simpleactioneventcontext.java

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/*
 * Copyright 2002-2004 the original author or authors.
 *
 * 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 de.mindmatters.faces.application;

import javax.faces.event.ActionEvent;

import org.springframework.util.Assert;

/**
 * Simple implementation of the ActionEventContext interface, always returning a
 * specified ActionEvent.
 * 
 * @author Andreas Kuhrwahl
 * 
 */
public final class SimpleActionEventContext implements ActionEventContext {

    /** The specified ActionEvent. */
    private final ActionEvent actionEvent;

    /**
     * Creates a simple context with the given <code>actionEvent</code>.
     * 
     * @param actionEvent
     *            the specified ActionEvent
     * @throws IllegalArgumentException
     *             if <code>actionEvent</code> is <code>null</code>
     */
    public SimpleActionEventContext(final ActionEvent actionEvent) {
        Assert.notNull(actionEvent, "ActionEvent must not be null");
        this.actionEvent = actionEvent;
    }

    /**
     * {@inheritDoc}
     */
    public ActionEvent getActionEvent() {
        return this.actionEvent;
    }

}