Mercurial > lada > lada-server

annotate src/main/java/de/intevation/lada/validation/LOrtValidator.java @ 366:567ce7697fc7 0.5

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Code documentation.
author Raimund Renkert <rrenkert@intevation.de>
date Tue, 10 Sep 2013 15:55:54 +0200
parents f3c58d3c4bc7
children f3d0894d9bfc
rev   line source
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84e4f3aaf9ca Added validator for LOrt.
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1 package de.intevation.lada.validation;
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2
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3 import java.util.HashMap;
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4 import java.util.List;
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5 import java.util.Map;
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6
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7 import javax.enterprise.context.ApplicationScoped;
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8 import javax.inject.Inject;
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9 import javax.inject.Named;
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10
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11 import com.vividsolutions.jts.geom.Coordinate;
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12 import com.vividsolutions.jts.geom.CoordinateSequence;
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13 import com.vividsolutions.jts.geom.GeometryFactory;
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14 import com.vividsolutions.jts.geom.Point;
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15 import com.vividsolutions.jts.geom.PrecisionModel;
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16
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17 import de.intevation.lada.data.QueryBuilder;
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18 import de.intevation.lada.data.Repository;
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19 import de.intevation.lada.model.DeVg;
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20 import de.intevation.lada.model.LOrt;
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21 import de.intevation.lada.model.Ort;
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22 import de.intevation.lada.model.SVerwaltungseinheit;
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23 import de.intevation.lada.rest.Response;
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24
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25 /**
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26 * Validator for LOrt objects.
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27 *
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28 * @author <a href="mailto:rrenkert@intevation.de">Raimund Renkert</a>
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29 */
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30 @ApplicationScoped
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31 @Named("lortvalidator")
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32 public class LOrtValidator
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33 implements Validator
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34 {
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35 @Inject
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36 @Named("readonlyrepository")
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37 private Repository readonlyRepo;
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38
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39 @Inject
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40 @Named("ortrepository")
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41 private Repository ortRepo;
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42
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43 /**
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44 * Validate a LOrt object.
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45 *
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46 * @param object The LOrt object.
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47 * @param update The database operation.
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48 * TRUE indicates that the object should be updated, FALSE
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49 * if the object is a new Object.
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50 * @return Map containing warnings.
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51 */
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52 @Override
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53 public Map<String, Integer> validate(Object object, boolean update)
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54 throws ValidationException {
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55 Map<String, Integer> warnings = new HashMap<String, Integer>();
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56 if (!(object instanceof LOrt)) {
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57 Map<String, Integer> errors = new HashMap<String, Integer>();
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58 errors.put("lort", 610);
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59 throw new ValidationException(errors);
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60 }
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61 LOrt ort = (LOrt)object;
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62 validateVerwaltungseinheit(ort, warnings);
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63 //TODO: more validation, see LSB: VI - Konsistenzregeln
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64 return warnings;
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65 }
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66
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67 /**
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68 * Check if the given lat/lon coordinates are within the area of the
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69 * verwaltungseinheit.
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70 *
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71 * @param ort
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72 * @param warnings
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73 */
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74 private void validateVerwaltungseinheit(LOrt ort, Map<String, Integer> warnings) {
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75 if (!ort.getOrtsTyp().equals("E")) {
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76 return;
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77 }
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78 QueryBuilder<Ort> ortBuilder =
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79 new QueryBuilder<Ort>(ortRepo.getEntityManager(), Ort.class);
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80 ortBuilder.and("ortId", ort.getOrtId());
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81 Response response = ortRepo.filter(ortBuilder.getQuery());
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82 List<Ort> orte = (List<Ort>)response.getData();
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83 QueryBuilder<SVerwaltungseinheit> veBuilder =
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84 new QueryBuilder<SVerwaltungseinheit>(
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85 readonlyRepo.getEntityManager(), SVerwaltungseinheit.class);
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86 veBuilder.and("gemId", orte.get(0).getGemId());
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87 Response ver = readonlyRepo.filter(veBuilder.getQuery());
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88 SVerwaltungseinheit ve = ((List<SVerwaltungseinheit>)ver.getData()).get(0);
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89 QueryBuilder<DeVg> vg =
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90 new QueryBuilder<DeVg>(readonlyRepo.getEntityManager(), DeVg.class);
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91 vg.and("ags", ve.getGemId());
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92 Response rvg = readonlyRepo.filter(vg.getQuery());
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93 List<DeVg> vgs = (List<DeVg>)rvg.getData();
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94 if (vgs == null || vgs.isEmpty()) {
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95 warnings.put("verwaltungseinheit", 653);
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96 return;
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97 }
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98 double y = orte.get(0).getLatitude();
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99 double x = orte.get(0).getLongitude();
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100 Coordinate c = new Coordinate(x, y);
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101 GeometryFactory gf = new GeometryFactory(new PrecisionModel(PrecisionModel.FLOATING), 4326);
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102 Point p = gf.createPoint(c);
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103 boolean hit = false;
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104 for (DeVg singlevg : vgs) {
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105 if(singlevg.getGeom().contains(p)) {
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106 hit = true;
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107 }
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108 }
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109 if (!hit) {
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110 warnings.put("verwaltungseinheit", 651);
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111 }
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112 }
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113 }
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