springfirst.MapController.java Source code

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Here is the source code for springfirst.MapController.java

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package springfirst;

import java.util.ArrayList;
import java.util.Random;
import java.util.Vector;
import javax.servlet.ServletContext;
import javax.ws.rs.*;
import javax.ws.rs.core.*;
//import javax.annotation.PostConstruct;
import org.springframework.stereotype.Controller;
import org.springframework.ui.ModelMap;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RequestParam;

/**
 *
 * @author haydarkarrar
 */

@Controller
public class MapController {

    private float _latitudeAdjust = 0.029f;
    private float _longitudeAdjust = 0.025f;
    private float _longitudeSquare = 0.05f;
    private float _latitudeSquare = 0.058f;

    @RequestMapping(value = "/map", method = RequestMethod.GET)
    public String map(ModelMap model) {
        model.addAttribute("msg", "JCG Hello World!");
        return "map";
    }

    @RequestMapping("/nearby")
    @ResponseBody
    public ArrayList<Location> nearby(@RequestParam(value = "x") float x, @RequestParam(value = "y") float y) {

        float y2 = Math.abs(y) - _longitudeAdjust;
        float x2 = x - _latitudeAdjust;

        float[] dimensions = new float[] { _latitudeSquare, _longitudeSquare };
        float[] coords = new float[] { x2, y2 };

        ArrayList<Location> data = MapService.search(coords, dimensions);

        while (data.size() < 10) {
            //TODO: adjust the coordinates
            dimensions[0] += _latitudeSquare;
            dimensions[1] += _longitudeSquare;
            coords[0] -= _latitudeAdjust;
            coords[1] -= _longitudeAdjust;

            data = MapService.search(coords, dimensions);

        }

        for (Location loc : data) {
            loc.setDistance(x, y);
        }

        data.sort(null);

        return data;
    }

    @RequestMapping("/area")
    @ResponseBody
    public ArrayList<Location> area(@RequestParam(value = "x1") float x1, @RequestParam(value = "y1") float y1,
            @RequestParam(value = "x2") float x2, @RequestParam(value = "y2") float y2) {

        float width = Math.abs(x2 - x1);
        float height = Math.abs(y2 - y1);
        y1 = Math.abs(y1);

        float[] dimensions = new float[] { width, height };
        float[] coords = new float[] { x1, y1 };

        ArrayList<Location> data = MapService.search(coords, dimensions);

        return data;
    }
}