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1 /* 2 * $Header: /home/cvs/jakarta-commons-sandbox/jelly/src/java/org/apache/commons/jelly/tags/jeez/JeezTagLibrary.java,v 1.7 2002/08/27 14:04:29 jstrachan Exp $ 3 * $Revision: 1.7 $ 4 * $Date: 2002/08/27 14:04:29 $ 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: JeezTagLibrary.java,v 1.7 2002/08/27 14:04:29 jstrachan Exp $ 61 */ 62 63 package org.apache.commons.jelly.tags.jeez; 64 65 import java.util.Iterator; 66 import java.util.List; 67 import java.util.Set; 68 import java.util.HashSet; 69 70 import org.apache.commons.jelly.JellyContext; 71 import org.apache.commons.jelly.JellyException; 72 import org.apache.commons.jelly.impl.TagScript; 73 import org.apache.commons.jelly.Script; 74 import org.apache.commons.jelly.Tag; 75 import org.apache.commons.jelly.TagLibrary; 76 import org.apache.commons.jelly.impl.BeanTagScript; 77 import org.apache.commons.jelly.impl.DynamicTagLibrary; 78 import org.apache.commons.jelly.impl.DynaTagScript; 79 import org.apache.commons.jelly.impl.TagFactory; 80 import org.apache.commons.jelly.tags.ant.AntTagLibrary; 81 import org.apache.commons.jelly.tags.werkz.WerkzTagLibrary; 82 // import org.apache.commons.jelly.tags.core.CoreTagLibrary; 83 84 import org.apache.tools.ant.Project; 85 86 import org.apache.commons.logging.Log; 87 import org.apache.commons.logging.LogFactory; 88 89 import org.xml.sax.Attributes; 90 91 /*** Convenience taglib that puts jelly:core, jelly:werkz and jelly:ant 92 * into a single namespace. 93 * 94 * @author <a href="mailto:bob@eng.werken.com">bob mcwhirter</a> 95 * @version $Revision: 1.7 $ 96 */ 97 public class JeezTagLibrary extends DynamicTagLibrary { 98 99 /*** The Log to which logging calls will be made. */ 100 private Log log = LogFactory.getLog(JeezTagLibrary.class); 101 102 /*** jelly:core taglib. */ 103 // private TagLibrary coreTagLib = new CoreTagLibrary(); 104 105 /*** jelly:werkz taglib. */ 106 private TagLibrary werkzTagLib = new WerkzTagLibrary(); 107 108 /*** jelly:ant taglib. */ 109 private AntTagLibrary antTagLib= new AntTagLibrary(); 110 111 public TagScript createTagScript( 112 final String name, 113 Attributes attrs 114 ) throws Exception { 115 116 if ( name.equals( "tagdef" ) ) { 117 return new BeanTagScript( 118 new TagFactory() { 119 public Tag createTag() { 120 return new TagDefTag( JeezTagLibrary.this ); 121 } 122 } 123 ); 124 } 125 if ( name.equals( "target" ) ) { 126 return new BeanTagScript( 127 new TagFactory() { 128 public Tag createTag() { 129 return new TargetTag(); 130 } 131 } 132 ); 133 } 134 TagScript script = this.werkzTagLib.createTagScript( name, attrs ); 135 if ( script == null ) { 136 script = antTagLib.createCustomTagScript( name, attrs ); 137 if ( script == null ) { 138 return new DynaTagScript( 139 new TagFactory() { 140 public Tag createTag() throws Exception { 141 // lets try create a dynamic tag first 142 Tag tag = JeezTagLibrary.this.createTag(name); 143 if ( tag != null ) { 144 return tag; 145 } 146 else { 147 return antTagLib.createTag( name ); 148 } 149 } 150 } 151 ); 152 } 153 } 154 return script; 155 } 156 }

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