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/*******************************************************************************
* Copyright (c) 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.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.JptCommonCorePlugin;
import org.eclipse.jpt.common.core.internal.utility.PlatformTools;
import org.eclipse.pde.core.project.IBundleProjectDescription;
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) {
try {
IContainer root = getBundleRoot(project);
return root.getFolder(META_INF_PATH);
}
catch (CoreException ce) {
// fall through
JptCommonCorePlugin.log(ce);
}
return super.getDefaultResourceLocation(project);
}
@Override
public IPath getResourcePath(IProject project, IPath runtimePath) {
try {
IContainer root = getBundleRoot(project);
IPath resourcePath = root.getFullPath().append(runtimePath);
if (project.getWorkspace().getRoot().getFile(resourcePath).exists()) {
return resourcePath;
}
}
catch (CoreException ce) {
// fall through
JptCommonCorePlugin.log(ce);
}
return super.getResourcePath(project, runtimePath);
}
@Override
public IPath getRuntimePath(IProject project, IPath resourcePath) {
IFile file = PlatformTools.getFile(resourcePath);
try {
IContainer root = getBundleRoot(project);
if (root.contains(file)) {
return resourcePath.makeRelativeTo(root.getFullPath());
}
}
catch (CoreException ce) {
// fall through
JptCommonCorePlugin.log(ce);
}
return super.getRuntimePath(project, resourcePath);
}
protected IContainer getBundleRoot(IProject project)
throws CoreException {
IBundleProjectService service = getBundleProjectService();
IBundleProjectDescription description = service.getDescription(project);
IPath path = description.getBundleRoot();
return (path == null) ? project : project.getFolder(path);
}
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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