Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/MainValuesArtifact.java @ 1079:ef756e166154

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Improved implementation of MainValueArtifact#MainValueFacet . flys-artifacts/trunk@2576 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Felix Wolfsteller <felix.wolfsteller@intevation.de>
date Thu, 25 Aug 2011 10:42:23 +0000
parents 048517d67215
children fa01c3602f66
rev   line source
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1 package de.intevation.flys.artifacts;
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2
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3 import java.util.ArrayList;
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4 import java.util.List;
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5
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6 import org.apache.log4j.Logger;
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7
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8 import org.w3c.dom.Document;
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9
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10 import de.intevation.artifactdatabase.state.DefaultFacet;
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11 import de.intevation.artifactdatabase.state.Facet;
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12 import de.intevation.artifactdatabase.state.DefaultOutput;
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13 import de.intevation.artifactdatabase.state.State;
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14
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15 import de.intevation.artifacts.Artifact;
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16 import de.intevation.artifacts.ArtifactFactory;
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17 import de.intevation.artifacts.CallContext;
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18 import de.intevation.artifacts.CallMeta;
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19 import de.intevation.flys.artifacts.model.RiverFactory;
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20
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21 import de.intevation.flys.artifacts.model.FacetTypes;
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22 import de.intevation.flys.artifacts.states.StaticState;
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23
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24 import de.intevation.flys.model.Gauge;
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25 import de.intevation.flys.model.River;
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26
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27
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28 /**
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29 * Artifact to access names of Points Of Interest along a segment of a river.
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30 * This artifact neglects (Static)FLYSArtifacts capabilities of interaction
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31 * with the StateEngine by overriding the getState*-methods.
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32 */
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33 public class MainValuesArtifact
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34 extends StaticFLYSArtifact
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35 {
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36 /** The logger for this class. */
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37 private static Logger logger = Logger.getLogger(MainValuesArtifact.class);
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38
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39 /** The name of the artifact. */
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40 public static final String ARTIFACT_NAME = "mainvalue";
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41
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42 /** One and only state to be in. */
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43 protected transient State state = null;
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44
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45
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46 /**
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47 * Trivial Constructor.
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48 */
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49 public MainValuesArtifact() {
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50 logger.debug("MainValuesArtifact.MainValuesartifact()");
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51 }
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52
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53
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54 /**
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55 * Gets called from factory, to set things up.
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56 */
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57 @Override
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58 public void setup(
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59 String identifier,
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60 ArtifactFactory factory,
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61 Object context,
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62 CallMeta callMeta,
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63 Document data)
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64 {
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65 logger.debug("MainValuesArtifact.setup");
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66 super.setup(identifier, factory, context, callMeta, data);
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67 }
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68
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69
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70 /**
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71 * Get a list containing the one and only State.
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72 * @param context ignored.
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73 * @return list with one and only state.
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74 */
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75 @Override
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76 protected List<State> getStates(Object context) {
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77 ArrayList<State> states = new ArrayList<State>();
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78 states.add(getState(null,null));
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79 return states;
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80 }
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81
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82
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83 /**
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84 * Get the "current" state.
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85 * @param cc ignored.
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86 * @return the "current" state.
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87 */
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88 @Override
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89 protected State getCurrentState(Object cc) {
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90 return getState();
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91 }
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92
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93
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94 /**
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95 * Get the only possible state.
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96 * @return the state.
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97 */
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98 protected State getState() {
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99 return getState(null, null);
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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 * Get the state.
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105 * @param context ignored.
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106 * @param stateID ignored.
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107 * @return the state.
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108 */
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109 @Override
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110 protected State getState(Object context, String stateID) {
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111 if (state != null) {
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112
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113 }
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114 else {
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115 state = new StaticState();
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116 List<Facet> fs = new ArrayList<Facet>();
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117 fs.add(new MainValuesFacet());
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118 // TODO check if facets and outputs already exist.
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119 // TODO also check, this is usually done in initialize, too.
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120 facets.put(state.getID(), fs);
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121 DefaultOutput mainValuesOutput1 = new DefaultOutput(
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122 "discharge_curve", "output.discharge_curve", "image/png",
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123 fs,
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124 "chart");
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125 DefaultOutput mainValuesOutput2 = new DefaultOutput(
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126 "computed_discharge_curve",
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127 "output.computed_discharge_curve", "image/png",
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128 fs,
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129 "chart");
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130
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131 state.getOutputs().add(mainValuesOutput1);
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132 state.getOutputs().add(mainValuesOutput2);
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133 }
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134 return state;
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135 }
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136
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137
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138 state.getOutputs().add(mainValuesOutput);
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139 return state;
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140 }
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141
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142
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143 /* FACET IMPLEMENTATION */
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144 // TODO evaluate whether DefaultFacet can do.
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145 static class MainValuesFacet
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146 extends DefaultFacet
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147 implements FacetTypes {
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148
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149 public MainValuesFacet() {
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150 description = "facet.discharge_curves.mainvalues.description";
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151 name = COMPUTED_DISCHARGE_MAINVALUES;
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152 //Resources.getMsg(meta, I18N_DESCRIPTION, I18N_DESCRIPTION));
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153 index = 0;
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154 }
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155
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156
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157 /**
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158 * Returns the description of this facet.
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159 *
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160 * @return the description of this facet.
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161 */
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162 @Override
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163 public String getDescription() {
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164 // TODO remove, is part of DefaultFacet.
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165 return "facet.mainvalues";
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166 }
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167
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168
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169 /**
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170 * Returns the data this facet requires.
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171 *
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172 * @param artifact the owner artifact.
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173 * @param context the CallContext (ignored).
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174 *
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175 * @return the data.
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176 */
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177 @Override
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178 public Object getData(Artifact artifact, CallContext context) {
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179 MainValuesArtifact mvArtifact = (MainValuesArtifact) artifact;
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180 return mvArtifact.getMainValues();
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181 }
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182
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183
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184 /**
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185 * Create a deep copy of this Facet.
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186 * @return a deep copy.
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187 */
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188 @Override
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189 public MainValuesFacet deepCopy() {
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190 MainValuesFacet copy = new MainValuesFacet();
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191 copy.set(this);
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192 return copy;
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193 }
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194 }
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195
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196 }
http://dive4elements.wald.intevation.org