001 package org.apache.maven.toolchain.java;
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
022 import java.io.File;
023
024 import org.apache.maven.toolchain.MisconfiguredToolchainException;
025 import org.apache.maven.toolchain.RequirementMatcherFactory;
026 import org.apache.maven.toolchain.ToolchainFactory;
027 import org.apache.maven.toolchain.ToolchainPrivate;
028 import org.apache.maven.toolchain.model.ToolchainModel;
029 import org.codehaus.plexus.component.annotations.Component;
030 import org.codehaus.plexus.component.annotations.Requirement;
031 import org.codehaus.plexus.logging.Logger;
032 import org.codehaus.plexus.util.FileUtils;
033 import org.codehaus.plexus.util.xml.Xpp3Dom;
034
035 /**
036 *
037 * @author mkleint
038 */
039 @Component( role = ToolchainFactory.class, hint = "jdk" )
040 public class DefaultJavaToolchainFactory
041 implements ToolchainFactory
042 {
043
044 @Requirement
045 private Logger logger;
046
047 public DefaultJavaToolchainFactory()
048 {
049 }
050
051 public ToolchainPrivate createToolchain( ToolchainModel model )
052 throws MisconfiguredToolchainException
053 {
054 if ( model == null )
055 {
056 return null;
057 }
058 DefaultJavaToolChain jtc = new DefaultJavaToolChain( model, logger );
059 Xpp3Dom dom = (Xpp3Dom) model.getConfiguration();
060 Xpp3Dom javahome = dom.getChild( DefaultJavaToolChain.KEY_JAVAHOME );
061 if ( javahome == null )
062 {
063 throw new MisconfiguredToolchainException( "Java toolchain without the "
064 + DefaultJavaToolChain.KEY_JAVAHOME + " configuration element." );
065 }
066 File normal = new File( FileUtils.normalize( javahome.getValue() ) );
067 if ( normal.exists() )
068 {
069 jtc.setJavaHome( FileUtils.normalize( javahome.getValue() ) );
070 }
071 else
072 {
073 throw new MisconfiguredToolchainException( "Non-existing JDK home configuration at "
074 + normal.getAbsolutePath() );
075 }
076
077 //now populate the provides section.
078 //TODO possibly move at least parts to a utility method or abstract implementation.
079 dom = (Xpp3Dom) model.getProvides();
080 Xpp3Dom[] provides = dom.getChildren();
081 for ( int i = 0; i < provides.length; i++ )
082 {
083 String key = provides[i].getName();
084 String value = provides[i].getValue();
085 if ( value == null )
086 {
087 throw new MisconfiguredToolchainException( "Provides token '" + key + "' doesn't have any value configured." );
088 }
089 if ( "version".equals( key ) )
090 {
091 jtc.addProvideToken( key,
092 RequirementMatcherFactory.createVersionMatcher( value ) );
093 }
094 else
095 {
096 jtc.addProvideToken( key,
097 RequirementMatcherFactory.createExactMatcher( value ) );
098 }
099 }
100 return jtc;
101 }
102
103 public ToolchainPrivate createDefaultToolchain()
104 {
105 //not sure it's necessary to provide a default toolchain here.
106 //only version can be eventually supplied, and
107 return null;
108 }
109
110 protected Logger getLogger()
111 {
112 return logger;
113 }
114
115 }