com.sun.faces.scripting.groovy.ActionListenerProxy Maven / Gradle / Ivy
/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 1997-2010 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
*
* Contributor(s):
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
package com.sun.faces.scripting.groovy;
import javax.faces.event.AbortProcessingException;
import javax.faces.event.ActionEvent;
import javax.faces.event.ActionListener;
import javax.faces.FacesException;
/**
* Proxy instance for a groovy-based ActionListener. This allows the ActionListener
* to remain registered with the Application while picking up changes at runtime
* from the associated groovy script.
*/
public class ActionListenerProxy implements ActionListener {
private String scriptName;
private ActionListener alDelegate;
// ------------------------------------------------------------ Constructors
public ActionListenerProxy(String scriptName,
ActionListener alDelegate) {
this.scriptName = scriptName;
this.alDelegate = alDelegate;
}
// --------------------------------------------- Methods from ActionListener
public void processAction(ActionEvent event)
throws AbortProcessingException {
getGroovyDelegate().processAction(event);
}
// --------------------------------------------------------- Private Methods
private ActionListener getGroovyDelegate() {
try {
return ((ActionListener) GroovyHelper.newInstance(scriptName,
ActionListener.class,
alDelegate));
} catch (Exception e) {
throw new FacesException(e);
}
}
}