/*

  * $Id: ApplicationContextJeeConfig.java 1306435 2012-03-28 15:39:11Z nlebas $

  *

  * 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.tiles.request.velocity.render;

 import java.util.Collections;

 import java.util.Enumeration;

 import java.util.HashMap;

 import java.util.Map;

 import javax.servlet.ServletContext;

 import org.apache.tiles.request.ApplicationContext;

 import org.apache.tiles.request.servlet.ServletUtil;

 import org.apache.velocity.tools.view.JeeConfig;

 /**

  * Implements JeeConfig to use parameters set through

  * {@link VelocityRenderer#setParameter(String, String)}.

  *

  * @version $Rev: 1306435 $ $Date: 2012-03-29 02:39:11 +1100 (Thu, 29 Mar 2012) $

  */

 public class ApplicationContextJeeConfig implements JeeConfig {

     /**

      * The application context.

      */

     private ApplicationContext applicationContext;

     /**

      * The initialization parameters for VelocityView.

      */

     private Map<String, String> params;

     /**

      * Constructor.

      *

      * @param applicationContext The application context.

      * @param params Configuration parameters.

      */

     public ApplicationContextJeeConfig(ApplicationContext applicationContext, Map<String, String> params) {

         this.applicationContext = applicationContext;

         this.params = new HashMap<String, String>(params);

     }

     /** {@inheritDoc} */

     public String getInitParameter(String name) {

         return params.get(name);

     }

     /** {@inheritDoc} */

     public String findInitParameter(String key) {

         return params.get(key);

     }

     /** {@inheritDoc} */

     public Enumeration<String> getInitParameterNames() {

         return Collections.enumeration(params.keySet());

     }

     /** {@inheritDoc} */

     public String getName() {

         return "Application Context JEE Config";

     }

     /** {@inheritDoc} */

     public ServletContext getServletContext() {

         return ServletUtil.getServletContext(applicationContext);

     }

 }