package org.apache.maven.repository.internal;
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
import java.util.Properties;
import org.eclipse.aether.DefaultRepositorySystemSession;
import org.eclipse.aether.artifact.DefaultArtifactType;
import org.eclipse.aether.collection.DependencyGraphTransformer;
import org.eclipse.aether.collection.DependencyManager;
import org.eclipse.aether.collection.DependencySelector;
import org.eclipse.aether.collection.DependencyTraverser;
import org.eclipse.aether.impl.ArtifactDescriptorReader;
import org.eclipse.aether.impl.DefaultServiceLocator;
import org.eclipse.aether.impl.MetadataGeneratorFactory;
import org.eclipse.aether.impl.VersionRangeResolver;
import org.eclipse.aether.impl.VersionResolver;
import org.eclipse.aether.util.artifact.DefaultArtifactTypeRegistry;
import org.eclipse.aether.util.graph.manager.ClassicDependencyManager;
import org.eclipse.aether.util.graph.selector.AndDependencySelector;
import org.eclipse.aether.util.graph.selector.ExclusionDependencySelector;
import org.eclipse.aether.util.graph.selector.OptionalDependencySelector;
import org.eclipse.aether.util.graph.selector.ScopeDependencySelector;
import org.eclipse.aether.util.graph.transformer.ChainedDependencyGraphTransformer;
import org.eclipse.aether.util.graph.transformer.ConflictResolver;
import org.eclipse.aether.util.graph.transformer.JavaDependencyContextRefiner;
import org.eclipse.aether.util.graph.transformer.JavaScopeDeriver;
import org.eclipse.aether.util.graph.transformer.JavaScopeSelector;
import org.eclipse.aether.util.graph.transformer.NearestVersionSelector;
import org.eclipse.aether.util.graph.transformer.SimpleOptionalitySelector;
import org.eclipse.aether.util.graph.traverser.FatArtifactTraverser;
import org.eclipse.aether.util.repository.SimpleArtifactDescriptorPolicy;
/**
* A utility class to assist in setting up a Maven-like repository system. <em>Note:</em> This component is meant to
* assist those clients that employ the repository system outside of an IoC container, Maven plugins should instead
* always use regular dependency injection to acquire the repository system.
*
* @author Benjamin Bentmann
*/
public final class MavenRepositorySystemUtils
{
private MavenRepositorySystemUtils()
{
// hide constructor
}
/**
* Creates a new service locator that already knows about all service implementations included in this library. To
* acquire a complete repository system, clients need to add some repository connectors for remote transfers.
*
* @return The new service locator, never {@code null}.
*/
public static DefaultServiceLocator newServiceLocator()
{
DefaultServiceLocator locator = new DefaultServiceLocator();
locator.addService( ArtifactDescriptorReader.class, DefaultArtifactDescriptorReader.class );
locator.addService( VersionResolver.class, DefaultVersionResolver.class );
locator.addService( VersionRangeResolver.class, DefaultVersionRangeResolver.class );
locator.addService( MetadataGeneratorFactory.class, SnapshotMetadataGeneratorFactory.class );
locator.addService( MetadataGeneratorFactory.class, VersionsMetadataGeneratorFactory.class );
return locator;
}
/**
* Creates a new Maven-like repository system session by initializing the session with values typical for
* Maven-based resolution. In more detail, this method configures settings relevant for the processing of dependency
* graphs, most other settings remain at their generic default value. Use the various setters to further configure
* the session with authentication, mirror, proxy and other information required for your environment.
*
* @return The new repository system session, never {@code null}.
*/
public static DefaultRepositorySystemSession newSession()
{
DefaultRepositorySystemSession session = new DefaultRepositorySystemSession();
DependencyTraverser depTraverser = new FatArtifactTraverser();
session.setDependencyTraverser( depTraverser );
DependencyManager depManager = new ClassicDependencyManager();
session.setDependencyManager( depManager );
DependencySelector depFilter =
new AndDependencySelector( new ScopeDependencySelector( "test", "provided" ),
new OptionalDependencySelector(), new ExclusionDependencySelector() );
session.setDependencySelector( depFilter );
DependencyGraphTransformer transformer =
new ConflictResolver( new NearestVersionSelector(), new JavaScopeSelector(),
new SimpleOptionalitySelector(), new JavaScopeDeriver() );
new ChainedDependencyGraphTransformer( transformer, new JavaDependencyContextRefiner() );
session.setDependencyGraphTransformer( transformer );
DefaultArtifactTypeRegistry stereotypes = new DefaultArtifactTypeRegistry();
stereotypes.add( new DefaultArtifactType( "pom" ) );
stereotypes.add( new DefaultArtifactType( "maven-plugin", "jar", "", "java" ) );
stereotypes.add( new DefaultArtifactType( "jar", "jar", "", "java" ) );
stereotypes.add( new DefaultArtifactType( "ejb", "jar", "", "java" ) );
stereotypes.add( new DefaultArtifactType( "ejb-client", "jar", "client", "java" ) );
stereotypes.add( new DefaultArtifactType( "test-jar", "jar", "tests", "java" ) );
stereotypes.add( new DefaultArtifactType( "javadoc", "jar", "javadoc", "java" ) );
stereotypes.add( new DefaultArtifactType( "java-source", "jar", "sources", "java", false, false ) );
stereotypes.add( new DefaultArtifactType( "war", "war", "", "java", false, true ) );
stereotypes.add( new DefaultArtifactType( "ear", "ear", "", "java", false, true ) );
stereotypes.add( new DefaultArtifactType( "rar", "rar", "", "java", false, true ) );
stereotypes.add( new DefaultArtifactType( "par", "par", "", "java", false, true ) );
session.setArtifactTypeRegistry( stereotypes );
session.setArtifactDescriptorPolicy( new SimpleArtifactDescriptorPolicy( true, true ) );
// MNG-5670 guard against ConcurrentModificationException
Properties sysProps = new Properties();
for ( String key : System.getProperties().stringPropertyNames() )
{
sysProps.put( key, System.getProperty( key ) );
}
session.setSystemProperties( sysProps );
session.setConfigProperties( sysProps );
return session;
}
}