/*
    * Copyright 2009-2010 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.batch.admin.web;
  
  import java.io.IOException;
  import java.util.HashMap;
  import java.util.Map;
  
  import javax.servlet.ServletException;
  import javax.servlet.http.HttpServletRequest;
  import javax.servlet.http.HttpServletResponse;
  
  import org.springframework.web.HttpRequestHandler;
  import org.springframework.web.servlet.View;
  
  /**
   * Trivial HTTP request handler that just renders a view. Useful as an entry
   * point to present a form for sending data to an HTTP inbound endpoint.
   * 
   * @author Dave Syer
   * 
   */
  public class ViewHandler implements HttpRequestHandler {
  
  	private View view;
  
  	private Map<String, ?> model = new HashMap<String, Object>();
  
  	public void setView(View view) {
  		this.view = view;
  	}
  
  	public void handleRequest(HttpServletRequest request, HttpServletResponse response) throws ServletException,
  			IOException {
  		try {
  			view.render(model, request, response);
  		}
  		catch (IOException e) {
  			throw e;
  		}
  		catch (Exception e) {
  			throw new ServletException(e);
  		}
  	}
  
  }