Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/artifacts/states/LocationSelect.java @ 8202:e4606eae8ea5

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sed src/**/*.java 's/logger/log/g'
author Sascha L. Teichmann <teichmann@intevation.de>
date Fri, 05 Sep 2014 12:58:17 +0200
parents af13ceeba52a
children 1a7cfeb1ff89 0a5239a1e46e
rev   line source
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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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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 log used in this class.*/
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38 private static Logger log = 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 log.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 log.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 log.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 log.debug("Inserted min location: " + mm[0]);
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111 log.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) {
8202
e4606eae8ea5 sed src/**/*.java 's/logger/log/g'
Sascha L. Teichmann <teichmann@intevation.de>
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134 log.warn(nfe, nfe);
383
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135 }
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136 }
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137
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
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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 :
http://dive4elements.wald.intevation.org