Mercurial > lada > lada-server

annotate src/main/java/de/intevation/lada/rest/LProbeRESTService.java @ 39:e0a5477f657e

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Documentation.
author Raimund Renkert <rrenkert@intevation.de>
date Thu, 23 May 2013 15:29:13 +0200
parents c20674399ad7
children
rev   line source
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1 package de.intevation.lada.rest;
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2
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3 import java.util.List;
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4 import java.util.logging.Logger;
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5
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6 import javax.enterprise.context.RequestScoped;
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7 import javax.inject.Inject;
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8 import javax.ws.rs.DefaultValue;
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9 import javax.ws.rs.GET;
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10 import javax.ws.rs.Path;
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11 import javax.ws.rs.PathParam;
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12 import javax.ws.rs.Produces;
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13 import javax.ws.rs.QueryParam;
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14 import javax.ws.rs.core.Context;
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15 import javax.ws.rs.core.MultivaluedMap;
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16 import javax.ws.rs.core.UriInfo;
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18 import de.intevation.lada.data.LProbeRepository;
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19 import de.intevation.lada.model.LProbe;
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20 import de.intevation.lada.service.LProbeService;
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21
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22 /**
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23 * This class produces a RESTful service to read the contents of LProbe table.
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24 *
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25 * @author <a href="mailto:rrenkert@intevation.de">Raimund Renkert</a>
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26 */
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27 @Path("/proben")
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28 @RequestScoped
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29 public class LProbeRESTService {
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31 /**
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32 * The Repository for LProbe.
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33 */
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34 @Inject
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35 private LProbeRepository repository;
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37 /**
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38 * The logger for this class.
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39 */
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40 @Inject
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41 private Logger log;
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43 /**
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44 * Request a LProbe via its id.
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45 *
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46 * @param id The LProbe id
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47 * @return JSON Object via REST service.
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48 */
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49 @GET
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50 @Path("/{id}")
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51 @Produces("text/json")
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52 public LProbe loadById(@PathParam("id") String id) {
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53 return repository.findById(id);
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54 }
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55
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56 /**
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57 * Request LProbe via a filter.
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58 *
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59 * Query parameters are used for the filter in form of key-value pairs.
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60 * This filter can take the three parameters
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61 * mst=$MSTID (String)
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62 * uwb=$UWBID (String)
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63 * begin=$PROBEENTNAHMEBEGIN (Timestamp)
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64 *
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65 * @param info The URL query parameters.
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66 * @return JSON Object via Rest service.
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67 */
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68 @GET
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69 @Produces("text/json")
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70 public List<LProbe> filter(@Context UriInfo info) {
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71 MultivaluedMap<String, String> params = info.getQueryParameters();
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72 if (params.isEmpty()) {
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73 return repository.findAll();
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74 }
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75 String mstId = "";
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76 String uwbId = "";
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77 Long begin = null;
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78 if (params.containsKey("mst")) {
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79 mstId = params.getFirst("mst");
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80 }
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81 if (params.containsKey("uwb")) {
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82 uwbId = params.getFirst("uwb");
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83 }
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84 if (params.containsKey("begin")) {
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85 String tmp = params.getFirst("begin");
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86 try {
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87 begin = Long.valueOf(tmp);
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88 }
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89 catch (NumberFormatException nfe) {
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90 begin = null;
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91 }
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92 }
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93 return repository.filter(mstId, uwbId, begin);
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94 }
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95 }
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