/*
* $Id: JspTilesContextFactory.java 519978 2007-03-19 15:52:33Z apetrelli $
*
* 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.jsp.context;
import org.apache.tiles.TilesApplicationContext;
import org.apache.tiles.context.TilesContextFactory;
import org.apache.tiles.context.TilesRequestContext;
import org.apache.tiles.context.servlet.ServletTilesApplicationContext;
import org.apache.tiles.jsp.context.JspTilesRequestContext;
import javax.servlet.ServletContext;
import javax.servlet.jsp.PageContext;
import java.util.Map;
/**
* Creates an instance of the appropriate TilesApplicationContext implementation.
*
* @version $Rev: 519978 $ $Date: 2007-03-19 16:52:33 +0100 (lun, 19 mar 2007) $
*/
public class JspTilesContextFactory implements TilesContextFactory {
/** {@inheritDoc} */
public void init(Map<String, String> configParameters) {
}
/** {@inheritDoc} */
public TilesApplicationContext createApplicationContext(Object context) {
if (context instanceof ServletContext) {
ServletContext servletContext = (ServletContext) context;
return new ServletTilesApplicationContext(servletContext);
}
return null;
}
/** {@inheritDoc} */
public TilesRequestContext createRequestContext(TilesApplicationContext context,
Object... requestItems) {
if (requestItems.length == 1) {
ServletContext servletContext = getServletContext(context);
if (servletContext != null) {
return new JspTilesRequestContext(servletContext, (PageContext) requestItems[0]);
}
}
return null;
}
/**
* Returns the original servlet context.
*
* @param context The application context.
* @return The original servlet context, if found.
*/
protected ServletContext getServletContext(TilesApplicationContext context) {
if (context instanceof ServletTilesApplicationContext) {
ServletTilesApplicationContext app = (ServletTilesApplicationContext) context;
return app.getServletContext();
}
return null;
}
}