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/*******************************************************************************
* Copyright (c) 2007, 2018 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 {
@Override
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 (URI repositorie : repositories) {
try {
IArtifactRepository currentRepo = repoMgr.loadRepository(repositorie, 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));
}
}
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