/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to you 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.test.mock;

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

/**
 * <p>Mock implementation of <code>ApplicationFactory</code>.</p>
 *
 * $Id$
 */

public class MockApplicationFactory extends ApplicationFactory {


    // ------------------------------------------------------------ Constructors


    /**
     * <p>Construct a default instance.</p>
     */
    public MockApplicationFactory() {

    }


    // ----------------------------------------------------- Mock Object Methods


    // ------------------------------------------------------ Instance Variables


    /**
     * <p>The <code>Application</code> instance to be returned by
     * this factory.</p>
     */
    private Application application = null;


    // --------------------------------------------- AppolicationFactory Methods


    /** {@inheritDoc} */
    public Application getApplication() {

        if (this.application == null) {
            Class clazz = null;
            
            try {
                clazz = this.getClass().getClassLoader().loadClass
                  ("org.apache.myfaces.test.mock.MockApplication20");
                this.application = (MockApplication) clazz.newInstance();
            } catch (NoClassDefFoundError e) {
                clazz = null; // We are not running in a JSF 1.2 environment
            } catch (ClassNotFoundException e) {
                clazz = null; // Same as above
            } catch (RuntimeException e) {
                throw e;
            } catch (Exception e) {
                throw new FacesException(e);
            }
            
            if (clazz == null)
            {
                try {
                    clazz = this.getClass().getClassLoader().loadClass
                      ("org.apache.myfaces.test.mock.MockApplication12");
                    this.application = (MockApplication) clazz.newInstance();
                } catch (NoClassDefFoundError e) {
                    clazz = null; // We are not running in a JSF 1.2 environment
                } catch (ClassNotFoundException e) {
                    clazz = null; // Same as above
                } catch (RuntimeException e) {
                    throw e;
                } catch (Exception e) {
                    throw new FacesException(e);
                }
            }
            if (clazz == null) {
                try {
                    clazz = this.getClass().getClassLoader().loadClass
                      ("org.apache.myfaces.test.mock.MockApplication");
                    this.application = (MockApplication) clazz.newInstance();
                } catch (RuntimeException e) {
                    throw e;
                } catch (Exception e) {
                    throw new FacesException(e);
                }
            }
        }
        return this.application;

    }


    /** {@inheritDoc} */
    public void setApplication(Application application) {

        this.application = application;

    }


}