fulddaekning/osrm/OSRMHelper.java

package dk.daoas.fulddaekning.osrm;

import java.io.IOException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;
import java.util.concurrent.Future;
import java.util.logging.Level;
import java.util.logging.Logger;

import org.apache.http.HttpEntity;
import org.apache.http.HttpHost;
import org.apache.http.HttpRequest;
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.impl.nio.client.CloseableHttpPipeliningClient;
import org.apache.http.impl.nio.client.HttpAsyncClients;
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 {

        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 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);
                        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 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	torben	2735	import java.util.ArrayList;
5	torben	2708	import java.util.Collection;
6			import java.util.Iterator;
7	torben	2735	import java.util.List;
8			import java.util.concurrent.Future;
9	torben	2720	import java.util.logging.Level;
10			import java.util.logging.Logger;
11	torben	2708
12	torben	2735	import org.apache.http.HttpEntity;
13	torben	2730	import org.apache.http.HttpHost;
14			import org.apache.http.HttpRequest;
15			import org.apache.http.HttpResponse;
16	torben	2735	import org.apache.http.client.ClientProtocolException;
17			import org.apache.http.client.ResponseHandler;
18	torben	2730	import org.apache.http.client.methods.HttpGet;
19	torben	2735	import org.apache.http.impl.client.CloseableHttpClient;
20			import org.apache.http.impl.client.HttpClients;
21	torben	2730	import org.apache.http.impl.nio.client.CloseableHttpPipeliningClient;
22			import org.apache.http.impl.nio.client.HttpAsyncClients;
23			import org.apache.http.util.EntityUtils;
24
25	torben	2708	import com.google.gson.Gson;
26
27			import dk.daoas.fulddaekning.Adresse;
28			import dk.daoas.fulddaekning.HttpUtil;
29
30	torben	2733
31	torben	2741	import dk.thoerup.osrmbinding.OSRMBinding;
32			import dk.thoerup.osrmbinding.ViarouteResult;
33
34	torben	2708	public class OSRMHelper {
35	torben	2733
36	torben	2720	final static Logger logger = Logger.getLogger( OSRMHelper.class.toString() );
37	torben	2733
38	torben	2708	Gson gson = new Gson();
39
40	torben	2741	static OSRMBinding binding = null;
41	torben	2733
42	torben	2741	final String host = "127.0.0.1";
43	torben	2730	final int port = 5000;
44			final String base_url = "http://" + host + ":" + port;
45
46	torben	2741	private static synchronized void initOsrm() {
47			if (binding == null) {
48			binding = new OSRMBinding("/home/openstreetmap/denmark-latest.osrm");
49			}
50			}
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			OSRMDistanceTable table = gson.fromJson(txtResponse, OSRMDistanceTable.class);
71	torben	2723	if (table.status != 0) {
72			logger.info("OSRM failed with message: " + table.status_message);
73			return null;
74			}
75	torben	2733
76	torben	2708	int bedsteTid = Integer.MAX_VALUE;
77	torben	2733
78	torben	2708	for (int i = 1; i<table.distance_table.length; i++) {
79			if (table.distance_table[0][i] < bedsteTid) {
80			bedsteTid = table.distance_table[0][i];
81			int idx = i-1;
82			bedsteAdresse = hayArray[idx];
83			}
84			}
85
86			} catch (Exception e) {
87	torben	2720	logger.log(Level.SEVERE, "Lookup failed", e);
88	torben	2708	System.exit(1);
89			}
90	torben	2733
91	torben	2708	//return gson.fromJson(txtResponse, OSRMResponse.class);
92	torben	2733
93
94	torben	2708	return bedsteAdresse;
95			}
96	torben	2741
97			public Adresse getNearestTableJni(Adresse a1, Collection<Adresse> haystack) {
98			if (binding == null) {
99			initOsrm();
100			}
101
102			Adresse bedsteAdresse = null;
103
104			Adresse hayArray[] = new Adresse[ haystack.size() ];
105			haystack.toArray(hayArray);
106
107			dk.thoerup.osrmbinding.Geopoint points[] = new dk.thoerup.osrmbinding.Geopoint[ hayArray.length + 1 ];
108			points[0] = new dk.thoerup.osrmbinding.Geopoint( a1.latitude, a1.longitude);
109
110
111			for(int i = 0; i<hayArray.length; i++) {
112			Adresse a = hayArray[i];
113			int idx = i+1;
114			points[idx] = new dk.thoerup.osrmbinding.Geopoint(a.latitude, a.longitude);
115			}
116
117			try {
118			float distance_table[][] = binding.table( points );
119
120			int bedsteTid = Integer.MAX_VALUE;
121
122			for (int i = 1; i<distance_table.length; i++) {
123			if (distance_table[0][i] < bedsteTid) {
124			bedsteTid = (int) distance_table[0][i];
125			int idx = i-1;
126			bedsteAdresse = hayArray[idx];
127			}
128			}
129
130			} catch (Exception e) {
131			logger.log(Level.SEVERE, "Lookup failed", e);
132			System.exit(1);
133			}
134
135			return bedsteAdresse;
136			}
137	torben	2735
138	torben	2741	public Adresse getNearestViarouteHttp(Adresse a1, Collection<Adresse> haystack) {
139	torben	2735	int bedsteAfstand = Integer.MAX_VALUE;
140			Adresse bedsteAdresse = null;
141
142			try (CloseableHttpClient httpclient = HttpClients.createDefault()) {
143
144			String loc1 = a1.latitude + "," + a1.longitude;
145	torben	2730
146	torben	2735
147			for(Adresse a2: haystack) {
148			String loc2 = a2.latitude + "," + a2.longitude;
149
150			String uri = base_url + "/viaroute?loc=" + loc1 + "&loc=" + loc2 + "&geometry=false&instructions=false&alt=false";
151
152			HttpGet httpget = new HttpGet(uri);
153
154			ResponseHandler<String> responseHandler = new ResponseHandler<String>() {
155
156			@Override
157			public String handleResponse(final HttpResponse response) throws ClientProtocolException, IOException {
158			int status = response.getStatusLine().getStatusCode();
159
160			if (status >= 200 && status < 300) {
161			HttpEntity entity = response.getEntity();
162			return entity != null ? EntityUtils.toString(entity) : null;
163			} else {
164			throw new ClientProtocolException("Unexpected response status: " + status);
165			}
166			}
167
168			};
169			String responseBody = httpclient.execute(httpget, responseHandler);
170
171			OSRMResponse res = gson.fromJson(responseBody, OSRMResponse.class);
172
173
174
175			if (res.status != 0) {
176			System.out.println("OSRM Returned " + res.status + "/" + res.status_message );
177			continue;
178			}
179
180	torben	2741	if (res.route_summary.total_distance == 0) {
181			continue;
182			}
183	torben	2735
184	torben	2741
185	torben	2735	if (res.route_summary.total_distance < bedsteAfstand) {
186			bedsteAfstand = res.route_summary.total_distance;
187			bedsteAdresse = a2;
188			}
189	torben	2741
190			if (bedsteAfstand < 200) { //vejdistance er tæt nok på
191			return bedsteAdresse;
192			}
193	torben	2735
194			}
195
196			} catch (Exception e) {
197			logger.log(Level.SEVERE, "Lookup failed", e);
198			}
199
200			return bedsteAdresse;
201			}
202
203	torben	2741
204			public Adresse getNearestViarouteJni(Adresse a1, Collection<Adresse> haystack) {
205	torben	2735
206	torben	2741	if (binding == null) {
207			initOsrm();
208			}
209	torben	2733
210	torben	2741
211	torben	2730	int bedsteAfstand = Integer.MAX_VALUE;
212			Adresse bedsteAdresse = null;
213	torben	2741
214
215			for(Adresse a2: haystack) {
216	torben	2730
217	torben	2741	ViarouteResult res = binding.viaRoute(a1.latitude, a1.longitude, a2.latitude, a2.longitude);
218	torben	2730
219	torben	2741
220			if (res.status != 0) {
221			System.out.println("OSRM Returned " + res.status );
222			continue;
223	torben	2733	}
224	torben	2730
225	torben	2741	if (res.totalDistance == 0) {
226	torben	2731	continue;
227			}
228	torben	2733
229
230	torben	2741	if (res.totalDistance < bedsteAfstand) {
231			bedsteAfstand = res.totalDistance;
232	torben	2708	bedsteAdresse = a2;
233			}
234	torben	2733
235	torben	2741	if (bedsteAfstand < 200) { //vejdistance er tæt nok på
236			return bedsteAdresse;
237			}
238
239			}
240	torben	2733
241	torben	2708	return bedsteAdresse;
242			}
243	torben	2741	}
244	torben	2733
245