1 files changed, 112 insertions, 0 deletions
diff --git a/plugins/gradle/src/org/jetbrains/plugins/gradle/execution/GradleOrderEnumeratorHandler.java b/plugins/gradle/src/org/jetbrains/plugins/gradle/execution/GradleOrderEnumeratorHandler.java
new file mode 100644
index 000000000000..113e49a61a25
--- /dev/null
+++ b/plugins/gradle/src/org/jetbrains/plugins/gradle/execution/GradleOrderEnumeratorHandler.java
@@ -0,0 +1,112 @@
+/*
+ * Copyright 2000-2014 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.jetbrains.plugins.gradle.execution;
+
+import com.intellij.openapi.components.ServiceManager;
+import com.intellij.openapi.diagnostic.Logger;
+import com.intellij.openapi.externalSystem.model.ExternalProject;
+import com.intellij.openapi.externalSystem.model.ExternalSourceDirectorySet;
+import com.intellij.openapi.externalSystem.model.ExternalSourceSet;
+import com.intellij.openapi.externalSystem.model.project.ExternalSystemSourceType;
+import com.intellij.openapi.externalSystem.service.project.manage.ProjectDataManager;
+import com.intellij.openapi.externalSystem.util.ExternalSystemApiUtil;
+import com.intellij.openapi.externalSystem.util.ExternalSystemConstants;
+import com.intellij.openapi.module.Module;
+import com.intellij.openapi.project.Project;
+import com.intellij.openapi.roots.ModuleRootModel;
+import com.intellij.openapi.roots.OrderEnumerationHandler;
+import com.intellij.openapi.roots.OrderRootType;
+import com.intellij.openapi.vfs.VfsUtilCore;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+import org.jetbrains.plugins.gradle.service.project.data.ExternalProjectDataService;
+import org.jetbrains.plugins.gradle.util.GradleConstants;
+
+import java.io.File;
+import java.util.Collection;
+
+public class GradleOrderEnumeratorHandler extends OrderEnumerationHandler {
+  private static final Logger LOG = Logger.getInstance(GradleOrderEnumeratorHandler.class);
+
+  public static class FactoryImpl extends Factory {
+    @Override
+    public boolean isApplicable(@NotNull Project project) {
+      return true;
+    }
+
+    @Override
+    public boolean isApplicable(@NotNull Module module) {
+      return ExternalSystemApiUtil.isExternalSystemAwareModule(GradleConstants.SYSTEM_ID, module);
+    }
+
+    @Override
+    public OrderEnumerationHandler createHandler(@Nullable Module module) {
+      return INSTANCE;
+    }
+  }
+
+  private static final GradleOrderEnumeratorHandler INSTANCE = new GradleOrderEnumeratorHandler();
+
+  @Override
+  public boolean addCustomModuleRoots(@NotNull OrderRootType type,
+                                      @NotNull ModuleRootModel rootModel,
+                                      @NotNull Collection<String> result,
+                                      boolean includeProduction,
+                                      boolean includeTests) {
+    if (!type.equals(OrderRootType.CLASSES)) return false;
+    if (!ExternalSystemApiUtil.isExternalSystemAwareModule(GradleConstants.SYSTEM_ID, rootModel.getModule())) return false;
+
+    final String gradleProjectPath = rootModel.getModule().getOptionValue(ExternalSystemConstants.ROOT_PROJECT_PATH_KEY);
+    if (gradleProjectPath == null) {
+      LOG.error("Root project path of the Gradle project not found for " + rootModel.getModule());
+      return false;
+    }
+
+    final ExternalProjectDataService externalProjectDataService =
+      (ExternalProjectDataService)ServiceManager.getService(ProjectDataManager.class).getDataService(ExternalProjectDataService.KEY);
+
+    assert externalProjectDataService != null;
+    final ExternalProject externalRootProject =
+      externalProjectDataService.getRootExternalProject(GradleConstants.SYSTEM_ID, new File(gradleProjectPath));
+    if (externalRootProject == null) {
+      LOG.debug("Root external project was not yep imported for the project path: " + gradleProjectPath);
+      return false;
+    }
+
+    ExternalProject externalProject = externalProjectDataService.findExternalProject(externalRootProject, rootModel.getModule());
+    if (externalProject == null) return false;
+
+    if (includeProduction) {
+      addOutputRoots(externalProject.getSourceSets().get("main"), ExternalSystemSourceType.RESOURCE, result);
+    }
+
+    if (includeTests) {
+      addOutputRoots(externalProject.getSourceSets().get("test"), ExternalSystemSourceType.TEST_RESOURCE, result);
+    }
+
+    return true;
+  }
+
+  private static void addOutputRoots(@Nullable ExternalSourceSet externalSourceSet,
+                                     @NotNull ExternalSystemSourceType sourceType,
+                                     @NotNull Collection<String> result) {
+    if (externalSourceSet == null) return;
+    final ExternalSourceDirectorySet directorySet = externalSourceSet.getSources().get(sourceType);
+    if (directorySet == null) return;
+
+    result.add(VfsUtilCore.pathToUrl(directorySet.getOutputDir().getAbsolutePath()));
+  }
+}