/*
 * Copyright 2004-2005 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.codehaus.groovy.grails.scaffolding;

import java.util.Map;

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

import org.springframework.web.servlet.ModelAndView;
/**
 * A response handler that simple delegates control to a view resolved by the set ViewResolver
 * 
 * @author Graeme Rocher
 * @since 30 Nov 2005
 */
public class ViewDelegatingScaffoldResponseHandler implements ScaffoldResponseHandler {

	private ScaffoldViewResolver scaffoldViewResolver;

	public ModelAndView handleResponse(HttpServletRequest request,
			HttpServletResponse response, String actionName, Map model) {
		if(scaffoldViewResolver == null)
			throw new IllegalStateException("Property [viewResolver] is required to be set, but is null");
		
		
		return new ModelAndView(
				scaffoldViewResolver.resolveViewForUriAndAction(request.getRequestURI(), actionName), 
					model );
	}

	public void setScaffoldViewResolver(ScaffoldViewResolver resolver) {
		this.scaffoldViewResolver = resolver;
	}


}