javax.faces.component.ActionSource2 Maven / Gradle / Ivy
Show all versions of javaee-web-api Show documentation
/*
* 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.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 javax.faces.component;
import javax.el.MethodExpression;
import javax.faces.event.ActionListener;
/**
* ActionSource2 extends {@link ActionSource} and
* provides a JavaBeans property analogous to the "action"
* property on ActionSource. The difference is the type of
* this property is a {@link MethodExpression} rather than a
* MethodBinding. This allows the
* ActionSource concept to leverage the new Unified EL
* API.
*
* @since 1.2
*/
public interface ActionSource2 extends ActionSource {
// -------------------------------------------------------------- Properties
/**
* Return the {@link MethodExpression} pointing at the application
* action to be invoked, if this {@link UIComponent} is activated by
* the user, during the Apply Request Values or Invoke
* Application phase of the request processing lifecycle,
* depending on the value of the immediate
* property.
*
* Note that it's possible that the returned
* MethodExpression is just a wrapper around a
* MethodBinding instance whith was set by a call to
* {@link ActionSource#setAction}. This makes it possible for the
* default {@link ActionListener} to continue to work properly with
* older components.
*
* @return the action expression.
*/
public MethodExpression getActionExpression();
/**
* Set the {@link MethodExpression} pointing at the appication
* action to be invoked, if this {@link UIComponent} is activated by
* the user, during the Apply Request Values or Invoke
* Application phase of the request processing lifecycle,
* depending on the value of the immediate
* property.
*
* Any method referenced by such an expression must be public, with
* a return type of String, and accept no parameters.
*
* @param action The new method expression
*/
public void setActionExpression(MethodExpression action);
}