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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.PreActionCallback; 63 64 import org.apache.commons.jelly.JellyException; 65 import org.apache.commons.jelly.XMLOutput; 66 67 import org.apache.commons.logging.Log; 68 import org.apache.commons.logging.LogFactory; 69 70 /*** 71 * Implements a <preAction> tag which provides a callback 72 * which is evaluated before an action. 73 * 74 * @author <a href="mailto:jstrachan@apache.org">James Strachan</a> 75 * @version $Revision: 1.2 $ 76 */ 77 public class PreActionTag extends CallbackTagSupport { 78 79 public PreActionTag() { 80 } 81 82 83 // Tag interface 84 //------------------------------------------------------------------------- 85 86 /*** 87 * Evaluate the body to register all the various goals and pre/post conditions 88 * then run all the current targets 89 */ 90 public void doTag(final XMLOutput output) throws Exception { 91 92 getGoal(getName()).addPreActionCallback( 93 new PreActionCallback() { 94 public void firePreAction(Goal goal) throws Exception { 95 // lets run the body 96 log.debug( "Running pre action: " + getName() ); 97 invokeBody( output); 98 } 99 } 100 ); 101 } 102 }

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