| /******************************************************************************* |
| * 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.Vector; |
| import org.eclipse.jdt.core.IAnnotation; |
| import org.eclipse.jdt.core.IMember; |
| import org.eclipse.jdt.core.JavaModelException; |
| import org.eclipse.jdt.core.Signature; |
| import org.eclipse.jdt.core.dom.CompilationUnit; |
| import org.eclipse.jpt.core.JptCorePlugin; |
| import org.eclipse.jpt.core.resource.java.Annotation; |
| import org.eclipse.jpt.core.resource.java.ContainerAnnotation; |
| import org.eclipse.jpt.core.resource.java.JavaResourceNode; |
| import org.eclipse.jpt.core.resource.java.JavaResourcePersistentMember; |
| import org.eclipse.jpt.core.resource.java.NestableAnnotation; |
| import org.eclipse.jpt.core.utility.TextRange; |
| import org.eclipse.jpt.utility.internal.CollectionTools; |
| import org.eclipse.jpt.utility.internal.iterables.LiveCloneIterable; |
| import org.eclipse.jpt.utility.internal.iterators.EmptyListIterator; |
| import org.eclipse.jpt.utility.internal.iterators.FilteringIterator; |
| import org.eclipse.jpt.utility.internal.iterators.SingleElementIterator; |
| |
| /** |
| * binary persistent member |
| */ |
| abstract class BinaryPersistentMember |
| extends BinaryNode |
| implements JavaResourcePersistentMember |
| { |
| /** JDT member adapter */ |
| final Adapter adapter; |
| |
| /** annotations */ |
| final Vector<Annotation> annotations = new Vector<Annotation>(); |
| |
| boolean persistable; |
| |
| |
| // ********** construction/initialization ********** |
| |
| public BinaryPersistentMember(JavaResourceNode parent, Adapter adapter) { |
| super(parent); |
| this.adapter = adapter; |
| this.initializeAnnotations(); |
| this.persistable = this.buildPersistable(); |
| } |
| |
| private void initializeAnnotations() { |
| for (IAnnotation annotation : this.getJdtAnnotations()) { |
| this.addAnnotation(annotation); |
| } |
| } |
| |
| private void addAnnotation(IAnnotation jdtAnnotation) { |
| if (this.annotationIsValid(jdtAnnotation)) { |
| this.annotations.add(this.buildAnnotation(jdtAnnotation)); |
| } |
| } |
| |
| |
| // ********** updating ********** |
| |
| @Override |
| public void update() { |
| super.update(); |
| this.updateAnnotations(); |
| this.setPersistable(this.buildPersistable()); |
| } |
| |
| // TODO |
| private void updateAnnotations() { |
| throw new UnsupportedOperationException(); |
| } |
| |
| |
| // ********** annotations ********** |
| |
| public Iterator<Annotation> annotations() { |
| return this.getAnnotations().iterator(); |
| } |
| |
| private Iterable<Annotation> getAnnotations() { |
| return new LiveCloneIterable<Annotation>(this.annotations); |
| } |
| |
| public int annotationsSize() { |
| return this.annotations.size(); |
| } |
| |
| public Annotation getAnnotation(String annotationName) { |
| return this.selectAnnotationNamed(this.getAnnotations(), annotationName); |
| } |
| |
| public Annotation getNonNullAnnotation(String annotationName) { |
| Annotation annotation = this.getAnnotation(annotationName); |
| return (annotation != null) ? annotation : this.buildNullAnnotation(annotationName); |
| } |
| |
| public Iterator<NestableAnnotation> annotations( |
| String nestableAnnotationName, String containerAnnotationName) { |
| ContainerAnnotation<NestableAnnotation> containerAnnotation = |
| getContainerAnnotation(containerAnnotationName); |
| if (containerAnnotation != null) { |
| return containerAnnotation.nestedAnnotations(); |
| } |
| NestableAnnotation nestableAnnotation = |
| getNestableAnnotation(nestableAnnotationName); |
| return (nestableAnnotation == null) ? |
| EmptyListIterator.<NestableAnnotation>instance() : |
| new SingleElementIterator<NestableAnnotation>(nestableAnnotation); |
| } |
| |
| private NestableAnnotation getNestableAnnotation(String annotationName) { |
| return (NestableAnnotation) this.getAnnotation(annotationName); |
| } |
| |
| @SuppressWarnings("unchecked") |
| private ContainerAnnotation<NestableAnnotation> getContainerAnnotation(String annotationName) { |
| return (ContainerAnnotation<NestableAnnotation>) this.getAnnotation(annotationName); |
| } |
| |
| private boolean annotationIsValid(IAnnotation jdtAnnotation) { |
| return CollectionTools.contains( |
| this.validAnnotationNames(), jdtAnnotation.getElementName()); |
| } |
| |
| abstract Iterator<String> validAnnotationNames(); |
| |
| abstract Annotation buildAnnotation(IAnnotation jdtAnnotation); |
| |
| abstract Annotation buildNullAnnotation(String annotationName); |
| |
| |
| // ********** simple state ********** |
| |
| public boolean isPersistable() { |
| return this.persistable; |
| } |
| |
| private void setPersistable(boolean persistable) { |
| boolean old = this.persistable; |
| this.persistable = persistable; |
| this.firePropertyChanged(PERSISTABLE_PROPERTY, old, persistable); |
| } |
| |
| private boolean buildPersistable() { |
| return this.adapter.isPersistable(); |
| } |
| |
| public boolean isAnnotated() { |
| return ! this.annotations.isEmpty(); |
| } |
| |
| |
| // ********** miscellaneous ********** |
| |
| IMember getMember() { |
| return this.adapter.getMember(); |
| } |
| |
| private Annotation selectAnnotationNamed(Iterable<Annotation> annotations, String annotationName) { |
| for (Annotation annotation : annotations) { |
| if (annotation.getAnnotationName().equals(annotationName)) { |
| return annotation; |
| } |
| } |
| return null; |
| } |
| |
| /** |
| * convenience method |
| */ |
| <T extends JavaResourcePersistentMember> Iterator<T> persistableMembers(Iterator<T> members) { |
| return new FilteringIterator<T, T>(members) { |
| @Override |
| protected boolean accept(T m) { |
| return m.isPersistable(); |
| } |
| }; |
| } |
| |
| /** |
| * Strip off the type signature's parameters if present. |
| * Convert to a readable string. |
| */ |
| static String convertTypeSignatureToTypeName(String typeSignature) { |
| return (typeSignature == null) ? null : convertTypeSignatureToTypeName_(typeSignature); |
| } |
| |
| /** |
| * no null check |
| */ |
| static String convertTypeSignatureToTypeName_(String typeSignature) { |
| return Signature.toString(Signature.getTypeErasure(typeSignature)); |
| } |
| |
| private IAnnotation[] getJdtAnnotations() { |
| try { |
| return this.adapter.getAnnotations(); |
| } catch (JavaModelException ex) { |
| JptCorePlugin.log(ex); |
| return EMPTY_JDT_ANNOTATION_ARRAY; |
| } |
| } |
| private static final IAnnotation[] EMPTY_JDT_ANNOTATION_ARRAY = new IAnnotation[0]; |
| |
| |
| // ********** IMember adapter ********** |
| |
| interface Adapter { |
| /** |
| * Return the adapter's JDT member (IType, IField, IMethod). |
| */ |
| IMember getMember(); |
| |
| /** |
| * Return whether the adapter's member is "persistable" |
| * (i.e. according to the JPA spec the member can be mapped) |
| */ |
| boolean isPersistable(); |
| |
| /** |
| * Return the adapter's member's JDT annotations. |
| */ |
| IAnnotation[] getAnnotations() throws JavaModelException; |
| } |
| |
| |
| // ********** unsupported JavaResourcePersistentMember implementation ********** |
| |
| public Annotation addAnnotation(String annotationName) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| public Annotation addAnnotation(String annotationName, AnnotationInitializer foo) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| public NestableAnnotation addAnnotation( |
| int index, String nestableAnnotationName, String containerAnnotationName) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| public void moveAnnotation( |
| int targetIndex, int sourceIndex, String containerAnnotationName) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| public void removeAnnotation(String annotationName) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| public void removeAnnotation( |
| int index, String nestableAnnotationName, String containerAnnotationName) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| public Annotation setPrimaryAnnotation( |
| String primaryAnnotationName, String[] supportingAnnotationNames) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| public TextRange getNameTextRange(CompilationUnit astRoot) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| public void resolveTypes(CompilationUnit astRoot) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| public boolean isFor(String memberName, int occurrence) { |
| throw new UnsupportedOperationException(); |
| } |
| } |