fulddaekning/osrm/OSRMHelper.java

package dk.daoas.fulddaekning.osrm;

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

import net.minidev.json.JSONValue;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.ResponseHandler;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;

import com.google.gson.Gson;

import dk.daoas.fulddaekning.Adresse;
import dk.daoas.fulddaekning.HttpUtil;

/*
import dk.thoerup.osrmbinding.OSRMBinding;
import dk.thoerup.osrmbinding.ViarouteResult;
*/

public class OSRMHelper {
        
        private static final boolean ENABLE_OSRM = false;


        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;
/*
        private static synchronized void initOsrm() {
                if (binding == null) {
                        binding = new OSRMBinding("/home/openstreetmap/denmark-latest.osrm");
                }
        }
*/

        public Adresse getNearestTableHttp(Adresse a1, Collection<Adresse> haystack) {

                Adresse bedsteAdresse = null;

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

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

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

                try {


                        String txtResponse = HttpUtil.getContentString(sb.toString(), 500, "UTF-8");
                        OSRMDistanceTable table = gson.fromJson(txtResponse, OSRMDistanceTable.class);
                        //OSRMDistanceTable table = JSONValue.parse(txtResponse, OSRMDistanceTable.class);
                        if (table.status != 0) {
                                logger.info("OSRM failed with message: " + table.status_message);
                                return null;
                        }

                        if ( table.distance_table.length != (hayArray.length + 1) ) {
                                logger.log(Level.SEVERE, "Wrong number of results in matrix " + table.distance_table.length);
                                System.exit(0);
                        }

                        int bedsteTid = Integer.MAX_VALUE;

                        for (int i = 1; i<table.distance_table[0].length; i++) {
                                if (table.distance_table[0][i] < bedsteTid) {
                                        bedsteTid = table.distance_table[0][i];
                                        int idx = i-1;
                                        bedsteAdresse = hayArray[idx];
                                }
                        }

                } catch (Exception e) {
                        logger.log(Level.SEVERE, "Lookup failed", e);
                        System.exit(1);                 
                }

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


                return bedsteAdresse;
        }

        public Adresse getNearestTableHttpExperimental(Adresse a1, Collection<Adresse> haystack) {


                Adresse bedsteAdresse = null;

                Adresse hayArray[] = new Adresse[ 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++) {
                        Adresse 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);
                        OSRMDistanceTable table = JSONValue.parse(txtResponse, OSRMDistanceTable.class);
                        if (table.status != 0) {
                                logger.info("OSRM failed with message: " + 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];
                                        bedsteAdresse = hayArray[i];
                                }
                        }


                } catch (Exception e) {
                        logger.log(Level.SEVERE, "Lookup failed", e);
                        System.out.println( sb.toString() );
                        System.out.println( a1 );
                        System.exit(1);                 
                }

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


                return bedsteAdresse;
        }
        
        
/*
        public Adresse getNearestTableJni(Adresse a1, Collection<Adresse> haystack) {
                if (binding == null) {
                        initOsrm();
                }

                Adresse bedsteAdresse = null;

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

                dk.thoerup.osrmbinding.Geopoint points[] = new dk.thoerup.osrmbinding.Geopoint[ hayArray.length + 1 ];
                points[0] = new dk.thoerup.osrmbinding.Geopoint( a1.latitude, a1.longitude);


                for(int i = 0; i<hayArray.length; i++) {
                        Adresse a = hayArray[i];
                        int idx = i+1;
                        points[idx] = new dk.thoerup.osrmbinding.Geopoint(a.latitude, a.longitude);
                }

                try {
                        float distance_table[][] = binding.table( points );
                        
                        if ( distance_table.length != (hayArray.length + 1) ) {
                                logger.log(Level.SEVERE, "Wrong number of results in matrix " + distance_table.length);
                                System.exit(0);
                        }

                        int bedsteTid = Integer.MAX_VALUE;

                        for (int i = 1; i<distance_table.length; i++) {
                                if (distance_table[0][i] < bedsteTid) {
                                        bedsteTid = (int) distance_table[0][i];
                                        int idx = i-1;
                                        bedsteAdresse = hayArray[idx];
                                }
                        }

                } catch (Exception e) {
                        logger.log(Level.SEVERE, "Lookup failed", e);
                        System.exit(1);                 
                }

                return bedsteAdresse;
        }*/
        

        public Adresse getNearestMultitargetHttp(Adresse a1, Collection<Adresse> haystack) {

                Adresse bedsteAdresse = null;

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

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

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

                try {
                        String txtResponse = HttpUtil.getContentString(sb.toString(), 500, "UTF-8");
                        OSRMMultiTarget table = gson.fromJson(txtResponse, OSRMMultiTarget.class);


                        double bedsteAfstand = Double.MAX_VALUE;

                        for (int i = 1; i<table.distances.length; i++) {
                                if (table.distances[i].distance < bedsteAfstand) {
                                        bedsteAfstand = table.distances[i].distance;
                                        bedsteAdresse = hayArray[i];
                                }
                        }

                } catch (Exception e) {
                        logger.log(Level.SEVERE, "Lookup failed", e);
                        System.exit(1);                 
                }


                return bedsteAdresse;
        }
        
        public Adresse getNearestViarouteHttp(Adresse a1, Collection<Adresse> haystack) {
                int bedsteAfstand = Integer.MAX_VALUE;
                Adresse bedsteAdresse = null;
                
                try (CloseableHttpClient httpclient = HttpClients.createDefault()) {
                        
                        String loc1 = a1.latitude + "," + a1.longitude;

                        
                        for(Adresse a2: haystack) {
                                String loc2 = a2.latitude + "," + a2.longitude;

                                String uri = base_url + "/viaroute?loc=" + loc1 + "&loc=" + loc2 + "&geometry=false&instructions=false&alt=false";
                                
                                HttpGet httpget = new HttpGet(uri);
                                
                                ResponseHandler<String> responseHandler = new ResponseHandler<String>() {

                        @Override
                        public String handleResponse(final HttpResponse response) throws ClientProtocolException, IOException {
                            int status = response.getStatusLine().getStatusCode();
                            
                            if (status >= 200 && status < 300) {
                                HttpEntity entity = response.getEntity();
                                return entity != null ? EntityUtils.toString(entity) : null;
                            } else {
                                throw new ClientProtocolException("Unexpected response status: " + status);
                            }
                        }

                    };
                    String responseBody = httpclient.execute(httpget, responseHandler);
                    
                                OSRMResponse res = gson.fromJson(responseBody, OSRMResponse.class);

                                
                    if (res.status != 0) {
                                        System.out.println("OSRM Returned " + res.status + "/" + res.status_message );
                                        continue;
                                }

                                if (res.route_summary.total_distance == 0) {
                                        continue;
                                }


                                if (res.route_summary.total_distance < bedsteAfstand) {
                                        bedsteAfstand = res.route_summary.total_distance;
                                        bedsteAdresse = a2;
                                }

                                if (bedsteAfstand < 200) { //vejdistance er tæt nok på
                                        return bedsteAdresse;
                                }
                    
                        }
                        
                } catch (Exception e) {
                        logger.log(Level.SEVERE, "Lookup failed", e);
                }

                return bedsteAdresse;
        }

/*      
        public Adresse getNearestViarouteJni(Adresse a1, Collection<Adresse> haystack) {

                if (binding == null) {
                        initOsrm();
                }


                int bedsteAfstand = Integer.MAX_VALUE;
                Adresse bedsteAdresse = null;
                
                        
                        for(Adresse a2: haystack) {

                    ViarouteResult res = binding.viaRoute(a1.latitude, a1.longitude, a2.latitude, a2.longitude);

                    
                    if (res.status != 0) {
                                        System.out.println("OSRM Returned " + res.status  );
                                        continue;
                                }

                                if (res.totalDistance == 0) {
                                        continue;
                                }


                                if (res.totalDistance < bedsteAfstand) {
                                        bedsteAfstand = res.totalDistance;
                                        bedsteAdresse = a2;
                                }

                                if (bedsteAfstand < 200) { //vejdistance er tæt nok på
                                        return bedsteAdresse;
                                }
                    
                        }                       

                return bedsteAdresse;
        }*/
}


1	package dk.daoas.fulddaekning.osrm;
2
3	import java.io.IOException;
4	import java.util.Collection;
5	import java.util.logging.Level;
6	import java.util.logging.Logger;
7
8	import net.minidev.json.JSONValue;
9
10	import org.apache.http.HttpEntity;
11	import org.apache.http.HttpResponse;
12	import org.apache.http.client.ClientProtocolException;
13	import org.apache.http.client.ResponseHandler;
14	import org.apache.http.client.methods.HttpGet;
15	import org.apache.http.impl.client.CloseableHttpClient;
16	import org.apache.http.impl.client.HttpClients;
17	import org.apache.http.util.EntityUtils;
18
19	import com.google.gson.Gson;
20
21	import dk.daoas.fulddaekning.Adresse;
22	import dk.daoas.fulddaekning.HttpUtil;
23
24	/*
25	import dk.thoerup.osrmbinding.OSRMBinding;
26	import dk.thoerup.osrmbinding.ViarouteResult;
27	*/
28
29	public class OSRMHelper {
30
31	private static final boolean ENABLE_OSRM = false;
32
33
34	final static Logger logger = Logger.getLogger( OSRMHelper.class.toString() );
35
36	Gson gson = new Gson();
37
38	//static OSRMBinding binding = null;
39
40	final String host = "127.0.0.1";
41	//final String host = "10.30.2.103";
42	final int port = 5000;
43	final String base_url = "http://" + host + ":" + port;
44	/*
45	private static synchronized void initOsrm() {
46	if (binding == null) {
47	binding = new OSRMBinding("/home/openstreetmap/denmark-latest.osrm");
48	}
49	}
50	*/
51
52	public Adresse getNearestTableHttp(Adresse a1, Collection<Adresse> haystack) {
53
54	Adresse bedsteAdresse = null;
55
56	Adresse hayArray[] = new Adresse[ haystack.size() ];
57	haystack.toArray(hayArray);
58
59	StringBuilder sb = new StringBuilder();
60	sb.append(base_url);
61	sb.append("/table?loc=").append(a1.latitude).append(",").append(a1.longitude);
62
63	for(int i = 0; i<hayArray.length; i++) {
64	Adresse a = hayArray[i];
65	sb.append("&loc=").append( a.latitude ).append(",").append(a.longitude);
66	}
67
68	try {
69
70
71	String txtResponse = HttpUtil.getContentString(sb.toString(), 500, "UTF-8");
72	OSRMDistanceTable table = gson.fromJson(txtResponse, OSRMDistanceTable.class);
73	//OSRMDistanceTable table = JSONValue.parse(txtResponse, OSRMDistanceTable.class);
74	if (table.status != 0) {
75	logger.info("OSRM failed with message: " + table.status_message);
76	return null;
77	}
78
79	if ( table.distance_table.length != (hayArray.length + 1) ) {
80	logger.log(Level.SEVERE, "Wrong number of results in matrix " + table.distance_table.length);
81	System.exit(0);
82	}
83
84	int bedsteTid = Integer.MAX_VALUE;
85
86	for (int i = 1; i<table.distance_table[0].length; i++) {
87	if (table.distance_table[0][i] < bedsteTid) {
88	bedsteTid = table.distance_table[0][i];
89	int idx = i-1;
90	bedsteAdresse = hayArray[idx];
91	}
92	}
93
94	} catch (Exception e) {
95	logger.log(Level.SEVERE, "Lookup failed", e);
96	System.exit(1);
97	}
98
99	//return gson.fromJson(txtResponse, OSRMResponse.class);
100
101
102	return bedsteAdresse;
103	}
104
105	public Adresse getNearestTableHttpExperimental(Adresse a1, Collection<Adresse> haystack) {
106
107
108
109	Adresse bedsteAdresse = null;
110
111	Adresse hayArray[] = new Adresse[ haystack.size() ];
112	haystack.toArray(hayArray);
113
114	StringBuilder sb = new StringBuilder();
115	sb.append(base_url);
116	sb.append("/table?src=").append(a1.latitude).append(",").append(a1.longitude);
117
118	for(int i = 0; i<hayArray.length; i++) {
119	Adresse a = hayArray[i];
120	sb.append("&dst=").append( a.latitude ).append(",").append(a.longitude);
121	}
122
123	try {
124
125	String txtResponse = HttpUtil.getContentString(sb.toString(), 500, "UTF-8");
126
127	//OSRMDistanceTable table = gson.fromJson(txtResponse, OSRMDistanceTable.class);
128	OSRMDistanceTable table = JSONValue.parse(txtResponse, OSRMDistanceTable.class);
129	if (table.status != 0) {
130	logger.info("OSRM failed with message: " + table.status_message);
131	return null;
132	}
133
134	if ( table.distance_table[0].length != hayArray.length ) {
135	logger.log(Level.SEVERE, "Wrong number of results in matrix " + table.distance_table[0].length);
136
137	System.out.println("--------------");
138	System.out.println("URL:");
139	System.out.println(sb.toString());
140	System.out.println("--------------");
141	System.out.println("Response:");
142	System.out.println(txtResponse);
143
144
145	System.exit(0);
146	}
147
148	int bedsteTid = Integer.MAX_VALUE;
149
150	for (int i = 0; i<table.distance_table[0].length; i++) {
151	if (table.distance_table[0][i] < bedsteTid) {
152	bedsteTid = table.distance_table[0][i];
153	bedsteAdresse = hayArray[i];
154	}
155	}
156
157
158	} catch (Exception e) {
159	logger.log(Level.SEVERE, "Lookup failed", e);
160	System.out.println( sb.toString() );
161	System.out.println( a1 );
162	System.exit(1);
163	}
164
165	//return gson.fromJson(txtResponse, OSRMResponse.class);
166
167
168
169	return bedsteAdresse;
170	}
171
172
173
174	/*
175	public Adresse getNearestTableJni(Adresse a1, Collection<Adresse> haystack) {
176	if (binding == null) {
177	initOsrm();
178	}
179
180	Adresse bedsteAdresse = null;
181
182	Adresse hayArray[] = new Adresse[ haystack.size() ];
183	haystack.toArray(hayArray);
184
185	dk.thoerup.osrmbinding.Geopoint points[] = new dk.thoerup.osrmbinding.Geopoint[ hayArray.length + 1 ];
186	points[0] = new dk.thoerup.osrmbinding.Geopoint( a1.latitude, a1.longitude);
187
188
189	for(int i = 0; i<hayArray.length; i++) {
190	Adresse a = hayArray[i];
191	int idx = i+1;
192	points[idx] = new dk.thoerup.osrmbinding.Geopoint(a.latitude, a.longitude);
193	}
194
195	try {
196	float distance_table[][] = binding.table( points );
197
198	if ( distance_table.length != (hayArray.length + 1) ) {
199	logger.log(Level.SEVERE, "Wrong number of results in matrix " + distance_table.length);
200	System.exit(0);
201	}
202
203	int bedsteTid = Integer.MAX_VALUE;
204
205	for (int i = 1; i<distance_table.length; i++) {
206	if (distance_table[0][i] < bedsteTid) {
207	bedsteTid = (int) distance_table[0][i];
208	int idx = i-1;
209	bedsteAdresse = hayArray[idx];
210	}
211	}
212
213	} catch (Exception e) {
214	logger.log(Level.SEVERE, "Lookup failed", e);
215	System.exit(1);
216	}
217
218	return bedsteAdresse;
219	}*/
220
221
222	public Adresse getNearestMultitargetHttp(Adresse a1, Collection<Adresse> haystack) {
223
224	Adresse bedsteAdresse = null;
225
226	Adresse hayArray[] = new Adresse[ haystack.size() ];
227	haystack.toArray(hayArray);
228
229	StringBuilder sb = new StringBuilder();
230	sb.append(base_url);
231	sb.append("/multitarget?loc=").append(a1.latitude).append(",").append(a1.longitude);
232
233	for(int i = 0; i<hayArray.length; i++) {
234	Adresse a = hayArray[i];
235	sb.append("&loc=").append( a.latitude ).append(",").append(a.longitude);
236	}
237
238	try {
239	String txtResponse = HttpUtil.getContentString(sb.toString(), 500, "UTF-8");
240	OSRMMultiTarget table = gson.fromJson(txtResponse, OSRMMultiTarget.class);
241
242
243	double bedsteAfstand = Double.MAX_VALUE;
244
245	for (int i = 1; i<table.distances.length; i++) {
246	if (table.distances[i].distance < bedsteAfstand) {
247	bedsteAfstand = table.distances[i].distance;
248	bedsteAdresse = hayArray[i];
249	}
250	}
251
252	} catch (Exception e) {
253	logger.log(Level.SEVERE, "Lookup failed", e);
254	System.exit(1);
255	}
256
257
258	return bedsteAdresse;
259	}
260
261	public Adresse getNearestViarouteHttp(Adresse a1, Collection<Adresse> haystack) {
262	int bedsteAfstand = Integer.MAX_VALUE;
263	Adresse bedsteAdresse = null;
264
265	try (CloseableHttpClient httpclient = HttpClients.createDefault()) {
266
267	String loc1 = a1.latitude + "," + a1.longitude;
268
269
270	for(Adresse a2: haystack) {
271	String loc2 = a2.latitude + "," + a2.longitude;
272
273	String uri = base_url + "/viaroute?loc=" + loc1 + "&loc=" + loc2 + "&geometry=false&instructions=false&alt=false";
274
275	HttpGet httpget = new HttpGet(uri);
276
277	ResponseHandler<String> responseHandler = new ResponseHandler<String>() {
278
279	@Override
280	public String handleResponse(final HttpResponse response) throws ClientProtocolException, IOException {
281	int status = response.getStatusLine().getStatusCode();
282
283	if (status >= 200 && status < 300) {
284	HttpEntity entity = response.getEntity();
285	return entity != null ? EntityUtils.toString(entity) : null;
286	} else {
287	throw new ClientProtocolException("Unexpected response status: " + status);
288	}
289	}
290
291	};
292	String responseBody = httpclient.execute(httpget, responseHandler);
293
294	OSRMResponse res = gson.fromJson(responseBody, OSRMResponse.class);
295
296
297
298	if (res.status != 0) {
299	System.out.println("OSRM Returned " + res.status + "/" + res.status_message );
300	continue;
301	}
302
303	if (res.route_summary.total_distance == 0) {
304	continue;
305	}
306
307
308	if (res.route_summary.total_distance < bedsteAfstand) {
309	bedsteAfstand = res.route_summary.total_distance;
310	bedsteAdresse = a2;
311	}
312
313	if (bedsteAfstand < 200) { //vejdistance er tæt nok på
314	return bedsteAdresse;
315	}
316
317	}
318
319	} catch (Exception e) {
320	logger.log(Level.SEVERE, "Lookup failed", e);
321	}
322
323	return bedsteAdresse;
324	}
325
326	/*
327	public Adresse getNearestViarouteJni(Adresse a1, Collection<Adresse> haystack) {
328
329	if (binding == null) {
330	initOsrm();
331	}
332
333
334	int bedsteAfstand = Integer.MAX_VALUE;
335	Adresse bedsteAdresse = null;
336
337
338	for(Adresse a2: haystack) {
339
340	ViarouteResult res = binding.viaRoute(a1.latitude, a1.longitude, a2.latitude, a2.longitude);
341
342
343	if (res.status != 0) {
344	System.out.println("OSRM Returned " + res.status );
345	continue;
346	}
347
348	if (res.totalDistance == 0) {
349	continue;
350	}
351
352
353	if (res.totalDistance < bedsteAfstand) {
354	bedsteAfstand = res.totalDistance;
355	bedsteAdresse = a2;
356	}
357
358	if (bedsteAfstand < 200) { //vejdistance er tæt nok på
359	return bedsteAdresse;
360	}
361
362	}
363
364	return bedsteAdresse;
365	}*/
366	}
367
368