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1 /* 2 * $Header: /home/cvs/jakarta-commons-sandbox/jelly/src/java/org/apache/commons/jelly/tags/xml/ExprTag.java,v 1.8 2002/05/20 10:09:28 jstrachan Exp $ 3 * $Revision: 1.8 $ 4 * $Date: 2002/05/20 10:09:28 $ 5 * 6 * ==================================================================== 7 * 8 * The Apache Software License, Version 1.1 9 * 10 * Copyright (c) 1999-2002 The Apache Software Foundation. All rights 11 * reserved. 12 * 13 * Redistribution and use in source and binary forms, with or without 14 * modification, are permitted provided that the following conditions 15 * are met: 16 * 17 * 1. Redistributions of source code must retain the above copyright 18 * notice, this list of conditions and the following disclaimer. 19 * 20 * 2. Redistributions in binary form must reproduce the above copyright 21 * notice, this list of conditions and the following disclaimer in 22 * the documentation and/or other materials provided with the 23 * distribution. 24 * 25 * 3. The end-user documentation included with the redistribution, if 26 * any, must include the following acknowlegement: 27 * "This product includes software developed by the 28 * Apache Software Foundation (http://www.apache.org/)." 29 * Alternately, this acknowlegement may appear in the software itself, 30 * if and wherever such third-party acknowlegements normally appear. 31 * 32 * 4. The names "The Jakarta Project", "Commons", and "Apache Software 33 * Foundation" must not be used to endorse or promote products derived 34 * from this software without prior written permission. For written 35 * permission, please contact apache@apache.org. 36 * 37 * 5. Products derived from this software may not be called "Apache" 38 * nor may "Apache" appear in their names without prior written 39 * permission of the Apache Group. 40 * 41 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED 42 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 43 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 44 * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR 45 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 46 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 47 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 48 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 49 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 50 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 51 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 52 * SUCH DAMAGE. 53 * ==================================================================== 54 * 55 * This software consists of voluntary contributions made by many 56 * individuals on behalf of the Apache Software Foundation. For more 57 * information on the Apache Software Foundation, please see 58 * <http://www.apache.org/>;. 59 * 60 * $Id: ExprTag.java,v 1.8 2002/05/20 10:09:28 jstrachan Exp $ 61 */ 62 package org.apache.commons.jelly.tags.xml; 63 64 import org.apache.commons.jelly.JellyContext; 65 import org.apache.commons.jelly.JellyException; 66 import org.apache.commons.jelly.TagSupport; 67 import org.apache.commons.jelly.XMLOutput; 68 69 import org.xml.sax.Attributes; 70 import org.xml.sax.helpers.AttributesImpl; 71 72 /*** A tag to produce an XML element which can contain other attributes 73 * or elements like the <code><xsl:element></code> tag. 74 * 75 * @author James Strachan 76 * @version $Revision: 1.1 $ 77 */ 78 public class ElementTag extends TagSupport { 79 80 /*** The namespace URI */ 81 private String namespace; 82 83 /*** The qualified name */ 84 private String name; 85 86 /*** The XML Attributes */ 87 private AttributesImpl attributes = new AttributesImpl(); 88 89 90 public ElementTag() { 91 } 92 93 public void setAttributeValue( String name, String value ) { 94 // ### we'll assume that all attributes are in no namespace! 95 // ### this is severely limiting! 96 // ### we should be namespace aware 97 int index = attributes.getIndex("", name); 98 if (index >= 0) { 99 attributes.removeAttribute(index); 100 } 101 // treat null values as no attribute 102 if (value != null) { 103 attributes.addAttribute("", name, name, "CDATA", value.toString()); 104 } 105 } 106 107 // Tag interface 108 //------------------------------------------------------------------------- 109 public void doTag(XMLOutput output) throws Exception { 110 String localName = null; 111 int idx = name.indexOf(':'); 112 if (idx >= 0) { 113 localName = name.substring(idx + 1); 114 } 115 else { 116 localName = name; 117 } 118 output.startElement(namespace, localName, name, attributes); 119 invokeBody( output); 120 output.endElement(namespace, localName, name); 121 } 122 123 // Properties 124 //------------------------------------------------------------------------- 125 126 /*** 127 * @return the qualified name of the element 128 */ 129 public String getName() { 130 return name; 131 } 132 133 /*** 134 * Sets the qualified name of the element 135 */ 136 public void setName(String name) { 137 this.name = name; 138 } 139 140 /*** 141 * @return the namespace URI of the element 142 */ 143 public String getURI() { 144 return namespace; 145 } 146 147 /*** 148 * Sets the namespace URI of the element 149 */ 150 public void setURI(String namespace) { 151 this.namespace = namespace; 152 } 153 }

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