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;


public class OSRMHelper {

        final static Logger logger = Logger.getLogger( OSRMHelper.class.toString() );

        Gson gson = new Gson();


        final String host = "10.30.2.61";
        final int port = 5000;
        final String base_url = "http://" + host + ":" + port;

        public Adresse getNearestViaTable(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 getNearestApacheClient(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 < bedsteAfstand) {
                                        bedsteAfstand = res.route_summary.total_distance;
                                        bedsteAdresse = a2;
                                }
                    
                        }
                        
                } catch (Exception e) {
                        logger.log(Level.SEVERE, "Lookup failed", e);
                }

                return bedsteAdresse;
        }


        public Adresse getNearestPipeline(Adresse a1, Collection<Adresse> haystack) {

                int bedsteAfstand = Integer.MAX_VALUE;
                Adresse bedsteAdresse = null;

                Adresse hayArray[] = new Adresse[ haystack.size() ];
                haystack.toArray(hayArray);


                try (CloseableHttpPipeliningClient httpclient = HttpAsyncClients.createPipelining(); ) {
                        httpclient.start();

                        HttpHost targetHost = new HttpHost(host, port);

                        System.out.println("1>" + targetHost.toString() );
                        System.out.println("2>" + targetHost.toURI() );

                        List<HttpRequest> requests = new ArrayList<HttpRequest>();

                        String loc1 = a1.latitude + "," + a1.longitude;

                        //for (int i=0; i<hayArray.length; i++) {
                        for (int i=0; i<2; i++) {
                                Adresse a2 = hayArray[i];
                                String loc2 = a2.latitude + "," + a2.longitude;

                                String uri = "/viaroute?loc=" + loc1 + "&loc=" + loc2 + "&geometry=false&instructions=false&alt=false";
                                System.out.println( uri );

                                requests.add( new HttpGet(uri) );

                        }


                        Future<List<HttpResponse>> future = httpclient.execute(targetHost, requests, null);
                        List<HttpResponse> responses = future.get();

                        HttpResponse respArr[] = new HttpResponse[ responses.size() ];
                        responses.toArray( respArr );

                        for (int i=0; i<respArr.length; i++) {
                                String jsonBody = EntityUtils.toString( respArr[i].getEntity() );
                                OSRMResponse res = gson.fromJson(jsonBody, OSRMResponse.class);

                                if (res.route_summary.total_distance < bedsteAfstand) {
                                        bedsteAfstand = res.route_summary.total_distance;
                                        bedsteAdresse = hayArray[i];
                                }

                        }

                } catch(Exception e) {
                        logger.log(Level.SEVERE, "Lookup failed", e);

                } 


                return bedsteAdresse;
        }


        /*
         * Denne virker men table opslaget er 10 gange hurtigere
         * 
         */
        @Deprecated
        public Adresse getNearest(Adresse a1, Collection<Adresse> haystack) {
                int bedsteAfstand = Integer.MAX_VALUE;
                Adresse bedsteAdresse = null;

                Iterator<Adresse> it = haystack.iterator();
                while (it.hasNext()) {
                        Adresse a2 = it.next();

                        try {
                                OSRMResponse res = getRoute(a1, a2);

                                if (res.status != 0) {
                                        System.out.println("OSRM Returned " + res.status + "/" + res.status_message );
                                        continue;
                                }


                                if (res.route_summary.total_distance < bedsteAfstand) {
                                        bedsteAfstand = res.route_summary.total_distance;
                                        bedsteAdresse = a2;
                                }
                        } catch (IOException e) {
                                System.out.println( e.getMessage() );
                                System.exit(1);
                        }

                }

                return bedsteAdresse;
        }

        public OSRMResponse getRoute(Adresse a1, Adresse a2) throws IOException {

                String loc1 = a1.latitude + "," + a1.longitude;
                String loc2 = a2.latitude + "," + a2.longitude;

                String params = "loc=" + loc1 + "&loc=" + loc2 + "&geometry=false&instructions=false&alt=false";

                String url = base_url + "/viaroute?" + params;

                String txtResponse = HttpUtil.getContentString(url, 500, "UTF-8");

                return gson.fromJson(txtResponse, OSRMResponse.class);
        }
}
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	public class OSRMHelper {
32
33	final static Logger logger = Logger.getLogger( OSRMHelper.class.toString() );
34
35	Gson gson = new Gson();
36
37
38	final String host = "10.30.2.61";
39	final int port = 5000;
40	final String base_url = "http://" + host + ":" + port;
41
42	public Adresse getNearestViaTable(Adresse a1, Collection<Adresse> haystack) {
43
44	Adresse bedsteAdresse = null;
45
46	Adresse hayArray[] = new Adresse[ haystack.size() ];
47	haystack.toArray(hayArray);
48
49	StringBuilder sb = new StringBuilder();
50	sb.append(base_url);
51	sb.append("/table?loc=").append(a1.latitude).append(",").append(a1.longitude);
52
53	for(int i = 0; i<hayArray.length; i++) {
54	Adresse a = hayArray[i];
55	sb.append("&loc=").append( a.latitude ).append(",").append(a.longitude);
56	}
57
58	try {
59	String txtResponse = HttpUtil.getContentString(sb.toString(), 500, "UTF-8");
60	OSRMDistanceTable table = gson.fromJson(txtResponse, OSRMDistanceTable.class);
61	if (table.status != 0) {
62	logger.info("OSRM failed with message: " + table.status_message);
63	return null;
64	}
65
66	int bedsteTid = Integer.MAX_VALUE;
67
68	for (int i = 1; i<table.distance_table.length; i++) {
69	if (table.distance_table[0][i] < bedsteTid) {
70	bedsteTid = table.distance_table[0][i];
71	int idx = i-1;
72	bedsteAdresse = hayArray[idx];
73	}
74	}
75
76	} catch (Exception e) {
77	logger.log(Level.SEVERE, "Lookup failed", e);
78	System.exit(1);
79	}
80
81	//return gson.fromJson(txtResponse, OSRMResponse.class);
82
83
84	return bedsteAdresse;
85	}
86
87	public Adresse getNearestApacheClient(Adresse a1, Collection<Adresse> haystack) {
88	int bedsteAfstand = Integer.MAX_VALUE;
89	Adresse bedsteAdresse = null;
90
91	try (CloseableHttpClient httpclient = HttpClients.createDefault()) {
92
93	String loc1 = a1.latitude + "," + a1.longitude;
94
95
96	for(Adresse a2: haystack) {
97	String loc2 = a2.latitude + "," + a2.longitude;
98
99	String uri = base_url + "/viaroute?loc=" + loc1 + "&loc=" + loc2 + "&geometry=false&instructions=false&alt=false";
100
101	HttpGet httpget = new HttpGet(uri);
102
103	ResponseHandler<String> responseHandler = new ResponseHandler<String>() {
104
105	@Override
106	public String handleResponse(final HttpResponse response) throws ClientProtocolException, IOException {
107	int status = response.getStatusLine().getStatusCode();
108
109	if (status >= 200 && status < 300) {
110	HttpEntity entity = response.getEntity();
111	return entity != null ? EntityUtils.toString(entity) : null;
112	} else {
113	throw new ClientProtocolException("Unexpected response status: " + status);
114	}
115	}
116
117	};
118	String responseBody = httpclient.execute(httpget, responseHandler);
119
120	OSRMResponse res = gson.fromJson(responseBody, OSRMResponse.class);
121
122
123
124	if (res.status != 0) {
125	System.out.println("OSRM Returned " + res.status + "/" + res.status_message );
126	continue;
127	}
128
129
130	if (res.route_summary.total_distance < bedsteAfstand) {
131	bedsteAfstand = res.route_summary.total_distance;
132	bedsteAdresse = a2;
133	}
134
135	}
136
137	} catch (Exception e) {
138	logger.log(Level.SEVERE, "Lookup failed", e);
139	}
140
141	return bedsteAdresse;
142	}
143
144
145	public Adresse getNearestPipeline(Adresse a1, Collection<Adresse> haystack) {
146
147	int bedsteAfstand = Integer.MAX_VALUE;
148	Adresse bedsteAdresse = null;
149
150	Adresse hayArray[] = new Adresse[ haystack.size() ];
151	haystack.toArray(hayArray);
152
153
154	try (CloseableHttpPipeliningClient httpclient = HttpAsyncClients.createPipelining(); ) {
155	httpclient.start();
156
157	HttpHost targetHost = new HttpHost(host, port);
158
159	System.out.println("1>" + targetHost.toString() );
160	System.out.println("2>" + targetHost.toURI() );
161
162	List<HttpRequest> requests = new ArrayList<HttpRequest>();
163
164	String loc1 = a1.latitude + "," + a1.longitude;
165
166	//for (int i=0; i<hayArray.length; i++) {
167	for (int i=0; i<2; i++) {
168	Adresse a2 = hayArray[i];
169	String loc2 = a2.latitude + "," + a2.longitude;
170
171	String uri = "/viaroute?loc=" + loc1 + "&loc=" + loc2 + "&geometry=false&instructions=false&alt=false";
172	System.out.println( uri );
173
174	requests.add( new HttpGet(uri) );
175
176	}
177
178
179	Future<List<HttpResponse>> future = httpclient.execute(targetHost, requests, null);
180	List<HttpResponse> responses = future.get();
181
182	HttpResponse respArr[] = new HttpResponse[ responses.size() ];
183	responses.toArray( respArr );
184
185	for (int i=0; i<respArr.length; i++) {
186	String jsonBody = EntityUtils.toString( respArr[i].getEntity() );
187	OSRMResponse res = gson.fromJson(jsonBody, OSRMResponse.class);
188
189	if (res.route_summary.total_distance < bedsteAfstand) {
190	bedsteAfstand = res.route_summary.total_distance;
191	bedsteAdresse = hayArray[i];
192	}
193
194	}
195
196	} catch(Exception e) {
197	logger.log(Level.SEVERE, "Lookup failed", e);
198
199	}
200
201
202	return bedsteAdresse;
203	}
204
205
206	/*
207	* Denne virker men table opslaget er 10 gange hurtigere
208	*
209	*/
210	@Deprecated
211	public Adresse getNearest(Adresse a1, Collection<Adresse> haystack) {
212	int bedsteAfstand = Integer.MAX_VALUE;
213	Adresse bedsteAdresse = null;
214
215	Iterator<Adresse> it = haystack.iterator();
216	while (it.hasNext()) {
217	Adresse a2 = it.next();
218
219	try {
220	OSRMResponse res = getRoute(a1, a2);
221
222	if (res.status != 0) {
223	System.out.println("OSRM Returned " + res.status + "/" + res.status_message );
224	continue;
225	}
226
227
228	if (res.route_summary.total_distance < bedsteAfstand) {
229	bedsteAfstand = res.route_summary.total_distance;
230	bedsteAdresse = a2;
231	}
232	} catch (IOException e) {
233	System.out.println( e.getMessage() );
234	System.exit(1);
235	}
236
237	}
238
239	return bedsteAdresse;
240	}
241
242	public OSRMResponse getRoute(Adresse a1, Adresse a2) throws IOException {
243
244	String loc1 = a1.latitude + "," + a1.longitude;
245	String loc2 = a2.latitude + "," + a2.longitude;
246
247	String params = "loc=" + loc1 + "&loc=" + loc2 + "&geometry=false&instructions=false&alt=false";
248
249	String url = base_url + "/viaroute?" + params;
250
251	String txtResponse = HttpUtil.getContentString(url, 500, "UTF-8");
252
253	return gson.fromJson(txtResponse, OSRMResponse.class);
254	}
255	}