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15 package org.kuali.mobility.bus.service;
16
17 import org.apache.commons.collections.CollectionUtils;
18 import org.apache.commons.lang.StringUtils;
19 import org.slf4j.Logger;
20 import org.slf4j.LoggerFactory;
21 import org.kuali.mobility.bus.dao.BusDao;
22 import org.kuali.mobility.bus.entity.*;
23 import org.kuali.mobility.bus.service.util.BusStopDistanceUtil;
24 import org.kuali.mobility.bus.util.ScheduledStopComparitor;
25 import org.springframework.context.ApplicationContext;
26 import org.springframework.context.ApplicationContextAware;
27
28 import javax.annotation.Resource;
29 import javax.ws.rs.GET;
30 import javax.ws.rs.Path;
31 import javax.ws.rs.PathParam;
32 import javax.ws.rs.QueryParam;
33 import java.util.*;
34
35
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37
38
39 public class BusServiceImpl implements BusService, ApplicationContextAware {
40
41 private static Logger LOG = LoggerFactory.getLogger(BusServiceImpl.class);
42 private ApplicationContext applicationContext;
43 @Resource(name="busDao")
44 private BusDao dao;
45
46 @GET
47 @Path("/route/lookup/{campus}")
48 @Override
49 public List<BusRoute> getRoutes(@QueryParam( value="campus" ) String campus) {
50 List<BusRoute> routes = getDao().getBusRoutes();
51 if (CollectionUtils.isEmpty(routes)) {
52 getDao().loadRoutes();
53 routes = getDao().getBusRoutes();
54 }
55 return routes;
56 }
57
58 @GET
59 @Path("/route/search/{campus}")
60 @Override
61 public BusRoute getRoute(@QueryParam( value="campus" ) String campus, @QueryParam( value="routeId" ) long id) {
62 BusRoute route = null;
63 List<BusRoute> routes = getDao().getBusRoutes();
64 if (CollectionUtils.isEmpty(routes)) {
65 getDao().loadRoutes();
66 routes = getDao().getBusRoutes();
67 }
68 for (BusRoute r : routes) {
69 if (r.getId() == id) {
70 route = r;
71 break;
72 }
73 }
74 return route;
75 }
76
77 @GET
78 @Path("/stop/lookup/{campus}")
79 @Override
80 public List<BusStop> getStops(@QueryParam( value="campus" ) String campus) {
81 List<BusStop> stops = getDao().getBusStops();
82 if (CollectionUtils.isEmpty(stops)) {
83 getDao().loadRoutes();
84 stops = getDao().getBusStops();
85 }
86 return stops;
87 }
88
89 @GET
90 @Path("/stop/routestopdistances")
91 @Override
92 public List<BusRoute> getRoutesWithDistance (
93 @QueryParam( value="latitude" ) double lat1,
94 @QueryParam( value="longitude" ) double lon1,
95 @QueryParam( value="radius" ) double radius) {
96 BusStopDistanceUtil bsutil = new BusStopDistanceUtil();
97
98 List<BusRoute> routesImpl = getRoutes("");
99 for (BusRoute r : routesImpl) {
100 for (BusStop s : r.getStops()) {
101 double dist = bsutil.calculateDistance(s, lat1, lon1);
102 s.setDistance(dist);
103 }
104 }
105 return routesImpl;
106 }
107
108 @GET
109 @Path("/stop/nearby")
110 @Override
111 public List<BusStop> getNearbyStops(
112 @QueryParam( value="latitude" ) double lat1,
113 @QueryParam( value="longitude" ) double lon1,
114 @QueryParam( value="radius" ) double radius) {
115 List<BusStop> stops = new ArrayList<BusStop>();
116 Map<Double, BusStop> mapaTemp = new TreeMap<Double, BusStop>();
117 double dist = 0.0;
118 List<BusStop> busStops = getDao().getBusStops();
119 if (CollectionUtils.isEmpty(busStops)) {
120 getDao().loadRoutes();
121 busStops = getDao().getBusStops();
122 }
123 BusStopDistanceUtil bsutil = new BusStopDistanceUtil();
124 for (BusStop s : busStops) {
125 dist = bsutil.calculateDistance(s, lat1, lon1);
126 if (dist <= radius) {
127
128 mapaTemp.put(dist, s);
129 }
130 }
131 for (Iterator<Double> it = mapaTemp.keySet().iterator(); it.hasNext();) {
132 Double key = (Double) it.next();
133 BusStop stop = mapaTemp.get(key);
134 stop.setDistance(key);
135 stops.add(stop);
136 }
137 return stops;
138 }
139
140 @GET
141 @Path("/stop/lookupbyid/{campus}")
142 @Override
143 public BusStop getStop(@QueryParam( value="campus" ) String campus, @QueryParam( value="stopId" ) long id) {
144 BusStop stop = null;
145 List<BusStop> stops = getStops("");
146
147 for (BusStop s : stops) {
148 if (s.getId() == id) {
149 stop = s;
150 break;
151 }
152 }
153 return stop;
154 }
155
156 @GET
157 @Path("/stop/lookupbyname/{campus}")
158 @Override
159 public BusStop getStopByName(
160 @QueryParam(value = "name") final String stopName,
161 @QueryParam(value = "campus") final String campus) {
162 BusStop busStop = null;
163 for (BusStop s : getStops("")) {
164 if (s.getName() != null
165 && s.getName().equalsIgnoreCase(stopName)) {
166 busStop = s;
167 break;
168 }
169 }
170 LOG.debug("Bus stop found for "+stopName+" with "+(busStop.getScheduledStop()==null?"NULL":busStop.getScheduledStop().size())+" stops.");
171 return busStop;
172 }
173
174 @SuppressWarnings("unchecked")
175 @GET
176 @Path("/stop/schedule/{campus}")
177 @Override
178 public List<ScheduledStop> getArrivalData(
179 @QueryParam(value = "routeId") final String routeId,
180 @QueryParam(value = "stopId") final String stopId,
181 @QueryParam(value = "campus") final String campus) {
182
183 List<ScheduledStop> arrivals;
184 BusStop stop = null;
185
186 if (StringUtils.isNotBlank(routeId)) {
187 BusRoute route = getRoute(campus, Long.parseLong(routeId));
188 if( null != route && null != route.getStops() && !route.getStops().isEmpty() ) {
189 for (BusStop s : route.getStops()) {
190 LOG.debug(route.getName() + " routeid: " + route.getId() + " stopid: " + s.getId() + " stop name " + s.getName());
191 if (s.getId() == Long.parseLong(stopId)) {
192 stop = s;
193 break;
194 }
195 }
196 }
197 } else {
198 stop = getStop(campus, Long.parseLong(stopId));
199 LOG.debug("Unable to find route.");
200 }
201
202 if (null != stop) {
203 arrivals = (List<ScheduledStop>) (List<?>) stop.getScheduledStop();
204 } else {
205 arrivals = new ArrayList<ScheduledStop>();
206 }
207 Collections.sort(arrivals, new ScheduledStopComparitor());
208 return arrivals;
209 }
210
211 @GET
212 @Path("/locations")
213 @Override
214 public List<Bus> getAllBuses(@QueryParam("campus") String campus) {
215 if( null == getDao().getBuses() || getDao().getBuses().isEmpty() ) {
216 getDao().loadBusLocations();
217 }
218 return getDao().getBuses();
219 }
220
221 @GET
222 @Path("/stops/{stopId}")
223 @Override
224 public BusStop getStopById(@PathParam("stopId") int stopId){
225 List<BusStop> busStops = (List<BusStop>) this.getStops("");
226 BusStop foundStop = null;
227 for (BusStop stop : busStops) {
228 if (stopId == stop.getId()) {
229 foundStop = stop;
230 break;
231 }
232 }
233 return foundStop;
234 }
235
236 @GET
237 @Path("/alerts")
238 @Override
239 public List<BusAlert> getAlerts() {
240 return getDao().getBusAlerts();
241 }
242
243 public void setDao(BusDao dao) {
244 this.dao = dao;
245 }
246
247 public BusDao getDao() {
248 return dao;
249 }
250
251
252
253
254 public ApplicationContext getApplicationContext() {
255 return applicationContext;
256 }
257
258
259
260
261 public void setApplicationContext(ApplicationContext applicationContext) {
262 this.applicationContext = applicationContext;
263 }
264 }