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AntModelResolver.java
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AntModelResolver.java
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/*******************************************************************************
* Copyright (c) 2010, 2012 Sonatype, Inc.
* 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:
* Sonatype, Inc. - initial API and implementation
*******************************************************************************/
package org.eclipse.aether.ant;
import java.io.File;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import org.apache.maven.model.Repository;
import org.apache.maven.model.building.FileModelSource;
import org.apache.maven.model.building.ModelSource;
import org.apache.maven.model.resolution.InvalidRepositoryException;
import org.apache.maven.model.resolution.ModelResolver;
import org.apache.maven.model.resolution.UnresolvableModelException;
import org.eclipse.aether.RepositorySystem;
import org.eclipse.aether.RepositorySystemSession;
import org.eclipse.aether.artifact.Artifact;
import org.eclipse.aether.artifact.DefaultArtifact;
import org.eclipse.aether.impl.RemoteRepositoryManager;
import org.eclipse.aether.repository.RemoteRepository;
import org.eclipse.aether.repository.RepositoryPolicy;
import org.eclipse.aether.resolution.ArtifactRequest;
import org.eclipse.aether.resolution.ArtifactResolutionException;
/**
* A model resolver to assist building of dependency POMs. This resolver gives priority to those repositories that have
* been initially specified and repositories discovered in dependency POMs are recessively merged into the search chain.
*
*/
class AntModelResolver
implements ModelResolver
{
private final RepositorySystemSession session;
private final String context;
private List<org.eclipse.aether.repository.RemoteRepository> repositories;
private final RepositorySystem repoSys;
private final RemoteRepositoryManager remoteRepositoryManager;
private final Set<String> repositoryIds;
public AntModelResolver( RepositorySystemSession session, String context, RepositorySystem repoSys,
RemoteRepositoryManager remoteRepositoryManager, List<RemoteRepository> repositories )
{
this.session = session;
this.context = context;
this.repoSys = repoSys;
this.remoteRepositoryManager = remoteRepositoryManager;
this.repositories = repositories;
this.repositoryIds = new HashSet<String>();
}
private AntModelResolver( AntModelResolver original )
{
this.session = original.session;
this.context = original.context;
this.repoSys = original.repoSys;
this.remoteRepositoryManager = original.remoteRepositoryManager;
this.repositories = original.repositories;
this.repositoryIds = new HashSet<String>( original.repositoryIds );
}
public void addRepository( Repository repository )
throws InvalidRepositoryException
{
if ( !repositoryIds.add( repository.getId() ) )
{
return;
}
List<RemoteRepository> newRepositories = Collections.singletonList( convert( repository ) );
this.repositories =
remoteRepositoryManager.aggregateRepositories( session, repositories, newRepositories, true );
}
static RemoteRepository convert( Repository repository )
{
RemoteRepository result =
new RemoteRepository( repository.getId(), repository.getLayout(), repository.getUrl() );
result.setPolicy( true, convert( repository.getSnapshots() ) );
result.setPolicy( false, convert( repository.getReleases() ) );
return result;
}
private static RepositoryPolicy convert( org.apache.maven.model.RepositoryPolicy policy )
{
boolean enabled = true;
String checksums = RepositoryPolicy.CHECKSUM_POLICY_WARN;
String updates = RepositoryPolicy.UPDATE_POLICY_DAILY;
if ( policy != null )
{
enabled = policy.isEnabled();
if ( policy.getUpdatePolicy() != null )
{
updates = policy.getUpdatePolicy();
}
if ( policy.getChecksumPolicy() != null )
{
checksums = policy.getChecksumPolicy();
}
}
return new RepositoryPolicy( enabled, updates, checksums );
}
public ModelResolver newCopy()
{
return new AntModelResolver( this );
}
public ModelSource resolveModel( String groupId, String artifactId, String version )
throws UnresolvableModelException
{
Artifact pomArtifact = new DefaultArtifact( groupId, artifactId, "", "pom", version );
try
{
ArtifactRequest request = new ArtifactRequest( pomArtifact, repositories, context );
pomArtifact = repoSys.resolveArtifact( session, request ).getArtifact();
}
catch ( ArtifactResolutionException e )
{
throw new UnresolvableModelException( "Failed to resolve POM for " + groupId + ":" + artifactId + ":"
+ version + " due to " + e.getMessage(), groupId, artifactId, version, e );
}
File pomFile = pomArtifact.getFile();
return new FileModelSource( pomFile );
}
}