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1 /* 2 * Copyright (c) 2003 Scott Howlett & Paul Libbrecht. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in 14 * the documentation and/or other materials provided with the 15 * distribution. 16 * 17 * 3. The end-user documentation included with the redistribution, 18 * if any, must include the following acknowledgment: 19 * "This product includes software developed by the Xwing 20 * Project ( http://xwing.sourceforge.net/ )." 21 * Alternately, this acknowledgment may appear in the software itself, 22 * if and wherever such third-party acknowledgments normally appear. 23 * 24 * 4. The name "Xwing" must not be used to endorse or promote products 25 * derived from this software without prior written permission. For 26 * written permission, please contact the project authors via 27 * the Xwing project site, http://xwing.sourceforge.net/ . 28 * 29 * 5. Products derived from this software may not be called "Xwing", 30 * nor may "Xwing" appear in their name, without prior written 31 * permission of the Xwing project. 32 * 33 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED 34 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 35 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 36 * DISCLAIMED. IN NO EVENT SHALL THE XWING AUTHORS OR THE PROJECT 37 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 38 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 39 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 40 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 41 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 42 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 43 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 44 * SUCH DAMAGE. 45 * 46 * For more information on Xwing, please see 47 * < http://xwing.sourceforge.net/ >. 48 */ 49 package net.sourceforge.xwing.jelly.tags.dom; 50 51 import org.apache.commons.jelly.JellyTagException; 52 import org.apache.commons.jelly.MissingAttributeException; 53 import org.apache.commons.jelly.TagSupport; 54 import org.apache.commons.jelly.XMLOutput; 55 import org.w3c.dom.Attr; 56 import org.w3c.dom.Element; 57 import org.w3c.dom.Node; 58 import org.w3c.dom.NodeList; 59 60 public class CloneTag extends TagSupport { 61 62 private String var; 63 private Node node; 64 private String name; 65 66 public void setVar(String var) { 67 this.var = var; 68 } 69 70 public void setNode(Node node) { 71 this.node = node; 72 } 73 74 public void setName(String name) { 75 this.name = name; 76 } 77 78 public void doTag(XMLOutput output) 79 throws MissingAttributeException, JellyTagException { 80 81 if (node == null) { 82 throw new MissingAttributeException("node"); 83 } 84 85 if (var == null) { 86 throw new MissingAttributeException("var"); 87 } 88 89 Node newNode = null; 90 91 if (name == null) { 92 newNode = node.cloneNode(true); 93 } else { 94 if (node instanceof Element) { 95 newNode = node.getOwnerDocument().createElement(name); 96 } else if (node instanceof Attr) { 97 newNode = node.getOwnerDocument().createAttribute(name); 98 } else { 99 throw new JellyTagException( 100 "Only elements and " + "attributes may have names."); 101 } 102 103 NodeList kids = node.getChildNodes(); 104 for (int i = 0; i < kids.getLength(); ++i) { 105 newNode.appendChild(kids.item(i).cloneNode(true)); 106 } 107 108 } 109 110 context.setVariable(var, newNode); 111 } 112 }

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