SONAR-11621 Implement IgnoreCommand in Xoo plugin

plugins/sonar-xoo-plugin/src/main/java/org/sonar/xoo/XooPlugin.java

@@ -74,6 +74,7 @@ import org.sonar.xoo.rule.XooFakeImporterWithMessages;
 import org.sonar.xoo.rule.XooRulesDefinition;
 import org.sonar.xoo.rule.XooSonarWayProfile;
 import org.sonar.xoo.scm.XooBlameCommand;
+import org.sonar.xoo.scm.XooIgnoreCommand;
 import org.sonar.xoo.scm.XooScmProvider;
 import org.sonar.xoo.test.CoveragePerTestSensor;
 import org.sonar.xoo.test.TestExecutionSensor;
@@ -174,7 +175,9 @@ public class XooPlugin implements Plugin {
       context.addExtension(DeprecatedGlobalSensor.class);
     }
     if (context.getSonarQubeVersion().isGreaterThanOrEqual(Version.create(7, 6))) {
-      context.addExtension(GlobalProjectSensor.class);
+      context.addExtensions(
+        GlobalProjectSensor.class,
+        XooIgnoreCommand.class);
     }
     if (context.getSonarQubeVersion().isGreaterThanOrEqual(Version.create(7, 2))) {
       context.addExtensions(

plugins/sonar-xoo-plugin/src/main/java/org/sonar/xoo/scm/XooIgnoreCommand.java

@@ -0,0 +1,59 @@
+/*
+ * SonarQube
+ * Copyright (C) 2009-2019 SonarSource SA
+ * mailto:info AT sonarsource DOT com
+ *
+ * This program 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.
+ *
+ * This program 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 this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+package org.sonar.xoo.scm;
+
+import java.io.File;
+import java.nio.file.Path;
+import org.apache.commons.io.FilenameUtils;
+import org.sonar.api.batch.scm.IgnoreCommand;
+import org.sonar.api.utils.log.Logger;
+import org.sonar.api.utils.log.Loggers;
+
+/**
+ * To ignore a file simply add an empty file with the same name as the file to ignore with a .ignore suffix.
+ * E.g. to ignore src/foo.xoo create the file src/foo.xoo.ignore
+ */
+public class XooIgnoreCommand implements IgnoreCommand {
+
+  static final String IGNORE_FILE_EXTENSION = ".ignore";
+  private static final Logger LOG = Loggers.get(XooIgnoreCommand.class);
+  private boolean isInit;
+
+  @Override
+  public boolean isIgnored(Path path) {
+    if (!isInit) {
+      throw new IllegalStateException("Called init() first");
+    }
+    String fullPath = FilenameUtils.getFullPath(path.toAbsolutePath().toString());
+    File scmIgnoreFile = new File(fullPath, path.getFileName() + IGNORE_FILE_EXTENSION);
+    return scmIgnoreFile.exists();
+  }
+
+  @Override
+  public void init(Path baseDir) {
+    isInit = true;
+    LOG.debug("Init IgnoreCommand on dir '{}'");
+  }
+
+  @Override
+  public void clean() {
+    LOG.debug("Clean IgnoreCommand");
+  }
+}

plugins/sonar-xoo-plugin/src/main/java/org/sonar/xoo/scm/XooScmProvider.java

@@ -20,6 +20,7 @@
 package org.sonar.xoo.scm;
 
 import org.sonar.api.batch.scm.BlameCommand;
+import org.sonar.api.batch.scm.IgnoreCommand;
 import org.sonar.api.batch.scm.ScmProvider;
 
 import java.io.File;
@@ -27,9 +28,11 @@ import java.io.File;
 public class XooScmProvider extends ScmProvider {
 
   private final XooBlameCommand blame;
+  private XooIgnoreCommand ignore;
 
-  public XooScmProvider(XooBlameCommand blame) {
+  public XooScmProvider(XooBlameCommand blame, XooIgnoreCommand ignore) {
     this.blame = blame;
+    this.ignore = ignore;
   }
 
   @Override
@@ -47,4 +50,8 @@ public class XooScmProvider extends ScmProvider {
     return blame;
   }
 
+  @Override
+  public IgnoreCommand ignoreCommand() {
+    return ignore;
+  }
 }

plugins/sonar-xoo-plugin/src/test/java/org/sonar/xoo/XooPluginTest.java

@@ -27,8 +27,11 @@ import org.sonar.api.SonarRuntime;
 import org.sonar.api.internal.PluginContextImpl;
 import org.sonar.api.internal.SonarRuntimeImpl;
 import org.sonar.api.utils.Version;
+import org.sonar.xoo.global.GlobalProjectSensor;
 import org.sonar.xoo.rule.OneExternalIssuePerLineSensor;
 import org.sonar.xoo.rule.XooBuiltInQualityProfilesDefinition;
+import org.sonar.xoo.scm.XooBlameCommand;
+import org.sonar.xoo.scm.XooIgnoreCommand;
 
 import static org.assertj.core.api.Assertions.assertThat;
 
@@ -74,6 +77,17 @@ public class XooPluginTest {
       .contains(OneExternalIssuePerLineSensor.class);
   }
 
+  @Test
+  public void provide_extensions_for_7_6() {
+    SonarRuntime runtime = SonarRuntimeImpl.forSonarQube(Version.parse("7.6"), SonarQubeSide.SCANNER);
+    Plugin.Context context = new PluginContextImpl.Builder().setSonarRuntime(runtime).build();
+    new XooPlugin().define(context);
+    assertThat(getExtensions(context))
+      .hasSize(58)
+      .contains(GlobalProjectSensor.class)
+      .contains(XooIgnoreCommand.class);
+  }
+
   @SuppressWarnings("unchecked")
   private static List<Object> getExtensions(Plugin.Context context) {
     return (List<Object>) context.getExtensions();

plugins/sonar-xoo-plugin/src/test/java/org/sonar/xoo/scm/XooIgnoreCommandTest.java

@@ -0,0 +1,70 @@
+/*
+ * SonarQube
+ * Copyright (C) 2009-2019 SonarSource SA
+ * mailto:info AT sonarsource DOT com
+ *
+ * This program 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.
+ *
+ * This program 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 this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+package org.sonar.xoo.scm;
+
+import java.io.File;
+import java.io.IOException;
+import org.junit.Before;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.rules.ExpectedException;
+import org.junit.rules.TemporaryFolder;
+
+import static org.assertj.core.api.Assertions.*;
+import static org.sonar.xoo.scm.XooIgnoreCommand.IGNORE_FILE_EXTENSION;
+
+public class XooIgnoreCommandTest {
+
+  @Rule
+  public TemporaryFolder temp = new TemporaryFolder();
+
+  @Rule
+  public ExpectedException thrown = ExpectedException.none();
+
+  private File baseDir;
+
+  @Before
+  public void prepare() throws IOException {
+    baseDir = temp.newFolder();
+  }
+
+  @Test
+  public void testBlame() throws IOException {
+    File source = newFile("foo.xoo", false);
+    File source1 = newFile("foo2.xoo", true);
+
+    XooIgnoreCommand ignoreCommand = new XooIgnoreCommand();
+    ignoreCommand.init(baseDir.toPath());
+
+    assertThat(ignoreCommand.isIgnored(source.toPath())).isFalse();
+    assertThat(ignoreCommand.isIgnored(source1.toPath())).isTrue();
+  }
+
+  private File newFile(String name, boolean isIgnored) throws IOException {
+    File source = new File(baseDir, name);
+    source.createNewFile();
+    if (isIgnored) {
+      File ignoredMetaFile = new File(baseDir, name + IGNORE_FILE_EXTENSION);
+      ignoredMetaFile.createNewFile();
+    }
+
+    return source;
+  }
+}