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	torben	2708	package dk.daoas.fulddaekning.osrm;
2
3			import java.io.IOException;
4			import java.util.Collection;
5	torben	2720	import java.util.logging.Level;
6			import java.util.logging.Logger;
7	torben	2708
8	torben	2750	import net.minidev.json.JSONValue;
9
10	torben	2735	import org.apache.http.HttpEntity;
11	torben	2730	import org.apache.http.HttpResponse;
12	torben	2735	import org.apache.http.client.ClientProtocolException;
13			import org.apache.http.client.ResponseHandler;
14	torben	2730	import org.apache.http.client.methods.HttpGet;
15	torben	2735	import org.apache.http.impl.client.CloseableHttpClient;
16			import org.apache.http.impl.client.HttpClients;
17	torben	2730	import org.apache.http.util.EntityUtils;
18
19	torben	2708	import com.google.gson.Gson;
20
21			import dk.daoas.fulddaekning.Adresse;
22			import dk.daoas.fulddaekning.HttpUtil;
23
24	torben	2744	/*
25	torben	2741	import dk.thoerup.osrmbinding.OSRMBinding;
26			import dk.thoerup.osrmbinding.ViarouteResult;
27	torben	2744	*/
28	torben	2741
29	torben	2708	public class OSRMHelper {
30	torben	2744
31			private static final boolean ENABLE_OSRM = false;
32	torben	2733
33	torben	2744
34	torben	2720	final static Logger logger = Logger.getLogger( OSRMHelper.class.toString() );
35	torben	2733
36	torben	2708	Gson gson = new Gson();
37
38	torben	2744	//static OSRMBinding binding = null;
39	torben	2733
40	torben	2749	//final String host = "127.0.0.1";
41			final String host = "10.30.2.103";
42	torben	2730	final int port = 5000;
43			final String base_url = "http://" + host + ":" + port;
44	torben	2744	/*
45	torben	2741	private static synchronized void initOsrm() {
46			if (binding == null) {
47			binding = new OSRMBinding("/home/openstreetmap/denmark-latest.osrm");
48			}
49			}
50	torben	2744	*/
51	torben	2733
52	torben	2741	public Adresse getNearestTableHttp(Adresse a1, Collection<Adresse> haystack) {
53
54	torben	2708	Adresse bedsteAdresse = null;
55	torben	2733
56	torben	2708	Adresse hayArray[] = new Adresse[ haystack.size() ];
57			haystack.toArray(hayArray);
58	torben	2733
59	torben	2708	StringBuilder sb = new StringBuilder();
60			sb.append(base_url);
61			sb.append("/table?loc=").append(a1.latitude).append(",").append(a1.longitude);
62	torben	2733
63	torben	2708	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	torben	2733
68	torben	2708	try {
69			String txtResponse = HttpUtil.getContentString(sb.toString(), 500, "UTF-8");
70	torben	2750	//OSRMDistanceTable table = gson.fromJson(txtResponse, OSRMDistanceTable.class);
71			OSRMDistanceTable table = JSONValue.parse(txtResponse, OSRMDistanceTable.class);
72	torben	2723	if (table.status != 0) {
73			logger.info("OSRM failed with message: " + table.status_message);
74			return null;
75			}
76	torben	2733
77	torben	2708	int bedsteTid = Integer.MAX_VALUE;
78	torben	2733
79	torben	2708	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	torben	2720	logger.log(Level.SEVERE, "Lookup failed", e);
89	torben	2708	System.exit(1);
90			}
91	torben	2733
92	torben	2708	//return gson.fromJson(txtResponse, OSRMResponse.class);
93	torben	2733
94
95	torben	2708	return bedsteAdresse;
96			}
97	torben	2749
98
99
100	torben	2744	/*
101	torben	2741	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	torben	2744	}*/
141	torben	2735
142	torben	2749
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	torben	2741	public Adresse getNearestViarouteHttp(Adresse a1, Collection<Adresse> haystack) {
183	torben	2735	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	torben	2730
190	torben	2735
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	torben	2741	if (res.route_summary.total_distance == 0) {
225			continue;
226			}
227	torben	2735
228	torben	2741
229	torben	2735	if (res.route_summary.total_distance < bedsteAfstand) {
230			bedsteAfstand = res.route_summary.total_distance;
231			bedsteAdresse = a2;
232			}
233	torben	2741
234			if (bedsteAfstand < 200) { //vejdistance er tæt nok på
235			return bedsteAdresse;
236			}
237	torben	2735
238			}
239
240			} catch (Exception e) {
241			logger.log(Level.SEVERE, "Lookup failed", e);
242			}
243
244			return bedsteAdresse;
245			}
246
247	torben	2744	/*
248	torben	2741	public Adresse getNearestViarouteJni(Adresse a1, Collection<Adresse> haystack) {
249	torben	2735
250	torben	2741	if (binding == null) {
251			initOsrm();
252			}
253	torben	2733
254	torben	2741
255	torben	2730	int bedsteAfstand = Integer.MAX_VALUE;
256			Adresse bedsteAdresse = null;
257	torben	2741
258
259			for(Adresse a2: haystack) {
260	torben	2730
261	torben	2741	ViarouteResult res = binding.viaRoute(a1.latitude, a1.longitude, a2.latitude, a2.longitude);
262	torben	2730
263	torben	2741
264			if (res.status != 0) {
265			System.out.println("OSRM Returned " + res.status );
266			continue;
267	torben	2733	}
268	torben	2730
269	torben	2741	if (res.totalDistance == 0) {
270	torben	2731	continue;
271			}
272	torben	2733
273
274	torben	2741	if (res.totalDistance < bedsteAfstand) {
275			bedsteAfstand = res.totalDistance;
276	torben	2708	bedsteAdresse = a2;
277			}
278	torben	2733
279	torben	2741	if (bedsteAfstand < 200) { //vejdistance er tæt nok på
280			return bedsteAdresse;
281			}
282
283			}
284	torben	2733
285	torben	2708	return bedsteAdresse;
286	torben	2744	}*/
287	torben	2741	}
288	torben	2733
289