Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/artifacts/states/LocationSelect.java @ 9425:3f49835a00c3

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Extended CrossSectionFacet so it may fetch different data from within the artifact result. Also allows to have acces to the potentially already computed artifact result via its normal computation cache.
author gernotbelger
date Fri, 17 Aug 2018 15:31:02 +0200
parents e4606eae8ea5
children 1a7cfeb1ff89 0a5239a1e46e
rev   line source
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parents: 5838
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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