/*
* Copyright 2002,2004 The Apache Software Foundation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.commons.jelly.impl;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import org.apache.commons.jelly.JellyContext;
import org.apache.commons.jelly.JellyException;
import org.apache.commons.jelly.JellyTagException;
import org.apache.commons.jelly.Script;
import org.apache.commons.jelly.XMLOutput;
/** <p><code>ScriptBlock</code> a block of scripts.</p>
*
* @author <a href="mailto:jstrachan@apache.org">James Strachan</a>
* @version $Revision: 1.15 $
*/
public class ScriptBlock implements Script {
/** The list of scripts */
private List list = new ArrayList();
public ScriptBlock() {
}
public String toString() {
return super.toString() + "[scripts=" + list + "]";
}
/** Add a new script to the end of this block */
public void addScript(Script script) {
list.add(script);
}
/** Removes a script from this block */
public void removeScript(Script script) {
list.remove(script);
}
/**
* Gets the child scripts that make up this block. This list is live
* so that it can be modified if requried
*/
public List getScriptList() {
return list;
}
// Script interface
//-------------------------------------------------------------------------
public Script compile() throws JellyException {
int size = list.size();
if (size == 1) {
Script script = (Script) list.get(0);
return script.compile();
}
// now compile children
for (int i = 0; i < size; i++) {
Script script = (Script) list.get(i);
list.set(i, script.compile());
}
return this;
}
/** Evaluates the body of a tag */
public void run(JellyContext context, XMLOutput output) throws JellyTagException {
/*
for (int i = 0, size = scripts.length; i < size; i++) {
Script script = scripts[i];
script.run(context, output);
}
*/
for (Iterator iter = list.iterator(); iter.hasNext(); ) {
Script script = (Script) iter.next();
script.run(context, output);
}
}
}