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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.Project; 63 64 import org.apache.commons.jelly.JellyException; 65 import org.apache.commons.jelly.TagSupport; 66 67 /*** 68 * The abstract base class for Werkz child tags 69 * 70 * @author <a href="mailto:jstrachan@apache.org">James Strachan</a> 71 * @version $Revision: 1.8 $ 72 */ 73 public abstract class WerkzTagSupport extends TagSupport { 74 75 public WerkzTagSupport(boolean trim) { 76 super( trim ); 77 } 78 79 public WerkzTagSupport() { 80 } 81 82 83 84 85 // Implementation methods 86 //------------------------------------------------------------------------- 87 88 /*** 89 * @return the goal of the given name or 90 * throws a JellyExceptoin if the goal could not be found 91 */ 92 protected Goal getGoal(String name) throws JellyException { 93 Project project = getProject(); 94 if ( project == null ) { 95 throw new JellyException( "Must use this tag inside a <maven:project> tag" ); 96 } 97 98 // #### allow lazy creation of callbacks before the goal is defined... 99 Goal goal = project.getGoal(name, true); 100 if ( goal == null ) { 101 throw new JellyException( "No such target name: " + name ); 102 } 103 return goal; 104 } 105 106 /*** 107 * @return the goal manager instance 108 */ 109 protected Project getProject() { 110 ProjectTag tag = (ProjectTag) findAncestorWithClass(ProjectTag.class); 111 if ( tag != null) { 112 return tag.getProject(); 113 } 114 return (Project) context.findVariable( "org.apache.commons.jelly.werkz.Project" ); 115 } 116 117 118 }

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