content: /*******************************************************************************
   * Copyright 2017 Bstek
   *
   * 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 com.bstek.ureport.console;
  
  import org.codehaus.jackson.map.ObjectMapper;
  import org.codehaus.jackson.map.SerializationConfig;
  import org.codehaus.jackson.map.annotate.JsonSerialize.Inclusion;
  
  import javax.servlet.ServletException;
  import javax.servlet.http.HttpServletResponse;
  import java.io.IOException;
  import java.io.OutputStream;
  import java.text.SimpleDateFormat;
  
  
  /**
   * @author
   * @since 2016年5月23日
   */
  public abstract class WriteJsonServletAction extends BaseServletAction{
  	protected void writeObjectToJson(HttpServletResponse resp,Object obj) throws ServletException, IOException{
  		resp.setContentType("text/json");
  		resp.setCharacterEncoding("UTF-8");
  		ObjectMapper mapper=new ObjectMapper();
  		mapper.setSerializationInclusion(Inclusion.NON_NULL);
  		mapper.configure(SerializationConfig.Feature.WRITE_DATES_AS_TIMESTAMPS,false);
  		mapper.setDateFormat(new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"));
  		OutputStream out = resp.getOutputStream();
  		try {
  			mapper.writeValue(out, obj);
  		} finally {
  			out.flush();
  			out.close();
  		}
  	}
  }
  