Mercurial > dive4elements > river
annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/states/DischargeState.java @ 5074:90b9b80ffbbf dami
Fix example run script to work with the new packaging
author | Andre Heinecke <aheinecke@intevation.de> |
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date | Wed, 20 Feb 2013 18:50:13 +0100 |
parents | 208a891c21b5 |
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rev | line source |
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Improved the states for MINFO flow velocity calculation.
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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 import de.intevation.artifacts.CallContext; |
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9 |
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10 import de.intevation.artifacts.common.model.KVP; |
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11 |
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12 import de.intevation.flys.model.DischargeZone; |
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13 import de.intevation.flys.model.River; |
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14 |
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15 import de.intevation.flys.artifacts.FLYSArtifact; |
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16 import de.intevation.flys.utils.FLYSUtils; |
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17 |
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18 |
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19 public class DischargeState extends MultiIntArrayState { |
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20 |
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21 public static final String MAIN_CHANNEL = "main_channel"; |
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22 public static final String TOTAL_CHANNEL = "total_channel"; |
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23 |
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24 |
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25 private static final Logger logger = Logger.getLogger(DischargeState.class); |
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26 |
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27 |
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28 /** Let client display a matrix. */ |
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29 @Override |
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30 public String getUIProvider() { |
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31 return "parameter-matrix"; |
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32 } |
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33 |
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34 |
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35 /** |
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36 * This method fetches all DischargeZones for a given river (extracted from |
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37 * <i>artifact</i>) and returns a KVP[] where the key is the ID of the |
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38 * DischargeZone and the value is a string that consists of lower discharge |
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39 * and upper discharge. |
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40 * |
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41 * @param artifact Needs to be a FLYSArtifact that provides river |
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42 * information. |
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43 * @param parameterName The name of a parameter. |
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44 * |
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45 * @return a KVP[]. |
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46 */ |
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47 @Override |
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48 protected KVP<Integer, String>[] getOptions( |
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49 Artifact artifact, |
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50 String parameterName |
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51 ) |
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52 throws IllegalArgumentException |
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53 { |
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54 if (!testParameterName(parameterName)) { |
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55 throw new IllegalArgumentException( |
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56 "Invalid parameter for state: '" + parameterName + "'"); |
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57 } |
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58 |
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59 List<DischargeZone> zones = getDischargeZones(artifact); |
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60 |
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61 KVP[] kvp = new KVP[zones.size()]; |
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62 |
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63 for (int i = 0, Z = zones.size(); i < Z; i++) { |
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64 DischargeZone zone = zones.get(i); |
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65 |
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66 String lower = zone.getLowerDischarge(); |
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67 String upper = zone.getUpperDischarge(); |
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68 |
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69 if (lower.equals(upper)) { |
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70 kvp[i] = new KVP(zone.getId(), lower); |
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71 } |
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72 else { |
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73 kvp[i] = new KVP(zone.getId(), lower + " - " + upper); |
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74 } |
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75 } |
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76 |
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77 return kvp; |
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78 } |
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79 |
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80 |
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81 @Override |
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82 protected String getLabelFor( |
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83 CallContext cc, |
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84 String parameterName, |
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85 int value |
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86 ) throws IllegalArgumentException |
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parents:
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87 { |
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parents:
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88 if (!testParameterName(parameterName)) { |
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parents:
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89 throw new IllegalArgumentException( |
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parents:
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90 "Invalid parameter for state: '" + parameterName + "'"); |
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parents:
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91 } |
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parents:
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92 |
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93 DischargeZone zone = DischargeZone.getDischargeZoneById(value); |
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94 |
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95 if (zone == null) { |
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96 throw new IllegalArgumentException( |
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97 "Invalid id for DischargeZone: '" + value + "'"); |
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98 } |
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parents:
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99 |
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100 String lo = zone.getLowerDischarge(); |
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101 String hi = zone.getUpperDischarge(); |
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102 |
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103 return hi != null && !lo.equals(hi) |
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104 ? lo + " - " + hi |
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105 : lo; |
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parents:
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106 } |
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parents:
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107 |
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108 |
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109 /** |
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110 * This method might be used to test, if a parameter name is handled by this |
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111 * state. |
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112 * |
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113 * @param parameterName The name of a parameter. |
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114 * |
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115 * @return true, if parameterName is one of <i>MAIN_CHANNEL</i> or |
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116 * <i>TOTAL_CHANNEL</i>. Otherwise false. |
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117 */ |
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118 protected boolean testParameterName(String parameterName) { |
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119 if (parameterName == null || parameterName.length() == 0) { |
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120 return false; |
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121 } |
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122 else if (parameterName.equals(MAIN_CHANNEL)) { |
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123 return true; |
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124 } |
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125 else if (parameterName.equals(TOTAL_CHANNEL)) { |
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126 return true; |
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127 } |
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128 else { |
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129 return false; |
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130 } |
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131 } |
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132 |
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133 |
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134 /** |
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135 * Returns all discharge zones for a given river. The river information is |
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136 * extracted from <i>artifact</i> using FLYSUtils.getRiver(). |
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137 * |
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138 * @param artifact Needs to be a FLYSArtifact that stores a rivername. |
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139 * |
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140 * @return a list of DischargeZones. |
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141 * |
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142 * @throws IllegalArgumentException if no river information is provided by |
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143 * <i>artifact</i>. |
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144 */ |
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145 protected List<DischargeZone> getDischargeZones(Artifact artifact) |
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146 throws IllegalArgumentException |
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147 { |
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148 River river = FLYSUtils.getRiver((FLYSArtifact) artifact); |
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149 |
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150 if (river == null) { |
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151 throw new IllegalArgumentException("No river found"); |
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152 } |
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153 |
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154 List<DischargeZone> zones = DischargeZone.getDischargeZones(river); |
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155 |
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156 logger.debug("Found " + zones.size() + " DischargeZones."); |
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157 |
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158 return zones; |
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159 } |
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160 } |
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161 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |