content: /*
   * 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.extraction.demux.processor;
  
  
  import java.text.SimpleDateFormat;
  import java.util.Calendar;
  
  public class Util {
    static SimpleDateFormat day = new java.text.SimpleDateFormat("yyyyMMdd");
  
    static Calendar calendar = Calendar.getInstance();
    static int currentDay = 0;
    static int currentHour = 0;
  
    static {
      synchronized (calendar) {
        calendar.setTimeInMillis(System.currentTimeMillis());
        currentDay = Integer.parseInt(day.format(calendar.getTime()));
        currentHour = calendar.get(Calendar.HOUR_OF_DAY);
      }
    }
  
    public static String generateTimeOutput(long timestamp) {
      int workingDay = 0;
      int workingHour = 0;
  
      String output = null;
  
      int minutes = 0;
      synchronized (calendar) {
        calendar.setTimeInMillis(timestamp);
        workingDay = Integer.parseInt(day.format(calendar.getTime()));
        workingHour = calendar.get(Calendar.HOUR_OF_DAY);
        minutes = calendar.get(Calendar.MINUTE);
      }
  
      if (workingDay != currentDay) {
        output = "_" + workingDay + ".D.evt";
      } else {
        if (workingHour != currentHour) {
          output = "_" + workingDay + "_" + workingHour + ".H.evt";
        } else {
          output = "_" + workingDay + "_" + workingHour + "_";
          int dec = minutes / 10;
          output += dec;
  
          int m = minutes - (dec * 10);
          if (m < 5) {
            output += "0.R.evt";
          } else {
            output += "5.R.evt";
          }
        }
      }
  
      return output;
    }
  }
  