| /******************************************************************************* |
| * Copyright (c) 2008, 2012 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 |
| * Ray Braithwood (ray@genuitec.com) - fix for bug 220605 |
| * Code 9 - ongoing development |
| * Sonatype, Inc. - transport split |
| *******************************************************************************/ |
| package org.eclipse.equinox.internal.p2.updatesite.metadata; |
| |
| import java.io.File; |
| import java.net.*; |
| import java.util.Map; |
| import org.eclipse.core.runtime.*; |
| import org.eclipse.equinox.internal.p2.metadata.repository.LocalMetadataRepository; |
| import org.eclipse.equinox.internal.p2.metadata.repository.SimpleMetadataRepositoryFactory; |
| import org.eclipse.equinox.internal.p2.repository.Transport; |
| import org.eclipse.equinox.internal.p2.updatesite.*; |
| import org.eclipse.equinox.p2.core.ProvisionException; |
| import org.eclipse.equinox.p2.publisher.*; |
| import org.eclipse.equinox.p2.repository.IRepositoryManager; |
| import org.eclipse.equinox.p2.repository.metadata.IMetadataRepository; |
| import org.eclipse.equinox.p2.repository.metadata.spi.MetadataRepositoryFactory; |
| import org.eclipse.osgi.util.NLS; |
| |
| public class UpdateSiteMetadataRepositoryFactory extends MetadataRepositoryFactory { |
| private static final String PROP_SITE_CHECKSUM = "site.checksum"; //$NON-NLS-1$ |
| |
| public static URI getLocalRepositoryLocation(URI location) { |
| String stateDirName = Integer.toString(location.hashCode()); |
| File bundleData = Activator.getBundleContext().getDataFile(null); |
| File stateDir = new File(bundleData, stateDirName); |
| return stateDir.toURI(); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.equinox.p2.repository.metadata.spi.MetadataRepositoryFactory#create(java.net.URL, java.lang.String, java.lang.String, java.util.Map) |
| */ |
| public IMetadataRepository create(URI location, String name, String type, Map<String, String> properties) { |
| return null; |
| } |
| |
| public IMetadataRepository 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; |
| } |
| if (!isURL(location)) { |
| return null; |
| } |
| |
| IMetadataRepository 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 UpdateSiteMetadataRepository(location, repository); |
| } |
| |
| private static boolean isURL(URI location) { |
| try { |
| new URL(location.toASCIIString()); |
| } catch (MalformedURLException e) { |
| return false; |
| } |
| return true; |
| } |
| |
| private void resetCache(IMetadataRepository repository) { |
| repository.setProperty(PROP_SITE_CHECKSUM, "0"); //$NON-NLS-1$ |
| repository.removeAll(); |
| } |
| |
| public IMetadataRepository loadRepository(URI location, IProgressMonitor monitor) { |
| URI localRepositoryURL = getLocalRepositoryLocation(location); |
| SimpleMetadataRepositoryFactory factory = new SimpleMetadataRepositoryFactory(); |
| 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(IMetadataRepository repository, URI location, IProgressMonitor monitor) throws ProvisionException { |
| UpdateSite updateSite = UpdateSite.load(location, (Transport) getAgent().getService(Transport.SERVICE_NAME), monitor); |
| String savedChecksum = repository.getProperties().get(PROP_SITE_CHECKSUM); |
| if (savedChecksum != null && savedChecksum.equals(updateSite.getChecksum())) |
| return; |
| repository.setProperty(PROP_SITE_CHECKSUM, updateSite.getChecksum()); |
| repository.removeAll(); |
| IStatus status = generateMetadata(updateSite, repository, monitor); |
| //site references should be published on load |
| if (repository instanceof LocalMetadataRepository) |
| ((LocalMetadataRepository) repository).publishRepositoryReferences(); |
| if (monitor.isCanceled()) |
| throw new OperationCanceledException(); |
| if (!status.isOK()) |
| throw new ProvisionException(status); |
| } |
| |
| private IStatus generateMetadata(UpdateSite updateSite, IMetadataRepository repository, IProgressMonitor monitor) { |
| PublisherInfo info = new PublisherInfo(); |
| info.setMetadataRepository(repository); |
| IPublisherAction[] actions = new IPublisherAction[] {new RemoteUpdateSiteAction(updateSite, null)}; |
| Publisher publisher = new Publisher(info); |
| return publisher.publish(actions, monitor); |
| } |
| |
| } |