FlashScopeRequestInterceptor.java

/* 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.riotfamily.common.web.mvc.scope;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.riotfamily.common.web.mvc.interceptor.RequestInterceptorAdapter;

/**
 * RequestInterceptor that exposes the {@link FlashModel} stored in the 
 * {@link FlashScope} as request attribute.
 *  
 * @author Felix Gnass [fgnass at neteye dot de]
 * @since 9.0
 */
public class FlashScopeRequestInterceptor extends RequestInterceptorAdapter {

	@Override
	public boolean preHandle(HttpServletRequest request,
			HttpServletResponse response) throws Exception {

		FlashScope.expose(request);
		return true;
	}
}