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


public class OSRMHelper {


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

        Gson gson = new Gson();

        //static OSRMBinding binding = null;

        final String host = "127.0.0.1";
        //final String host = "10.30.2.103";
        final int port = 5000;
        final String base_url = "http://" + host + ":" + 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);


                                System.exit(0);
                        }

                        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	import java.util.logging.Logger;
6
7	import com.google.gson.Gson;
8
9	import dk.daoas.adressevedligehold.beans.Address;
10	import dk.daoas.adressevedligehold.util.HttpUtil;
11
12
13	public class OSRMHelper {
14
15
16	final static Logger logger = Logger.getLogger( OSRMHelper.class.toString() );
17
18	Gson gson = new Gson();
19
20	//static OSRMBinding binding = null;
21
22	final String host = "127.0.0.1";
23	//final String host = "10.30.2.103";
24	final int port = 5000;
25	final String base_url = "http://" + host + ":" + port;
26
27
28	public Address getNearestTableHttp(Address a1, Collection<Address> haystack) throws Exception {
29
30
31
32	Address bedsteAddress = null;
33
34	Address hayArray[] = new Address[ haystack.size() ];
35	haystack.toArray(hayArray);
36
37	StringBuilder sb = new StringBuilder();
38	sb.append(base_url);
39	sb.append("/table?src=").append(a1.latitude).append(",").append(a1.longitude);
40
41	for(int i = 0; i<hayArray.length; i++) {
42	Address a = hayArray[i];
43	sb.append("&dst=").append( a.latitude ).append(",").append(a.longitude);
44	}
45
46	try {
47
48	String txtResponse = HttpUtil.getContentString(sb.toString(), 500, "UTF-8");
49
50	OSRMDistanceTable table = gson.fromJson(txtResponse, OSRMDistanceTable.class);
51
52	if (table.status != 200) {
53	logger.info("OSRM failed with message: " + table.status + " / "+ table.status_message);
54	return null;
55	}
56
57	if ( table.distance_table[0].length != hayArray.length ) {
58	logger.log(Level.SEVERE, "Wrong number of results in matrix " + table.distance_table[0].length);
59
60	System.out.println("--------------");
61	System.out.println("URL:");
62	System.out.println(sb.toString());
63	System.out.println("--------------");
64	System.out.println("Response:");
65	System.out.println(txtResponse);
66
67
68	System.exit(0);
69	}
70
71	int bedsteTid = Integer.MAX_VALUE;
72
73	for (int i = 0; i<table.distance_table[0].length; i++) {
74	if (table.distance_table[0][i] < bedsteTid) {
75	bedsteTid = table.distance_table[0][i];
76	bedsteAddress = hayArray[i];
77	}
78	}
79
80
81	} catch (Exception e) {
82	logger.log(Level.SEVERE, "Lookup failed", e);
83	System.out.println( sb.toString() );
84	System.out.println( a1 );
85	throw e; //Re-throw
86	}
87
88	//return gson.fromJson(txtResponse, OSRMResponse.class);
89
90
91
92	return bedsteAddress;
93	}
94
95	}
96
97