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/*******************************************************************************
* Copyright (c) 2010, 2012 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.common.core.internal.resource;
import org.eclipse.core.resources.IContainer;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.jpt.common.core.internal.plugin.JptCommonCorePlugin;
import org.eclipse.jpt.common.core.internal.utility.PlatformTools;
import org.eclipse.pde.core.project.IBundleProjectService;
import org.osgi.framework.BundleContext;
import org.osgi.framework.ServiceReference;
public class PluginResourceLocator
extends SimpleJavaResourceLocator
{
@Override
public IContainer getDefaultResourceLocation(IProject project) {
IContainer bundleRoot = this.getBundleRoot(project);
return (bundleRoot != null) ?
bundleRoot.getFolder(META_INF_PATH) :
super.getDefaultResourceLocation(project);
}
@Override
public IPath getResourcePath(IProject project, IPath runtimePath) {
IContainer bundleRoot = this.getBundleRoot(project);
if (bundleRoot != null) {
IPath resourcePath = bundleRoot.getFullPath().append(runtimePath);
if (project.getWorkspace().getRoot().getFile(resourcePath).exists()) {
return resourcePath;
}
}
return super.getResourcePath(project, runtimePath);
}
@Override
public IPath getRuntimePath(IProject project, IPath resourcePath) {
IContainer bundleRoot = this.getBundleRoot(project);
if (bundleRoot != null) {
IFile file = PlatformTools.getFile(resourcePath);
if (bundleRoot.contains(file)) {
return resourcePath.makeRelativeTo(bundleRoot.getFullPath());
}
}
return super.getRuntimePath(project, resourcePath);
}
protected IContainer getBundleRoot(IProject project) {
try {
return this.getBundleRoot_(project);
} catch (CoreException ex) {
// problem creating description on an existing project
JptCommonCorePlugin.instance().logError(ex);
return null;
}
}
protected IContainer getBundleRoot_(IProject project) throws CoreException {
BundleContext bundleContext = JptCommonCorePlugin.instance().getBundle().getBundleContext();
if (bundleContext == null) {
return project;
}
ServiceReference<IBundleProjectService> serviceRef = bundleContext.getServiceReference(IBundleProjectService.class);
if (serviceRef == null) {
return project;
}
IBundleProjectService service = bundleContext.getService(serviceRef);
if (service == null) {
bundleContext.ungetService(serviceRef);
return project;
}
IPath bundleRoot = service.getDescription(project).getBundleRoot();
bundleContext.ungetService(serviceRef);
return (bundleRoot == null) ? project : project.getFolder(bundleRoot);
}
protected IBundleProjectService getBundleProjectService() {
BundleContext context = JptCommonCorePlugin.instance().getBundle().getBundleContext();
ServiceReference<IBundleProjectService> reference = context.getServiceReference(IBundleProjectService.class);
if (reference == null) {
return null;
}
IBundleProjectService service = context.getService(reference);
if (service != null) {
context.ungetService(reference);
}
return service;
}
}
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