| /******************************************************************************* |
| * Copyright (c) 2007, 2009 compeople AG 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: |
| * compeople AG (Stefan Liebig) - initial API and implementation |
| * IBM Corporation - ongoing development |
| *******************************************************************************/ |
| package org.eclipse.equinox.internal.p2.artifact.processors; |
| |
| import java.net.URI; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.Status; |
| import org.eclipse.equinox.internal.p2.artifact.optimizers.AbstractDeltaStep; |
| import org.eclipse.equinox.p2.core.IProvisioningAgent; |
| import org.eclipse.equinox.p2.core.ProvisionException; |
| import org.eclipse.equinox.p2.repository.IRepositoryManager; |
| import org.eclipse.equinox.p2.repository.artifact.*; |
| |
| /** |
| * The <code>AbstractDeltaPatchStep</code> is an abstract processing step that |
| * retrieves a local artifact repository containing the serialized/encoded |
| * artifact key. It assumes that the artifact key is stored within the data property |
| * of the processing step descriptor encoding the artifact key of the base artifact. |
| */ |
| public abstract class AbstractDeltaProcessorStep extends AbstractDeltaStep { |
| |
| public void initialize(IProvisioningAgent agent, IProcessingStepDescriptor descriptor, IArtifactDescriptor context) { |
| super.initialize(agent, descriptor, context); |
| if (!getStatus().isOK()) |
| return; |
| fetchLocalArtifactRepository(agent); |
| } |
| |
| /** |
| * Fetch a local artifact repository containing the fetched artifact key. |
| */ |
| private void fetchLocalArtifactRepository(IProvisioningAgent agent) { |
| if (repository != null) |
| return; |
| IArtifactRepositoryManager repoMgr = (IArtifactRepositoryManager) agent.getService(IArtifactRepositoryManager.SERVICE_NAME); |
| if (repoMgr == null) { |
| setStatus(new Status(IStatus.ERROR, Activator.ID, "Could not get artifact repository manager.")); |
| return; |
| } |
| |
| URI[] repositories = repoMgr.getKnownRepositories(IRepositoryManager.REPOSITORIES_LOCAL); |
| for (int i = 0; i < repositories.length; i++) { |
| try { |
| IArtifactRepository currentRepo = repoMgr.loadRepository(repositories[i], null); |
| if (currentRepo.contains(key)) { |
| repository = currentRepo; |
| return; |
| } |
| } catch (ProvisionException e) { |
| //just skip unreadable repositories |
| } |
| } |
| setStatus(new Status(IStatus.ERROR, Activator.ID, "No repository available containing key " + key)); |
| } |
| |
| } |