001package org.eclipse.aether.internal.impl;
002
003/*
004 * Licensed to the Apache Software Foundation (ASF) under one
005 * or more contributor license agreements.  See the NOTICE file
006 * distributed with this work for additional information
007 * regarding copyright ownership.  The ASF licenses this file
008 * to you under the Apache License, Version 2.0 (the
009 * "License"); you may not use this file except in compliance
010 * with the License.  You may obtain a copy of the License at
011 * 
012 *  http://www.apache.org/licenses/LICENSE-2.0
013 * 
014 * Unless required by applicable law or agreed to in writing,
015 * software distributed under the License is distributed on an
016 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
017 * KIND, either express or implied.  See the License for the
018 * specific language governing permissions and limitations
019 * under the License.
020 */
021
022import javax.inject.Inject;
023import javax.inject.Named;
024
025import org.eclipse.aether.RepositorySystemSession;
026import org.eclipse.aether.repository.LocalRepository;
027import org.eclipse.aether.repository.LocalRepositoryManager;
028import org.eclipse.aether.repository.NoLocalRepositoryManagerException;
029import org.eclipse.aether.spi.localrepo.LocalRepositoryManagerFactory;
030import org.eclipse.aether.spi.locator.Service;
031import org.eclipse.aether.spi.locator.ServiceLocator;
032import org.eclipse.aether.spi.log.Logger;
033import org.eclipse.aether.spi.log.LoggerFactory;
034import org.eclipse.aether.spi.log.NullLoggerFactory;
035
036/**
037 * Creates enhanced local repository managers for repository types {@code "default"} or {@code "" (automatic)}. Enhanced
038 * local repository manager is built upon the classical Maven 2.0 local repository structure but additionally keeps
039 * track of from what repositories a cached artifact was resolved. Resolution of locally cached artifacts will be
040 * rejected in case the current resolution request does not match the known source repositories of an artifact, thereby
041 * emulating physically separated artifact caches per remote repository.
042 */
043@Named( "enhanced" )
044public class EnhancedLocalRepositoryManagerFactory
045    implements LocalRepositoryManagerFactory, Service
046{
047
048    private Logger logger = NullLoggerFactory.LOGGER;
049
050    private float priority = 10;
051
052    public EnhancedLocalRepositoryManagerFactory()
053    {
054        // enable no-arg constructor
055    }
056
057    @Inject
058    EnhancedLocalRepositoryManagerFactory( LoggerFactory loggerFactory )
059    {
060        setLoggerFactory( loggerFactory );
061    }
062
063    public LocalRepositoryManager newInstance( RepositorySystemSession session, LocalRepository repository )
064        throws NoLocalRepositoryManagerException
065    {
066        if ( "".equals( repository.getContentType() ) || "default".equals( repository.getContentType() ) )
067        {
068            return new EnhancedLocalRepositoryManager( repository.getBasedir(), session ).setLogger( logger );
069        }
070        else
071        {
072            throw new NoLocalRepositoryManagerException( repository );
073        }
074    }
075
076    public void initService( ServiceLocator locator )
077    {
078        setLoggerFactory( locator.getService( LoggerFactory.class ) );
079    }
080
081    public EnhancedLocalRepositoryManagerFactory setLoggerFactory( LoggerFactory loggerFactory )
082    {
083        this.logger = NullLoggerFactory.getSafeLogger( loggerFactory, EnhancedLocalRepositoryManager.class );
084        return this;
085    }
086
087    public float getPriority()
088    {
089        return priority;
090    }
091
092    /**
093     * Sets the priority of this component.
094     * 
095     * @param priority The priority.
096     * @return This component for chaining, never {@code null}.
097     */
098    public EnhancedLocalRepositoryManagerFactory setPriority( float priority )
099    {
100        this.priority = priority;
101        return this;
102    }
103
104}