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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 50 package net.sourceforge.xwing.jelly.tags.dom; 51 52 import org.apache.commons.jelly.JellyTagException; 53 import org.apache.commons.jelly.MissingAttributeException; 54 import org.apache.commons.jelly.TagSupport; 55 import org.apache.commons.jelly.XMLOutput; 56 import org.w3c.dom.Node; 57 58 public class InsertTag extends TagSupport { 59 60 private Node node; 61 private String name; 62 private String text; 63 private String var; 64 private Node before; 65 66 public void setNode(Node node) { 67 this.node = node; 68 } 69 70 public void setName(String name) { 71 this.name = name; 72 } 73 74 public void setText(String text) { 75 this.text = text; 76 } 77 78 public void setVar(String var) { 79 this.var = var; 80 } 81 82 public void setBefore(Node before) { 83 this.before = before; 84 } 85 86 public void doTag(XMLOutput output) 87 throws MissingAttributeException, JellyTagException { 88 89 int num = 0; 90 if (node != null) { 91 ++num; 92 } 93 if (name != null) { 94 ++num; 95 } 96 if (text != null) { 97 ++num; 98 } 99 100 if (num != 1) { 101 throw new JellyTagException( 102 "Must specify one of " + "node, name, or text"); 103 } 104 105 if (before == null) { 106 throw new MissingAttributeException("before"); 107 } 108 109 Node parentNode = before.getParentNode(); 110 111 if (name != null) { 112 node = parentNode.getOwnerDocument().createElement(name); 113 } else if (text != null) { 114 node = parentNode.getOwnerDocument().createTextNode(text); 115 } 116 117 if (parentNode != null) { 118 parentNode.insertBefore(node, before); 119 } 120 121 if (var != null) { 122 context.setVariable(var, node); 123 } 124 } 125 }

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