libraries/servlet/src/main/java/org/apache/zest/library/servlet/Qi4jServletSupport.java

/*
 * Copyright (c) 2010, Paul Merlin. All Rights Reserved.
 *
 * 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.zest.library.servlet;

import javax.servlet.ServletContext;
import org.apache.zest.api.structure.Application;
import org.apache.zest.library.servlet.lifecycle.AbstractQi4jServletBootstrap;

public final class Qi4jServletSupport
{

    public static final String APP_IN_CTX = "qi4j-application-servlet-context-attribute";

    /**
     * @param servletContext    ServletContext
     * @return                  The Application from the servlet context attribute previously set by {@link AbstractQi4jServletBootstrap}
     */
    public static Application application( ServletContext servletContext )
    {
        return ( Application ) servletContext.getAttribute( APP_IN_CTX ); // TODO try/catch and find a suitable Zest exception
    }

    private Qi4jServletSupport()
    {
    }

}