org.urbantower.j4s.EmbeddedJettyContexLoaderListener.java Source code

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Here is the source code for org.urbantower.j4s.EmbeddedJettyContexLoaderListener.java

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/**
 * Copyright 2015 vrabel.zdenko@gmail.com
 *
 * 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.urbantower.j4s;

import org.springframework.context.ApplicationContext;
import org.springframework.web.context.ContextLoaderListener;

import javax.servlet.ServletContextEvent;

/**
 * customized context loader listener that ignores 'applicationContex.xml'
 * and use the given application context as parent context.
 */
class EmbeddedJettyContexLoaderListener extends ContextLoaderListener {

    /**
     * reffering to wrapped application context
     */
    private final EmbeddedJettyWebAppContext context;

    /**
     * Constructor for regular application context
     */
    public EmbeddedJettyContexLoaderListener(ApplicationContext applicationContext) {
        this(new EmbeddedJettyWebAppContext(applicationContext));
    }

    /**
     * this is hidden constructor, use the public one
     */
    private EmbeddedJettyContexLoaderListener(EmbeddedJettyWebAppContext context) {
        super(context);
        this.context = context;
    }

    /**
     * during context initialization is filled servlet context into webapp context
     * wrapper
     * @param event
     */
    @Override
    public void contextInitialized(ServletContextEvent event) {
        context.setServletContext(event.getServletContext());
        super.contextInitialized(event);
    }

}