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/*
* Copyright (c) 2014-2018 Eike Stepper (Loehne, Germany) 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:
* Eike Stepper - initial API and implementation
*/
package org.eclipse.oomph.p2.core;
import org.eclipse.oomph.p2.internal.core.AgentImpl;
import org.eclipse.oomph.p2.internal.core.AgentManagerImpl;
import org.eclipse.oomph.p2.internal.core.CachingRepositoryManager;
import org.eclipse.oomph.p2.internal.core.CachingTransport;
import org.eclipse.oomph.util.StringUtil;
import org.eclipse.core.runtime.URIUtil;
import org.eclipse.equinox.p2.core.IAgentLocation;
import org.eclipse.equinox.p2.core.IProvisioningAgent;
import org.eclipse.equinox.p2.metadata.IArtifactKey;
import org.eclipse.equinox.p2.metadata.IInstallableUnit;
import org.eclipse.equinox.p2.metadata.ILicense;
import org.eclipse.equinox.p2.metadata.IProvidedCapability;
import org.eclipse.equinox.p2.metadata.IRequirement;
import org.eclipse.equinox.p2.metadata.ITouchpointData;
import org.eclipse.equinox.p2.metadata.IVersionedId;
import org.eclipse.equinox.p2.metadata.MetadataFactory;
import org.eclipse.equinox.p2.metadata.MetadataFactory.InstallableUnitDescription;
import org.eclipse.equinox.p2.metadata.expression.IMatchExpression;
import org.eclipse.equinox.p2.query.IQueryResult;
import org.eclipse.equinox.p2.repository.IRepositoryManager;
import org.eclipse.equinox.p2.repository.metadata.IMetadataRepositoryManager;
import java.io.File;
import java.net.URI;
import java.util.Collection;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Map.Entry;
import java.util.Set;
/**
* @author Eike Stepper
*/
public final class P2Util
{
private P2Util()
{
}
public static synchronized AgentManager getAgentManager()
{
if (AgentManagerImpl.instance == null)
{
AgentManagerImpl.instance = new AgentManagerImpl();
}
return AgentManagerImpl.instance;
}
public static File getAgentLocation(IProvisioningAgent agent)
{
IAgentLocation location = (IAgentLocation)agent.getService(IAgentLocation.SERVICE_NAME);
return URIUtil.toFile(location.getRootLocation());
}
public static IProvisioningAgent getCurrentProvisioningAgent()
{
return getAgentManager().getCurrentAgent().getProvisioningAgent();
}
public static Agent createAgent(File agentLocation)
{
return new AgentImpl((AgentManagerImpl)P2Util.getAgentManager(), agentLocation);
}
public static Set<String> getKnownRepositories(IRepositoryManager<?> manager)
{
Set<String> result = new HashSet<String>();
for (URI uri : manager.getKnownRepositories(IRepositoryManager.REPOSITORIES_NON_SYSTEM))
{
result.add(uri.toString());
}
return result;
}
public static File getCacheFile(URI uri)
{
Agent agent = getAgentManager().getCurrentAgent();
IMetadataRepositoryManager manager = agent.getMetadataRepositoryManager();
if (manager instanceof CachingRepositoryManager)
{
CachingTransport transport = ((CachingRepositoryManager<?>)manager).getTransport();
if (transport != null)
{
return transport.getCacheFile(uri);
}
}
return null;
}
@SuppressWarnings("all")
public static <T> Iterable<T> asIterable(final IQueryResult<T> queryResult)
{
if (queryResult instanceof Iterable<?>)
{
return Iterable.class.cast(queryResult);
}
return new Iterable<T>()
{
public Iterator<T> iterator()
{
return queryResult.iterator();
}
};
}
@SuppressWarnings("restriction")
public static boolean isSimpleRequiredCapability(IRequirement requirement)
{
return requirement instanceof org.eclipse.equinox.internal.p2.metadata.IRequiredCapability;
}
public static String getName(IInstallableUnit iu)
{
String name = iu.getProperty(IInstallableUnit.PROP_NAME, null);
if (StringUtil.isEmpty(name))
{
return iu.getId();
}
return name;
}
@SuppressWarnings("unused")
private static InstallableUnitDescription createDescription(IInstallableUnit iu)
{
InstallableUnitDescription description = new MetadataFactory.InstallableUnitDescription();
description.setId(iu.getId());
description.setVersion(iu.getVersion());
Collection<IArtifactKey> artifacts = iu.getArtifacts();
description.setArtifacts(artifacts.toArray(new IArtifactKey[artifacts.size()]));
Collection<IProvidedCapability> providedCapabilities = iu.getProvidedCapabilities();
description.setCapabilities(providedCapabilities.toArray(new IProvidedCapability[providedCapabilities.size()]));
description.setCopyright(iu.getCopyright());
IMatchExpression<IInstallableUnit> filter = iu.getFilter();
description.setFilter(filter);
Collection<ILicense> licenses = iu.getLicenses();
description.setLicenses(licenses.toArray(new ILicense[licenses.size()]));
Collection<IRequirement> metaRequirements = iu.getMetaRequirements();
description.setMetaRequirements(metaRequirements.toArray(new IRequirement[metaRequirements.size()]));
Collection<IRequirement> requirements = iu.getRequirements();
description.setRequirements(requirements.toArray(new IRequirement[requirements.size()]));
description.setSingleton(iu.isSingleton());
description.setTouchpointType(iu.getTouchpointType());
description.setUpdateDescriptor(iu.getUpdateDescriptor());
for (Iterator<Entry<String, String>> iterator = iu.getProperties().entrySet().iterator(); iterator.hasNext();)
{
Entry<String, String> entry = iterator.next();
description.setProperty(entry.getKey(), entry.getValue());
}
for (ITouchpointData touchpointData : iu.getTouchpointData())
{
description.addTouchpointData(touchpointData);
}
return description;
}
/**
* @author Eike Stepper
*/
public interface VersionedIdFilter
{
public boolean matches(IVersionedId versionedId);
}
}
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