adressevedligehold/afstandandenrute/OSRMHelper.java

package dk.daoas.adressevedligehold.afstandandenrute;

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

import com.google.gson.Gson;

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


public class OSRMHelper {


        private TaskLogger logger = TaskLogger.getInstance();

        
        Gson gson = new Gson();

        final static 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(), 1000, "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	package dk.daoas.adressevedligehold.afstandandenrute;
2
3	import java.util.Collection;
4	import java.util.logging.Level;
5
6	import com.google.gson.Gson;
7
8	import dk.daoas.adressevedligehold.ServiceConfig;
9	import dk.daoas.adressevedligehold.beans.Address;
10	import dk.daoas.adressevedligehold.tasks.TaskLogger;
11	import dk.daoas.adressevedligehold.util.HttpUtil;
12
13
14	public class OSRMHelper {
15
16
17	private TaskLogger logger = TaskLogger.getInstance();
18
19
20	Gson gson = new Gson();
21
22	final static int PORT = 5000;
23	final String base_url = "http://" + ServiceConfig.getInstance().osrmHost + ":" + PORT;
24
25
26	public Address getNearestTableHttp(Address a1, Collection<Address> haystack) throws Exception {
27
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(), 1000, "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	throw new Exception("Wrong number of results in matrix");
66	}
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	throw e; //Re-throw
83	}
84
85	//return gson.fromJson(txtResponse, OSRMResponse.class);
86
87
88
89	return bedsteAddress;
90	}
91
92	}
93
94