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/*******************************************************************************
* Copyright (c) 2008, 2009 IBM Corporation 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:
* IBM Corporation - initial API and implementation
* Code 9 - ongoing development
*******************************************************************************/
package org.eclipse.equinox.internal.p2.updatesite.artifact;
import org.eclipse.equinox.p2.core.ProvisionException;
import org.eclipse.equinox.p2.repository.artifact.spi.ProcessingStepDescriptor;
import java.net.URI;
import java.util.*;
import org.eclipse.core.runtime.*;
import org.eclipse.equinox.internal.p2.artifact.repository.simple.SimpleArtifactDescriptor;
import org.eclipse.equinox.internal.p2.updatesite.Activator;
import org.eclipse.equinox.internal.p2.updatesite.UpdateSite;
import org.eclipse.equinox.internal.p2.updatesite.metadata.Messages;
import org.eclipse.equinox.internal.p2.updatesite.metadata.UpdateSiteMetadataRepositoryFactory;
import org.eclipse.equinox.internal.provisional.spi.p2.artifact.repository.ArtifactRepositoryFactory;
import org.eclipse.equinox.internal.provisional.spi.p2.artifact.repository.SimpleArtifactRepositoryFactory;
import org.eclipse.equinox.p2.metadata.IArtifactKey;
import org.eclipse.equinox.p2.publisher.eclipse.*;
import org.eclipse.equinox.p2.repository.IRepository;
import org.eclipse.equinox.p2.repository.IRepositoryManager;
import org.eclipse.equinox.p2.repository.artifact.*;
import org.eclipse.osgi.util.NLS;
public class UpdateSiteArtifactRepositoryFactory extends ArtifactRepositoryFactory {
/* (non-Javadoc)
* @see org.eclipse.equinox.internal.provisional.spi.p2.artifact.repository.ArtifactRepositoryFactory#create(java.net.URL, java.lang.String, java.lang.String, java.util.Map)
*/
public IArtifactRepository create(URI location, String name, String type, Map<String, String> properties) {
return null;
}
private static final String PROP_ARTIFACT_REFERENCE = "artifact.reference"; //$NON-NLS-1$
private static final String PROP_FORCE_THREADING = "eclipse.p2.force.threading"; //$NON-NLS-1$
private static final String PROP_SITE_CHECKSUM = "site.checksum"; //$NON-NLS-1$
private static final String PROTOCOL_FILE = "file"; //$NON-NLS-1$
/* (non-Javadoc)
* @see org.eclipse.equinox.internal.provisional.spi.p2.artifact.repository.ArtifactRepositoryFactory#load(java.net.URL, org.eclipse.core.runtime.IProgressMonitor)
*/
public IArtifactRepository load(URI location, int flags, IProgressMonitor monitor) throws ProvisionException {
//return null if the caller wanted a modifiable repo
if ((flags & IRepositoryManager.REPOSITORY_HINT_MODIFIABLE) > 0) {
return null;
}
IArtifactRepository repository = loadRepository(location, monitor);
try {
initializeRepository(repository, location, monitor);
} catch (Exception e) {
resetCache(repository);
if (e instanceof ProvisionException)
throw (ProvisionException) e;
if (e instanceof OperationCanceledException)
throw (OperationCanceledException) e;
throw new ProvisionException(new Status(IStatus.ERROR, Activator.ID, NLS.bind(Messages.Unexpected_exception, location.toString()), e));
}
return new UpdateSiteArtifactRepository(location, repository);
}
private void resetCache(IArtifactRepository repository) {
repository.setProperty(PROP_SITE_CHECKSUM, "0"); //$NON-NLS-1$
repository.removeAll();
}
public IArtifactRepository loadRepository(URI location, IProgressMonitor monitor) {
URI localRepositoryURL = UpdateSiteMetadataRepositoryFactory.getLocalRepositoryLocation(location);
SimpleArtifactRepositoryFactory factory = new SimpleArtifactRepositoryFactory();
factory.setAgent(getAgent());
try {
return factory.load(localRepositoryURL, 0, monitor);
} catch (ProvisionException e) {
//fall through and create a new repository
}
String repositoryName = "update site: " + location; //$NON-NLS-1$
return factory.create(localRepositoryURL, repositoryName, null, null);
}
public void initializeRepository(IArtifactRepository repository, URI location, IProgressMonitor monitor) throws ProvisionException {
UpdateSite updateSite = UpdateSite.load(location, monitor);
String savedChecksum = repository.getProperties().get(PROP_SITE_CHECKSUM);
if (savedChecksum != null && savedChecksum.equals(updateSite.getChecksum()))
return;
if (!location.getScheme().equals(PROTOCOL_FILE))
repository.setProperty(PROP_FORCE_THREADING, "true"); //$NON-NLS-1$
repository.setProperty(PROP_SITE_CHECKSUM, updateSite.getChecksum());
if (updateSite.getSite().getMirrorsURI() != null)
repository.setProperty(IRepository.PROP_MIRRORS_URL, updateSite.getSite().getMirrorsURI());
repository.removeAll();
generateArtifactDescriptors(updateSite, repository, monitor);
}
private void generateArtifactDescriptors(UpdateSite updateSite, IArtifactRepository repository, IProgressMonitor monitor) throws ProvisionException {
final String PACK_EXT = ".pack.gz"; //$NON-NLS-1$
Feature[] features = updateSite.loadFeatures(monitor);
Set<IArtifactDescriptor> allSiteArtifacts = new HashSet<IArtifactDescriptor>();
boolean packSupported = updateSite.getSite().isPack200Supported();
for (int i = 0; i < features.length; i++) {
Feature feature = features[i];
IArtifactKey featureKey = FeaturesAction.createFeatureArtifactKey(feature.getId(), feature.getVersion());
SimpleArtifactDescriptor featureArtifactDescriptor = new SimpleArtifactDescriptor(featureKey);
URI featureURL = updateSite.getFeatureURI(feature.getId(), feature.getVersion());
featureArtifactDescriptor.setRepositoryProperty(PROP_ARTIFACT_REFERENCE, featureURL.toString());
allSiteArtifacts.add(featureArtifactDescriptor);
if (packSupported) {
// Update site supports pack200, create a packed descriptor
featureArtifactDescriptor = new SimpleArtifactDescriptor(featureKey);
featureURL = updateSite.getFeatureURI(feature.getId(), feature.getVersion());
featureArtifactDescriptor.setRepositoryProperty(PROP_ARTIFACT_REFERENCE, featureURL.toString() + PACK_EXT);
IProcessingStepDescriptor[] steps = new IProcessingStepDescriptor[] {new ProcessingStepDescriptor("org.eclipse.equinox.p2.processing.Pack200Unpacker", null, true)}; //$NON-NLS-1$
featureArtifactDescriptor.setProcessingSteps(steps);
featureArtifactDescriptor.setProperty(IArtifactDescriptor.FORMAT, IArtifactDescriptor.FORMAT_PACKED);
allSiteArtifacts.add(featureArtifactDescriptor);
}
FeatureEntry[] featureEntries = feature.getEntries();
for (int j = 0; j < featureEntries.length; j++) {
FeatureEntry entry = featureEntries[j];
if (entry.isPlugin() && !entry.isRequires()) {
IArtifactKey key = BundlesAction.createBundleArtifactKey(entry.getId(), entry.getVersion());
SimpleArtifactDescriptor artifactDescriptor = new SimpleArtifactDescriptor(key);
URI pluginURL = updateSite.getPluginURI(entry);
artifactDescriptor.setRepositoryProperty(PROP_ARTIFACT_REFERENCE, pluginURL.toString());
allSiteArtifacts.add(artifactDescriptor);
if (packSupported) {
// Update site supports pack200, create a packed descriptor
key = BundlesAction.createBundleArtifactKey(entry.getId(), entry.getVersion());
artifactDescriptor = new SimpleArtifactDescriptor(key);
pluginURL = updateSite.getPluginURI(entry);
artifactDescriptor.setRepositoryProperty(PROP_ARTIFACT_REFERENCE, pluginURL.toString() + PACK_EXT);
IProcessingStepDescriptor[] steps = new IProcessingStepDescriptor[] {new ProcessingStepDescriptor("org.eclipse.equinox.p2.processing.Pack200Unpacker", null, true)}; //$NON-NLS-1$
artifactDescriptor.setProcessingSteps(steps);
artifactDescriptor.setProperty(IArtifactDescriptor.FORMAT, IArtifactDescriptor.FORMAT_PACKED);
allSiteArtifacts.add(artifactDescriptor);
}
}
}
}
IArtifactDescriptor[] descriptors = allSiteArtifacts.toArray(new IArtifactDescriptor[allSiteArtifacts.size()]);
repository.addDescriptors(descriptors);
}
}
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