ApplicationFactoryImpl.java

/*
 * Copyright 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.myfaces.application;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import javax.faces.application.Application;
import javax.faces.application.ApplicationFactory;

/**
 * @author Manfred Geiler (latest modification by $Author$)
 * @author Thomas Spiegl
 * @version $Revision$ $Date$
 */
public class ApplicationFactoryImpl
    extends ApplicationFactory
{
    private static final Log log = LogFactory.getLog(ApplicationFactoryImpl.class);

    /**
     * Application is thread-safe (see Application javadoc)
     * "Application represents a per-web-application singleton object..."
     * FactoryFinder has a ClassLoader-Factory Map. Since each webapp has it's
     * own ClassLoader, each webapp will have it's own private factory instances.
     */
    private Application _application;

    public ApplicationFactoryImpl()
    {
        _application = new ApplicationImpl();
        if (log.isTraceEnabled()) log.trace("New ApplicationFactory instance created");
    }

    public Application getApplication()
    {
        return _application;
    }

    public void setApplication(Application application)
    {
        if (application == null)
        {
            throw new NullPointerException("Cannot set a null application in the ApplicationFactory");
        }
        _application = application;
    }

}