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/*******************************************************************************
* Copyright (c) 2011 WindRiver 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:
* WindRiver Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.equinox.internal.p2.importexport.internal;
import java.io.*;
import java.net.URI;
import java.util.*;
import org.eclipse.core.runtime.*;
import org.eclipse.equinox.internal.p2.importexport.IUDetail;
import org.eclipse.equinox.internal.p2.importexport.P2ImportExport;
import org.eclipse.equinox.internal.p2.importexport.persistence.*;
import org.eclipse.equinox.internal.p2.persistence.XMLWriter.ProcessingInstruction;
import org.eclipse.equinox.p2.core.IProvisioningAgent;
import org.eclipse.equinox.p2.core.ProvisionException;
import org.eclipse.equinox.p2.metadata.IInstallableUnit;
import org.eclipse.equinox.p2.metadata.VersionRange;
import org.eclipse.equinox.p2.query.IQueryResult;
import org.eclipse.equinox.p2.query.QueryUtil;
import org.eclipse.equinox.p2.repository.IRepositoryManager;
import org.eclipse.equinox.p2.repository.metadata.IMetadataRepository;
import org.eclipse.equinox.p2.repository.metadata.IMetadataRepositoryManager;
import org.eclipse.osgi.util.NLS;
public class ImportExportImpl implements P2ImportExport {
public static final int IGNORE_LOCAL_REPOSITORY = 1;
public static final int CANNOT_FIND_REPOSITORY = 2;
private IProvisioningAgent agent = null;
public void bind(IProvisioningAgent agt) {
this.agent = agt;
}
public void unbind(IProvisioningAgent agt) {
if (this.agent == agt) {
this.agent = null;
}
}
public List<IUDetail> importP2F(InputStream input) throws IOException {
P2FParser parser = new P2FParser(Platform.getBundle(Constants.Bundle_ID).getBundleContext(), Constants.Bundle_ID);
parser.parse(input);
return parser.getIUs();
}
public IStatus exportP2F(OutputStream output, IInstallableUnit[] ius, boolean allowEntriesWithoutRepo, IProgressMonitor monitor) {
if (monitor == null)
monitor = new NullProgressMonitor();
SubMonitor subMonitor = SubMonitor.convert(monitor, Messages.Replicator_ExportJobName, 1000);
//Collect repos where the IUs are going to be searched
IMetadataRepositoryManager repoManager = (IMetadataRepositoryManager) agent.getService(IMetadataRepositoryManager.SERVICE_NAME);
URI[] uris = repoManager.getKnownRepositories(IRepositoryManager.REPOSITORIES_NON_LOCAL | IRepositoryManager.REPOSITORIES_NON_SYSTEM);
List<IMetadataRepository> repos = new ArrayList<IMetadataRepository>(uris.length);
for (URI uri : uris) {
try {
IMetadataRepository repo = repoManager.loadRepository(uri, subMonitor.newChild(500 / uris.length, SubMonitor.SUPPRESS_ALL_LABELS));
repos.add(repo);
} catch (ProvisionException e) {
// ignore
}
}
subMonitor.setWorkRemaining(500);
List<IUDetail> rootsToExport = new ArrayList<IUDetail>(ius.length);
SubMonitor sub2 = subMonitor.newChild(450, SubMonitor.SUPPRESS_ALL_LABELS);
sub2.setWorkRemaining(ius.length * 100);
MultiStatus queryRepoResult = new MultiStatus(Constants.Bundle_ID, 0, null, null);
for (IInstallableUnit iu : ius) {
List<URI> referredRepos = new ArrayList<URI>(1);
if (sub2.isCanceled())
throw new OperationCanceledException();
SubMonitor sub3 = sub2.newChild(100);
sub3.setWorkRemaining(repos.size() * 100);
//Search for repo matching the given IU
for (IMetadataRepository repo : repos) {
IQueryResult<IInstallableUnit> result = repo.query(QueryUtil.createIUQuery(iu.getId(), new VersionRange(iu.getVersion(), true, null, true)), sub3.newChild(100));
if (!result.isEmpty())
referredRepos.add(repo.getLocation());
}
sub3.setWorkRemaining(1).worked(1);
//Create object representing given IU
if (referredRepos.size() != 0 || (referredRepos.size() == 0 && allowEntriesWithoutRepo)) {
IUDetail iuToExport = new IUDetail(iu, referredRepos);
rootsToExport.add(iuToExport);
} else {
if (isContainedInLocalRepo(iu))
queryRepoResult.add(new Status(IStatus.INFO, Constants.Bundle_ID, IGNORE_LOCAL_REPOSITORY, NLS.bind(Messages.Replicator_InstallFromLocal, iu.getProperty(IInstallableUnit.PROP_NAME, Locale.getDefault().toString())), null));
else
queryRepoResult.add(new Status(IStatus.WARNING, Constants.Bundle_ID, CANNOT_FIND_REPOSITORY, NLS.bind(Messages.Replicator_NotFoundInRepository, iu.getProperty(IInstallableUnit.PROP_NAME, Locale.getDefault().toString())), null));
}
}
subMonitor.setWorkRemaining(50);
//Serialize
IStatus status = exportP2F(output, rootsToExport, subMonitor);
if (status.isOK() && queryRepoResult.isOK())
return status;
MultiStatus rt = new MultiStatus(Constants.Bundle_ID, 0, new IStatus[] {queryRepoResult, status}, null, null);
return rt;
}
private boolean isContainedInLocalRepo(IInstallableUnit iu) {
IMetadataRepositoryManager repoManager = (IMetadataRepositoryManager) agent.getService(IMetadataRepositoryManager.SERVICE_NAME);
URI[] uris = repoManager.getKnownRepositories(IRepositoryManager.REPOSITORIES_LOCAL | IRepositoryManager.REPOSITORIES_NON_SYSTEM);
for (URI uri : uris) {
try {
IMetadataRepository repo = repoManager.loadRepository(uri, null);
if (!repo.query(QueryUtil.createIUQuery(iu.getId(), new VersionRange(iu.getVersion(), true, null, true)), null).isEmpty())
return true;
} catch (ProvisionException e) {
// ignore
}
}
return false;
}
public IStatus exportP2F(OutputStream output, List<IUDetail> ius, IProgressMonitor monitor) {
if (monitor == null)
monitor = new NullProgressMonitor();
SubMonitor sub = SubMonitor.convert(monitor, Messages.Replicator_SaveJobName, 100);
if (sub.isCanceled())
throw new OperationCanceledException();
try {
P2FWriter writer = new P2FWriter(output, new ProcessingInstruction[] {ProcessingInstruction.makeTargetVersionInstruction(P2FConstants.P2F_ELEMENT, P2FConstants.CURRENT_VERSION)});
writer.write(ius);
return Status.OK_STATUS;
} catch (UnsupportedEncodingException e) {
return new Status(IStatus.ERROR, Constants.Bundle_ID, e.getMessage(), e);
} finally {
sub.worked(100);
}
}
}
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