Android Open Source - Link-Schedule Day Schedule

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License

The source code is released under:

GNU General Public License

Java Source Code

/**
 * Copyright 2011 Kurtis Nusbaum// w ww.j av a  2s.  c  o m
 *
 * This file is part of LinkSchedule.  
 *
 * LinkSchedule is free software: you can 
 * redistribute it and/or modify it under the terms of the GNU General Public 
 * License as published by the Free Software Foundation, either version 2 of the 
 * License, or (at your option) any later version.  
 *
 * LinkSchedule is distributed in the hope that it will be useful, but WITHOUT 
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 
 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 
 * for more details.  You should have received a copy of the GNU  General 
 * Public License along with LinkSchedule. If not, see 
 * http://www.gnu.org/licenses/.
 */

package org.klnusbaum.linkschedule;

import java.util.GregorianCalendar;
import java.util.Calendar;
import java.util.TreeMap;
import java.util.Iterator;
import android.util.Log;
import android.content.res.Resources;

/**
 * Class representing the schedule for a single day at all four bus stops.
 *
 * @author Kurtis Nusbaum
 * @version 1.0
 */
public class DaySchedule implements Comparable{
  /** The schedules for each bus stop. */
  private TreeMap<GregorianCalendar, String>
    flynntownSchedule, goreckiSchedule, hccSchedule, sextonSchedule;
  
  /* Reference to the resources used by the application */
  private Resources res;

  /**
   * Constructs a new DaySchedule.
   *
    * @param flynntownSchedule The schedule to be used for the flynntown stop.
    * @param goreckiSchedule The schedule to be used for the gorecki stop.
    * @param hccSchedule The schedule to be used for the hcc stop.
    * @param sextonSchedule The schedule to be used for the sexton stop.
   */
  public DaySchedule(
    TreeMap<GregorianCalendar, String> flynntownSchedule,
    TreeMap<GregorianCalendar, String> goreckiSchedule,
    TreeMap<GregorianCalendar, String> hccSchedule,
    TreeMap<GregorianCalendar, String> sextonSchedule,
    Resources res)
  {
    this.flynntownSchedule = flynntownSchedule;
    this.goreckiSchedule = goreckiSchedule;
    this.hccSchedule = hccSchedule;
    this.sextonSchedule = sextonSchedule;
    this.res = res;
  }

  /**
   * Increment all the calendars in all the schedules by 1 day.
   */
  public void dayIncrement(){
    flynntownSchedule = dayAddBusStop(flynntownSchedule,1);
    goreckiSchedule = dayAddBusStop(goreckiSchedule,1);
    hccSchedule = dayAddBusStop(hccSchedule,1);
    sextonSchedule = dayAddBusStop(sextonSchedule,1);
  }  

  /**
   * Decrement all the calendars in all the schedueles by 1 day.
   */
  public void dayDecrement(){
    flynntownSchedule = dayAddBusStop(flynntownSchedule,-1);
    goreckiSchedule = dayAddBusStop(goreckiSchedule,-1);
    hccSchedule = dayAddBusStop(hccSchedule,-1);
    sextonSchedule = dayAddBusStop(sextonSchedule,-1);
  }  

  /**
   * Add or subtract a day from all of the calendars in a given
   * schedule.
   *
    * @param map The schedule from which days will be added or substracted.
   * @param step The amount of days by which all the calendars should be 
   *  changed.
   * @return A schedule representing the requested changes.
   */
  private TreeMap<GregorianCalendar, String> 
    dayAddBusStop(TreeMap<GregorianCalendar, String> map, int step){
    TreeMap<GregorianCalendar, String> newMap = 
      new TreeMap<GregorianCalendar, String>();
    GregorianCalendar tempCal;
    for(GregorianCalendar c: map.keySet()){
      tempCal = (GregorianCalendar)c.clone();
      tempCal.add(Calendar.DATE, step);
      newMap.put(tempCal, map.get(c));
    }
    return newMap;
  }

  /**
   * Get the schedule for a particular bus stop.
    *
   * @param busStop The bus stop for which a schedule is desired.
   * @return The desired schedule.
   */
  public TreeMap<GregorianCalendar, String> getBusStopSched(String busStop){
    if(busStop.equals(res.getString(R.string.sexton_name))){
      return sextonSchedule;
    }
    else if(busStop.equals(res.getString(R.string.gorecki_name))){
      return goreckiSchedule;
    }
    else if(busStop.equals(res.getString(R.string.hcc_name))){
      return hccSchedule;
    }
    else if(busStop.equals(res.getString(R.string.flynntown_name))){
      return flynntownSchedule;
    }
    else{
      return null;
    }
  }

  @Override
  public int compareTo(Object o){
    DaySchedule otherSchedule = (DaySchedule)o;
    return flynntownSchedule.firstKey().compareTo(
      otherSchedule.flynntownSchedule.firstKey());
  }
}

Java Source Code List

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