| /******************************************************************************* |
| * 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.runtime.IProgressMonitor; |
| import org.eclipse.jdt.core.IClassFile; |
| import org.eclipse.jdt.core.IJavaElement; |
| import org.eclipse.jdt.core.IPackageFragment; |
| import org.eclipse.jdt.core.IType; |
| import org.eclipse.jdt.core.JavaModelException; |
| import org.eclipse.jpt.core.JptCorePlugin; |
| import org.eclipse.jpt.core.internal.utility.jdt.JPTTools; |
| import org.eclipse.jpt.core.resource.java.JavaResourceClassFile; |
| 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.iterators.CloneListIterator; |
| import org.eclipse.jpt.utility.internal.iterators.TransformationIterator; |
| |
| /** |
| * binary package fragment |
| */ |
| final class BinaryPackageFragment |
| extends BinaryNode |
| implements JavaResourcePackageFragment |
| { |
| /** JDT package fragment */ |
| private final IPackageFragment packageFragment; |
| |
| /** class files in the package fragment */ |
| private final Vector<JavaResourceClassFile> classFiles; |
| |
| |
| // ********** construction/initialization ********** |
| |
| BinaryPackageFragment(JavaResourcePackageFragmentRoot parent, IPackageFragment packageFragment) { |
| super(parent); |
| this.packageFragment = packageFragment; |
| this.classFiles = this.buildClassFiles(); |
| } |
| |
| private Vector<JavaResourceClassFile> buildClassFiles() { |
| Vector<JavaResourceClassFile> result = new Vector<JavaResourceClassFile>(); |
| for (IJavaElement child : this.getJDTChildren()) { |
| IClassFile classFile = (IClassFile) child; |
| IType type = this.findType(classFile); |
| if (this.typeIsPersistable(type)) { // we only hold persistable types |
| result.add(new BinaryClassFile(this, classFile, type)); |
| } |
| } |
| return result; |
| } |
| |
| /** |
| * Return the JDT type corresponding to the specified class file |
| * by searching the Java project's build path; as opposed to taking |
| * the type directly from the class file, since another type with the |
| * same name *may* precede the class file on the build path. |
| */ |
| private IType findType(IClassFile classFile) { |
| IType type = classFile.getType(); |
| try { |
| return type.getJavaProject().findType(type.getFullyQualifiedName(), (IProgressMonitor) null); |
| } catch (JavaModelException ex) { |
| return null; // ignore exception? |
| } |
| } |
| |
| private boolean typeIsPersistable(IType type) { |
| return (type != null) |
| && type.exists() |
| && JPTTools.typeIsPersistable(new JPTToolsAdapter(type)); |
| } |
| |
| |
| // ********** JarResourceNode implementation ********** |
| |
| @Override |
| public void update() { |
| super.update(); |
| this.updateClassFiles(); |
| } |
| |
| // TODO |
| private void updateClassFiles() { |
| throw new UnsupportedOperationException(); |
| } |
| |
| |
| // ********** JavaResourcePackageFragment implementation ********** |
| |
| public ListIterator<JavaResourceClassFile> classFiles() { |
| return new CloneListIterator<JavaResourceClassFile>(this.classFiles); |
| } |
| |
| public int classFilesSize() { |
| return this.classFiles.size(); |
| } |
| |
| public Iterator<JavaResourcePersistentType> persistableTypes() { |
| return new TransformationIterator<JavaResourceClassFile, JavaResourcePersistentType>(this.classFiles()) { |
| @Override |
| protected JavaResourcePersistentType transform(JavaResourceClassFile classFile) { |
| return classFile.getPersistentType(); // we only hold persistable types |
| } |
| }; |
| } |
| |
| |
| // ********** misc ********** |
| |
| private IJavaElement[] getJDTChildren() { |
| try { |
| return this.packageFragment.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.packageFragment.getElementName()); |
| } |
| |
| |
| // ********** JPT tools adapter ********** |
| |
| /** |
| * JPTTools needs an adapter so it can work with either an IType |
| * or an ITypeBinding etc. |
| */ |
| protected class JPTToolsAdapter implements JPTTools.TypeAdapter { |
| private final IType type; |
| |
| protected JPTToolsAdapter(IType type) { |
| super(); |
| if (type == null) { |
| throw new NullPointerException(); |
| } |
| this.type = type; |
| } |
| |
| public int getModifiers() { |
| try { |
| return this.type.getFlags(); |
| } catch (JavaModelException ex) { |
| JptCorePlugin.log(ex); |
| return 0; |
| } |
| } |
| |
| public boolean isAnnotation() { |
| try { |
| return this.type.isAnnotation(); |
| } catch (JavaModelException ex) { |
| JptCorePlugin.log(ex); |
| return false; |
| } |
| } |
| |
| public boolean isAnonymous() { |
| try { |
| return this.type.isAnonymous(); |
| } catch (JavaModelException ex) { |
| JptCorePlugin.log(ex); |
| return false; |
| } |
| } |
| |
| public boolean isArray() { |
| return false; // ??? |
| } |
| |
| public boolean isEnum() { |
| try { |
| return this.type.isEnum(); |
| } catch (JavaModelException ex) { |
| JptCorePlugin.log(ex); |
| return false; |
| } |
| } |
| |
| public boolean isInterface() { |
| try { |
| return this.type.isInterface(); |
| } catch (JavaModelException ex) { |
| JptCorePlugin.log(ex); |
| return false; |
| } |
| } |
| |
| public boolean isLocal() { |
| try { |
| return this.type.isLocal(); |
| } catch (JavaModelException ex) { |
| JptCorePlugin.log(ex); |
| return false; |
| } |
| } |
| |
| public boolean isMember() { |
| try { |
| return this.type.isMember(); |
| } catch (JavaModelException ex) { |
| JptCorePlugin.log(ex); |
| return false; |
| } |
| } |
| |
| public boolean isPrimitive() { |
| return false; // ??? |
| } |
| |
| } |
| |
| } |