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	package dk.daoas.fulddaekning.osrm;
2
3	import java.io.IOException;
4	import java.util.ArrayList;
5	import java.util.Collection;
6	import java.util.Iterator;
7	import java.util.List;
8	import java.util.concurrent.Future;
9	import java.util.logging.Level;
10	import java.util.logging.Logger;
11
12	import org.apache.http.HttpEntity;
13	import org.apache.http.HttpHost;
14	import org.apache.http.HttpRequest;
15	import org.apache.http.HttpResponse;
16	import org.apache.http.client.ClientProtocolException;
17	import org.apache.http.client.ResponseHandler;
18	import org.apache.http.client.methods.HttpGet;
19	import org.apache.http.impl.client.CloseableHttpClient;
20	import org.apache.http.impl.client.HttpClients;
21	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	import com.google.gson.Gson;
26
27	import dk.daoas.fulddaekning.Adresse;
28	import dk.daoas.fulddaekning.HttpUtil;
29
30
31	import dk.thoerup.osrmbinding.OSRMBinding;
32	import dk.thoerup.osrmbinding.ViarouteResult;
33
34	public class OSRMHelper {
35
36	final static Logger logger = Logger.getLogger( OSRMHelper.class.toString() );
37
38	Gson gson = new Gson();
39
40	static OSRMBinding binding = null;
41
42	final String host = "127.0.0.1";
43	final int port = 5000;
44	final String base_url = "http://" + host + ":" + port;
45
46	private static synchronized void initOsrm() {
47	if (binding == null) {
48	binding = new OSRMBinding("/home/openstreetmap/denmark-latest.osrm");
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	if (table.status != 0) {
72	logger.info("OSRM failed with message: " + table.status_message);
73	return null;
74	}
75
76	int bedsteTid = Integer.MAX_VALUE;
77
78	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	logger.log(Level.SEVERE, "Lookup failed", e);
88	System.exit(1);
89	}
90
91	//return gson.fromJson(txtResponse, OSRMResponse.class);
92
93
94	return bedsteAdresse;
95	}
96
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
138	public Adresse getNearestViarouteHttp(Adresse a1, Collection<Adresse> haystack) {
139	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
146
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	if (res.route_summary.total_distance == 0) {
181	continue;
182	}
183
184
185	if (res.route_summary.total_distance < bedsteAfstand) {
186	bedsteAfstand = res.route_summary.total_distance;
187	bedsteAdresse = a2;
188	}
189
190	if (bedsteAfstand < 200) { //vejdistance er tæt nok på
191	return bedsteAdresse;
192	}
193
194	}
195
196	} catch (Exception e) {
197	logger.log(Level.SEVERE, "Lookup failed", e);
198	}
199
200	return bedsteAdresse;
201	}
202
203
204	public Adresse getNearestViarouteJni(Adresse a1, Collection<Adresse> haystack) {
205
206	if (binding == null) {
207	initOsrm();
208	}
209
210
211	int bedsteAfstand = Integer.MAX_VALUE;
212	Adresse bedsteAdresse = null;
213
214
215	for(Adresse a2: haystack) {
216
217	ViarouteResult res = binding.viaRoute(a1.latitude, a1.longitude, a2.latitude, a2.longitude);
218
219
220	if (res.status != 0) {
221	System.out.println("OSRM Returned " + res.status );
222	continue;
223	}
224
225	if (res.totalDistance == 0) {
226	continue;
227	}
228
229
230	if (res.totalDistance < bedsteAfstand) {
231	bedsteAfstand = res.totalDistance;
232	bedsteAdresse = a2;
233	}
234
235	if (bedsteAfstand < 200) { //vejdistance er tæt nok på
236	return bedsteAdresse;
237	}
238
239	}
240
241	return bedsteAdresse;
242	}
243	}
244
245