/*
* $Id: MapEntryRule.java,v 1.7 2006/05/26 01:10:39 rlubke Exp $
*/
/*
* The contents of this file are subject to the terms
* of the Common Development and Distribution License
* (the License). You may not use this file except in
* compliance with the License.
*
* You can obtain a copy of the License at
* https://javaserverfaces.dev.java.net/CDDL.html or
* legal/CDDLv1.0.txt.
* See the License for the specific language governing
* permission and limitations under the License.
*
* When distributing Covered Code, include this CDDL
* Header Notice in each file and include the License file
* at legal/CDDLv1.0.txt.
* If applicable, add the following below the CDDL Header,
* with the fields enclosed by brackets [] replaced by
* your own identifying information:
* "Portions Copyrighted [year] [name of copyright owner]"
*
* [Name of File] [ver.__] [Date]
*
* Copyright 2005 Sun Microsystems Inc. All Rights Reserved
*/
package com.sun.faces.config.rules;
import org.xml.sax.Attributes;
import com.sun.faces.config.beans.MapEntriesBean;
import com.sun.faces.config.beans.MapEntryBean;
import com.sun.org.apache.commons.digester.Rule;
/**
* <p>Digester rule for the <code><map-entry></code> element.</p>
*/
public class MapEntryRule extends Rule {
private static final String CLASS_NAME =
"com.sun.faces.config.beans.MapEntryBean";
// ------------------------------------------------------------ Rule Methods
/**
* <p>Create an empty instance of <code>MapEntryBean</code>
* and push it on to the object stack.</p>
*
* @param namespace the namespace URI of the matching element, or an
* empty string if the parser is not namespace aware or the element has
* no namespace
* @param name the local name if the parser is namespace aware, or just
* the element name otherwise
* @param attributes The attribute list of this element
*
* @exception IllegalStateException if the parent stack element is not
* of type MapEntryHolder
*/
public void begin(String namespace, String name,
Attributes attributes) throws Exception {
assert digester.peek() instanceof MapEntriesBean
: "Assertion Error: Expected MapEntriesBean to be at the top of the stack";
if (digester.getLogger().isDebugEnabled()) {
digester.getLogger().debug("[MapEntryRule]{" +
digester.getMatch() +
"} Push " + CLASS_NAME);
}
Class clazz =
digester.getClassLoader().loadClass(CLASS_NAME);
MapEntryBean meb = (MapEntryBean) clazz.newInstance();
digester.push(meb);
}
/**
* <p>No body processing is requlred.</p>
*
* @param namespace the namespace URI of the matching element, or an
* empty string if the parser is not namespace aware or the element has
* no namespace
* @param name the local name if the parser is namespace aware, or just
* the element name otherwise
* @param text The text of the body of this element
*/
public void body(String namespace, String name,
String text) throws Exception {
}
/**
* <p>Pop the <code>MapEntryBean</code> off the top of the stack,
* and add the new entry.</p>
*
* @param namespace the namespace URI of the matching element, or an
* empty string if the parser is not namespace aware or the element has
* no namespace
* @param name the local name if the parser is namespace aware, or just
* the element name otherwise
*
* @exception IllegalStateException if the popped object is not
* of the correct type
*/
public void end(String namespace, String name) throws Exception {
MapEntryBean top = null;
try {
top = (MapEntryBean) digester.pop();
} catch (Exception e) {
throw new IllegalStateException("Popped object is not a " +
CLASS_NAME + " instance");
}
MapEntriesBean mesb = (MapEntriesBean) digester.peek();
if (digester.getLogger().isDebugEnabled()) {
digester.getLogger().debug("[MapEntryRule]{" +
digester.getMatch() +
"} Add");
}
mesb.addMapEntry(top);
}
/**
* <p>No finish processing is required.</p>
*
*/
public void finish() throws Exception {
}
// ---------------------------------------------------------- Public Methods
public String toString() {
StringBuffer sb = new StringBuffer("MapEntryRule[className=");
sb.append(CLASS_NAME);
sb.append("]");
return (sb.toString());
}
// --------------------------------------------------------- Package Methods
}