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.v1_7; 018 019 import groovy.lang.Closure; 020 import groovy.util.AntBuilder; 021 import org.apache.tools.ant.BuildLogger; 022 import org.codehaus.gmaven.feature.Component; 023 import org.codehaus.gmaven.feature.ComponentException; 024 import org.codehaus.gmaven.feature.support.FeatureSupport; 025 import org.codehaus.gmaven.runtime.ClassFactory; 026 import org.codehaus.gmaven.runtime.ScriptExecutor; 027 import org.codehaus.gmaven.runtime.support.ScriptExecutorSupport; 028 import org.codehaus.gmaven.runtime.util.Callable; 029 import org.codehaus.gmaven.runtime.util.MagicAttribute; 030 031 /** 032 * Provides the script execution feature. 033 * 034 * @version $Id: ScriptExecutorFeature.java 49 2009-10-16 14:03:56Z user57 $ 035 * @author <a href="mailto:jason@planet57.com">Jason Dillon</a> 036 */ 037 public class ScriptExecutorFeature 038 extends FeatureSupport 039 { 040 public ScriptExecutorFeature() { 041 super(ScriptExecutor.KEY); 042 } 043 044 @Override 045 protected Component doCreate() throws Exception { 046 return new ScriptExecutorImpl(); 047 } 048 049 // 050 // ScriptExecutorImpl 051 // 052 053 private class ScriptExecutorImpl 054 extends ScriptExecutorSupport 055 { 056 private ScriptExecutorImpl() throws Exception { 057 super(ScriptExecutorFeature.this); 058 } 059 060 @Override 061 protected ClassFactory getClassFactory() { 062 try { 063 return (ClassFactory) provider().feature(ClassFactory.KEY).create(config()); 064 } 065 catch (Exception e) { 066 throw new ComponentException(e); 067 } 068 } 069 070 @Override 071 protected Object createClosure(final Callable target) { 072 assert target != null; 073 074 return new Closure(this) { 075 public Object call(final Object[] args) { 076 try { 077 return target.call(args); 078 } 079 catch (Exception e) { 080 return throwRuntimeException(e); 081 } 082 } 083 }; 084 } 085 086 private AntBuilder createAntBuilder() { 087 AntBuilder ant = new AntBuilder(); 088 089 Object obj = ant.getAntProject().getBuildListeners().elementAt(0); 090 091 if (obj instanceof BuildLogger) { 092 BuildLogger logger = (BuildLogger)obj; 093 094 logger.setEmacsMode(true); 095 } 096 097 return ant; 098 } 099 100 @Override 101 protected Object createMagicAttribute(final MagicAttribute attr) { 102 assert attr != null; 103 104 if (attr == MagicAttribute.ANT_BUILDER) { 105 return createAntBuilder(); 106 } 107 108 throw new ComponentException("Unknown magic attribute: " + attr); 109 } 110 } 111 }