1 files changed, 114 insertions, 0 deletions
diff --git a/org.eclipse.m2e.jdt/src/org/eclipse/m2e/jdt/internal/JavaElementsAdapterFactory.java b/org.eclipse.m2e.jdt/src/org/eclipse/m2e/jdt/internal/JavaElementsAdapterFactory.java
new file mode 100644
index 00000000..bed3b4da
--- /dev/null
+++ b/org.eclipse.m2e.jdt/src/org/eclipse/m2e/jdt/internal/JavaElementsAdapterFactory.java
@@ -0,0 +1,114 @@
+/*******************************************************************************
+ * Copyright (c) 2008-2010 Sonatype, Inc.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *      Sonatype, Inc. - initial API and implementation
+ *******************************************************************************/
+
+package org.eclipse.m2e.jdt.internal;
+
+import org.eclipse.core.resources.IProject;
+import org.eclipse.core.resources.IResource;
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.core.runtime.IAdapterFactory;
+import org.eclipse.core.runtime.IPath;
+import org.eclipse.core.runtime.NullProgressMonitor;
+import org.eclipse.jdt.core.IJavaElement;
+import org.eclipse.jdt.core.IJavaProject;
+import org.eclipse.jdt.core.IPackageFragmentRoot;
+import org.eclipse.jdt.internal.ui.packageview.ClassPathContainer;
+import org.eclipse.jdt.internal.ui.packageview.ClassPathContainer.RequiredProjectWrapper;
+
+import org.eclipse.m2e.core.MavenPlugin;
+import org.eclipse.m2e.core.core.MavenLogger;
+import org.eclipse.m2e.core.embedder.ArtifactKey;
+import org.eclipse.m2e.core.project.IMavenProjectFacade;
+import org.eclipse.m2e.core.project.MavenProjectManager;
+import org.eclipse.m2e.jdt.MavenJdtPlugin;
+
+
+/**
+ * Adapter factory for Java elements
+ * 
+ * @author Igor Fedorenko
+ * @author Eugene Kuleshov
+ */
+@SuppressWarnings({"unchecked", "restriction"})
+public class JavaElementsAdapterFactory implements IAdapterFactory {
+
+  private static final Class[] ADAPTER_LIST = new Class[] {ArtifactKey.class, IPath.class, IMavenProjectFacade.class};
+
+  public Class[] getAdapterList() {
+    return ADAPTER_LIST;
+  }
+
+  public Object getAdapter(Object adaptableObject, Class adapterType) {
+    if(adapterType == ArtifactKey.class) {
+      if(adaptableObject instanceof IPackageFragmentRoot) {
+        IPackageFragmentRoot fragment = (IPackageFragmentRoot) adaptableObject;
+        IProject project = fragment.getJavaProject().getProject();
+        if(project.isAccessible() && fragment.isArchive()) {
+          try {
+            return MavenJdtPlugin.getDefault().getBuildpathManager().findArtifact(project, fragment.getPath());
+          } catch(CoreException ex) {
+            MavenLogger.log(ex);
+            MavenPlugin.getDefault().getConsole().logError("Can't find artifact for " + fragment);
+            return null;
+          }
+        }
+        
+      } else if(adaptableObject instanceof RequiredProjectWrapper) {
+        IMavenProjectFacade projectFacade = getProjectFacade(adaptableObject);
+        if(projectFacade!=null) {
+          return projectFacade.getArtifactKey();
+        }
+        
+      } else if(adaptableObject instanceof IJavaProject) {
+        return ((IJavaProject) adaptableObject).getProject().getAdapter(ArtifactKey.class);
+        
+      }
+
+    } else if(adapterType == IPath.class) {
+      if(adaptableObject instanceof IJavaElement) {
+        IResource resource = ((IJavaElement) adaptableObject).getResource();
+        if(resource != null) {
+          return resource.getLocation();
+        }
+      }
+      
+    } else if(adapterType == IMavenProjectFacade.class) {
+      if(adaptableObject instanceof IJavaElement) {
+        IProject project = ((IJavaElement) adaptableObject).getJavaProject().getProject();
+        IMavenProjectFacade projectFacade = getProjectFacade(project);
+        if(projectFacade != null) {
+          return projectFacade;
+        }
+
+      } else if(adaptableObject instanceof RequiredProjectWrapper) {
+        ClassPathContainer container = ((RequiredProjectWrapper) adaptableObject).getParentClassPathContainer();
+        IProject project = container.getJavaProject().getProject();
+        IMavenProjectFacade projectFacade = getProjectFacade(project);
+        if(projectFacade != null) {
+          return projectFacade;
+        }
+      }
+    }
+
+    return null;
+  }
+
+  private IMavenProjectFacade getProjectFacade(Object adaptableObject) {
+    RequiredProjectWrapper wrapper = (RequiredProjectWrapper) adaptableObject;
+    return getProjectFacade(wrapper.getProject().getProject());
+  }
+
+  private IMavenProjectFacade getProjectFacade(IProject project) {
+    MavenProjectManager projectManager = MavenPlugin.getDefault().getMavenProjectManager();
+    return projectManager.create(project, new NullProgressMonitor());
+  }
+  
+}