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1 /* 2 * $Header: /home/cvs/jakarta-commons-sandbox/jelly/src/java/org/apache/commons/jelly/impl/ScriptBlock.java,v 1.7 2002/06/13 08:16:47 jstrachan Exp $ 3 * $Revision: 1.7 $ 4 * $Date: 2002/06/13 08:16:47 $ 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: ScriptBlock.java,v 1.7 2002/06/13 08:16:47 jstrachan Exp $ 61 */ 62 package org.apache.commons.jelly.impl; 63 64 import java.io.Writer; 65 import java.util.ArrayList; 66 import java.util.Iterator; 67 import java.util.List; 68 69 import org.apache.commons.jelly.JellyContext; 70 import org.apache.commons.jelly.Script; 71 import org.apache.commons.jelly.XMLOutput; 72 73 /*** <p><code>ScriptBlock</code> a block of scripts.</p> 74 * 75 * @author <a href="mailto:jstrachan@apache.org">James Strachan</a> 76 * @version $Revision: 1.7 $ 77 */ 78 public class ScriptBlock implements Script { 79 80 /*** The list of scripts */ 81 private List list = new ArrayList(); 82 83 public ScriptBlock() { 84 } 85 86 public String toString() { 87 return super.toString() + "[scripts=" + list + "]"; 88 } 89 90 /*** Add a new script to the end of this block */ 91 public void addScript(Script script) { 92 list.add(script); 93 } 94 95 /*** Removes a script from this block */ 96 public void removeScript(Script script) { 97 list.remove(script); 98 } 99 100 /*** 101 * Gets the child scripts that make up this block. This list is live 102 * so that it can be modified if requried 103 */ 104 public List getScriptList() { 105 return list; 106 } 107 108 // Script interface 109 //------------------------------------------------------------------------- 110 public Script compile() throws Exception { 111 int size = list.size(); 112 if (size == 1) { 113 Script script = (Script) list.get(0); 114 return script.compile(); 115 } 116 // now compile children 117 for (int i = 0; i < size; i++) { 118 Script script = (Script) list.get(i); 119 list.set(i, script.compile()); 120 } 121 return this; 122 } 123 124 /*** Evaluates the body of a tag */ 125 public void run(JellyContext context, XMLOutput output) throws Exception { 126 /* 127 for (int i = 0, size = scripts.length; i < size; i++) { 128 Script script = scripts[i]; 129 script.run(context, output); 130 } 131 */ 132 for (Iterator iter = list.iterator(); iter.hasNext(); ) { 133 Script script = (Script) iter.next(); 134 script.run(context, output); 135 } 136 } 137 }

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