Mercurial > dive4elements > river
annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/states/DischargeState.java @ 2698:15523818eae4
Implemented states for fix-analysis.
flys-artifacts/trunk@4408 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Raimund Renkert <raimund.renkert@intevation.de> |
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date | Tue, 15 May 2012 13:08:27 +0000 |
parents | 1bc35de0b786 |
children | 71f072d8b3d8 |
rev | line source |
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1 package de.intevation.flys.artifacts.states; |
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2 |
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3 import java.util.List; |
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4 |
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5 import org.apache.log4j.Logger; |
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6 |
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7 import de.intevation.artifacts.Artifact; |
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8 |
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9 import de.intevation.artifacts.common.model.KVP; |
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10 |
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11 import de.intevation.flys.model.DischargeZone; |
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12 import de.intevation.flys.model.River; |
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13 |
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14 import de.intevation.flys.artifacts.FLYSArtifact; |
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15 import de.intevation.flys.utils.FLYSUtils; |
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16 |
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17 |
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18 public class DischargeState extends MultiIntArrayState { |
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19 |
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20 public static final String MAIN_CHANNEL = "main.channel"; |
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21 public static final String TOTAL_CHANNEL = "total.channel"; |
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22 |
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23 |
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24 private static final Logger logger = Logger.getLogger(DischargeState.class); |
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25 |
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26 |
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27 @Override |
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28 public String getUIProvider() { |
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29 return "parameter-matrix"; |
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30 } |
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31 |
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32 |
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33 /** |
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34 * This method fetches all DischargeZones for a given river (extracted from |
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35 * <i>artifact</i>) and returns a KVP[] where the key is the ID of the |
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36 * DischargeZone and the value is a string that consists of lower discharge |
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37 * and upper discharge. |
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38 * |
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39 * @param artifact Needs to be a FLYSArtifact that provides river |
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40 * information. |
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41 * @param parameterName The name of a parameter. |
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42 * |
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43 * @return a KVP[]. |
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44 */ |
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45 @Override |
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46 protected KVP<Integer, String>[] getOptions( |
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47 Artifact artifact, |
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48 String parameterName |
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49 ) |
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50 throws IllegalArgumentException |
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51 { |
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52 if (!testParameterName(parameterName)) { |
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53 throw new IllegalArgumentException( |
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54 "Invalid parameter for state: '" + parameterName + "'"); |
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55 } |
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56 |
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57 List<DischargeZone> zones = getDischargeZones(artifact); |
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58 |
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59 KVP[] kvp = new KVP[zones.size()]; |
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60 |
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61 for (int i = 0; i < zones.size(); i++) { |
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62 DischargeZone zone = zones.get(i); |
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63 |
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64 String lower = zone.getLowerDischarge(); |
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65 String upper = zone.getUpperDischarge(); |
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66 |
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67 if (lower.equals(upper)) { |
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68 kvp[i] = new KVP(zone.getId(), lower); |
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69 } |
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70 else { |
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71 kvp[i] = new KVP(zone.getId(), lower + " - " + upper); |
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72 } |
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73 } |
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74 |
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75 return kvp; |
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76 } |
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77 |
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78 |
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79 /** |
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80 * This method might be used to test, if a parameter name is handled by this |
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81 * state. |
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82 * |
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83 * @param parameterName The name of a parameter. |
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84 * |
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85 * @return true, if parameterName is one of <i>MAIN_CHANNEL</i> or |
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86 * <i>TOTAL_CHANNEL</i>. Otherwise false. |
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87 */ |
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88 protected boolean testParameterName(String parameterName) { |
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89 if (parameterName == null || parameterName.length() == 0) { |
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90 return false; |
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91 } |
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92 else if (parameterName.equals(MAIN_CHANNEL)) { |
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93 return true; |
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94 } |
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95 else if (parameterName.equals(TOTAL_CHANNEL)) { |
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96 return true; |
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97 } |
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98 else { |
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99 return false; |
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100 } |
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101 } |
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102 |
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103 |
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104 /** |
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105 * Returns all discharge zones for a given river. The river information is |
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106 * extracted from <i>artifact</i> using FLYSUtils.getRiver(). |
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107 * |
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108 * @param artifact Needs to be a FLYSArtifact that stores a rivername. |
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109 * |
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110 * @return a list of DischargeZones. |
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111 * |
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112 * @throws IllegalArgumentException if no river information is provided by |
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113 * <i>artifact</i>. |
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114 */ |
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115 protected List<DischargeZone> getDischargeZones(Artifact artifact) |
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116 throws IllegalArgumentException |
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117 { |
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118 River river = FLYSUtils.getRiver((FLYSArtifact) artifact); |
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119 |
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120 if (river == null) { |
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121 throw new IllegalArgumentException("No river found"); |
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122 } |
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123 |
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124 List<DischargeZone> zones = DischargeZone.getDischargeZones(river); |
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125 |
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126 logger.debug("Found " + zones.size() + " DischargeZones."); |
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127 |
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128 return zones; |
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129 } |
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130 } |
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131 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |