/*
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  The ASF licenses this file
    * to you 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.apache.hadoop.chukwa.rest.bean;
  
  import java.text.ParseException;
  
  import javax.xml.bind.annotation.XmlElement;
  
  import org.apache.commons.logging.Log;
  import org.apache.commons.logging.LogFactory;
  import org.json.simple.JSONArray;
  import org.json.simple.JSONObject;
  
  import org.apache.hadoop.chukwa.util.ExceptionUtil;
  
  public class ColumnBean {
    private WidgetBean[] widgets;
    
    private static Log log = LogFactory.getLog(ColumnBean.class);
    
    public ColumnBean() {
    }
    
    public ColumnBean(JSONArray json) throws ParseException {
      try {
        widgets = new WidgetBean[json.size()];
        for(int i=0;i<json.size();i++) {
          widgets[i]=new WidgetBean((JSONObject) json.get(i));
        }
      } catch (Exception e) {
        log.error(ExceptionUtil.getStackTrace(e));
        throw new ParseException(ExceptionUtil.getStackTrace(e), 0);
      }
    }
    
    @XmlElement
    public WidgetBean[] getWidgets() {
      return widgets.clone();
    }
    
    public void setWidgets(WidgetBean[] ws) {
      widgets=(WidgetBean[]) ws.clone();
    }
    
    public void update() {
      for(int i=0;i<widgets.length;i++) {
        widgets[i].update();
      }
    }
    
    public JSONArray deserialize() {
      JSONArray ja = new JSONArray();
      for(int i=0;i<widgets.length;i++) {
        ja.add(widgets[i].deserialize());
      }
      return ja;
    }
  }