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.Named;
023
024import org.eclipse.aether.RepositorySystemSession;
025import org.eclipse.aether.repository.LocalRepository;
026import org.eclipse.aether.repository.LocalRepositoryManager;
027import org.eclipse.aether.repository.NoLocalRepositoryManagerException;
028import org.eclipse.aether.spi.localrepo.LocalRepositoryManagerFactory;
029
030/**
031 * Creates enhanced local repository managers for repository types {@code "default"} or {@code "" (automatic)}. Enhanced
032 * local repository manager is built upon the classical Maven 2.0 local repository structure but additionally keeps
033 * track of from what repositories a cached artifact was resolved. Resolution of locally cached artifacts will be
034 * rejected in case the current resolution request does not match the known source repositories of an artifact, thereby
035 * emulating physically separated artifact caches per remote repository.
036 */
037@Named( "enhanced" )
038public class EnhancedLocalRepositoryManagerFactory
039    implements LocalRepositoryManagerFactory
040{
041    private float priority = 10.0f;
042
043    public EnhancedLocalRepositoryManagerFactory()
044    {
045        // enable no-arg constructor
046    }
047
048    public LocalRepositoryManager newInstance( RepositorySystemSession session, LocalRepository repository )
049        throws NoLocalRepositoryManagerException
050    {
051        if ( "".equals( repository.getContentType() ) || "default".equals( repository.getContentType() ) )
052        {
053            return new EnhancedLocalRepositoryManager( repository.getBasedir(), session );
054        }
055        else
056        {
057            throw new NoLocalRepositoryManagerException( repository );
058        }
059    }
060
061    public float getPriority()
062    {
063        return priority;
064    }
065
066    /**
067     * Sets the priority of this component.
068     * 
069     * @param priority The priority.
070     * @return This component for chaining, never {@code null}.
071     */
072    public EnhancedLocalRepositoryManagerFactory setPriority( float priority )
073    {
074        this.priority = priority;
075        return this;
076    }
077
078}