| /******************************************************************************* |
| * Copyright (c) 2006, 2008 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.resource.persistence; |
| |
| import java.io.IOException; |
| import org.eclipse.core.resources.IFile; |
| import org.eclipse.core.resources.IProject; |
| import org.eclipse.emf.common.util.URI; |
| import org.eclipse.jpt.core.JptCorePlugin; |
| import org.eclipse.jpt.core.resource.common.JpaArtifactEdit; |
| |
| /** |
| * |
| * |
| * Provisional API: This interface is part of an interim API that is still |
| * under development and expected to change significantly before reaching |
| * stability. It is available at this early stage to solicit feedback from |
| * pioneering adopters on the understanding that any code that uses this API |
| * will almost certainly be broken (repeatedly) as the API evolves. |
| */ |
| public class PersistenceArtifactEdit extends JpaArtifactEdit |
| { |
| /** |
| * @param aProject |
| * @return a persistence artifact for project aProject. |
| * Opened only for read access (no write) |
| */ |
| public static PersistenceArtifactEdit getArtifactEditForRead(IProject aProject) { |
| PersistenceArtifactEdit artifactEdit = null; |
| try { |
| artifactEdit = new PersistenceArtifactEdit(aProject, true); |
| } |
| catch (IllegalArgumentException iae) { |
| // suppress illegal argument exception |
| JptCorePlugin.log(iae); |
| } |
| return artifactEdit; |
| } |
| |
| /** |
| * @param aProject |
| * @return a persistence artifact for the project aProject. |
| * Opened for both write and read access |
| */ |
| public static PersistenceArtifactEdit getArtifactEditForWrite(IProject aProject) { |
| PersistenceArtifactEdit artifactEdit = null; |
| try { |
| artifactEdit = new PersistenceArtifactEdit(aProject, false); |
| } |
| catch (IllegalArgumentException iae) { |
| // suppress illegal argument exception |
| JptCorePlugin.log(iae); |
| } |
| return artifactEdit; |
| } |
| |
| |
| public PersistenceArtifactEdit(IProject aProject, boolean toAccessAsReadOnly) |
| throws IllegalArgumentException { |
| super(aProject, toAccessAsReadOnly); |
| } |
| |
| |
| @Override |
| public PersistenceResource getResource(IFile file) { |
| // This *seems* to do the same basic thing as below, but circumvents the |
| // URI munging that ArtifactEditModel does (see bug 209093) |
| try { |
| PersistenceResource resource = |
| (PersistenceResource) getArtifactEditModel().createResource(URI.createPlatformResourceURI(file.getFullPath().toString())); |
| if (! resource.isLoaded()) { |
| resource.load(getArtifactEditModel().getResourceSet().getLoadOptions()); |
| } |
| return resource; |
| } |
| catch (ClassCastException cce) { |
| return null; |
| } |
| catch (IOException ioe) { |
| JptCorePlugin.log(ioe); |
| return null; |
| } |
| } |
| |
| @Override |
| public PersistenceResource getResource(String fileURI) { |
| try { |
| return (PersistenceResource) getArtifactEditModel().getResource(URI.createURI(fileURI)); |
| } |
| catch (ClassCastException cce) { |
| return null; |
| } |
| } |
| |
| /** |
| * Return a persistence resource for the default deploy location |
| */ |
| public PersistenceResource getResource() { |
| return getResource(JptCorePlugin.getPersistenceXmlDeploymentURI(getProject())); |
| } |
| |
| /** |
| * Create a persistence resource with base defaults |
| */ |
| public PersistenceResource createDefaultResource() { |
| PersistenceResource resource = getResource(); |
| XmlPersistence persistence = PersistenceFactory.eINSTANCE.createXmlPersistence(); |
| persistence.setVersion("1.0"); |
| XmlPersistenceUnit pUnit = PersistenceFactory.eINSTANCE.createXmlPersistenceUnit(); |
| pUnit.setName(getProject().getName()); |
| persistence.getPersistenceUnits().add(pUnit); |
| resource.getContents().add(persistence); |
| save(null); |
| return resource; |
| } |
| } |