cocoon-servlet-service-impl/cocoon-servlet-service-impl-1.2.0/src/main/java/org/apache/cocoon/callstack/environment/ServletContextFactoryBean.java

/*
 * 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.cocoon.callstack.environment;

import javax.servlet.ServletContext;

import org.apache.cocoon.servletservice.ServletServiceContext;
import org.springframework.beans.factory.FactoryBean;

/**
 * {@link FactoryBean} that exposes the {@link ServletContext} in the current call
 * frame. It will typically be used together with the call scope.
 *
 * @version $Id$
 */
public final class ServletContextFactoryBean implements FactoryBean {


    public Object getObject() throws Exception {
        return CallFrameHelper.getContext();
    }

    public Class getObjectType() {
        // A ServletServiceContext rather than a ServletContext is needed to make the
        // Absolutizable interface available through the ScopedProxyFactoryBean
        return ServletServiceContext.class;
    }

    public boolean isSingleton() {
        return true;
    }

}