| /******************************************************************************* |
| * Copyright (c) 2009, 2010 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.jpa1.context.java; |
| |
| import java.util.ArrayList; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.Vector; |
| |
| import org.eclipse.core.resources.IFile; |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.jpt.core.JpaResourceType; |
| import org.eclipse.jpt.core.JpaStructureNode; |
| import org.eclipse.jpt.core.JptCorePlugin; |
| import org.eclipse.jpt.core.context.AccessType; |
| import org.eclipse.jpt.core.context.PersistentType; |
| import org.eclipse.jpt.core.context.java.JarFile; |
| import org.eclipse.jpt.core.context.java.JavaPersistentType; |
| import org.eclipse.jpt.core.context.persistence.JarFileRef; |
| import org.eclipse.jpt.core.internal.context.AbstractJpaContextNode; |
| import org.eclipse.jpt.core.resource.java.JavaResourcePackageFragmentRoot; |
| import org.eclipse.jpt.core.resource.java.JavaResourcePersistentType; |
| import org.eclipse.jpt.core.utility.TextRange; |
| import org.eclipse.jpt.utility.internal.CollectionTools; |
| import org.eclipse.jpt.utility.internal.HashBag; |
| import org.eclipse.jpt.utility.internal.iterables.LiveCloneIterable; |
| import org.eclipse.jpt.utility.internal.iterators.TransformationIterator; |
| import org.eclipse.jst.j2ee.model.internal.validation.ValidationCancelledException; |
| import org.eclipse.wst.validation.internal.provisional.core.IMessage; |
| import org.eclipse.wst.validation.internal.provisional.core.IReporter; |
| |
| /** |
| * Context JAR file |
| */ |
| public class GenericJarFile |
| extends AbstractJpaContextNode |
| implements JarFile, PersistentType.Owner |
| { |
| protected JavaResourcePackageFragmentRoot jarResourcePackageFragmentRoot; |
| protected final Vector<JavaPersistentType> javaPersistentTypes = new Vector<JavaPersistentType>(); |
| |
| |
| // ********** constructor/initialization ********** |
| |
| public GenericJarFile(JarFileRef parent, JavaResourcePackageFragmentRoot jarResourcePackageFragmentRoot) { |
| super(parent); |
| this.jarResourcePackageFragmentRoot = jarResourcePackageFragmentRoot; |
| CollectionTools.addAll(this.javaPersistentTypes, this.buildJavaPersistentTypes()); |
| } |
| |
| protected Iterator<JavaPersistentType> buildJavaPersistentTypes() { |
| return new TransformationIterator<JavaResourcePersistentType, JavaPersistentType>(this.javaResourcePersistentTypes()) { |
| @Override |
| protected JavaPersistentType transform(JavaResourcePersistentType jrpt) { |
| return GenericJarFile.this.buildJavaPersistentType(jrpt); |
| } |
| }; |
| } |
| |
| /** |
| * the resource JAR holds only annotated types, so we can use them all for |
| * building the context types |
| */ |
| protected Iterator<JavaResourcePersistentType> javaResourcePersistentTypes() { |
| return this.jarResourcePackageFragmentRoot.persistentTypes(); |
| } |
| |
| protected JavaPersistentType buildJavaPersistentType(JavaResourcePersistentType jrpt) { |
| return this.getJpaFactory().buildJavaPersistentType(this, jrpt); |
| } |
| |
| |
| // ********** JpaStructureNode implementation ********** |
| |
| public String getId() { |
| return null; |
| } |
| |
| @Override |
| public JpaResourceType getResourceType() { |
| return JptCorePlugin.JAR_RESOURCE_TYPE; |
| } |
| |
| public TextRange getSelectionTextRange() { |
| return null; |
| } |
| |
| public JpaStructureNode getStructureNode(int textOffset) { |
| return null; |
| } |
| |
| public void dispose() { |
| // nothing yet |
| } |
| |
| |
| // ********** JarFile implementation ********** |
| |
| public JavaPersistentType getPersistentType(String typeName) { |
| for (JavaPersistentType pt : this.getJavaPersistentTypes()) { |
| if (pt.getName().equals(typeName)) { |
| return pt; |
| } |
| } |
| return null; |
| } |
| |
| public Iterator<JavaPersistentType> javaPersistentTypes() { |
| return this.getJavaPersistentTypes().iterator(); |
| } |
| |
| protected Iterable<JavaPersistentType> getJavaPersistentTypes() { |
| return new LiveCloneIterable<JavaPersistentType>(this.javaPersistentTypes); |
| } |
| |
| public int javaPersistentTypesSize() { |
| return this.javaPersistentTypes.size(); |
| } |
| |
| protected JavaPersistentType addJavaPersistentType(JavaResourcePersistentType jrpt) { |
| JavaPersistentType javaPersistentType = this.buildJavaPersistentType(jrpt); |
| this.addItemToCollection(javaPersistentType, this.javaPersistentTypes, JAVA_PERSISTENT_TYPES_COLLECTION); |
| return javaPersistentType; |
| } |
| |
| protected void removeJavaPersistentType(JavaPersistentType javaPersistentType ) { |
| this.removeItemFromCollection(javaPersistentType, this.javaPersistentTypes, JAVA_PERSISTENT_TYPES_COLLECTION); |
| } |
| |
| |
| // ********** PersistentTypeContainer implementation ********** |
| |
| public Iterable<? extends PersistentType> getPersistentTypes() { |
| return this.getJavaPersistentTypes(); |
| } |
| |
| |
| // ********** PersistentType.Owner implementation ********** |
| |
| public AccessType getDefaultPersistentTypeAccess() { |
| return this.getPersistenceUnit().getDefaultAccess(); |
| } |
| |
| public AccessType getOverridePersistentTypeAccess() { |
| // no access type at this level overrides any local access type specification |
| return null; |
| } |
| |
| |
| // ********** JpaNode implementation ********** |
| |
| @Override |
| public IResource getResource() { |
| return this.jarResourcePackageFragmentRoot.getFile(); |
| } |
| |
| |
| // ********** updating ********** |
| |
| public void update(JavaResourcePackageFragmentRoot jrpfr) { |
| this.jarResourcePackageFragmentRoot = jrpfr; |
| this.updateJavaPersistentTypes(); |
| } |
| |
| protected void updateJavaPersistentTypes() { |
| HashBag<JavaPersistentType> contextTypesToRemove = CollectionTools.bag(this.javaPersistentTypes(), this.javaPersistentTypes.size()); |
| ArrayList<JavaPersistentType> contextTypesToUpdate = new ArrayList<JavaPersistentType>(this.javaPersistentTypes.size()); |
| |
| for (Iterator<JavaResourcePersistentType> resourceTypes = this.javaResourcePersistentTypes(); resourceTypes.hasNext(); ) { |
| JavaResourcePersistentType resourceType = resourceTypes.next(); |
| boolean match = false; |
| for (Iterator<JavaPersistentType> contextTypes = contextTypesToRemove.iterator(); contextTypes.hasNext(); ) { |
| JavaPersistentType contextType = contextTypes.next(); |
| if (contextType.getResourcePersistentType() == resourceType) { |
| contextTypes.remove(); |
| contextTypesToUpdate.add(contextType); |
| match = true; |
| break; |
| } |
| } |
| if ( ! match) { |
| this.addJavaPersistentType(resourceType); |
| } |
| } |
| for (JavaPersistentType contextType : contextTypesToRemove) { |
| this.removeJavaPersistentType(contextType); |
| } |
| // handle adding and removing java persistent types first, update the |
| // remaining java persistent types last; this reduces the churn during "update" |
| for (JavaPersistentType contextType : contextTypesToUpdate) { |
| contextType.update(); |
| } |
| } |
| |
| |
| // ********** validation ********** |
| |
| public void validate(List<IMessage> messages, IReporter reporter) { |
| if (reporter.isCancelled()) { |
| throw new ValidationCancelledException(); |
| } |
| // TODO validate 'javaPersistentTypes' |
| } |
| |
| public boolean isIn(org.eclipse.core.resources.IFolder folder) { |
| IResource member = folder.findMember(this.jarResourcePackageFragmentRoot.getFile().getName()); |
| IFile file = this.jarResourcePackageFragmentRoot.getFile(); |
| return member != null && file != null && member.equals(file); |
| } |
| |
| } |