adressevedligehold/afstandandenrute/OSRMHelper.java

package dk.daoas.adressevedligehold.afstandandenrute;

import java.util.Collection;
import java.util.logging.Level;
import java.util.logging.Logger;

import com.google.gson.Gson;

import dk.daoas.adressevedligehold.ServiceConfig;
import dk.daoas.adressevedligehold.beans.Address;
import dk.daoas.adressevedligehold.util.HttpUtil;


public class OSRMHelper {


        final static Logger logger = Logger.getLogger( OSRMHelper.class.toString() );

        
        Gson gson = new Gson();

        final int port = 5000;
        final String base_url = "http://" + ServiceConfig.getInstance().osrmHost + ":" + port;


        public Address getNearestTableHttp(Address a1, Collection<Address> haystack) throws Exception {


                Address bedsteAddress = null;

                Address hayArray[] = new Address[ haystack.size() ];
                haystack.toArray(hayArray);

                StringBuilder sb = new StringBuilder();
                sb.append(base_url);
                sb.append("/table?src=").append(a1.latitude).append(",").append(a1.longitude);

                for(int i = 0; i<hayArray.length; i++) {
                        Address a = hayArray[i];
                        sb.append("&dst=").append( a.latitude ).append(",").append(a.longitude);
                }

                try {

                        String txtResponse = HttpUtil.getContentString(sb.toString(), 500, "UTF-8");

                        OSRMDistanceTable table = gson.fromJson(txtResponse, OSRMDistanceTable.class);

                        if (table.status != 200) {
                                logger.info("OSRM failed with message: " + table.status + " / "+ table.status_message);
                                return null;
                        }

                        if ( table.distance_table[0].length != hayArray.length  ) {
                                logger.log(Level.SEVERE, "Wrong number of results in matrix " + table.distance_table[0].length);

                                System.out.println("--------------");
                                System.out.println("URL:");
                                System.out.println(sb.toString());
                                System.out.println("--------------");
                                System.out.println("Response:");
                                System.out.println(txtResponse);


                                throw new Exception("Wrong number of results in matrix");
                        }

                        int bedsteTid = Integer.MAX_VALUE;

                        for (int i = 0; i<table.distance_table[0].length; i++) {
                                if (table.distance_table[0][i] < bedsteTid) {
                                        bedsteTid = table.distance_table[0][i];
                                        bedsteAddress = hayArray[i];
                                }
                        }


                } catch (Exception e) {
                        logger.log(Level.SEVERE, "Lookup failed", e);
                        System.out.println( sb.toString() );
                        System.out.println( a1 );
                        throw e; //Re-throw
                }

                //return gson.fromJson(txtResponse, OSRMResponse.class);


                return bedsteAddress;
        }

}


1	torben	2878	package dk.daoas.adressevedligehold.afstandandenrute;
2
3			import java.util.Collection;
4			import java.util.logging.Level;
5			import java.util.logging.Logger;
6
7			import com.google.gson.Gson;
8
9	torben	2889	import dk.daoas.adressevedligehold.ServiceConfig;
10	torben	2878	import dk.daoas.adressevedligehold.beans.Address;
11			import dk.daoas.adressevedligehold.util.HttpUtil;
12
13
14			public class OSRMHelper {
15
16
17			final static Logger logger = Logger.getLogger( OSRMHelper.class.toString() );
18
19	torben	2889
20	torben	2878	Gson gson = new Gson();
21
22			final int port = 5000;
23	torben	2889	final String base_url = "http://" + ServiceConfig.getInstance().osrmHost + ":" + port;
24	torben	2878
25
26	torben	2885	public Address getNearestTableHttp(Address a1, Collection<Address> haystack) throws Exception {
27	torben	2878
28
29			Address bedsteAddress = null;
30
31			Address hayArray[] = new Address[ haystack.size() ];
32			haystack.toArray(hayArray);
33
34			StringBuilder sb = new StringBuilder();
35			sb.append(base_url);
36			sb.append("/table?src=").append(a1.latitude).append(",").append(a1.longitude);
37
38			for(int i = 0; i<hayArray.length; i++) {
39			Address a = hayArray[i];
40			sb.append("&dst=").append( a.latitude ).append(",").append(a.longitude);
41			}
42
43			try {
44
45			String txtResponse = HttpUtil.getContentString(sb.toString(), 500, "UTF-8");
46
47			OSRMDistanceTable table = gson.fromJson(txtResponse, OSRMDistanceTable.class);
48
49			if (table.status != 200) {
50			logger.info("OSRM failed with message: " + table.status + " / "+ table.status_message);
51			return null;
52			}
53
54			if ( table.distance_table[0].length != hayArray.length ) {
55			logger.log(Level.SEVERE, "Wrong number of results in matrix " + table.distance_table[0].length);
56
57			System.out.println("--------------");
58			System.out.println("URL:");
59			System.out.println(sb.toString());
60			System.out.println("--------------");
61			System.out.println("Response:");
62			System.out.println(txtResponse);
63
64
65	torben	2887	throw new Exception("Wrong number of results in matrix");
66	torben	2878	}
67
68			int bedsteTid = Integer.MAX_VALUE;
69
70			for (int i = 0; i<table.distance_table[0].length; i++) {
71			if (table.distance_table[0][i] < bedsteTid) {
72			bedsteTid = table.distance_table[0][i];
73			bedsteAddress = hayArray[i];
74			}
75			}
76
77
78			} catch (Exception e) {
79			logger.log(Level.SEVERE, "Lookup failed", e);
80			System.out.println( sb.toString() );
81			System.out.println( a1 );
82	torben	2885	throw e; //Re-throw
83	torben	2878	}
84
85			//return gson.fromJson(txtResponse, OSRMResponse.class);
86
87
88
89			return bedsteAddress;
90			}
91
92			}
93
94