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/*******************************************************************************
* Copyright (c) 2009, 2018 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.equinox.p2.internal.repository.tools.tasks;
import java.util.*;
import org.apache.tools.ant.BuildException;
import org.eclipse.core.runtime.*;
import org.eclipse.equinox.p2.core.ProvisionException;
import org.eclipse.equinox.p2.internal.repository.tools.AbstractApplication;
import org.eclipse.equinox.p2.internal.repository.tools.Messages;
import org.eclipse.equinox.p2.metadata.IArtifactKey;
import org.eclipse.equinox.p2.metadata.IInstallableUnit;
import org.eclipse.equinox.p2.query.IQuery;
import org.eclipse.equinox.p2.query.IQueryResult;
import org.eclipse.equinox.p2.repository.artifact.IArtifactDescriptor;
import org.eclipse.equinox.p2.repository.artifact.IArtifactRepository;
import org.eclipse.equinox.p2.repository.metadata.IMetadataRepository;
import org.eclipse.osgi.util.NLS;
import org.osgi.framework.Filter;
import org.osgi.framework.InvalidSyntaxException;
public class RemoveIUTask extends AbstractRepositoryTask {
private static final String CLASSIFIER = "classifier"; //$NON-NLS-1$
private static final String ID = "id"; //$NON-NLS-1$
private static final String VERSION = "version"; //$NON-NLS-1$
protected static class RemoveIUApplication extends AbstractApplication {
//Only need the application to reuse super's repo management.
@Override
public IStatus run(IProgressMonitor monitor) {
return null;
}
public void finalizeRepos() {
super.finalizeRepositories();
}
}
public RemoveIUTask() {
this.application = new RemoveIUApplication();
}
@Override
public void execute() throws BuildException {
try {
if (iuTasks == null || iuTasks.isEmpty())
return; //nothing to do
application.initializeRepos(null);
if (application.getCompositeMetadataRepository() == null)
throw new BuildException(Messages.AbstractApplication_no_valid_destinations); //need a repo
IMetadataRepository repository = application.getDestinationMetadataRepository();
IArtifactRepository artifacts = application.getDestinationArtifactRepository();
final Set<IInstallableUnit> toRemove = new HashSet<>();
for (IUDescription iu : iuTasks) {
IQuery<IInstallableUnit> iuQuery = iu.createQuery();
IQueryResult<IInstallableUnit> queryResult = repository.query(iuQuery, null);
if (queryResult.isEmpty())
getProject().log(NLS.bind(Messages.AbstractRepositoryTask_unableToFind, iu.toString()));
else {
for (Iterator<IInstallableUnit> iterator = queryResult.iterator(); iterator.hasNext();) {
IInstallableUnit unit = iterator.next();
Collection<IArtifactKey> keys = unit.getArtifacts();
Filter filter = null;
try {
filter = iu.getArtifactFilter();
} catch (InvalidSyntaxException e) {
getProject().log(NLS.bind(Messages.skippingInvalidFilter, iu.toString()));
continue;
}
//we will only remove the metadata if all artifacts were removed
boolean removeMetadata = (filter != null ? keys.size() > 0 : true);
for (IArtifactKey key : keys) {
if (filter == null) {
artifacts.removeDescriptor(key, new NullProgressMonitor());
} else {
IArtifactDescriptor[] descriptors = artifacts.getArtifactDescriptors(key);
for (IArtifactDescriptor descriptor : descriptors) {
if (filter.match(createDictionary(descriptor))) {
artifacts.removeDescriptor(descriptor, new NullProgressMonitor());
} else {
removeMetadata = false;
}
}
}
}
if (removeMetadata)
toRemove.add(unit);
}
}
}
if (toRemove.size() > 0) {
repository.removeInstallableUnits(toRemove);
}
} catch (ProvisionException e) {
throw new BuildException(e);
} finally {
((RemoveIUApplication) application).finalizeRepos();
}
}
private Dictionary<String, Object> createDictionary(IArtifactDescriptor descriptor) {
Hashtable<String, Object> result = new Hashtable<>(5);
result.putAll(descriptor.getProperties());
IArtifactKey key = descriptor.getArtifactKey();
result.put(CLASSIFIER, key.getClassifier());
result.put(ID, key.getId());
result.put(VERSION, key.getVersion());
return result;
}
}
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