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 {
        
        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 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	2744	/*
31	torben	2741	import dk.thoerup.osrmbinding.OSRMBinding;
32			import dk.thoerup.osrmbinding.ViarouteResult;
33	torben	2744	*/
34	torben	2741
35	torben	2708	public class OSRMHelper {
36	torben	2744
37			private static final boolean ENABLE_OSRM = false;
38	torben	2733
39	torben	2744
40	torben	2720	final static Logger logger = Logger.getLogger( OSRMHelper.class.toString() );
41	torben	2733
42	torben	2708	Gson gson = new Gson();
43
44	torben	2744	//static OSRMBinding binding = null;
45	torben	2733
46	torben	2741	final String host = "127.0.0.1";
47	torben	2730	final int port = 5000;
48			final String base_url = "http://" + host + ":" + port;
49	torben	2744	/*
50	torben	2741	private static synchronized void initOsrm() {
51			if (binding == null) {
52			binding = new OSRMBinding("/home/openstreetmap/denmark-latest.osrm");
53			}
54			}
55	torben	2744	*/
56	torben	2733
57	torben	2741	public Adresse getNearestTableHttp(Adresse a1, Collection<Adresse> haystack) {
58
59	torben	2708	Adresse bedsteAdresse = null;
60	torben	2733
61	torben	2708	Adresse hayArray[] = new Adresse[ haystack.size() ];
62			haystack.toArray(hayArray);
63	torben	2733
64	torben	2708	StringBuilder sb = new StringBuilder();
65			sb.append(base_url);
66			sb.append("/table?loc=").append(a1.latitude).append(",").append(a1.longitude);
67	torben	2733
68	torben	2708	for(int i = 0; i<hayArray.length; i++) {
69			Adresse a = hayArray[i];
70			sb.append("&loc=").append( a.latitude ).append(",").append(a.longitude);
71			}
72	torben	2733
73	torben	2708	try {
74			String txtResponse = HttpUtil.getContentString(sb.toString(), 500, "UTF-8");
75			OSRMDistanceTable table = gson.fromJson(txtResponse, OSRMDistanceTable.class);
76	torben	2723	if (table.status != 0) {
77			logger.info("OSRM failed with message: " + table.status_message);
78			return null;
79			}
80	torben	2733
81	torben	2708	int bedsteTid = Integer.MAX_VALUE;
82	torben	2733
83	torben	2708	for (int i = 1; i<table.distance_table.length; i++) {
84			if (table.distance_table[0][i] < bedsteTid) {
85			bedsteTid = table.distance_table[0][i];
86			int idx = i-1;
87			bedsteAdresse = hayArray[idx];
88			}
89			}
90
91			} catch (Exception e) {
92	torben	2720	logger.log(Level.SEVERE, "Lookup failed", e);
93	torben	2708	System.exit(1);
94			}
95	torben	2733
96	torben	2708	//return gson.fromJson(txtResponse, OSRMResponse.class);
97	torben	2733
98
99	torben	2708	return bedsteAdresse;
100			}
101	torben	2744	/*
102	torben	2741	public Adresse getNearestTableJni(Adresse a1, Collection<Adresse> haystack) {
103			if (binding == null) {
104			initOsrm();
105			}
106
107			Adresse bedsteAdresse = null;
108
109			Adresse hayArray[] = new Adresse[ haystack.size() ];
110			haystack.toArray(hayArray);
111
112			dk.thoerup.osrmbinding.Geopoint points[] = new dk.thoerup.osrmbinding.Geopoint[ hayArray.length + 1 ];
113			points[0] = new dk.thoerup.osrmbinding.Geopoint( a1.latitude, a1.longitude);
114
115
116			for(int i = 0; i<hayArray.length; i++) {
117			Adresse a = hayArray[i];
118			int idx = i+1;
119			points[idx] = new dk.thoerup.osrmbinding.Geopoint(a.latitude, a.longitude);
120			}
121
122			try {
123			float distance_table[][] = binding.table( points );
124
125			int bedsteTid = Integer.MAX_VALUE;
126
127			for (int i = 1; i<distance_table.length; i++) {
128			if (distance_table[0][i] < bedsteTid) {
129			bedsteTid = (int) distance_table[0][i];
130			int idx = i-1;
131			bedsteAdresse = hayArray[idx];
132			}
133			}
134
135			} catch (Exception e) {
136			logger.log(Level.SEVERE, "Lookup failed", e);
137			System.exit(1);
138			}
139
140			return bedsteAdresse;
141	torben	2744	}*/
142	torben	2735
143	torben	2741	public Adresse getNearestViarouteHttp(Adresse a1, Collection<Adresse> haystack) {
144	torben	2735	int bedsteAfstand = Integer.MAX_VALUE;
145			Adresse bedsteAdresse = null;
146
147			try (CloseableHttpClient httpclient = HttpClients.createDefault()) {
148
149			String loc1 = a1.latitude + "," + a1.longitude;
150	torben	2730
151	torben	2735
152			for(Adresse a2: haystack) {
153			String loc2 = a2.latitude + "," + a2.longitude;
154
155			String uri = base_url + "/viaroute?loc=" + loc1 + "&loc=" + loc2 + "&geometry=false&instructions=false&alt=false";
156
157			HttpGet httpget = new HttpGet(uri);
158
159			ResponseHandler<String> responseHandler = new ResponseHandler<String>() {
160
161			@Override
162			public String handleResponse(final HttpResponse response) throws ClientProtocolException, IOException {
163			int status = response.getStatusLine().getStatusCode();
164
165			if (status >= 200 && status < 300) {
166			HttpEntity entity = response.getEntity();
167			return entity != null ? EntityUtils.toString(entity) : null;
168			} else {
169			throw new ClientProtocolException("Unexpected response status: " + status);
170			}
171			}
172
173			};
174			String responseBody = httpclient.execute(httpget, responseHandler);
175
176			OSRMResponse res = gson.fromJson(responseBody, OSRMResponse.class);
177
178
179
180			if (res.status != 0) {
181			System.out.println("OSRM Returned " + res.status + "/" + res.status_message );
182			continue;
183			}
184
185	torben	2741	if (res.route_summary.total_distance == 0) {
186			continue;
187			}
188	torben	2735
189	torben	2741
190	torben	2735	if (res.route_summary.total_distance < bedsteAfstand) {
191			bedsteAfstand = res.route_summary.total_distance;
192			bedsteAdresse = a2;
193			}
194	torben	2741
195			if (bedsteAfstand < 200) { //vejdistance er tæt nok på
196			return bedsteAdresse;
197			}
198	torben	2735
199			}
200
201			} catch (Exception e) {
202			logger.log(Level.SEVERE, "Lookup failed", e);
203			}
204
205			return bedsteAdresse;
206			}
207
208	torben	2744	/*
209	torben	2741	public Adresse getNearestViarouteJni(Adresse a1, Collection<Adresse> haystack) {
210	torben	2735
211	torben	2741	if (binding == null) {
212			initOsrm();
213			}
214	torben	2733
215	torben	2741
216	torben	2730	int bedsteAfstand = Integer.MAX_VALUE;
217			Adresse bedsteAdresse = null;
218	torben	2741
219
220			for(Adresse a2: haystack) {
221	torben	2730
222	torben	2741	ViarouteResult res = binding.viaRoute(a1.latitude, a1.longitude, a2.latitude, a2.longitude);
223	torben	2730
224	torben	2741
225			if (res.status != 0) {
226			System.out.println("OSRM Returned " + res.status );
227			continue;
228	torben	2733	}
229	torben	2730
230	torben	2741	if (res.totalDistance == 0) {
231	torben	2731	continue;
232			}
233	torben	2733
234
235	torben	2741	if (res.totalDistance < bedsteAfstand) {
236			bedsteAfstand = res.totalDistance;
237	torben	2708	bedsteAdresse = a2;
238			}
239	torben	2733
240	torben	2741	if (bedsteAfstand < 200) { //vejdistance er tæt nok på
241			return bedsteAdresse;
242			}
243
244			}
245	torben	2733
246	torben	2708	return bedsteAdresse;
247	torben	2744	}*/
248	torben	2741	}
249	torben	2733
250