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1 /* 2 * $Header: /home/cvs/jakarta-commons-sandbox/jelly/src/java/org/apache/commons/jelly/impl/StaticTag.java,v 1.10 2002/07/15 11:22:27 jstrachan Exp $ 3 * $Revision: 1.10 $ 4 * $Date: 2002/07/15 11:22:27 $ 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: StaticTag.java,v 1.10 2002/07/15 11:22:27 jstrachan Exp $ 61 */ 62 package org.apache.commons.jelly.impl; 63 64 import org.apache.commons.jelly.JellyContext; 65 import org.apache.commons.jelly.DynaTag; 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 /*** 73 * <p><code>StaticTag</code> represents a static XML element 74 * which echos itself to XMLOutput when it is invoked.</p> 75 * 76 * @author <a href="mailto:jstrachan@apache.org">James Strachan</a> 77 * @version $Revision: 1.10 $ 78 */ 79 80 public class StaticTag extends TagSupport implements DynaTag { 81 82 /*** The namespace URI */ 83 private String uri; 84 85 /*** The qualified name */ 86 private String qname; 87 88 /*** The local name */ 89 private String localName; 90 91 /*** The XML Attributes */ 92 private AttributesImpl attributes = new AttributesImpl(); 93 94 public StaticTag() { 95 } 96 97 public StaticTag(String uri, String localName, String qname) { 98 this.uri = uri; 99 this.localName = localName; 100 this.qname = qname; 101 } 102 103 public String toString() { 104 return super.toString() + "[qname=" + qname + ";attributes=" + attributes + "]"; 105 } 106 107 // Tag interface 108 //------------------------------------------------------------------------- 109 public void doTag(XMLOutput output) throws Exception { 110 output.startElement(uri, localName, qname, attributes); 111 invokeBody(output); 112 output.endElement(uri, localName, qname); 113 } 114 115 // DynaTag interface 116 //------------------------------------------------------------------------- 117 public void setAttribute(String name, Object value) { 118 // ### we'll assume that all attributes are in no namespace! 119 // ### this is severely limiting! 120 // ### - Tag attributes should allow for namespace aware 121 int index = attributes.getIndex("", name); 122 if (index >= 0) { 123 attributes.removeAttribute(index); 124 } 125 // treat null values as no attribute 126 if (value != null) { 127 attributes.addAttribute("", name, name, "CDATA", value.toString()); 128 } 129 } 130 131 // Properties 132 //------------------------------------------------------------------------- 133 public String getUri() { 134 return uri; 135 } 136 137 public void setUri(String uri) { 138 this.uri = uri; 139 } 140 141 public String getQName() { 142 return qname; 143 } 144 145 public void setQName(String qname) { 146 this.qname = qname; 147 int idx = qname.indexOf(':'); 148 if (idx >= 0) { 149 this.localName = qname.substring(idx + 1); 150 } 151 else { 152 this.localName = qname; 153 } 154 } 155 156 public String getLocalName() { 157 return localName; 158 } 159 160 public void setLocalName(String localName) { 161 this.localName = localName; 162 if (qname == null || !qname.endsWith(localName)) { 163 localName = qname; 164 } 165 } 166 }

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