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1 /* 2 * 3 * ==================================================================== 4 * 5 * The Apache Software License, Version 1.1 6 * 7 * Copyright (c) 1999 The Apache Software Foundation. All rights 8 * reserved. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in 19 * the documentation and/or other materials provided with the 20 * distribution. 21 * 22 * 3. The end-user documentation included with the redistribution, if 23 * any, must include the following acknowlegement: 24 * "This product includes software developed by the 25 * Apache Software Foundation (http://www.apache.org/)." 26 * Alternately, this acknowlegement may appear in the software itself, 27 * if and wherever such third-party acknowlegements normally appear. 28 * 29 * 4. The names "The Jakarta Project", "Tomcat", and "Apache Software 30 * Foundation" must not be used to endorse or promote products derived 31 * from this software without prior written permission. For written 32 * permission, please contact apache@apache.org. 33 * 34 * 5. Products derived from this software may not be called "Apache" 35 * nor may "Apache" appear in their names without prior written 36 * permission of the Apache Group. 37 * 38 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED 39 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 40 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 41 * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR 42 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 43 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 44 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 45 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 46 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 47 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 48 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 49 * SUCH DAMAGE. 50 * ==================================================================== 51 * 52 * This software consists of voluntary contributions made by many 53 * individuals on behalf of the Apache Software Foundation. For more 54 * information on the Apache Software Foundation, please see 55 * <http://www.apache.org/>;. 56 * 57 */ 58 59 package org.apache.commons.jelly.tags.werkz; 60 61 import com.werken.werkz.Goal; 62 import com.werken.werkz.Action; 63 import com.werken.werkz.DefaultAction; 64 import com.werken.werkz.CyclicGoalChainException; 65 66 import java.util.Iterator; 67 import java.util.List; 68 import java.util.StringTokenizer; 69 70 import org.apache.commons.jelly.JellyException; 71 import org.apache.commons.jelly.XMLOutput; 72 73 import org.apache.commons.logging.Log; 74 import org.apache.commons.logging.LogFactory; 75 76 /*** 77 * Implements a <target> tag which is similar to the Ant equivalent tag 78 * but is based on the Werkz goal engine. 79 * 80 * @author <a href="mailto:jstrachan@apache.org">James Strachan</a> 81 * @version $Revision: 1.6 $ 82 */ 83 public class GoalTag extends WerkzTagSupport { 84 85 /*** The Log to which logging calls will be made. */ 86 private Log log = LogFactory.getLog(GoalTag.class); 87 88 /*** the name of the target */ 89 private String name; 90 91 private String prereqs; 92 93 private String description; 94 95 public GoalTag() { 96 } 97 98 99 // Tag interface 100 //------------------------------------------------------------------------- 101 102 /*** 103 * Evaluate the body to register all the various goals and pre/post conditions 104 * then run all the current targets 105 */ 106 public void doTag(final XMLOutput output) throws Exception { 107 108 log.debug("doTag(..):" + name); 109 110 Goal goal = getProject().getGoal( getName(), 111 true ); 112 113 goal.setDescription( this.description ); 114 addPrereqs( goal ); 115 116 Action action = new DefaultAction() { 117 public void performAction() throws Exception { 118 log.debug("Running action of target: " + getName() ); 119 invokeBody(output); 120 } 121 }; 122 123 goal.setAction( action ); 124 } 125 126 127 // Properties 128 //------------------------------------------------------------------------- 129 /*** 130 * @return the name of the target 131 */ 132 public String getName() { 133 return name; 134 } 135 136 /*** 137 * Sets the name of the target 138 */ 139 public void setName(String name) { 140 log.debug("setName(" + name + ")" ); 141 this.name = name; 142 } 143 144 public void setPrereqs(String prereqs) { 145 this.prereqs = prereqs; 146 } 147 148 public String getPrereqs() { 149 return this.prereqs; 150 } 151 152 public void setDescription(String description) { 153 this.description = description; 154 } 155 156 157 protected void addPrereqs(Goal goal) throws CyclicGoalChainException 158 { 159 String prereqs = getPrereqs(); 160 161 if ( prereqs == null ) 162 { 163 return; 164 } 165 166 StringTokenizer tokens = new StringTokenizer( getPrereqs(), 167 "," ); 168 169 String eachToken = null; 170 Goal eachPrereq = null; 171 172 while ( tokens.hasMoreTokens() ) 173 { 174 eachToken = tokens.nextToken().trim(); 175 176 eachPrereq = getProject().getGoal( eachToken, true ); 177 178 goal.addPrerequisite( eachPrereq ); 179 } 180 } 181 }

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