Mercurial > dive4elements > river
annotate artifacts/src/main/java/org/dive4elements/river/artifacts/states/LocationSelect.java @ 7703:5484818087de
(issue1577, issue1494) Wrap wst name depending on Q > 0
author | Andre Heinecke <aheinecke@intevation.de> |
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date | Tue, 17 Dec 2013 17:21:37 +0100 |
parents | af13ceeba52a |
children | e4606eae8ea5 |
rev | line source |
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River artifacts: Added new copyright headers.
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1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde |
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2 * Software engineering by Intevation GmbH |
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3 * |
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4 * This file is Free Software under the GNU AGPL (>=v3) |
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5 * and comes with ABSOLUTELY NO WARRANTY! Check out the |
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6 * documentation coming with Dive4Elements River for details. |
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7 */ |
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8 |
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9 package org.dive4elements.river.artifacts.states; |
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10 |
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11 import gnu.trove.TDoubleArrayList; |
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12 |
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13 import org.apache.log4j.Logger; |
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14 |
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15 import org.w3c.dom.Element; |
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16 |
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17 import org.dive4elements.artifacts.Artifact; |
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18 import org.dive4elements.artifacts.CallContext; |
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19 |
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20 import org.dive4elements.artifacts.common.utils.XMLUtils; |
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21 |
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22 import org.dive4elements.artifactdatabase.data.StateData; |
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23 |
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24 import org.dive4elements.river.artifacts.D4EArtifact; |
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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.
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25 |
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26 |
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27 /** |
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28 * This state is used to realize the input of multiple locations as string. |
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29 * |
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30 * The string should be a whitespace separated list of double values where each |
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31 * double value represents a location. |
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32 * |
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33 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> |
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34 */ |
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35 public class LocationSelect extends LocationDistanceSelect { |
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36 |
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37 /** The logger used in this class.*/ |
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38 private static Logger logger = Logger.getLogger(LocationSelect.class); |
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39 |
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40 |
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41 public LocationSelect() { |
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42 } |
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43 |
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44 |
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45 /** UI Provider (which input method should the client provide to user. */ |
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46 @Override |
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47 protected String getUIProvider() { |
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48 return "location_panel"; |
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49 } |
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50 |
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51 |
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52 @Override |
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53 protected Element[] createItems( |
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54 XMLUtils.ElementCreator cr, |
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55 Artifact artifact, |
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56 String name, |
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57 CallContext context) |
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58 { |
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59 double[] minmax = getMinMax(artifact); |
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60 |
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61 double minVal = Double.MIN_VALUE; |
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62 double maxVal = Double.MAX_VALUE; |
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63 |
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64 if (minmax != null) { |
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65 minVal = minmax[0]; |
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66 maxVal = minmax[1]; |
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67 } |
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68 else { |
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69 logger.warn("Could not read min/max distance values!"); |
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70 } |
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71 |
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72 if (name.equals(LOCATIONS)) { |
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73 Element min = createItem( |
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74 cr, |
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75 new String[] {"min", new Double(minVal).toString()}); |
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76 |
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77 Element max = createItem( |
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78 cr, |
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79 new String[] {"max", new Double(maxVal).toString()}); |
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80 |
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81 return new Element[] { min, max }; |
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82 } |
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83 |
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84 return null; |
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85 } |
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86 |
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87 |
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88 /** Validates data from artifact. */ |
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89 @Override |
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90 public boolean validate(Artifact artifact) |
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91 throws IllegalArgumentException |
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92 { |
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93 logger.debug("LocationSelect.validate"); |
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94 |
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95 D4EArtifact flys = (D4EArtifact) artifact; |
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96 StateData data = getData(flys, LOCATIONS); |
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97 |
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98 String locationStr = data != null |
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99 ? (String) data.getValue() |
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100 : null; |
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101 |
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102 if (locationStr == null || locationStr.length() == 0) { |
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103 logger.error("No locations given."); |
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104 throw new IllegalArgumentException("error_empty_state"); |
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105 } |
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106 |
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107 double[] minmax = getMinMax(artifact); |
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108 double[] mm = extractLocations(locationStr); |
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109 |
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110 logger.debug("Inserted min location: " + mm[0]); |
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111 logger.debug("Inserted max location: " + mm[mm.length-1]); |
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112 |
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113 return validateBounds(minmax[0], minmax[1], mm[0], mm[mm.length-1], 0d); |
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114 } |
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115 |
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116 |
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117 /** |
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118 * This method takes a string that consist of whitespace separated double |
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119 * values and returns the double values as array. |
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120 * |
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121 * @param locationStr The locations inserted in this state. |
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122 * |
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123 * @return the locations as array. |
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124 */ |
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125 protected double[] extractLocations(String locationStr) { |
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126 String[] tmp = locationStr.split(" "); |
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127 TDoubleArrayList locations = new TDoubleArrayList(); |
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128 |
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129 for (String l: tmp) { |
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130 try { |
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131 locations.add(Double.parseDouble(l)); |
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132 } |
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133 catch (NumberFormatException nfe) { |
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134 logger.warn(nfe, nfe); |
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135 } |
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136 } |
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137 |
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138 locations.sort(); |
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139 |
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140 return locations.toNativeArray(); |
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141 } |
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142 } |
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143 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 : |