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1 /* 2 * $Header: /home/cvs/jakarta-commons-sandbox/jelly/src/java/org/apache/commons/jelly/tags/core/IncludeTag.java,v 1.8 2002/08/23 10:29:18 jstrachan Exp $ 3 * $Revision: 1.8 $ 4 * $Date: 2002/08/23 10:29:18 $ 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: IncludeTag.java,v 1.8 2002/08/23 10:29:18 jstrachan Exp $ 61 */ 62 63 package org.apache.commons.jelly.tags.core; 64 65 import java.net.URL; 66 67 import org.apache.commons.jelly.JellyContext; 68 import org.apache.commons.jelly.MissingAttributeException; 69 import org.apache.commons.jelly.Script; 70 import org.apache.commons.jelly.TagSupport; 71 import org.apache.commons.jelly.XMLOutput; 72 73 /*** A tag which conditionally evaluates its body based on some condition 74 * 75 * @author <a href="mailto:jstrachan@apache.org">James Strachan</a> 76 * @version $Revision: 1.8 $ 77 */ 78 79 public class IncludeTag extends TagSupport { 80 81 private String uri; 82 83 private boolean shouldExport; 84 private boolean shouldInherit; 85 86 public IncludeTag() { 87 this.shouldExport = false; 88 this.shouldInherit = true; 89 } 90 91 public void setInherit(String inherit) { 92 if ( "true".equals( inherit ) ) { 93 this.shouldInherit = true; 94 } 95 } 96 97 public void setExport(String export) { 98 if ( "true".equals( export ) ) { 99 this.shouldExport = true; 100 } 101 } 102 103 public boolean isInherit() { 104 return this.shouldInherit; 105 } 106 107 public boolean isExport() { 108 return this.shouldExport; 109 } 110 111 // Tag interface 112 113 //------------------------------------------------------------------------- 114 115 public void doTag(XMLOutput output) throws Exception { 116 117 if (uri == null) { 118 119 throw new MissingAttributeException( "uri" ); 120 121 } 122 123 // we need to create a new JellyContext of the URI 124 125 // take off the script name from the URL 126 127 context.runScript(uri, output, isExport(), isInherit() ); 128 } 129 130 // Properties 131 132 //------------------------------------------------------------------------- 133 134 /*** Sets the URI (relative URI or absolute URL) for the script to evaluate. */ 135 136 public void setUri(String uri) { 137 138 this.uri = uri; 139 140 } 141 142 }

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