| /******************************************************************************* |
| * Copyright (c) 2009, 2011 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.jpa.core.internal; |
| |
| import org.eclipse.core.resources.IFile; |
| import org.eclipse.core.runtime.content.IContentType; |
| import org.eclipse.jdt.core.IPackageFragmentRoot; |
| import org.eclipse.jdt.core.JavaCore; |
| import org.eclipse.jpt.common.core.JptCommonCorePlugin; |
| import org.eclipse.jpt.common.core.JptResourceModel; |
| import org.eclipse.jpt.common.core.internal.resource.java.binary.BinaryPackageFragmentRoot; |
| import org.eclipse.jpt.jpa.core.JpaProject; |
| import org.eclipse.jpt.jpa.core.JpaResourceModelProvider; |
| |
| /** |
| * JAR files |
| */ |
| public class JarResourceModelProvider |
| implements JpaResourceModelProvider |
| { |
| // singleton |
| private static final JpaResourceModelProvider INSTANCE = new JarResourceModelProvider(); |
| |
| /** |
| * Return the singleton. |
| */ |
| public static JpaResourceModelProvider instance() { |
| return INSTANCE; |
| } |
| |
| /** |
| * Ensure single instance. |
| */ |
| private JarResourceModelProvider() { |
| super(); |
| } |
| |
| public IContentType getContentType() { |
| return JptCommonCorePlugin.JAR_CONTENT_TYPE; |
| } |
| |
| /** |
| * NB: Despite the check in GenericJpaProject.addJpaFile_(IFile), |
| * we can get here and |
| * the PFR will be null if the JAR is underneath a directory on the |
| * classpath but the JAR itself is not on the classpath. |
| * Returning null should be OK. |
| */ |
| public JptResourceModel buildResourceModel(JpaProject jpaProject, IFile file) { |
| IPackageFragmentRoot pfr = JavaCore.createJarPackageFragmentRootFrom(file); |
| return (pfr ==null) ? null : new BinaryPackageFragmentRoot(pfr, jpaProject.getJpaPlatform().getAnnotationProvider()); |
| } |
| |
| } |