SONAR-75 support GWT components integrated to core

2 files changed, 89 insertions, 2 deletions

diff --git a/sonar-core/src/main/java/org/sonar/core/i18n/GwtI18n.java b/sonar-core/src/main/java/org/sonar/core/i18n/GwtI18n.java
new file mode 100644
index 00000000000..d3de526be98
--- /dev/null
+++ b/sonar-core/src/main/java/org/sonar/core/i18n/GwtI18n.java
@@ -0,0 +1,82 @@
+/*
+ * Sonar, open source software quality management tool.
+ * Copyright (C) 2008-2011 SonarSource
+ * 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.core.i18n;
+
+import com.google.common.collect.Lists;
+import org.apache.commons.lang.StringEscapeUtils;
+import org.sonar.api.ServerComponent;
+
+import java.util.*;
+
+public class GwtI18n implements ServerComponent {
+  public static final String GWT_BUNDLE = I18nManager.BUNDLE_PACKAGE + "gwt";
+
+  private I18nManager manager;
+  private String[] propertyKeys;
+
+  public GwtI18n(I18nManager manager) {
+    this.manager = manager;
+  }
+
+  public void start() {
+    doStart(getBundle(Locale.ENGLISH));
+  }
+
+  void doStart(ResourceBundle englishBundle) {
+    List<String> keys = Lists.newArrayList();
+    Enumeration<String> enumeration = englishBundle.getKeys();
+    while (enumeration.hasMoreElements()) {
+      String propertyKey = enumeration.nextElement();
+      keys.add(propertyKey);
+    }
+    propertyKeys = keys.toArray(new String[keys.size()]);
+  }
+
+  String[] getPropertyKeys() {
+    return propertyKeys;
+  }
+
+  public String getJsDictionnary(Locale locale) {
+    ResourceBundle bundle = getBundle(locale);
+    return getJsDictionnary(bundle);
+  }
+
+  String getJsDictionnary(ResourceBundle bundle) {
+    StringBuilder js = new StringBuilder("var l10n = {");
+    for (int index = 0; index < propertyKeys.length; index++) {
+      String key = propertyKeys[index];
+      String value = StringEscapeUtils.escapeJavaScript(bundle.getString(key));
+      if (index > 0) {
+        js.append(",");
+      }
+      js.append("\"").append(key).append("\": \"").append(value).append("\"");
+    }
+    js.append("};");
+    return js.toString();
+  }
+
+  ResourceBundle getBundle(Locale locale) {
+    try {
+      return ResourceBundle.getBundle(GWT_BUNDLE, locale, manager.getLanguagePackClassLoader());
+    } catch (MissingResourceException e) {
+      throw new IllegalStateException("The English bundle for GWT extensions is not deployed", e);
+    }
+  }
+}
diff --git a/sonar-core/src/main/java/org/sonar/core/i18n/I18nManager.java b/sonar-core/src/main/java/org/sonar/core/i18n/I18nManager.java
index 65304cd44c0..9004a699a9f 100644
--- a/sonar-core/src/main/java/org/sonar/core/i18n/I18nManager.java
+++ b/sonar-core/src/main/java/org/sonar/core/i18n/I18nManager.java
@@ -44,6 +44,7 @@ public class I18nManager implements I18n, ServerExtension {
   private PluginRepository pluginRepository;
   private Map<String, ClassLoader> bundleToClassloaders;
   private Map<String, String> propertyToBundles;
+  private ClassLoader languagePackClassLoader;
 
   public I18nManager(PluginRepository pluginRepository) {
     this.pluginRepository = pluginRepository;
@@ -60,7 +61,7 @@ public class I18nManager implements I18n, ServerExtension {
 
   private void initClassloaders() {
     if (bundleToClassloaders == null) {
-      ClassLoader coreClassLoader = pluginRepository.getPlugin(ENGLISH_PACK_PLUGIN_KEY).getClass().getClassLoader();
+      languagePackClassLoader = pluginRepository.getPlugin(ENGLISH_PACK_PLUGIN_KEY).getClass().getClassLoader();
       bundleToClassloaders = Maps.newHashMap();
       for (PluginMetadata metadata : pluginRepository.getMetadata()) {
         if (!metadata.isCore() && !ENGLISH_PACK_PLUGIN_KEY.equals(metadata.getBasePlugin())) {
@@ -72,7 +73,7 @@ public class I18nManager implements I18n, ServerExtension {
         } else if (metadata.isCore()) {
           // bundles of core plugins are defined into language packs. All language packs are supposed
           // to share the same classloader (english pack classloader)
-          bundleToClassloaders.put(BUNDLE_PACKAGE + metadata.getKey(), coreClassLoader);
+          bundleToClassloaders.put(BUNDLE_PACKAGE + metadata.getKey(), languagePackClassLoader);
         }
       }
     }
@@ -178,4 +179,8 @@ public class I18nManager implements I18n, ServerExtension {
     }
     return BUNDLE_PACKAGE + "core";
   }
+
+  ClassLoader getLanguagePackClassLoader() {
+    return languagePackClassLoader;
+  }
 }