContainer() {
+    String resourceKey = ResourceDictionary.getViewerResourceKey();
+    if (resourceKey != null) {
+      if (!standAloneMode && resource == null) {
+        Utils.showError("Unable to find JSON resource object, unable to render widget");
+        return;
+      } else if (standAloneMode && resource == null) {
+        getResourceJsonObject(resourceKey);
+        return;
+      }
+      String currentResourceKey = isANumber(resourceKey) ? resource.getId().toString() : resource.getKey();
+      if (!renderedResourceKey.equals(currentResourceKey)) {
+        // resource key has changed reload if not in standalone mode
+        if (!standAloneMode) {
+          resource = loadResource();
+        }
+
+        if (widgetPanel == null) {
+          RootPanel rootPanel = RootPanel.get(HTML_ROOT_ID);
+          if (rootPanel == null) {
+            Utils.showError("Unable to find root panel " + HTML_ROOT_ID + " in page");
+          }
+          widgetPanel = new FlowPanel();
+          widgetPanel.setStyleName("gwt-ResourceTab");
+          String panelId = "tab-" + Utils.widgetGWTIdJSEncode(getGwtId());
+          widgetPanel.getElement().setId(panelId);
+          registerTab(panelId);
+          widgetPanel.setVisible(false);
+          rootPanel.add(widgetPanel);
+        }
+
+        renderedResourceKey = resourceKey;
+
+        if (widgetPanel != null) {
+          widgetPanel.clear();
+          widgetPanel.add(render(resource));
+        }
+      }
+    }
+
+    if (widgetPanel != null) {
+      widgetPanel.setVisible(true);
+    }
+  }
+
+  private static native void registerTab(Object tabId) /*-{
+    $wnd.registeredTabs.push(tabId);
+  }-*/;
+
+
+  private native void exportJSBooleanVariable(String varPrefix, String encodedGWTId, boolean value)/*-{
+    $wnd.config[varPrefix + "_" + encodedGWTId] = value;
+  }-*/;
+
+  /**
+   * Return the GWT id of the widget
+   */
+  protected abstract String getGwtId();
+
+  /**
+   * Renders the widget for the current resource
+   */
+  protected abstract Widget render(Resource resource);
+
+  /**
+   * Return a JavaScriptObject object containing all the measure available for the current resource key
+   *
+   * @return the JavaScriptObject instance, should never be null
+   */
+  protected native JavaScriptObject getResourceJSONObject()/*-{
+    return $wnd.config['current_resource'];
+  }-*/;
+
+
+  private boolean isANumber(String resourceKey) {
+    boolean isIdResourceKey = true;
+    try {
+      Integer.parseInt(resourceKey);
+    } catch (NumberFormatException ex) {
+      isIdResourceKey = false;
+    }
+    return isIdResourceKey;
+  }
+
+  private void getResourceJsonObject(String resourceKey) {
+    ResourcesQuery.get(resourceKey).execute(new StandAloneResourceHandler());
+  }
+
+  public class StandAloneResourceHandler extends BaseQueryCallback<Resources> {
+    public void onResponse(Resources resources, JavaScriptObject jsonResponse) {
+      resource = resources.firstResource();
+      loadContainer();
+    }
+  }
+}
diff --git a/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/ResourceDictionary.java b/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/ResourceDictionary.java
new file mode 100644
index 00000000000..7e45a702174
--- /dev/null
+++ b/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/ResourceDictionary.java
@@ -0,0 +1,59 @@
+/*

+ * Sonar, open source software quality management tool.

+ * Copyright (C) 2009 SonarSource SA

+ * mailto:contact AT sonarsource DOT com

+ *

+ * Sonar is free software; you can redistribute it and/or

+ * modify it under the terms of the GNU Lesser General Public

+ * License as published by the Free Software Foundation; either

+ * version 3 of the License, or (at your option) any later version.

+ *

+ * Sonar is distributed in the hope that it will be useful,

+ * but WITHOUT ANY WARRANTY; without even the implied warranty of

+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

+ * Lesser General Public License for more details.

+ *

+ * You should have received a copy of the GNU Lesser General Public

+ * License along with Sonar; if not, write to the Free Software

+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02

+ */

+package org.sonar.api.web.gwt.client;

+

+import com.google.gwt.i18n.client.Dictionary;

+

+public final class ResourceDictionary {

+

+  public final static String CONF_PERMALINK_BASE = "permalink_url_base";

+  public final static String CONF_RESOURCE_KEY = "resource_key";

+  public final static String CONF_V_RESOURCE_KEY = "viewer_resource_key";

+  public final static String CONF_V_PLUGIN_KEY = "viewer_plugin_key";

+  public final static String CONF_V_METRIC_KEY = "metric";

+

+  private ResourceDictionary() {

+  }

+

+  public static String getPermaLinkURLBase() {

+    return Utils.getConfiguration(CONF_PERMALINK_BASE);

+  }

+

+  public static String getResourceKey() {

+    return Utils.getConfiguration(CONF_RESOURCE_KEY);

+  }

+

+  public static String getViewerResourceKey() {

+    return Utils.getConfiguration(CONF_V_RESOURCE_KEY);

+  }

+

+  public static String getViewerPluginKey() {

+    return Utils.getConfiguration(CONF_V_PLUGIN_KEY);

+  }

+

+  public static String getViewerMetricKey() {

+    return Utils.getConfiguration(CONF_V_METRIC_KEY);

+  }

+

+  public static Dictionary getResourceViewers() {

+    return Dictionary.getDictionary("resource_viewers");

+  }

+

+}

diff --git a/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/Utils.java b/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/Utils.java
new file mode 100644
index 00000000000..7bcee0fe809
--- /dev/null
+++ b/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/Utils.java
@@ -0,0 +1,154 @@
+/*
+ * Sonar, open source software quality management tool.
+ * Copyright (C) 2009 SonarSource SA
+ * mailto:contact AT sonarsource DOT com
+ *
+ * Sonar is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * Sonar is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Sonar; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
+ */
+package org.sonar.api.web.gwt.client;
+
+import com.google.gwt.i18n.client.Dictionary;
+import com.google.gwt.i18n.client.NumberFormat;
+import com.google.gwt.user.client.DOM;
+import com.google.gwt.user.client.Element;
+import com.google.gwt.user.client.Window;
+import org.sonar.api.web.gwt.client.webservices.Resource;
+
+import java.util.Set;
+
+/**
+ * A class of web utility
+ *
+ * @since 1.10
+ */
+public final class Utils {
+  private Utils() {
+  }
+
+  public static String getConfiguration(String key) {
+    return getConfiguration(key, null);
+  }
+
+  public static String getConfiguration(String key, String defaultValue) {
+    String result = getDictionaryEntry("config", key);
+    if (result == null) {
+      result = defaultValue;
+    }
+    return result;
+  }
+
+  public static native void setConfiguration(String key, String val)  /*-{
+    $wnd.config[key] = val;
+  }-*/;
+
+  public static String getRequestParameter(String key) {
+    return getDictionaryEntry("request_parameters", key);
+  }
+
+  public static Set<String> getConfigurationKeys() {
+    return getDictionaryKeys("config");
+  }
+
+  public static Set<String> getRequestParameterNames() {
+    return getDictionaryKeys("request_parameters");
+  }
+
+  private static String getDictionaryEntry(String dictionaryName, String key) {
+    try {
+      Dictionary dic = Dictionary.getDictionary(dictionaryName);
+      if (dic != null) {
+        return dic.get(key);
+      }
+      return null;
+
+    } catch (Exception e) {
+      return null;
+    }
+  }
+
+  private static Set<String> getDictionaryKeys(String dictionaryName) {
+    Dictionary dic = Dictionary.getDictionary(dictionaryName);
+    if (dic != null) {
+      return dic.keySet();
+    }
+    return null;
+  }
+
+  public static String widgetGWTIdJSEncode(String widgetGWTId) {
+    return widgetGWTId.replace('.', '_');
+  }
+
+  public static String getServerUrl() {
+    return getConfiguration("sonar_url");
+  }
+
+  public static String getServerApiUrl() {
+    return getServerUrl() + "/api";
+  }
+
+  public static String escapeHtml(String maybeHtml) {
+    final Element div = DOM.createDiv();
+    DOM.setInnerText(div, maybeHtml);
+    return DOM.getInnerHTML(div);
+  }
+
+  public static String formatPercent(String percentage) {
+    return percentage == null || percentage.equals("") ? "" : formatPercent(new Double(percentage));
+  }
+
+  public static String formatPercent(double percentage) {
+    return NumberFormat.getFormat("0.0").format(percentage) + "%";
+  }
+
+  public static String formatNumber(String number) {
+    return number == null || number.equals("") ? "" : formatNumber(new Double(number));
+  }
+
+  public static String formatNumber(double number) {
+    return NumberFormat.getDecimalFormat().format(number);
+  }
+
+  public static native void showError(String message) /*-{
+    $wnd.error(message);
+  }-*/;
+
+  public static native void showWarning(String message) /*-{
+    $wnd.warning(message);
+  }-*/;
+
+  public static native void showInfo(String message) /*-{
+    $wnd.info(message);
+  }-*/;
+
+  /**
+   * Display the resource in a popup.
+   *
+   * @param resource  the resource to display, not null
+   * @param metricKey the metric to highlight (optional : can be null)
+   */
+  public static void openResourcePopup(final Resource resource, final String metricKey) {
+    String url = Utils.getServerUrl() + "/resource/index/" + resource.getId();
+    if (metricKey != null) {
+      url += "?" + ResourceDictionary.CONF_V_METRIC_KEY + "=" + metricKey;
+    }
+    Window.open(url, "resource", "height=800,width=900,scrollbars=1,resizable=1");
+  }
+
+  public static String getUrlToRuleDescription(final String ruleKey, final boolean showLayout) {
+    return Utils.getServerUrl() + "/rules/show/" + ruleKey + "?layout=" + showLayout;
+  }
+}
+
+
diff --git a/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/webservices/AbstractResourceQuery.java b/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/webservices/AbstractResourceQuery.java
new file mode 100644
index 00000000000..9c2e6c2de8a
--- /dev/null
+++ b/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/webservices/AbstractResourceQuery.java
@@ -0,0 +1,40 @@
+/*
+ * Sonar, open source software quality management tool.
+ * Copyright (C) 2009 SonarSource SA
+ * mailto:contact AT sonarsource DOT com
+ *
+ * Sonar is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * Sonar is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Sonar; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
+ */
+package org.sonar.api.web.gwt.client.webservices;
+
+
+public abstract class AbstractResourceQuery<R extends ResponsePOJO> extends Query<R> {
+
+  private String resourceKey;
+
+  protected AbstractResourceQuery(String resourceKey) {
+    super();
+    this.resourceKey = resourceKey;
+  }
+
+  public String getResourceKey() {
+    return resourceKey;
+  }
+
+  public void setResourceKey(String resourceKey) {
+    this.resourceKey = resourceKey;
+  }
+
+}
diff --git a/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/webservices/BaseQueryCallback.java b/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/webservices/BaseQueryCallback.java
new file mode 100644
index 00000000000..119422740a5
--- /dev/null
+++ b/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/webservices/BaseQueryCallback.java
@@ -0,0 +1,52 @@
+/*
+ * Sonar, open source software quality management tool.
+ * Copyright (C) 2009 SonarSource SA
+ * mailto:contact AT sonarsource DOT com
+ *
+ * Sonar is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * Sonar is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Sonar; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
+ */
+package org.sonar.api.web.gwt.client.webservices;
+
+import org.sonar.api.web.gwt.client.Utils;
+import org.sonar.api.web.gwt.client.widgets.LoadingLabel;
+
+public abstract class BaseQueryCallback<P extends ResponsePOJO> implements QueryCallBack<P> {
+
+  private LoadingLabel loading;
+
+  public BaseQueryCallback() {
+    this(null);
+  }
+
+  public BaseQueryCallback(LoadingLabel loading) {
+    super();
+    this.loading = loading;
+  }
+
+  public void onError(int errorCode, String errorMessage) {
+    Utils.showError("Error received from server : " + errorCode + " - " + errorMessage);
+    if (loading != null) {
+      loading.removeFromParent();
+    }
+  }
+
+  public void onTimeout() {
+    Utils.showWarning("JSON query response timeout");
+    if (loading != null) {
+      loading.removeFromParent();
+    }
+  }
+
+}
\ No newline at end of file
diff --git a/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/webservices/FileSource.java b/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/webservices/FileSource.java
new file mode 100644
index 00000000000..82224296a97
--- /dev/null
+++ b/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/webservices/FileSource.java
@@ -0,0 +1,37 @@
+/*
+ * Sonar, open source software quality management tool.
+ * Copyright (C) 2009 SonarSource SA
+ * mailto:contact AT sonarsource DOT com
+ *
+ * Sonar is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * Sonar is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Sonar; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
+ */
+package org.sonar.api.web.gwt.client.webservices;
+
+import java.util.Map;
+
+public class FileSource extends ResponsePOJO {
+
+  private Map<Integer, String> sourceLines;
+
+  public FileSource(Map<Integer, String> sourceLines) {
+    super();
+    this.sourceLines = sourceLines;
+  }
+
+  public Map<Integer, String> getLines() {
+    return sourceLines;
+  }
+
+}
diff --git a/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/webservices/JSONHandlerDispatcher.java b/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/webservices/JSONHandlerDispatcher.java
new file mode 100644
index 00000000000..ee70c4993bd
--- /dev/null
+++ b/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/webservices/JSONHandlerDispatcher.java
@@ -0,0 +1,48 @@
+/*
+ * Sonar, open source software quality management tool.
+ * Copyright (C) 2009 SonarSource SA
+ * mailto:contact AT sonarsource DOT com
+ *
+ * Sonar is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * Sonar is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Sonar; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
+ */
+package org.sonar.api.web.gwt.client.webservices;
+
+import com.google.gwt.core.client.JavaScriptObject;
+
+public abstract class JSONHandlerDispatcher<P extends ResponsePOJO> implements JsonUtils.JSONHandler {
+
+  private QueryCallBack<P> callBack;
+
+  public JSONHandlerDispatcher(QueryCallBack<P> callBack) {
+    super();
+    this.callBack = callBack;
+  }
+
+  public abstract P parseResponse(JavaScriptObject obj);
+
+  public void onError(int errorCode, String errorMessage) {
+    callBack.onError(errorCode, errorMessage);
+  }
+
+  public void onResponse(JavaScriptObject obj) {
+    P responseObj = parseResponse(obj);
+    callBack.onResponse(responseObj, obj);
+  }
+
+  public void onTimeout() {
+    callBack.onTimeout();
+  }
+
+}
diff --git a/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/webservices/JsonUtils.java b/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/webservices/JsonUtils.java
new file mode 100644
index 00000000000..42a11919474
--- /dev/null
+++ b/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/webservices/JsonUtils.java
@@ -0,0 +1,182 @@
+/*
+ * Sonar, open source software quality management tool.
+ * Copyright (C) 2009 SonarSource SA
+ * mailto:contact AT sonarsource DOT com
+ *
+ * Sonar is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * Sonar is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Sonar; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
+ */
+package org.sonar.api.web.gwt.client.webservices;
+
+import java.util.Date;
+
+import com.google.gwt.core.client.JavaScriptException;
+import com.google.gwt.core.client.JavaScriptObject;
+import com.google.gwt.http.client.URL;
+import com.google.gwt.i18n.client.DateTimeFormat;
+import com.google.gwt.json.client.JSONArray;
+import com.google.gwt.json.client.JSONBoolean;
+import com.google.gwt.json.client.JSONNumber;
+import com.google.gwt.json.client.JSONObject;
+import com.google.gwt.json.client.JSONString;
+import com.google.gwt.json.client.JSONValue;
+
+public final class JsonUtils {
+  private static int requestId = 0;
+
+  private JsonUtils() {
+
+  }
+
+  public interface JSONHandler {
+    void onResponse(JavaScriptObject obj);
+
+    void onTimeout();
+
+    void onError(int errorCode, String errorMessage);
+  }
+
+  public static void requestJson(String url, JSONHandler handler) {
+    if (!url.endsWith("&") && !url.endsWith("?")) {
+      url += "&";
+    }
+    if (!url.contains("format=json")) {
+      url += "format=json&";
+    }
+    if (!url.contains("callback=")) {
+      //IMPORTANT : the url should ended with ?callback= or &callback= for JSONP calls
+      url += "callback=";
+    }
+    makeJSONRequest(requestId++, URL.encode(url), handler);
+  }
+
+  public static native void makeJSONRequest(int requestId, String url, JSONHandler handler) /*-{
+      var callback = "callback" + requestId;
+
+      // create SCRIPT tag, and set SRC attribute equal to JSON feed URL + callback function name
+      var script = document.createElement("script");
+      script.setAttribute("src", url+callback);
+      script.setAttribute("type", "text/javascript");
+
+      window[callback] = function(jsonObj) {
+        @org.sonar.api.web.gwt.client.webservices.JsonUtils::dispatchJSON(Lcom/google/gwt/core/client/JavaScriptObject;Lorg/sonar/api/web/gwt/client/webservices/JsonUtils$JSONHandler;)(jsonObj, handler);
+        window[callback + "done"] = true;
+      }
+
+      setTimeout(function() {
+        if (!window[callback + "done"]) {
+          handler.@org.sonar.api.web.gwt.client.webservices.JsonUtils.JSONHandler::onTimeout();
+        }
+
+        // cleanup
+        document.body.removeChild(script);
+        if (window[callback]) {
+          delete window[callback];
+        }
+        if (window[callback + "done"]) {
+          delete window[callback + "done"];
+        }
+      }, 120000);
+
+      document.body.appendChild(script);
+    }-*/;
+
+  public static void dispatchJSON(JavaScriptObject jsonObj, JSONHandler handler) {
+    JSONObject obj = new JSONObject(jsonObj);
+    if (obj.isObject() != null) {
+      if (obj.containsKey("err_code")) {
+        handler.onError(new Double(obj.get("err_code").isNumber().doubleValue()).intValue(),
+            obj.get("err_msg").isString().stringValue());
+        return;
+      }
+    }
+    handler.onResponse(jsonObj);
+  }
+
+  public static String getString(JSONObject json, String field) {
+    JSONValue jsonValue;
+    JSONString jsonString;
+    if ((jsonValue = json.get(field)) == null) {
+      return null;
+    }
+    if ((jsonString = jsonValue.isString()) == null) {
+      JSONNumber jsonNumber = jsonValue.isNumber();
+      return jsonNumber != null ? jsonNumber.toString() : null;
+    }
+    return jsonString.stringValue();
+  }
+  
+  public static Date getDate(JSONObject json, String field) {
+    DateTimeFormat frmt = DateTimeFormat.getFormat("yyyy-MM-dd'T'HH:mm:ssZ");
+    String date = getString(json, field);
+    if (date!=null && date.endsWith("Z") && date.length()>2) {
+      // see SONAR-1182
+      date = date.substring(0, date.length()-2) + "+00:00";
+    }
+    return frmt.parse(date);
+  }
+  
+  public static Boolean getBoolean(JSONObject json, String field) {
+    JSONValue jsonValue;
+    JSONBoolean jsonBoolean;
+    if ((jsonValue = json.get(field)) == null) {
+      return null;
+    }
+    if ((jsonBoolean = jsonValue.isBoolean()) == null) {
+      return null;
+    }
+    return jsonBoolean.booleanValue();
+  }
+
+  public static Double getDouble(JSONObject json, String field) {
+    JSONValue jsonValue;
+    JSONNumber jsonNumber;
+    if ((jsonValue = json.get(field)) == null) {
+      return null;
+    }
+    if ((jsonNumber = jsonValue.isNumber()) == null) {
+      return null;
+    }
+    return jsonNumber.doubleValue();
+  }
+
+  public static Integer getInteger(JSONObject json, String field) {
+    final Double d = getDouble(json, field);
+    if (d != null) {
+      return d.intValue();
+    }
+    return null;
+  }
+
+  public static JSONObject getArray(JSONValue json, int i) {
+    if (json instanceof JSONArray) {
+      return ((JSONArray) json).get(i).isObject();
+    }
+    if (json instanceof JSONObject) {
+      return ((JSONObject) json).get(Integer.toString(i)).isObject();
+    }
+    throw new JavaScriptException("Not implemented");
+  }
+
+  public static int getArraySize(JSONValue array) {
+    if (array instanceof JSONArray) {
+      return ((JSONArray) array).size();
+    }
+    if (array instanceof JSONObject) {
+      return ((JSONObject) array).size();
+    }
+    throw new JavaScriptException("Not implemented");
+  }
+
+}
diff --git a/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/webservices/Measure.java b/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/webservices/Measure.java
new file mode 100644
index 00000000000..a9cc3c5aee5
--- /dev/null
+++ b/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/webservices/Measure.java
@@ -0,0 +1,152 @@
+/*
+ * Sonar, open source software quality management tool.
+ * Copyright (C) 2009 SonarSource SA
+ * mailto:contact AT sonarsource DOT com
+ *
+ * Sonar is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * Sonar is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Sonar; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
+ */
+package org.sonar.api.web.gwt.client.webservices;
+
+import java.util.Date;
+import java.util.Map;
+import java.util.TreeMap;
+
+public class Measure {
+  private String metric;
+  private String metricName;
+  private Double value;
+  private String formattedValue;
+  private String data;
+
+  private String ruleKey;
+  private String ruleName;
+  private String ruleCategory;
+  private String rulePriority;
+  
+  private Date date;
+
+  public Measure() {
+  }
+
+  public Measure(String metric, Double value, String formattedValue) {
+    this.metric = metric;
+    this.value = value;
+    this.formattedValue = formattedValue;
+  }
+
+  public String getMetric() {
+    return metric;
+  }
+
+  public void setMetric(String metric) {
+    this.metric = metric;
+  }
+
+  public Double getValue() {
+    return value;
+  }
+
+  public void setValue(Double value) {
+    this.value = value;
+  }
+
+  public String getFormattedValue() {
+    return formattedValue;
+  }
+
+  public void setFormattedValue(String formattedValue) {
+    this.formattedValue = formattedValue;
+  }
+
+  public String getData() {
+    return data;
+  }
+
+  public Map<String, String> getDataAsMap() {
+    Map<String, String> map = new TreeMap<String, String>();
+    if (data != null) {
+      String[] strings = data.split(";");
+      for (String string : strings) {
+        String[] keyValue = string.split("=");
+        map.put(keyValue[0], keyValue[1]);
+      }
+    }
+    return map;
+
+  }
+
+  public void setData(String data) {
+    this.data = data;
+  }
+
+  public String getMetricName() {
+    return metricName;
+  }
+
+  public void setMetricName(String metricName) {
+    this.metricName = metricName;
+  }
+
+  public String getRuleKey() {
+    return ruleKey;
+  }
+
+  public void setRuleKey(String s) {
+    this.ruleKey = s;
+  }
+
+  public String getRuleName() {
+    return ruleName;
+  }
+
+  public void setRuleName(String ruleName) {
+    this.ruleName = ruleName;
+  }
+
+  public String getRuleCategory() {
+    return ruleCategory;
+  }
+
+  public void setRuleCategory(String s) {
+    this.ruleCategory = s;
+  }
+
+  public String getRulePriority() {
+    return rulePriority;
+  }
+
+  public void setRulePriority(String rulePriority) {
+    this.rulePriority = rulePriority;
+  }
+  
+  public Date getDate() {
+    return date;
+  }
+
+  public void setDate(Date date) {
+    this.date = date;
+  }
+
+  @Override
+  public String toString() {
+    return "Measure{" +
+        "metric='" + metric + '\'' +
+        ", metric_name='" + metricName + '\'' +
+        ", val='" + value + '\'' +
+        ", f_val='" + formattedValue + '\'' +
+        '}';
+  }
+
+}
diff --git a/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/webservices/MetricsQuery.java b/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/webservices/MetricsQuery.java
new file mode 100644
index 00000000000..b63268842a8
--- /dev/null
+++ b/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/webservices/MetricsQuery.java
@@ -0,0 +1,104 @@
+/*
+ * Sonar, open source software quality management tool.
+ * Copyright (C) 2009 SonarSource SA
+ * mailto:contact AT sonarsource DOT com
+ *
+ * Sonar is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * Sonar is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Sonar; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
+ */
+package org.sonar.api.web.gwt.client.webservices;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.sonar.api.web.gwt.client.Utils;
+import org.sonar.api.web.gwt.client.webservices.WSMetrics.MetricsList;
+
+import com.google.gwt.core.client.JavaScriptObject;
+import com.google.gwt.json.client.JSONArray;
+import com.google.gwt.json.client.JSONObject;
+
+public final class MetricsQuery extends Query<MetricsList> {
+  
+  private Boolean userManaged;
+  private List<WSMetrics.Metric.ValueType> excludedTypes = new ArrayList<WSMetrics.Metric.ValueType>();
+
+  public static MetricsQuery get() {
+    return new MetricsQuery();
+  }
+
+  private MetricsQuery() {
+    super();
+  }
+  
+  public Boolean isUserManaged() {
+    return userManaged;
+  }
+
+  public MetricsQuery setUserManaged(Boolean userManaged) {
+    this.userManaged = userManaged;
+    return this;
+  }
+  
+  public MetricsQuery excludeTypes(WSMetrics.Metric.ValueType... types) {
+    for (WSMetrics.Metric.ValueType valueType : types) {
+      excludedTypes.add(valueType);
+    }
+    return this;
+  }
+
+  @Override
+  public String toString() {
+    return Utils.getServerApiUrl() + "/metrics?";
+  }
+
+  @Override
+  public void execute(QueryCallBack<MetricsList> callback) {
+    JsonUtils.requestJson(this.toString(), new JSONHandlerDispatcher<MetricsList>(callback) {
+      @Override
+      public MetricsList parseResponse(JavaScriptObject obj) {
+        return parseMetrics(obj);
+      }
+    });
+  }
+
+  private MetricsList parseMetrics(JavaScriptObject json) {
+    JSONArray array = new JSONArray(json);
+    MetricsList list = new MetricsList();
+    for (int i = 0; i < array.size(); i++) {
+      JSONObject jsStock = array.get(i).isObject();
+      if (jsStock != null) {
+        WSMetrics.Metric m = parseMetric(jsStock);
+        boolean skip = (isUserManaged() != null && (!isUserManaged() && m.isUserManaged())) || excludedTypes.contains(m.getType());
+        if (!skip) {
+          list.getMetrics().add(m);
+        }
+      }
+    }
+    return list;
+  }
+
+  private WSMetrics.Metric parseMetric(JSONObject json) {
+    String key = JsonUtils.getString(json, "key");
+    String name = JsonUtils.getString(json, "name");
+    String description = JsonUtils.getString(json, "description");
+    String domain = JsonUtils.getString(json, "domain");
+    String type = JsonUtils.getString(json, "val_type");
+    boolean qualitative = JsonUtils.getBoolean(json, "qualitative");
+    boolean userManaged = JsonUtils.getBoolean(json, "user_managed");
+    Integer direction = JsonUtils.getInteger(json, "direction");
+    return new WSMetrics.Metric(key, name, description, domain, qualitative, userManaged, direction, WSMetrics.Metric.ValueType.valueOf(type));
+  }
+
+}
diff --git a/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/webservices/Properties.java b/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/webservices/Properties.java
new file mode 100644
index 00000000000..a31ea97ff62
--- /dev/null
+++ b/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/webservices/Properties.java
@@ -0,0 +1,44 @@
+/*
+ * Sonar, open source software quality management tool.
+ * Copyright (C) 2009 SonarSource SA
+ * mailto:contact AT sonarsource DOT com
+ *
+ * Sonar is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * Sonar is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Sonar; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
+ */
+package org.sonar.api.web.gwt.client.webservices;
+
+import java.util.List;
+
+public class Properties extends ResponsePOJO {
+
+  private List<Property> properties;
+
+  public Properties(List<Property> properties) {
+    this.properties = properties;
+  }
+
+  public List<Property> getProperties() {
+    return properties;
+  }
+  
+  public String get(String key, String defaultValue) {
+    for (Property property : properties) {
+      if( property.getKey().equals(key)) {
+        return property.getValue();
+      }
+    }
+    return defaultValue;
+  }
+}
diff --git a/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/webservices/PropertiesQuery.java b/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/webservices/PropertiesQuery.java
new file mode 100644
index 00000000000..0b8b5df53dc
--- /dev/null
+++ b/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/webservices/PropertiesQuery.java
@@ -0,0 +1,75 @@
+/*
+ * Sonar, open source software quality management tool.
+ * Copyright (C) 2009 SonarSource SA
+ * mailto:contact AT sonarsource DOT com
+ *
+ * Sonar is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * Sonar is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Sonar; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
+ */
+package org.sonar.api.web.gwt.client.webservices;
+
+import com.google.gwt.core.client.JavaScriptObject;
+import com.google.gwt.json.client.JSONArray;
+import com.google.gwt.json.client.JSONObject;
+import org.sonar.api.web.gwt.client.Utils;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public final class PropertiesQuery extends Query<Properties> {
+
+  private String key;
+
+  public PropertiesQuery() {
+  }
+
+  public PropertiesQuery(String key) {
+    this.key = key;
+  }
+
+  @Override
+  public String toString() {
+    String url = Utils.getServerApiUrl() + "/properties";
+    if (key != null) {
+      url += "/" + key;
+    }
+    return url + "?";
+  }
+
+  @Override
+  public void execute(QueryCallBack<Properties> callback) {
+    JsonUtils.requestJson(this.toString(), new JSONHandlerDispatcher<Properties>(callback) {
+      @Override
+      public Properties parseResponse(JavaScriptObject obj) {
+        return new Properties(parseProperties(obj));
+      }
+
+      private List<Property> parseProperties(JavaScriptObject obj) {
+        JSONArray array = new JSONArray(obj);
+        List<Property> properties = new ArrayList<Property>();
+        for (int i = 0; i < array.size(); i++) {
+          JSONObject jsonObject = array.get(i).isObject();
+          if (jsonObject != null) {
+            properties.add(parseProperty(jsonObject));
+          }
+        }
+        return properties;
+      }
+
+      private Property parseProperty(JSONObject json) {
+        return new Property(JsonUtils.getString(json, "key"), JsonUtils.getString(json, "value"));
+      }
+    });
+  }
+}
diff --git a/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/webservices/Property.java b/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/webservices/Property.java
new file mode 100644
index 00000000000..21167df4688
--- /dev/null
+++ b/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/webservices/Property.java
@@ -0,0 +1,52 @@
+/*
+ * Sonar, open source software quality management tool.
+ * Copyright (C) 2009 SonarSource SA
+ * mailto:contact AT sonarsource DOT com
+ *
+ * Sonar is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * Sonar is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Sonar; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
+ */
+package org.sonar.api.web.gwt.client.webservices;
+
+public class Property extends ResponsePOJO {
+
+  private String key;
+  private String value;
+
+  public Property() {
+  }
+
+  public Property(String key, String value) {
+    this.key = key;
+    this.value = value;
+  }
+
+  public String getKey() {
+    return key;
+  }
+
+  public Property setKey(String key) {
+    this.key = key;
+    return this;
+  }
+
+  public String getValue() {
+    return value;
+  }
+
+  public Property setValue(String value) {
+    this.value = value;
+    return this;
+  }
+}
diff --git a/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/webservices/Query.java b/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/webservices/Query.java
new file mode 100644
index 00000000000..ea573ab0bb3
--- /dev/null
+++ b/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/webservices/Query.java
@@ -0,0 +1,25 @@
+/*
+ * Sonar, open source software quality management tool.
+ * Copyright (C) 2009 SonarSource SA
+ * mailto:contact AT sonarsource DOT com
+ *
+ * Sonar is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * Sonar is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Sonar; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
+ */
+package org.sonar.api.web.gwt.client.webservices;
+
+public abstract class Query<R extends ResponsePOJO> {
+
+  public abstract void execute(final QueryCallBack<R> callback);
+}
diff --git a/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/webservices/QueryCallBack.java b/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/webservices/QueryCallBack.java
new file mode 100644
index 00000000000..431e07ebb9b
--- /dev/null
+++ b/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/webservices/QueryCallBack.java
@@ -0,0 +1,32 @@
+/*
+ * Sonar, open source software quality management tool.
+ * Copyright (C) 2009 SonarSource SA
+ * mailto:contact AT sonarsource DOT com
+ *
+ * Sonar is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * Sonar is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Sonar; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
+ */
+package org.sonar.api.web.gwt.client.webservices;
+
+import com.google.gwt.core.client.JavaScriptObject;
+
+public interface QueryCallBack<RESPONSE_POJO extends ResponsePOJO> {
+
+  void onResponse(RESPONSE_POJO response, JavaScriptObject jsonRawResponse);
+
+  void onTimeout();
+
+  void onError(int errorCode, String errorMessage);
+
+}
diff --git a/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/webservices/Resource.java b/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/webservices/Resource.java
new file mode 100644
index 00000000000..6389fc6aa9c
--- /dev/null
+++ b/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/webservices/Resource.java
@@ -0,0 +1,187 @@
+/*
+ * Sonar, open source software quality management tool.
+ * Copyright (C) 2009 SonarSource SA
+ * mailto:contact AT sonarsource DOT com
+ *
+ * Sonar is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * Sonar is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Sonar; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
+ */
+package org.sonar.api.web.gwt.client.webservices;
+
+import java.util.List;
+
+public class Resource extends ResponsePOJO {
+  public static final String SCOPE_SET = "PRJ";
+  public static final String SCOPE_SPACE = "DIR";
+  public static final String SCOPE_ENTITY = "FIL";
+
+  @Deprecated
+  public static final String SCOPE_PROJECT = SCOPE_SET;
+  @Deprecated
+  public static final String SCOPE_DIRECTORY = SCOPE_SPACE;
+  @Deprecated
+  public static final String SCOPE_FILE = SCOPE_ENTITY;
+
+  public static final String QUALIFIER_PROJECT = "TRK";
+  public static final String QUALIFIER_MODULE = "BRC";
+  @Deprecated
+  public static final String QUALIFIER_PROJECT_TRUNK = QUALIFIER_PROJECT;
+  @Deprecated
+  public static final String QUALIFIER_PROJECT_BRANCH = QUALIFIER_MODULE;
+  public static final String QUALIFIER_PACKAGE = "PAC";
+  public static final String QUALIFIER_DIRECTORY = "DIR";
+  public static final String QUALIFIER_FILE = "FIL";
+  public static final String QUALIFIER_CLASS = "CLA";
+  public static final String QUALIFIER_UNIT_TEST = "UTS";
+
+  private Integer id;
+  private String key;
+  private String name;
+  private String longName;
+  private String qualifier;
+  private String scope;
+  private String language;
+  private Integer copy;
+  private List<Measure> measures;
+
+  public Resource() {
+  }
+
+  public Resource(Integer id, String key, String name, String scope, String qualifier, String language, Integer copy, List<Measure> measures) {
+    this.id = id;
+    this.key = key;
+    this.name = name;
+    this.qualifier = qualifier;
+    this.scope = scope;
+    this.language = language;
+    this.measures = measures;
+    this.copy = copy;
+  }
+
+  public Integer getId() {
+    return id;
+  }
+
+  public String getKey() {
+    return key;
+  }
+
+  public void setKey(String key) {
+    this.key = key;
+  }
+
+  public String getName() {
+    return name;
+  }
+
+  public String getName(boolean longFormatIfDefined) {
+    if (longFormatIfDefined && longName != null && !"".equals(longName)) {
+      return longName;
+    }
+    return name;
+  }
+
+  public void setName(String name) {
+    this.name = name;
+  }
+
+  public String getLongName() {
+    return longName;
+  }
+
+  public void setLongName(String longName) {
+    this.longName = longName;
+  }
+
+  public String getQualifier() {
+    return qualifier;
+  }
+
+  public void setQualifier(String qualifier) {
+    this.qualifier = qualifier;
+  }
+
+  public String getScope() {
+    return scope;
+  }
+
+  public void setScope(String scope) {
+    this.scope = scope;
+  }
+
+  public String getLanguage() {
+    return language;
+  }
+
+  public void setLanguage(String language) {
+    this.language = language;
+  }
+
+  public Integer getCopy() {
+    return copy;
+  }
+
+  public void setCopy(Integer copy) {
+    this.copy = copy;
+  }
+
+  public List<Measure> getMeasures() {
+    return measures;
+  }
+
+  public Measure getMeasure(WSMetrics.Metric metric) {
+    if (measures != null) {
+      for (Measure measure : measures) {
+        if (measure.getMetric().equals(metric.getKey())) {
+          return measure;
+        }
+      }
+    }
+    return null;
+  }
+
+  public boolean hasMeasure(WSMetrics.Metric metric) {
+    return getMeasure(metric) != null;
+  }
+
+  public String getMeasureFormattedValue(WSMetrics.Metric metric, String defaultValue) {
+    Measure measure = getMeasure(metric);
+    if (measure != null) {
+      return measure.getFormattedValue();
+    }
+    return defaultValue;
+  }
+
+  public void setMeasures(List<Measure> measures) {
+    this.measures = measures;
+  }
+
+  public boolean matchesKey(String resourceKey) {
+    return resourceKey != null && (getId().toString().equals(resourceKey) || getKey().equals(resourceKey));
+  }
+
+  @Override
+  public String toString() {
+    return "Resource{" +
+        "id='" + id + '\'' +
+        ", key='" + key + '\'' +
+        ", name='" + name + '\'' +
+        ", longName='" + longName + '\'' +
+        ", scope='" + scope + '\'' +
+        ", qualifier='" + qualifier + '\'' +
+        ", language='" + language + '\'' +
+        ", measures=" + measures +
+        '}';
+  }
+}
diff --git a/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/webservices/Resources.java b/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/webservices/Resources.java
new file mode 100644
index 00000000000..b3a91971a88
--- /dev/null
+++ b/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/webservices/Resources.java
@@ -0,0 +1,63 @@
+/*
+ * Sonar, open source software quality management tool.
+ * Copyright (C) 2009 SonarSource SA
+ * mailto:contact AT sonarsource DOT com
+ *
+ * Sonar is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * Sonar is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Sonar; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
+ */
+package org.sonar.api.web.gwt.client.webservices;
+
+import java.util.List;
+
+public class Resources extends ResponsePOJO {
+
+  private List<Resource> resources;
+
+  public Resources(List<Resource> resources) {
+    super();
+    this.resources = resources;
+  }
+
+  public List<Resource> getResources() {
+    return resources;
+  }
+  
+  public Resource firstResource() {
+    return resources.size() > 0 ? resources.get(0) : null;
+  }
+
+  public boolean onceContainsMeasure(WSMetrics.Metric metric) {
+    for (Resource resource : resources) {
+      if (resource.getMeasure(metric) != null) {
+        return true;
+      }
+    }
+    return false;
+  }
+
+  public boolean allContainsMeasure(WSMetrics.Metric metric) {
+    for (Resource resource : resources) {
+      if (resource.getMeasure(metric) == null) {
+        return false;
+      }
+    }
+    return true;
+  }
+  
+  public boolean isEmpty() {
+    return resources == null || resources.isEmpty();
+  }
+
+}
diff --git a/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/webservices/ResourcesQuery.java b/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/webservices/ResourcesQuery.java
new file mode 100644
index 00000000000..fe6125e486a
--- /dev/null
+++ b/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/webservices/ResourcesQuery.java
@@ -0,0 +1,256 @@
+/*
+ * Sonar, open source software quality management tool.
+ * Copyright (C) 2009 SonarSource SA
+ * mailto:contact AT sonarsource DOT com
+ *
+ * Sonar is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * Sonar is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Sonar; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
+ */
+package org.sonar.api.web.gwt.client.webservices;
+
+import com.google.gwt.core.client.JavaScriptObject;
+import com.google.gwt.json.client.JSONArray;
+import com.google.gwt.json.client.JSONObject;
+import com.google.gwt.json.client.JSONValue;
+import org.sonar.api.web.gwt.client.Utils;
+
+import java.util.ArrayList;
+import java.util.Date;
+import java.util.List;
+
+public final class ResourcesQuery extends AbstractResourceQuery<Resources> {
+
+  public final static int DEPTH_UNLIMITED = -1;
+
+  private Integer depth;
+  private Integer limit;
+  private String scopes;
+  private String qualifiers;
+  private String metrics;
+  private String rules;
+  private String ruleCategories;
+  private String rulePriorities;
+  private boolean verbose = false;
+
+  /**
+   * Alias for build()
+   */
+  public static ResourcesQuery get(String resourceKey) {
+    return new ResourcesQuery(resourceKey);
+  }
+
+  public static ResourcesQuery build(String resourceKey) {
+    return new ResourcesQuery(resourceKey);
+  }
+
+  public static ResourcesQuery build() {
+    return new ResourcesQuery(null);
+  }
+
+  private ResourcesQuery(String resourceKey) {
+    super(resourceKey);
+  }
+
+  public ResourcesQuery setDepth(Integer depth) {
+    this.depth = depth;
+    return this;
+  }
+
+  public ResourcesQuery setRules(String s) {
+    this.rules = s;
+    return this;
+  }
+
+  public ResourcesQuery filterOnRules(boolean b) {
+    return setRules(b ? "true" : "false");
+  }
+
+  public ResourcesQuery filterOnRulePriorities(boolean b) {
+    return setRulePriorities(b ? "true" : "false");
+  }
+
+  public ResourcesQuery filterOnRuleCategories(boolean b) {
+    return setRuleCategories(b ? "true" : "false");
+  }
+
+  public ResourcesQuery setRulePriorities(String s) {
+    this.rulePriorities = s;
+    return this;
+  }
+
+  public ResourcesQuery setRuleCategories(String s) {
+    this.ruleCategories = s;
+    return this;
+  }
+
+  public ResourcesQuery setLimit(Integer limit) {
+    this.limit = limit;
+    return this;
+  }
+
+  public ResourcesQuery setScopes(String scopes) {
+    this.scopes = scopes;
+    return this;
+  }
+
+  public ResourcesQuery setVerbose(boolean verbose) {
+    this.verbose = verbose;
+    return this;
+  }
+
+  public ResourcesQuery setQualifiers(String qualifiers) {
+    this.qualifiers = qualifiers;
+    return this;
+  }
+
+  public ResourcesQuery setMetrics(List<WSMetrics.Metric> metrics) {
+    this.metrics = getMetricsWSRequest(metrics);
+    return this;
+  }
+
+  public ResourcesQuery setMetric(WSMetrics.Metric m) {
+    this.metrics = m.getKey();
+    return this;
+  }
+
+  public ResourcesQuery setMetric(String metricKey) {
+    this.metrics = metricKey;
+    return this;
+  }
+
+  private String getMetricsWSRequest(List<WSMetrics.Metric> metrics) {
+    StringBuilder metricsDelimByComma = new StringBuilder(64);
+    for (WSMetrics.Metric metric : metrics) {
+      metricsDelimByComma.append(metric.getKey()).append(",");
+    }
+    return metricsDelimByComma.substring(0, metricsDelimByComma.length() - 1);
+  }
+
+  @Override
+  public String toString() {
+    String url = Utils.getServerApiUrl() + "/resources?";
+    if (getResourceKey() != null) {
+      url += "resource=" + getResourceKey() + "&";
+    }
+    if (metrics != null) {
+      url += "metrics=" + metrics + "&";
+    }
+    if (scopes != null) {
+      url += "scopes=" + scopes + "&";
+    }
+    if (qualifiers != null) {
+      url += "qualifiers=" + qualifiers + "&";
+    }
+    if (depth != null) {
+      url += "depth=" + depth + "&";
+    }
+    if (limit != null) {
+      url += "limit=" + limit + "&";
+    }
+    if (rules != null) {
+      url += "rules=" + rules + "&";
+    }
+    if (ruleCategories != null) {
+      url += "rule_categories=" + ruleCategories + "&";
+    }
+    if (rulePriorities != null) {
+      url += "rule_priorities=" + rulePriorities + "&";
+    }
+    if (verbose) {
+      url += "verbose=true&";
+    }
+    return url;
+  }
+
+  @Override
+  public void execute(QueryCallBack<Resources> callback) {
+    JsonUtils.requestJson(this.toString(), new JSONHandlerDispatcher<Resources>(callback) {
+      @Override
+      public Resources parseResponse(JavaScriptObject obj) {
+        return new Resources(parseResources(obj));
+      }
+    });
+  }
+
+  public static List<Resource> parseResources(JavaScriptObject json) {
+    JSONArray array = new JSONArray(json);
+    List<Resource> resources = new ArrayList<Resource>();
+    for (int i = 0; i < array.size(); i++) {
+      JSONObject jsStock = array.get(i).isObject();
+      if (jsStock != null) {
+        resources.add(parseResource(jsStock));
+      }
+    }
+    return resources;
+  }
+
+  private static Resource parseResource(JSONObject json) {
+    Double id = JsonUtils.getDouble(json, "id");
+    String key = JsonUtils.getString(json, "key");
+    String name = JsonUtils.getString(json, "name");
+    String longName = JsonUtils.getString(json, "lname");
+    String qualifier = JsonUtils.getString(json, "qualifier");
+    String language = JsonUtils.getString(json, "lang");
+    String scope = JsonUtils.getString(json, "scope");
+    Integer copy = JsonUtils.getInteger(json, "copy");
+    Date date = JsonUtils.getDate(json, "date");
+
+    List<Measure> measures = null;
+    JSONValue measuresJson;
+    if ((measuresJson = json.get("msr")) != null) {
+      measures = parseMeasures(measuresJson, date);
+    }
+
+    final Resource resource = new Resource(id.intValue(), key, name, scope, qualifier, language, copy, measures);
+    resource.setLongName(longName);
+    return resource;
+  }
+
+  private static List<Measure> parseMeasures(JSONValue measures, Date date) {
+    List<Measure> projectMeasures = new ArrayList<Measure>();
+    int len = JsonUtils.getArraySize(measures);
+    for (int i = 0; i < len; i++) {
+      JSONObject measure = JsonUtils.getArray(measures, i);
+      if (measure != null) {
+        Measure measureEntry = parseMeasure(measure, date);
+        if (measureEntry != null) {
+          projectMeasures.add(measureEntry);
+        }
+      }
+    }
+    return projectMeasures;
+  }
+
+  private static Measure parseMeasure(JSONObject measure, Date date) {
+    String metric = JsonUtils.getString(measure, "key");
+    if (metric == null) {
+      return null;
+    }
+
+    final Measure m = new Measure(metric, JsonUtils.getDouble(measure, "val"), JsonUtils.getString(measure, "frmt_val"));
+    m.setData(JsonUtils.getString(measure, "data"));
+    String metricName = JsonUtils.getString(measure, "name");
+    if (metricName != null) {
+      m.setMetricName(metricName);
+    }
+
+    m.setRuleKey(JsonUtils.getString(measure, "rule_key"));
+    m.setRuleName(JsonUtils.getString(measure, "rule_name"));
+    m.setRuleCategory(JsonUtils.getString(measure, "rule_category"));
+    m.setRulePriority(JsonUtils.getString(measure, "rule_priority"));
+    m.setDate(date);
+    return m;
+  }
+
+}
diff --git a/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/webservices/ResponsePOJO.java b/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/webservices/ResponsePOJO.java
new file mode 100644
index 00000000000..7accea548bf
--- /dev/null
+++ b/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/webservices/ResponsePOJO.java
@@ -0,0 +1,27 @@
+/*
+ * Sonar, open source software quality management tool.
+ * Copyright (C) 2009 SonarSource SA
+ * mailto:contact AT sonarsource DOT com
+ *
+ * Sonar is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * Sonar is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Sonar; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
+ */
+package org.sonar.api.web.gwt.client.webservices;
+
+/**
+ * Marker class for WS query response objects
+ */
+public abstract class ResponsePOJO {
+
+}
diff --git a/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/webservices/Rule.java b/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/webservices/Rule.java
new file mode 100644
index 00000000000..c150e48c63b
--- /dev/null
+++ b/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/webservices/Rule.java
@@ -0,0 +1,57 @@
+/*
+ * Sonar, open source software quality management tool.
+ * Copyright (C) 2009 SonarSource SA
+ * mailto:contact AT sonarsource DOT com
+ *
+ * Sonar is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * Sonar is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Sonar; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
+ */
+package org.sonar.api.web.gwt.client.webservices;
+
+public class Rule extends ResponsePOJO {
+  private String key;
+  private String name;
+  private String category;
+
+  public Rule(String key, String name, String category) {
+    this.key = key;
+    this.name = name;
+    this.category = category;
+  }
+
+
+  public String getKey() {
+    return key;
+  }
+
+  public void setKey(String key) {
+    this.key = key;
+  }
+
+  public String getName() {
+    return name;
+  }
+
+  public void setName(String name) {
+    this.name = name;
+  }
+
+  public String getCategory() {
+    return category;
+  }
+
+  public void setCategory(String category) {
+    this.category = category;
+  }
+}
diff --git a/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/webservices/SequentialQueries.java b/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/webservices/SequentialQueries.java
new file mode 100644
index 00000000000..dd827891912
--- /dev/null
+++ b/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/webservices/SequentialQueries.java
@@ -0,0 +1,112 @@
+/*
+ * Sonar, open source software quality management tool.
+ * Copyright (C) 2009 SonarSource SA
+ * mailto:contact AT sonarsource DOT com
+ *
+ * Sonar is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * Sonar is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Sonar; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
+ */
+package org.sonar.api.web.gwt.client.webservices;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import com.google.gwt.core.client.JavaScriptObject;
+import com.google.gwt.user.client.Timer;
+
+public class SequentialQueries extends Query<VoidResponse> {
+  
+  private List<AjaxQuery<?>> queries = new ArrayList<AjaxQuery<?>>();
+  private int sleepTimeBetweenCbChecks;
+
+  private SequentialQueries(int sleepTimeBetweenCbChecks) {
+    this.sleepTimeBetweenCbChecks = sleepTimeBetweenCbChecks;
+  }
+
+  public static SequentialQueries get() {
+    return new SequentialQueries(50);
+  }
+
+  public static SequentialQueries get(int sleepTimeBetweenCbChecks) {
+    return new SequentialQueries(sleepTimeBetweenCbChecks);
+  }
+  
+  public <R extends ResponsePOJO> SequentialQueries add(Query<R> query, QueryCallBack<R> callback) {
+    queries.add(new AjaxQuery<R>(query, callback));
+    return this;
+  }
+
+  @Override
+  public void execute(final QueryCallBack<VoidResponse> callback) {
+    for (AjaxQuery<?> query : queries) {
+      query.execute();
+    }
+    Timer queriesMonitor = new Timer() {
+      @Override
+      public void run() {
+        boolean queriesExecuted = true;
+        for (AjaxQuery<?> query : queries) {
+          if (!query.isCompleted()) {
+            queriesExecuted = false;
+            break;
+          }
+        }
+        if (queriesExecuted) {
+          callback.onResponse(new VoidResponse(), null);
+          cancel();
+        }
+      }
+    };
+    queriesMonitor.scheduleRepeating(sleepTimeBetweenCbChecks);
+  }
+  
+  private class AjaxQuery<R extends ResponsePOJO> {
+    private Query<R> query;
+    private QueryCallBack<R> callback;
+    
+    private boolean completed = false;
+
+    public AjaxQuery(Query<R> query, QueryCallBack<R> callback) {
+      super();
+      this.query = query;
+      this.callback = callback;
+    }
+
+    private void execute() {
+      QueryCallBack<R> proxy = new QueryCallBack<R>() {
+        public void onError(int errorCode, String errorMessage) {
+          callback.onError(errorCode, errorMessage);
+          completed = true;
+        }
+
+        public void onResponse(R response, JavaScriptObject jsonRawResponse) {
+          callback.onResponse(response, jsonRawResponse);
+          completed = true;
+        }
+
+        public void onTimeout() {
+          callback.onTimeout();
+          completed = true;
+        }
+      };
+      query.execute(proxy);
+    }
+
+    public boolean isCompleted() {
+      return completed;
+    }
+    
+  }
+
+}
diff --git a/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/webservices/SourcesQuery.java b/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/webservices/SourcesQuery.java
new file mode 100644
index 00000000000..1d1b0498df2
--- /dev/null
+++ b/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/webservices/SourcesQuery.java
@@ -0,0 +1,101 @@
+/*
+ * Sonar, open source software quality management tool.
+ * Copyright (C) 2009 SonarSource SA
+ * mailto:contact AT sonarsource DOT com
+ *
+ * Sonar is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * Sonar is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Sonar; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
+ */
+package org.sonar.api.web.gwt.client.webservices;
+
+import com.google.gwt.core.client.JavaScriptObject;
+import com.google.gwt.json.client.JSONArray;
+import com.google.gwt.json.client.JSONObject;
+import com.google.gwt.json.client.JSONValue;
+import org.sonar.api.web.gwt.client.Utils;
+
+import java.util.Map;
+import java.util.TreeMap;
+
+public final class SourcesQuery extends AbstractResourceQuery<FileSource> {
+
+  private Integer from;
+  private Integer length;
+  private boolean color;
+
+  public static SourcesQuery get(String resourceKey) {
+    return new SourcesQuery(resourceKey);
+  }
+
+  private SourcesQuery(String resourceKey) {
+    super(resourceKey);
+  }
+
+  public SourcesQuery setFrom(Integer from) {
+    this.from = from;
+    return this;
+  }
+
+  public SourcesQuery setLength(Integer length) {
+    this.length = length;
+    return this;
+  }
+
+  public SourcesQuery setColor(boolean color) {
+    this.color = color;
+    return this;
+  }
+
+  @Override
+  public String toString() {
+    String url = Utils.getServerApiUrl() + "/sources?resource=" + getResourceKey() + "&";
+    if (length > 0) {
+      url += "from=" + from + "&to=" + (from + length) + "&";
+    }
+    if (color) {
+      url += "color=true&";
+    }
+    return url;
+  }
+
+  @Override
+  public void execute(QueryCallBack<FileSource> callback) {
+    JsonUtils.requestJson(this.toString(), new JSONHandlerDispatcher<FileSource>(callback) {
+      @Override
+      public FileSource parseResponse(JavaScriptObject obj) {
+        return parseLines(obj);
+      }
+    });
+  }
+
+  private FileSource parseLines(JavaScriptObject obj) {
+    Map<Integer, String> sourceLines = new TreeMap<Integer, String>();
+    FileSource src = new FileSource(sourceLines);
+    JSONArray jsonArray = new JSONArray(obj);
+    if (jsonArray.size() == 0) return src;
+    JSONObject sources = jsonArray.get(0).isObject();
+    if (sources.size() == 0) return src;
+    int maxSize = new Double(Math.pow(2, 16)).intValue();
+    int currentLine = from == 0 ? 1 : from;
+    while (currentLine < maxSize) {
+      JSONValue line = sources.get(Integer.toString(currentLine));
+      if (line == null) {
+        break;
+      }
+      sourceLines.put(currentLine++, line.isString().stringValue());
+    }
+    return src;
+  }
+
+}
diff --git a/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/webservices/Violation.java b/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/webservices/Violation.java
new file mode 100644
index 00000000000..6c9eae2ea87
--- /dev/null
+++ b/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/webservices/Violation.java
@@ -0,0 +1,80 @@
+/*
+ * Sonar, open source software quality management tool.
+ * Copyright (C) 2009 SonarSource SA
+ * mailto:contact AT sonarsource DOT com
+ *
+ * Sonar is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * Sonar is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Sonar; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
+ */
+package org.sonar.api.web.gwt.client.webservices;
+
+public class Violation {
+
+  private String message;
+  private String priority;
+  private int line;
+  private Rule rule;
+  private Resource resource;
+
+  public Violation(String message, String priority, int line, Rule rule, Resource resource) {
+    this.message = message;
+    this.priority = priority;
+    this.line = line;
+    this.rule = rule;
+    this.resource = resource;
+  }
+
+  public Violation() {
+  }
+
+  public String getMessage() {
+    return message;
+  }
+
+  public void setMessage(String message) {
+    this.message = message;
+  }
+
+  public String getPriority() {
+    return priority;
+  }
+
+  public void setPriority(String priority) {
+    this.priority = priority;
+  }
+
+  public int getLine() {
+    return line;
+  }
+
+  public void setLine(int line) {
+    this.line = line;
+  }
+
+  public Rule getRule() {
+    return rule;
+  }
+
+  public void setRule(Rule rule) {
+    this.rule = rule;
+  }
+
+  public Resource getResource() {
+    return resource;
+  }
+
+  public void setResource(Resource resource) {
+    this.resource = resource;
+  }
+}
diff --git a/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/webservices/Violations.java b/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/webservices/Violations.java
new file mode 100644
index 00000000000..d525c5bf634
--- /dev/null
+++ b/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/webservices/Violations.java
@@ -0,0 +1,87 @@
+/*
+ * Sonar, open source software quality management tool.
+ * Copyright (C) 2009 SonarSource SA
+ * mailto:contact AT sonarsource DOT com
+ *
+ * Sonar is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * Sonar is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Sonar; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
+ */
+package org.sonar.api.web.gwt.client.webservices;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+public class Violations extends ResponsePOJO {
+  private List<Violation> violations;
+  private Map<Integer, List<Violation>> byLines;
+
+  public Violations(List<Violation> violations) {
+    this.violations = violations;
+  }
+
+  public Violations() {
+    this.violations = new ArrayList<Violation>();
+  }
+
+  public void add(Violation v) {
+    violations.add(v);
+    byLines = null;
+  }
+
+  public List<Violation> getAll() {
+    return violations;
+  }
+
+
+  public Map<Integer, List<Violation>> getByLines() {
+    if (byLines == null) {
+      byLines = new HashMap<Integer, List<Violation>>();
+      for (Violation violation : violations) {
+        List<Violation> lineViolations = byLines.get(violation.getLine());
+        if (lineViolations == null) {
+          lineViolations = new ArrayList<Violation>();
+          byLines.put(violation.getLine(), lineViolations);
+        }
+        lineViolations.add(violation);
+      }
+    }
+    return byLines;
+  }
+
+  public String getLevelForLine(Integer line) {
+    List<Violation> lineViolations = getByLines().get(line);
+    String level = "";
+    if (lineViolations != null) {
+      for (Violation lineViolation : lineViolations) {
+        if ("BLOCKER".equals(lineViolation.getPriority()) || "CRITICAL".equals(lineViolation.getPriority()) || "MAJOR".equals(lineViolation.getPriority())) {
+          level = "error";
+
+        } else if (!"error".equals(level)) {
+          level = "warning";
+        }
+      }
+    }
+    return level;
+  }
+
+  public int countForLine(Integer line) {
+    List<Violation> lineViolations = getByLines().get(line);
+    if (lineViolations == null) {
+      return 0;
+    }
+    return lineViolations.size();
+  }
+}
diff --git a/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/webservices/ViolationsQuery.java b/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/webservices/ViolationsQuery.java
new file mode 100644
index 00000000000..46442b6c995
--- /dev/null
+++ b/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/webservices/ViolationsQuery.java
@@ -0,0 +1,162 @@
+/*
+ * Sonar, open source software quality management tool.
+ * Copyright (C) 2009 SonarSource SA
+ * mailto:contact AT sonarsource DOT com
+ *
+ * Sonar is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * Sonar is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Sonar; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
+ */
+package org.sonar.api.web.gwt.client.webservices;
+
+import com.google.gwt.core.client.JavaScriptObject;
+import com.google.gwt.json.client.JSONArray;
+import com.google.gwt.json.client.JSONObject;
+import com.google.gwt.json.client.JSONString;
+import com.google.gwt.json.client.JSONValue;
+import org.sonar.api.web.gwt.client.Utils;
+
+public final class ViolationsQuery extends AbstractResourceQuery<Violations> {
+
+  private String scopes;
+  private String qualifiers;
+  private String rules;
+  private String categories;
+  private String priorities;
+  private Integer depth;
+
+  private ViolationsQuery(String resourceKey) {
+    super(resourceKey);
+  }
+
+  public static ViolationsQuery create(String resourceKey) {
+    return new ViolationsQuery(resourceKey);
+  }
+
+  public String getScopes() {
+    return scopes;
+  }
+
+  public ViolationsQuery setScopes(String scopes) {
+    this.scopes = scopes;
+    return this;
+  }
+
+  public String getQualifiers() {
+    return qualifiers;
+  }
+
+  public ViolationsQuery setQualifiers(String qualifiers) {
+    this.qualifiers = qualifiers;
+    return this;
+  }
+
+  public String getRules() {
+    return rules;
+  }
+
+  public ViolationsQuery setRules(String rules) {
+    this.rules = rules;
+    return this;
+  }
+
+  public String getCategories() {
+    return categories;
+  }
+
+  public ViolationsQuery setCategories(String s) {
+    this.categories = s;
+    return this;
+  }
+
+  public Integer getDepth() {
+    return depth;
+  }
+
+  public ViolationsQuery setDepth(Integer depth) {
+    this.depth = depth;
+    return this;
+  }
+
+  public String getPriorities() {
+    return priorities;
+  }
+
+  public ViolationsQuery setPriorities(String priorities) {
+    this.priorities = priorities;
+    return this;
+  }
+
+  @Override
+  public String toString() {
+    String url = Utils.getServerApiUrl() + "/violations?resource=" + getResourceKey() + "&";
+    if (depth != null) {
+      url += "depth=" + depth + "&";
+    }
+    if (scopes != null) {
+      url += "scopes=" + scopes + "&";
+    }
+    if (qualifiers != null) {
+      url += "qualifiers=" + qualifiers + "&";
+    }
+    if (rules != null) {
+      url += "rules=" + rules + "&";
+    }
+    if (categories != null) {
+      url += "categories=" + categories + "&";
+    }
+    if (priorities != null) {
+      url += "priorities=" + priorities + "&";
+    }
+    return url;
+  }
+
+  @Override
+  public void execute(final QueryCallBack<Violations> callback) {
+    JsonUtils.requestJson(this.toString(), new JSONHandlerDispatcher<Violations>(callback) {
+      @Override
+      public Violations parseResponse(JavaScriptObject obj) {
+        return parseJSON(obj);
+      }
+    });
+  }
+
+  private Violations parseJSON(JavaScriptObject obj) {
+    Violations result = new Violations();
+    JSONArray jsonArray = new JSONArray(obj);
+    for (int i = 0; i < jsonArray.size(); i++) {
+      JSONObject jsViolation = jsonArray.get(i).isObject();
+      if (jsViolation == null) {
+        continue;
+      }
+      JSONString message = jsViolation.get("message").isString();
+      JSONString priority = jsViolation.get("priority").isString();
+      JSONValue lineJson = jsViolation.get("line");
+      int lineIndex = 0;
+      if (lineJson != null) {
+        lineIndex = (int) lineJson.isNumber().doubleValue();
+      }
+
+      JSONObject ruleObj = jsViolation.get("rule").isObject();
+      Rule rule = new Rule(
+          JsonUtils.getString(ruleObj, "key"),
+          JsonUtils.getString(ruleObj, "name"),
+          JsonUtils.getString(ruleObj, "category")
+      );
+
+      result.add(new Violation(message.stringValue(), priority.stringValue(), lineIndex, rule, null));
+    }
+    return result;
+  }
+
+}
diff --git a/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/webservices/VoidResponse.java b/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/webservices/VoidResponse.java
new file mode 100644
index 00000000000..9b8879f5c04
--- /dev/null
+++ b/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/webservices/VoidResponse.java
@@ -0,0 +1,24 @@
+/*
+ * Sonar, open source software quality management tool.
+ * Copyright (C) 2009 SonarSource SA
+ * mailto:contact AT sonarsource DOT com
+ *
+ * Sonar is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * Sonar is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Sonar; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
+ */
+package org.sonar.api.web.gwt.client.webservices;
+
+public class VoidResponse extends ResponsePOJO {
+
+}
diff --git a/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/webservices/WSMetrics.java b/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/webservices/WSMetrics.java
new file mode 100644
index 00000000000..b12e253fd2f
--- /dev/null
+++ b/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/webservices/WSMetrics.java
@@ -0,0 +1,243 @@
+/*
+ * Sonar, open source software quality management tool.
+ * Copyright (C) 2009 SonarSource SA
+ * mailto:contact AT sonarsource DOT com
+ *
+ * Sonar is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * Sonar is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Sonar; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
+ */
+package org.sonar.api.web.gwt.client.webservices;
+
+import com.google.gwt.core.client.JavaScriptObject;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public final class WSMetrics {
+
+  private WSMetrics() {
+  }
+
+  private final static List<Metric> DICTIONNARY = new ArrayList<Metric>();
+
+  public static final Metric NCLOC = add(new Metric("ncloc"));
+  public static final Metric LINES = add(new Metric("lines"));
+  public static final Metric CLASSES = add(new Metric("classes"));
+  public static final Metric PACKAGES = add(new Metric("packages"));
+  public static final Metric FUNCTIONS = add(new Metric("functions"));
+  public static final Metric ACCESSORS = add(new Metric("accessors"));
+  public static final Metric FILES = add(new Metric("files"));
+  public static final Metric DIRECTORIES = add(new Metric("directories"));
+  public static final Metric PUBLIC_API = add(new Metric("public_api"));
+
+  /* complexity */
+  public static final Metric COMPLEXITY = add(new Metric("complexity"));
+  public static final Metric CLASS_COMPLEXITY = add(new Metric("class_complexity"));
+  public static final Metric FUNCTION_COMPLEXITY = add(new Metric("function_complexity"));
+  public static final Metric FILE_COMPLEXITY = add(new Metric("file_complexity"));
+  public static final Metric STATEMENTS = add(new Metric("statements"));
+
+  public static final Metric CLASS_COMPLEXITY_DISTRIBUTION = add(new Metric("class_complexity_distribution"));
+  public static final Metric FUNCTION_COMPLEXITY_DISTRIBUTION = add(new Metric("function_complexity_distribution"));
+
+  /* comments */
+  public static final Metric COMMENT_LINES = add(new Metric("comment_lines"));
+  public static final Metric COMMENT_LINES_DENSITY = add(new Metric("comment_lines_density"));
+  public static final Metric PUBLIC_DOCUMENTED_API_DENSITY = add(new Metric("public_documented_api_density"));
+  public static final Metric PUBLIC_UNDOCUMENTED_API = add(new Metric("public_undocumented_api"));
+  public static final Metric COMMENTED_OUT_CODE_LINES = add(new Metric("commented_out_code_lines"));
+
+  /* unit tests */
+  public static final Metric TESTS = add(new Metric("tests"));
+  public static final Metric TESTS_EXECUTION_TIME = add(new Metric("test_execution_time"));
+  public static final Metric TEST_ERRORS = add(new Metric("test_errors"));
+  public static final Metric SKIPPED_TESTS = add(new Metric("skipped_tests"));
+  public static final Metric TEST_FAILURES = add(new Metric("test_failures"));
+  public static final Metric TEST_SUCCESS_DENSITY = add(new Metric("test_success_density"));
+  public static final Metric TEST_DATA = add(new Metric("test_data"));
+
+  /* coverage */
+  public static final Metric COVERAGE = add(new Metric("coverage"));
+  public static final Metric LINE_COVERAGE = add(new Metric("line_coverage"));
+  public static final Metric UNCOVERED_LINES = add(new Metric("uncovered_lines"));
+  public static final Metric BRANCH_COVERAGE = add(new Metric("branch_coverage"));
+  public static final Metric UNCOVERED_CONDITIONS = add(new Metric("uncovered_conditions"));
+  public static final Metric COVERAGE_LINE_HITS_DATA = add(new Metric("coverage_line_hits_data"));
+  public static final Metric BRANCH_COVERAGE_HITS_DATA = add(new Metric("branch_coverage_hits_data"));
+
+  /* duplicated lines */
+  public static final Metric DUPLICATED_LINES = add(new Metric("duplicated_lines"));
+  public static final Metric DUPLICATED_BLOCKS = add(new Metric("duplicated_blocks"));
+  public static final Metric DUPLICATED_FILES = add(new Metric("duplicated_files"));
+  public static final Metric DUPLICATED_LINES_DENSITY = add(new Metric("duplicated_lines_density"));
+  public static final Metric DUPLICATIONS_DATA = add(new Metric("duplications_data"));
+
+  /* coding rules */
+  public static final Metric VIOLATIONS_DENSITY = add(new Metric("violations_density"));
+  public static final Metric VIOLATIONS = add(new Metric("violations"));
+  public static final Metric WEIGHTED_VIOLATIONS = add(new Metric("weighted_violations"));
+
+  /* design */
+  public static final Metric LCOM4 = add(new Metric("lcom4"));
+  public static final Metric RFC = add(new Metric("rfc"));
+
+  public static class MetricsList extends ResponsePOJO {
+
+    private List<Metric> metrics = new ArrayList<Metric>();
+
+    public List<Metric> getMetrics() {
+      return metrics;
+    }
+  }
+
+  /**
+   * Generates a callback that will update the metrics definitions from the WSMetrics metrics constants list with data
+   * received from a MetricsQuery call
+   *
+   * @param callback
+   * @return
+   */
+  public static QueryCallBack<MetricsList> getUpdateMetricsFromServer(final QueryCallBack<MetricsList> callback) {
+    return new QueryCallBack<MetricsList>() {
+      public void onResponse(MetricsList response, JavaScriptObject jsonRawResponse) {
+        for (Metric metric : response.getMetrics()) {
+          Metric WSMetricConstant = get(metric.getKey());
+          if (WSMetricConstant != null) {
+            WSMetricConstant.updateFrom(metric);
+          } else {
+            add(metric);
+          }
+        }
+        callback.onResponse(response, jsonRawResponse);
+      }
+
+      public void onError(int errorCode, String errorMessage) {
+        callback.onError(errorCode, errorMessage);
+      }
+
+      public void onTimeout() {
+        callback.onTimeout();
+      }
+    };
+  }
+
+  public static class Metric {
+    public enum ValueType {
+      INT, FLOAT, PERCENT, BOOL, STRING, MILLISEC, DATA, LEVEL, DISTRIB
+    }
+
+    private String key;
+    private String name;
+    private String description;
+    private String domain;
+    private boolean qualitative;
+    private boolean userManaged;
+    private int direction;
+    private ValueType type;
+
+    public Metric(String key) {
+      super();
+      this.key = key;
+    }
+
+    public Metric(String key, String name, String description, String domain,
+                  boolean qualitative, boolean userManaged, int direction, ValueType type) {
+      super();
+      this.key = key;
+      this.name = name;
+      this.description = description;
+      this.domain = domain;
+      this.qualitative = qualitative;
+      this.userManaged = userManaged;
+      this.direction = direction;
+      this.type = type;
+    }
+
+    public void updateFrom(Metric metric) {
+      this.name = metric.getName();
+      this.description = metric.getDescription();
+      this.domain = metric.getDomain();
+      this.qualitative = metric.isQualitative();
+      this.userManaged = metric.isUserManaged();
+      this.direction = metric.getDirection();
+      this.type = metric.getType();
+    }
+
+    public String getName() {
+      return name;
+    }
+
+    public ValueType getType() {
+      return type;
+    }
+
+    public String getDescription() {
+      return description;
+    }
+
+    public String getDomain() {
+      return domain;
+    }
+
+    public boolean isQualitative() {
+      return qualitative;
+    }
+
+    public boolean isUserManaged() {
+      return userManaged;
+    }
+
+    public int getDirection() {
+      return direction;
+    }
+
+    public String getKey() {
+      return key;
+    }
+
+    @Override
+    public int hashCode() {
+      return key.hashCode();
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+      if (!(obj instanceof Metric)) {
+        return false;
+      }
+      if (this == obj) {
+        return true;
+      }
+      Metric other = (Metric) obj;
+      return key.equals(other.getKey());
+    }
+  }
+
+  public static Metric add(Metric metric) {
+    if (!DICTIONNARY.contains(metric)) {
+      DICTIONNARY.add(metric);
+    }
+    return metric;
+  }
+
+  public static Metric get(String metricKey) {
+    for (Metric metric : DICTIONNARY) {
+      if (metric.getKey().equals(metricKey)) {
+        return metric;
+      }
+    }
+    return new Metric(metricKey);
+  }
+
+}
diff --git a/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/widgets/LoadingLabel.java b/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/widgets/LoadingLabel.java
new file mode 100644
index 00000000000..72d45bea4df
--- /dev/null
+++ b/sonar-plugin-api/src/main/java/org/sonar/api/web/gwt/client/widgets/LoadingLabel.java
@@ -0,0 +1,34 @@
+/*
+ * Sonar, open source software quality management tool.
+ * Copyright (C) 2009 SonarSource SA
+ * mailto:contact AT sonarsource DOT com
+ *
+ * Sonar is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * Sonar is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Sonar; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
+ */
+package org.sonar.api.web.gwt.client.widgets;
+
+import com.google.gwt.user.client.ui.Composite;
+import com.google.gwt.user.client.ui.HTML;
+
+public class LoadingLabel extends Composite {
+  public LoadingLabel() {
+    this("loading...");
+    getElement().setId("loading");
+  }
+
+  public LoadingLabel(String text) {
+    initWidget(new HTML("<div class='loading'>" + text + "</div>"));
+  }
+}