/*
 * Copyright 2002-2004 the original author or authors.
 * 
 * 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.springframework.web.servlet.view.tiles;

import javax.servlet.http.HttpServletRequest;

import org.springframework.context.MessageSource;
import org.springframework.web.servlet.support.JstlUtils;

/**
 * Specialization of TilesView for JSTL pages,
 * i.e. Tiles pages that use the JSP Standard Tag Library.
 *
 * <p>Exposes JSTL-specific request attributes specifying locale
 * and resource bundle for JSTL's formatting and message tags,
 * using Spring's locale and message source.
 *
 * <p>This is a separate class mainly to avoid JSTL dependencies
 * in TilesView itself.
 *
 * @author Juergen Hoeller
 * @since 20.08.2003
 * @see org.springframework.web.servlet.support.JstlUtils#exposeLocalizationContext
 */
public class TilesJstlView extends TilesView {

	private MessageSource jstlAwareMessageSource;

	protected void initApplicationContext() {
		super.initApplicationContext();
		this.jstlAwareMessageSource =
				JstlUtils.getJstlAwareMessageSource(getServletContext(), getApplicationContext());
	}


	protected void exposeHelpers(HttpServletRequest request) throws Exception {
		JstlUtils.exposeLocalizationContext(request, this.jstlAwareMessageSource);
	}

}
