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/*
* Copyright (c) 2014, 2015, 2017 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 v2.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v20.html
*
* Contributors:
* Eike Stepper - initial API and implementation
*/
package org.eclipse.oomph.p2.core;
import org.eclipse.oomph.p2.RepositoryType;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.equinox.p2.metadata.IArtifactKey;
import org.eclipse.equinox.p2.metadata.IInstallableUnit;
import org.eclipse.equinox.p2.repository.IRepository;
import org.eclipse.equinox.p2.repository.IRepositoryManager;
import org.eclipse.equinox.p2.repository.artifact.IArtifactRepository;
import org.eclipse.equinox.p2.repository.artifact.IArtifactRepositoryManager;
import org.eclipse.equinox.p2.repository.metadata.IMetadataRepository;
import org.eclipse.equinox.p2.repository.metadata.IMetadataRepositoryManager;
import java.net.URI;
import java.util.HashMap;
import java.util.Map;
/**
* @author Eike Stepper
*/
public abstract class RepositoryProviderMap<M extends IRepositoryManager<T>, R extends IRepository<T>, T, P extends RepositoryProvider<M, R, T>>
{
private final Map<URI, P> providers = new HashMap<URI, P>();
private final M repositoryManager;
public RepositoryProviderMap(M repositoryManager)
{
this.repositoryManager = repositoryManager;
}
public final M getRepositoryManager()
{
return repositoryManager;
}
public final P getRepositoryProvider(URI location)
{
P provider = providers.get(location);
if (provider == null)
{
provider = createProvider(location);
}
return provider;
}
public final synchronized R getRepository(URI location)
{
return getRepository(location, new NullProgressMonitor());
}
public final synchronized R getRepository(URI location, IProgressMonitor monitor)
{
P provider = getRepositoryProvider(location);
return provider.getRepository(monitor);
}
public final synchronized R createRepository(URI location, String name, String type, Map<String, String> properties)
{
P provider = createProvider(location);
return provider.createRepository(name, type, properties);
}
public final P removeAllContent(URI location, IProgressMonitor monitor)
{
P provider = getRepositoryProvider(location);
provider.removeAllContent(monitor);
return provider;
}
public final P dispose(URI location)
{
P provider = providers.remove(location);
if (provider != null)
{
provider.dispose();
}
return provider;
}
public final void dispose()
{
for (P provider : providers.values())
{
provider.dispose();
}
providers.clear();
}
public abstract RepositoryType getRepositoryType();
protected abstract P createProvider(M repositoryManager, URI location);
private P createProvider(URI location)
{
dispose(location);
P provider = createProvider(repositoryManager, location);
providers.put(location, provider);
return provider;
}
/**
* @author Eike Stepper
*/
public static final class Metadata
extends RepositoryProviderMap<IMetadataRepositoryManager, IMetadataRepository, IInstallableUnit, RepositoryProvider.Metadata>
{
public Metadata(IMetadataRepositoryManager repositoryManager)
{
super(repositoryManager);
}
@Override
public RepositoryType getRepositoryType()
{
return RepositoryType.METADATA;
}
@Override
protected RepositoryProvider.Metadata createProvider(IMetadataRepositoryManager repositoryManager, URI location)
{
return new RepositoryProvider.Metadata(repositoryManager, location);
}
}
/**
* @author Eike Stepper
*/
public static final class Artifact extends RepositoryProviderMap<IArtifactRepositoryManager, IArtifactRepository, IArtifactKey, RepositoryProvider.Artifact>
{
public Artifact(IArtifactRepositoryManager repositoryManager)
{
super(repositoryManager);
}
@Override
public RepositoryType getRepositoryType()
{
return RepositoryType.ARTIFACT;
}
@Override
protected RepositoryProvider.Artifact createProvider(IArtifactRepositoryManager repositoryManager, URI location)
{
return new RepositoryProvider.Artifact(repositoryManager, location);
}
}
}
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