001package org.apache.maven.repository.legacy.resolver.conflict; 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 org.codehaus.plexus.PlexusConstants; 023import org.codehaus.plexus.PlexusContainer; 024import org.codehaus.plexus.component.annotations.Component; 025import org.codehaus.plexus.component.annotations.Requirement; 026import org.codehaus.plexus.component.repository.exception.ComponentLookupException; 027import org.codehaus.plexus.context.Context; 028import org.codehaus.plexus.context.ContextException; 029import org.codehaus.plexus.personality.plexus.lifecycle.phase.Contextualizable; 030 031/** 032 * A conflict resolver factory that obtains instances from a plexus container. 033 * 034 * @author <a href="mailto:markhobson@gmail.com">Mark Hobson</a> 035 * @todo you don't need the container in here with the active maps (jvz). 036 * @since 3.0 037 */ 038@Component( role = ConflictResolverFactory.class ) 039public class DefaultConflictResolverFactory 040 implements ConflictResolverFactory, Contextualizable 041{ 042 // fields ----------------------------------------------------------------- 043 044 /** 045 * The plexus container used to obtain instances from. 046 */ 047 @Requirement 048 private PlexusContainer container; 049 050 // ConflictResolverFactory methods ---------------------------------------- 051 052 /* 053 * @see org.apache.maven.artifact.resolver.conflict.ConflictResolverFactory#getConflictResolver(java.lang.String) 054 */ 055 056 public ConflictResolver getConflictResolver( String type ) 057 throws ConflictResolverNotFoundException 058 { 059 try 060 { 061 return (ConflictResolver) container.lookup( ConflictResolver.ROLE, type ); 062 } 063 catch ( ComponentLookupException exception ) 064 { 065 throw new ConflictResolverNotFoundException( "Cannot find conflict resolver of type: " + type ); 066 } 067 } 068 069 // Contextualizable methods ----------------------------------------------- 070 071 /* 072 * @see org.codehaus.plexus.personality.plexus.lifecycle.phase.Contextualizable#contextualize(org.codehaus.plexus.context.Context) 073 */ 074 075 public void contextualize( Context context ) 076 throws ContextException 077 { 078 container = (PlexusContainer) context.get( PlexusConstants.PLEXUS_KEY ); 079 } 080}