Android Open Source - BT4Android-trunk Route Builder

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Back to project page BT4Android-trunk.

License

The source code is released under:

Apache License

Java Source Code

package com.love.apps.BT4U.webservice;
//from w w  w .  j  a v a  2s . c  o  m
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;

/**
 * Holds route information in-memory until we can flatten it into a more concise
 * format
 */
class RouteBuilder {

  private String routeName;
  private ArrayList<Point> points = new ArrayList<Point>(50);

  public RouteBuilder(String routeName) {
    this.routeName = routeName;
  }

  public void addPoint(String rank, String latitude, String longitude) {
    Point p = new Point();
    try {
      p.lat = Double.parseDouble(latitude);
      p.lon = Double.parseDouble(longitude);
      p.rank = Integer.parseInt(rank);
    } catch (NumberFormatException nfe) {
      return;
    }

    points.add(p);
  }

  private class Point {
    int rank;
    double lat;
    double lon;
  }

  public Route build() {
    Route r = new Route();
    routeName = routeName.replace("_x0020_", " ");
    routeName = routeName.replace("RSA ", "");
    r.routeName = routeName;

    Collections.sort(points, new Comparator<Point>() {

      
      public int compare(Point lhs, Point rhs) {
        if (lhs.rank < rhs.rank)
          return -1;
        else if (lhs.rank > rhs.rank)
          return 1;
        else
          return 0;
      }
    });

    r.data = new ArrayList<double[]>(points.size());
    for (Point p : points)
      r.data.add(new double[] { p.lat, p.lon });
    
    return r;
  }
}

Java Source Code List

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