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/*
* Copyright (c) 2004 - 2012 Eike Stepper (Berlin, Germany) and others.
* 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:
* Eike Stepper - initial API and implementation
*/
package org.eclipse.emf.cdo.releng.version;
import org.eclipse.emf.cdo.releng.version.Release.Element;
import org.eclipse.emf.cdo.releng.version.Release.Element.Type;
import org.eclipse.core.resources.ICommand;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IProjectDescription;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.osgi.service.resolver.BundleDescription;
import org.eclipse.pde.core.IModel;
import org.eclipse.pde.core.plugin.IPluginModelBase;
import org.osgi.framework.Version;
import org.xml.sax.SAXException;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.parsers.SAXParser;
import javax.xml.parsers.SAXParserFactory;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.Map;
import java.util.Map.Entry;
import java.util.WeakHashMap;
/**
* @author Eike Stepper
*/
public class ReleaseManager
{
public static final ReleaseManager INSTANCE = new ReleaseManager();
private Map<Release, Long> releases = new WeakHashMap<Release, Long>();
private SAXParserFactory parserFactory;
private ReleaseManager()
{
}
private SAXParser getParser() throws ParserConfigurationException, SAXException
{
if (parserFactory == null)
{
parserFactory = SAXParserFactory.newInstance();
}
return parserFactory.newSAXParser();
}
public synchronized Release getRelease(IFile file) throws CoreException
{
try
{
for (Entry<Release, Long> entry : releases.entrySet())
{
Release release = entry.getKey();
if (release.getFile().equals(file))
{
long timeStamp = entry.getValue();
if (file.getLocalTimeStamp() == timeStamp)
{
return release;
}
releases.remove(release);
break;
}
}
if (!file.exists())
{
throw new FileNotFoundException(file.getFullPath().toString());
}
Release release = new Release(getParser(), file);
releases.put(release, file.getLocalTimeStamp());
return release;
}
catch (CoreException ex)
{
throw ex;
}
catch (Exception ex)
{
throw new CoreException(new Status(IStatus.ERROR, Activator.PLUGIN_ID, ex.getLocalizedMessage(), ex));
}
}
public synchronized Release createRelease(IFile file) throws CoreException, IOException
{
Release release = new Release(file);
String path = file.getFullPath().toString();
for (IProject project : ResourcesPlugin.getWorkspace().getRoot().getProjects())
{
if (project.isOpen())
{
IProjectDescription desc = project.getDescription();
ICommand[] commands = desc.getBuildSpec();
for (int i = 0; i < commands.length; ++i)
{
if (commands[i].getBuilderName().equals(VersionBuilder.BUILDER_ID))
{
Map<String, String> arguments = commands[i].getArguments();
if (arguments != null)
{
String releasePath = arguments.get(VersionBuilder.RELEASE_PATH_ARGUMENT);
if (path.equals(releasePath))
{
IModel componentModel = VersionBuilder.getComponentModel(project);
Element element = createElement(componentModel, true);
release.getElements().put(element, element);
}
}
}
}
}
}
release.write();
releases.put(release, file.getLocalTimeStamp());
return release;
}
public Element createElement(IModel componentModel) throws CoreException
{
return createElement(componentModel, false);
}
private Element createElement(IModel componentModel, boolean withFeatureContent) throws CoreException
{
if (componentModel instanceof IPluginModelBase)
{
IPluginModelBase pluginModel = (IPluginModelBase)componentModel;
BundleDescription description = pluginModel.getBundleDescription();
String name = description.getSymbolicName();
Version version = description.getVersion();
return new Element(Type.PLUGIN, name, version);
}
return createFeatureElement(componentModel, withFeatureContent);
}
@SuppressWarnings("restriction")
private Element createFeatureElement(IModel componentModel, boolean withContent)
{
org.eclipse.pde.internal.core.ifeature.IFeatureModel featureModel = (org.eclipse.pde.internal.core.ifeature.IFeatureModel)componentModel;
org.eclipse.pde.internal.core.ifeature.IFeature feature = featureModel.getFeature();
String name = feature.getId();
Version version = new Version(feature.getVersion());
Element element = new Element(Type.FEATURE, name, version);
if (withContent)
{
for (org.eclipse.pde.internal.core.ifeature.IFeatureChild versionable : feature.getIncludedFeatures())
{
Element child = new Element(Element.Type.FEATURE, versionable.getId(), versionable.getVersion());
element.getContent().add(child);
}
for (org.eclipse.pde.internal.core.ifeature.IFeaturePlugin versionable : feature.getPlugins())
{
Element child = new Element(Element.Type.PLUGIN, versionable.getId(), versionable.getVersion());
element.getContent().add(child);
}
}
return element;
}
}
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