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;
                        }

                        int bedsteTid = Integer.MAX_VALUE;

                        for (int i = 1; i<table.distance_table.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 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 );

                        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	String txtResponse = HttpUtil.getContentString(sb.toString(), 500, "UTF-8");
70	//OSRMDistanceTable table = gson.fromJson(txtResponse, OSRMDistanceTable.class);
71	OSRMDistanceTable table = JSONValue.parse(txtResponse, OSRMDistanceTable.class);
72	if (table.status != 0) {
73	logger.info("OSRM failed with message: " + table.status_message);
74	return null;
75	}
76
77	int bedsteTid = Integer.MAX_VALUE;
78
79	for (int i = 1; i<table.distance_table.length; i++) {
80	if (table.distance_table[0][i] < bedsteTid) {
81	bedsteTid = table.distance_table[0][i];
82	int idx = i-1;
83	bedsteAdresse = hayArray[idx];
84	}
85	}
86
87	} catch (Exception e) {
88	logger.log(Level.SEVERE, "Lookup failed", e);
89	System.exit(1);
90	}
91
92	//return gson.fromJson(txtResponse, OSRMResponse.class);
93
94
95	return bedsteAdresse;
96	}
97
98
99
100	/*
101	public Adresse getNearestTableJni(Adresse a1, Collection<Adresse> haystack) {
102	if (binding == null) {
103	initOsrm();
104	}
105
106	Adresse bedsteAdresse = null;
107
108	Adresse hayArray[] = new Adresse[ haystack.size() ];
109	haystack.toArray(hayArray);
110
111	dk.thoerup.osrmbinding.Geopoint points[] = new dk.thoerup.osrmbinding.Geopoint[ hayArray.length + 1 ];
112	points[0] = new dk.thoerup.osrmbinding.Geopoint( a1.latitude, a1.longitude);
113
114
115	for(int i = 0; i<hayArray.length; i++) {
116	Adresse a = hayArray[i];
117	int idx = i+1;
118	points[idx] = new dk.thoerup.osrmbinding.Geopoint(a.latitude, a.longitude);
119	}
120
121	try {
122	float distance_table[][] = binding.table( points );
123
124	int bedsteTid = Integer.MAX_VALUE;
125
126	for (int i = 1; i<distance_table.length; i++) {
127	if (distance_table[0][i] < bedsteTid) {
128	bedsteTid = (int) distance_table[0][i];
129	int idx = i-1;
130	bedsteAdresse = hayArray[idx];
131	}
132	}
133
134	} catch (Exception e) {
135	logger.log(Level.SEVERE, "Lookup failed", e);
136	System.exit(1);
137	}
138
139	return bedsteAdresse;
140	}*/
141
142
143	public Adresse getNearestMultitargetHttp(Adresse a1, Collection<Adresse> haystack) {
144
145	Adresse bedsteAdresse = null;
146
147	Adresse hayArray[] = new Adresse[ haystack.size() ];
148	haystack.toArray(hayArray);
149
150	StringBuilder sb = new StringBuilder();
151	sb.append(base_url);
152	sb.append("/multitarget?loc=").append(a1.latitude).append(",").append(a1.longitude);
153
154	for(int i = 0; i<hayArray.length; i++) {
155	Adresse a = hayArray[i];
156	sb.append("&loc=").append( a.latitude ).append(",").append(a.longitude);
157	}
158
159	try {
160	String txtResponse = HttpUtil.getContentString(sb.toString(), 500, "UTF-8");
161	OSRMMultiTarget table = gson.fromJson(txtResponse, OSRMMultiTarget.class);
162
163
164	double bedsteAfstand = Double.MAX_VALUE;
165
166	for (int i = 1; i<table.distances.length; i++) {
167	if (table.distances[i].distance < bedsteAfstand) {
168	bedsteAfstand = table.distances[i].distance;
169	bedsteAdresse = hayArray[i];
170	}
171	}
172
173	} catch (Exception e) {
174	logger.log(Level.SEVERE, "Lookup failed", e);
175	System.exit(1);
176	}
177
178
179	return bedsteAdresse;
180	}
181
182	public Adresse getNearestViarouteHttp(Adresse a1, Collection<Adresse> haystack) {
183	int bedsteAfstand = Integer.MAX_VALUE;
184	Adresse bedsteAdresse = null;
185
186	try (CloseableHttpClient httpclient = HttpClients.createDefault()) {
187
188	String loc1 = a1.latitude + "," + a1.longitude;
189
190
191	for(Adresse a2: haystack) {
192	String loc2 = a2.latitude + "," + a2.longitude;
193
194	String uri = base_url + "/viaroute?loc=" + loc1 + "&loc=" + loc2 + "&geometry=false&instructions=false&alt=false";
195
196	HttpGet httpget = new HttpGet(uri);
197
198	ResponseHandler<String> responseHandler = new ResponseHandler<String>() {
199
200	@Override
201	public String handleResponse(final HttpResponse response) throws ClientProtocolException, IOException {
202	int status = response.getStatusLine().getStatusCode();
203
204	if (status >= 200 && status < 300) {
205	HttpEntity entity = response.getEntity();
206	return entity != null ? EntityUtils.toString(entity) : null;
207	} else {
208	throw new ClientProtocolException("Unexpected response status: " + status);
209	}
210	}
211
212	};
213	String responseBody = httpclient.execute(httpget, responseHandler);
214
215	OSRMResponse res = gson.fromJson(responseBody, OSRMResponse.class);
216
217
218
219	if (res.status != 0) {
220	System.out.println("OSRM Returned " + res.status + "/" + res.status_message );
221	continue;
222	}
223
224	if (res.route_summary.total_distance == 0) {
225	continue;
226	}
227
228
229	if (res.route_summary.total_distance < bedsteAfstand) {
230	bedsteAfstand = res.route_summary.total_distance;
231	bedsteAdresse = a2;
232	}
233
234	if (bedsteAfstand < 200) { //vejdistance er tæt nok på
235	return bedsteAdresse;
236	}
237
238	}
239
240	} catch (Exception e) {
241	logger.log(Level.SEVERE, "Lookup failed", e);
242	}
243
244	return bedsteAdresse;
245	}
246
247	/*
248	public Adresse getNearestViarouteJni(Adresse a1, Collection<Adresse> haystack) {
249
250	if (binding == null) {
251	initOsrm();
252	}
253
254
255	int bedsteAfstand = Integer.MAX_VALUE;
256	Adresse bedsteAdresse = null;
257
258
259	for(Adresse a2: haystack) {
260
261	ViarouteResult res = binding.viaRoute(a1.latitude, a1.longitude, a2.latitude, a2.longitude);
262
263
264	if (res.status != 0) {
265	System.out.println("OSRM Returned " + res.status );
266	continue;
267	}
268
269	if (res.totalDistance == 0) {
270	continue;
271	}
272
273
274	if (res.totalDistance < bedsteAfstand) {
275	bedsteAfstand = res.totalDistance;
276	bedsteAdresse = a2;
277	}
278
279	if (bedsteAfstand < 200) { //vejdistance er tæt nok på
280	return bedsteAdresse;
281	}
282
283	}
284
285	return bedsteAdresse;
286	}*/
287	}
288
289