Android Open Source - AU-Shuttle-Tracker-App Share Route

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License

The source code is released under:

GNU General Public License

Java Source Code

package edu.american.student;
/*from   ww w .  j av  a 2 s. c  o m*/
import java.util.ArrayList;

import android.util.Log;

import edu.american.student.util.LatLonPair;
import edu.american.student.util.LatLonPoint;

/**
 * This holds all the info on Shared Route between Red and Blue
 * @author Cam Cook
 *
 */
public class ShareRoute 
{
  ArrayList<LatLonPoint> route = new ArrayList<LatLonPoint>();// route definitions
  ArrayList<LatLonPoint> busStops = new ArrayList<LatLonPoint>();// busStop definitions
  ArrayList<String> busStopInfo = new ArrayList<String>();//busStop info

  /**
   * On init, populate stops and route
   */
  public ShareRoute()
  {
    createBusStops();
    createRoute();
  }
  /**
   * From an info string, take a best guess as to the bus info is describing
   * @param info the info string
   * @return the lat lon point of the bus stop that best describes it
   */
  public LatLonPoint getBusFromInfo(String info)
  {
    //Forced fix
    if(info.startsWith("Nebraska Hall (Metrobus stop across from Nebraska"))
    {
      return busStops.get(0);
    }
    else if(info.startsWith("Van Ness (Metrobus stop on Nebraska Ave."))
    {
      return busStops.get(3);
    }
    else if (info.startsWith("Tenley Campus toward WCL"))
    {
      return busStops.get(2);
    }
    else if (info.startsWith("Van Ness toward WCL"))
    {
      return busStops.get(4);
    }
    
    int[] returnVals = new int[busStopInfo.size()];
    
    for(int i=0;i<busStopInfo.size();i++)
    {
      returnVals[i]=stringCompare(busStopInfo.get(i),info);
    }
    int smallestIndex =-1;
    int smallestVal = 1000000;
    for(int i=0;i<returnVals.length;i++)
    {
      if(returnVals[i]<smallestVal && returnVals[i]<5)
      {
        smallestIndex=i;
        smallestVal = returnVals[i];
      }
    }
    if(smallestIndex ==-1)
    {
      return null;
    }
    return busStops.get(smallestIndex);
  }
  
  /**
   * returns the metro Icon point
   * @return
   */
  public LatLonPoint getMetroIcon()
  {
    return new LatLonPoint(38.948091080112015,-77.07910716533661);
  }
  
  /**
   * From a location, descibe the bus stop there
   * @param location the bus stop location
   * @return the info of that bus stop
   */
  public String getBusInfo(LatLonPoint location)
  {
    int j=-1;
    for(int i=0;i<busStops.size();i++)
    {
      if(busStops.get(i).equals(location))
      {
        j=i;
      }
    }
    if(j !=-1)
    {
      return busStopInfo.get(j);
    }
    return "Unknown Stop";
  }
  
  /**
   * populates bus stops and its info (order is important)
   */
  public void createBusStops()
  {
    //TODO bug
    busStops.add(new LatLonPoint(38.93895799996236,-77.08491683006287));
    busStops.add(new LatLonPoint(38.9456587666782,-77.07915544509888));
    busStops.add(new LatLonPoint(38.94522486322879,-77.07975625991821));
    busStops.add(new LatLonPoint(38.94328895394465,-77.08104372024536));;
    busStops.add(new LatLonPoint(38.94299689407566,-77.08176255226135));
    
    busStopInfo.add("Nebraska Hall (Metrobus stop on Nebraska Ave. across from Nebraska Hall)");
    busStopInfo.add("Tenley Campus toward Metro (Metrobus stop on Nebraska Ave. across from Tenley Campus)");
    busStopInfo.add("Tenley Campus toward Campus (Nebraska Ave. NW at second driveway to Tenley Campus)");
    busStopInfo.add("Van Ness toward Metro (upon request)");
    busStopInfo.add("Van Ness toward Campus (upon request)");
  }
  
  
  /**
   * Here as a place holder, Lets say White(Super) route is implemented<br>
   * It would go here.
   */
  public void createRoute()
  {
    
  }
  
  /**
   * Returns the route definitions
   * @return the route definitions
   */
  public ArrayList<LatLonPair> returnRoute()
  {
    ArrayList<LatLonPair> toReturn= new ArrayList<LatLonPair>();
    for(int i=1;i<route.size();i++)
    {
      toReturn.add(new LatLonPair(route.get(i-1),route.get(i)));
    }
    return toReturn;
  }
  
  /**
   * return the bus stop definitions
   * @return the bus stop definitions
   */
  public ArrayList<LatLonPoint> returnBusStops()
  {
    return busStops;
  }
  
  /**
   * This method compares string a and string b and rates its closeness char-by-char
   * @param a string a
   * @param b string b
   * @return the rating of the comparison
   */
  public int stringCompare(String a, String b)
  {
    Log.e("size a",a.length()+"");
    Log.e("size b",b.length()+"");
    char[] aArr = a.toCharArray();
    char[] bArr = b.toCharArray();
  
    int returnVal =0;
    if(aArr.length<= bArr.length)
    {
      for(int i=0;i<aArr.length;i++)
      {
        if(aArr[i] != bArr[i])
        {
          returnVal++;
        }
      }
    }
    else
    {
      for(int i=0;i<bArr.length;i++)
      {
        if(aArr[i] != bArr[i])
        {
          returnVal++;
        }
      }
    }
    return returnVal;
  }
}

Java Source Code List

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