001 /* 002 * Copyright (C) 2006-2007 the original author or authors. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016 017 package org.codehaus.gmaven.runtime.support; 018 019 import org.codehaus.gmaven.feature.ComponentException; 020 import org.codehaus.gmaven.feature.Configuration; 021 import org.codehaus.gmaven.feature.Feature; 022 import org.codehaus.gmaven.feature.support.ComponentSupport; 023 import org.codehaus.gmaven.runtime.util.Compiler; 024 025 import java.io.File; 026 import java.net.MalformedURLException; 027 import java.net.URL; 028 import java.util.Collection; 029 import java.util.Collections; 030 import java.util.HashSet; 031 import java.util.Set; 032 033 /** 034 * Support for {@link Compiler} component implementations. 035 * 036 * @version $Id: CompilerSupport.java 49 2009-10-16 14:03:56Z user57 $ 037 * @author <a href="mailto:jason@planet57.com">Jason Dillon</a> 038 */ 039 public abstract class CompilerSupport 040 extends ComponentSupport 041 implements Compiler 042 { 043 protected final Set sources = new HashSet(); 044 045 protected File targetDir; 046 047 private URL[] classPath; 048 049 protected CompilerSupport(final Feature feature, final Configuration config) { 050 super(feature, config); 051 } 052 053 protected CompilerSupport(final Feature feature) { 054 super(feature); 055 } 056 057 public void setTargetDirectory(final File dir) { 058 assert dir != null; 059 060 this.targetDir = dir; 061 } 062 063 public File getTargetDirectory() { 064 if (targetDir == null) { 065 throw new IllegalStateException("Target directory not bound"); 066 } 067 068 return targetDir; 069 } 070 071 public void add(final URL source) { 072 assert source != null; 073 074 sources.add(source); 075 log.debug("Added: {}", source); 076 } 077 078 public void add(final File source) { 079 assert source != null; 080 081 try { 082 add(source.toURI().toURL()); 083 } 084 catch (MalformedURLException e) { 085 throw new ComponentException("Failed to coerce File to URL: " + source, e); 086 } 087 } 088 089 public Collection sources() { 090 return Collections.unmodifiableCollection(sources); 091 } 092 093 public void setClassPath(final URL[] urls) { 094 assert urls != null && urls.length > 0; 095 096 this.classPath = urls; 097 } 098 099 public URL[] getClassPath() { 100 if (classPath == null) { 101 return new URL[0]; 102 } 103 104 return classPath; 105 } 106 }