Mercurial > dive4elements > river
annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/states/LocationSelect.java @ 3555:b1912514e0f5
s/container.size() == 0/container.isEmpty()/
flys-artifacts/trunk@5149 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
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date | Sat, 28 Jul 2012 21:48:15 +0000 |
parents | d9af29a4bb85 |
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rev | line source |
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383
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Enhanced the transition model to reach a state that creates duration curves.
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1 package de.intevation.flys.artifacts.states; |
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2 |
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3 import gnu.trove.TDoubleArrayList; |
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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 org.w3c.dom.Element; |
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8 |
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9 import de.intevation.artifacts.Artifact; |
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10 import de.intevation.artifacts.CallContext; |
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11 |
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12 import de.intevation.artifacts.common.utils.XMLUtils; |
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13 |
383
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14 import de.intevation.artifactdatabase.data.StateData; |
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15 |
624
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16 import de.intevation.flys.artifacts.FLYSArtifact; |
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17 |
383
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18 |
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19 /** |
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20 * This state is used to realize the input of multiple locations as string. |
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21 * |
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22 * The string should be a whitespace separated list of double values where each |
383
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23 * double value represents a location. |
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24 * |
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25 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> |
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26 */ |
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27 public class LocationSelect extends LocationDistanceSelect { |
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28 |
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29 /** The logger used in this class.*/ |
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30 private static Logger logger = Logger.getLogger(LocationSelect.class); |
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31 |
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32 |
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33 public LocationSelect() { |
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34 } |
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35 |
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36 |
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37 /** UI Provider (which input method should the client provide to user. */ |
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38 @Override |
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39 protected String getUIProvider() { |
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40 return "location_panel"; |
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41 } |
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parents:
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42 |
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43 |
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44 @Override |
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45 protected Element[] createItems( |
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46 XMLUtils.ElementCreator cr, |
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47 Artifact artifact, |
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48 String name, |
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49 CallContext context) |
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50 { |
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51 double[] minmax = getMinMax(artifact); |
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parents:
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52 |
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53 double minVal = Double.MIN_VALUE; |
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54 double maxVal = Double.MAX_VALUE; |
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parents:
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55 |
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56 if (minmax != null) { |
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57 minVal = minmax[0]; |
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58 maxVal = minmax[1]; |
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parents:
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59 } |
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parents:
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60 else { |
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61 logger.warn("Could not read min/max distance values!"); |
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62 } |
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63 |
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64 if (name.equals(LOCATIONS)) { |
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65 Element min = createItem( |
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66 cr, |
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67 new String[] {"min", new Double(minVal).toString()}); |
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68 |
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69 Element max = createItem( |
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70 cr, |
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71 new String[] {"max", new Double(maxVal).toString()}); |
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parents:
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72 |
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73 return new Element[] { min, max }; |
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74 } |
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parents:
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75 |
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76 return null; |
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77 } |
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78 |
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79 |
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80 /** Validates data from artifact. */ |
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81 @Override |
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82 public boolean validate(Artifact artifact) |
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83 throws IllegalArgumentException |
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84 { |
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85 logger.debug("LocationSelect.validate"); |
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86 |
624
929137ee8154
ISSUE-62 (part I/II) States are no longer filled with data - if a state needs user input, it needs to query the owner artifact.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
385
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87 FLYSArtifact flys = (FLYSArtifact) artifact; |
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88 StateData data = getData(flys, LOCATIONS); |
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89 |
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90 String locationStr = data != null |
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91 ? (String) data.getValue() |
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92 : null; |
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93 |
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94 if (locationStr == null || locationStr.length() == 0) { |
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95 logger.error("No locations given."); |
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96 throw new IllegalArgumentException("error_empty_state"); |
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97 } |
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98 |
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99 double[] minmax = getMinMax(artifact); |
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100 double[] mm = extractLocations(locationStr); |
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101 |
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102 logger.debug("Inserted min location: " + mm[0]); |
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103 logger.debug("Inserted max location: " + mm[mm.length-1]); |
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104 |
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105 return validateBounds(minmax[0], minmax[1], mm[0], mm[mm.length-1], 0d); |
383
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106 } |
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107 |
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108 |
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109 /** |
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110 * This method takes a string that consist of whitespace separated double |
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111 * values and returns the double values as array. |
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112 * |
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113 * @param locationStr The locations inserted in this state. |
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114 * |
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115 * @return the locations as array. |
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116 */ |
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117 protected double[] extractLocations(String locationStr) { |
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118 String[] tmp = locationStr.split(" "); |
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119 TDoubleArrayList locations = new TDoubleArrayList(); |
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120 |
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121 for (String l: tmp) { |
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122 try { |
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123 locations.add(Double.parseDouble(l)); |
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124 } |
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125 catch (NumberFormatException nfe) { |
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126 logger.warn(nfe, nfe); |
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127 } |
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128 } |
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129 |
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130 locations.sort(); |
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131 |
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132 return locations.toNativeArray(); |
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133 } |
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134 } |
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135 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 : |