| /******************************************************************************* |
| * Copyright (c) 2009 Oracle. 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: |
| * Oracle - initial API and implementation |
| ******************************************************************************/ |
| package org.eclipse.jpt.core.internal.resource.java.binary; |
| |
| import java.util.Iterator; |
| import java.util.ListIterator; |
| import java.util.Vector; |
| |
| import org.eclipse.core.resources.IFile; |
| import org.eclipse.jdt.core.IJavaElement; |
| import org.eclipse.jdt.core.IPackageFragment; |
| import org.eclipse.jdt.core.IPackageFragmentRoot; |
| import org.eclipse.jdt.core.JavaModelException; |
| import org.eclipse.jpt.core.JpaAnnotationProvider; |
| import org.eclipse.jpt.core.JpaResourceModelListener; |
| import org.eclipse.jpt.core.JptCorePlugin; |
| import org.eclipse.jpt.core.resource.java.JavaResourcePackageFragment; |
| import org.eclipse.jpt.core.resource.java.JavaResourcePackageFragmentRoot; |
| import org.eclipse.jpt.core.resource.java.JavaResourcePersistentType; |
| import org.eclipse.jpt.utility.internal.ListenerList; |
| import org.eclipse.jpt.utility.internal.iterators.CloneListIterator; |
| import org.eclipse.jpt.utility.internal.iterators.CompositeIterator; |
| import org.eclipse.jpt.utility.internal.iterators.TransformationIterator; |
| |
| /** |
| * binary package fragment root |
| */ |
| public final class BinaryPackageFragmentRoot |
| extends BinaryNode |
| implements JavaResourcePackageFragmentRoot |
| { |
| /** JDT package fragment root */ |
| private final IPackageFragmentRoot packageFragmentRoot; |
| |
| /** pluggable annotation provider */ |
| private final JpaAnnotationProvider annotationProvider; |
| |
| /** listeners notified whenever the resource model changes */ |
| private final ListenerList<JpaResourceModelListener> resourceModelListenerList; |
| |
| /** package fragments in the JAR */ |
| private final Vector<JavaResourcePackageFragment> packageFragments; |
| |
| |
| // ********** construction/initialization ********** |
| |
| public BinaryPackageFragmentRoot(IPackageFragmentRoot packageFragmentRoot, JpaAnnotationProvider annotationProvider) { |
| super(null); // the package fragment root is the root of its sub-tree |
| this.packageFragmentRoot = packageFragmentRoot; |
| this.annotationProvider = annotationProvider; |
| this.resourceModelListenerList = new ListenerList<JpaResourceModelListener>(JpaResourceModelListener.class); |
| this.packageFragments = this.buildPackageFragments(); |
| } |
| |
| private Vector<JavaResourcePackageFragment> buildPackageFragments() { |
| Vector<JavaResourcePackageFragment> result = new Vector<JavaResourcePackageFragment>(); |
| for (IJavaElement pf : this.getJDTChildren()) { |
| result.add(new BinaryPackageFragment(this, (IPackageFragment) pf)); |
| } |
| return result; |
| } |
| |
| |
| // ********** overrides ********** |
| |
| @Override |
| protected boolean requiresParent() { |
| return false; |
| } |
| |
| @Override |
| public JavaResourcePackageFragmentRoot getRoot() { |
| return this; |
| } |
| |
| @Override |
| public IFile getFile() { |
| return (IFile) this.packageFragmentRoot.getResource(); |
| } |
| |
| @Override |
| public JpaAnnotationProvider getAnnotationProvider() { |
| return this.annotationProvider; |
| } |
| |
| @Override |
| public void update() { |
| super.update(); |
| this.updatePackageFragments(); |
| } |
| |
| // TODO |
| private void updatePackageFragments() { |
| throw new UnsupportedOperationException(); |
| } |
| |
| |
| // ********** JavaResourceNode.Root implementation ********** |
| |
| public Iterator<JavaResourcePersistentType> persistableTypes() { |
| return new CompositeIterator<JavaResourcePersistentType>(this.persistableTypeIterators()); |
| } |
| |
| private Iterator<Iterator<JavaResourcePersistentType>> persistableTypeIterators() { |
| return new TransformationIterator<JavaResourcePackageFragment, Iterator<JavaResourcePersistentType>>(this.packageFragments()) { |
| @Override |
| protected Iterator<JavaResourcePersistentType> transform(JavaResourcePackageFragment pf) { |
| return pf.persistableTypes(); |
| } |
| }; |
| } |
| |
| public void resourceModelChanged() { |
| for (JpaResourceModelListener listener : this.resourceModelListenerList.getListeners()) { |
| listener.resourceModelChanged(); |
| } |
| } |
| |
| |
| // ********** JpaResourceModel implementation ********** |
| |
| public void addResourceModelListener(JpaResourceModelListener listener) { |
| this.resourceModelListenerList.add(listener); |
| } |
| |
| public void removeResourceModelListener(JpaResourceModelListener listener) { |
| this.resourceModelListenerList.remove(listener); |
| } |
| |
| |
| // ********** JavaResourcePackageFragmentRoot implementation ********** |
| |
| public ListIterator<JavaResourcePackageFragment> packageFragments() { |
| return new CloneListIterator<JavaResourcePackageFragment>(this.packageFragments); |
| } |
| |
| public int packageFragmentsSize() { |
| return this.packageFragments.size(); |
| } |
| |
| |
| // ********** misc ********** |
| |
| private IJavaElement[] getJDTChildren() { |
| try { |
| return this.packageFragmentRoot.getChildren(); |
| } catch (JavaModelException ex) { |
| JptCorePlugin.log(ex); |
| return EMPTY_JAVA_ELEMENT_ARRAY; |
| } |
| } |
| protected static final IJavaElement[] EMPTY_JAVA_ELEMENT_ARRAY = new IJavaElement[0]; |
| |
| @Override |
| public void toString(StringBuilder sb) { |
| sb.append(this.getFile().getName()); |
| } |
| |
| } |