Mercurial > dive4elements > river
annotate artifacts/src/main/java/org/dive4elements/river/artifacts/states/LocationDistanceSelect.java @ 8451:e3e5d6bb4902
(issue1733) Use rangeaccess to access range information in location select
RangeAccess and RiverUtils sort the locations properly.
author | Andre Heinecke <andre.heinecke@intevation.de> |
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date | Tue, 28 Oct 2014 16:10:42 +0100 |
parents | e4606eae8ea5 |
children | 07df414d5d88 |
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 org.apache.log4j.Logger; |
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12 |
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13 import gnu.trove.TDoubleArrayList; |
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14 |
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15 import org.dive4elements.artifacts.Artifact; |
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16 |
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17 import org.dive4elements.artifactdatabase.data.StateData; |
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18 |
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19 import org.dive4elements.river.artifacts.D4EArtifact; |
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20 import org.dive4elements.river.artifacts.WINFOArtifact; |
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21 |
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22 import org.dive4elements.river.artifacts.access.RangeAccess; |
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23 |
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24 |
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25 /** |
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26 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> |
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27 */ |
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28 public class LocationDistanceSelect |
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29 extends ComputationRangeState |
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30 { |
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31 |
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32 /** The log used in this class. */ |
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33 private static Logger log = Logger.getLogger(LocationDistanceSelect.class); |
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34 |
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35 /** The name of the 'mode' field. */ |
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36 public static final String MODE = "ld_mode"; |
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37 |
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38 /** The name of the 'locations' field. */ |
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39 public static final String LOCATIONS = "ld_locations"; |
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40 |
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41 |
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42 /** |
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43 * The default constructor that initializes an empty State object. |
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44 */ |
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45 public LocationDistanceSelect() { |
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46 } |
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47 |
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48 |
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49 @Override |
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50 protected String getUIProvider() { |
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51 return "location_distance_panel"; |
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52 } |
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53 |
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54 |
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55 /** Validates the range (or location). */ |
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56 @Override |
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57 public boolean validate(Artifact artifact) |
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58 throws IllegalArgumentException |
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59 { |
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60 log.debug("LocationDistanceSelect.validate"); |
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61 |
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62 D4EArtifact flys = (D4EArtifact)artifact; |
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63 StateData mode = getData(flys, MODE); |
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64 String mValue = mode != null ? (String)mode.getValue() : null; |
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65 if (mValue != null) { |
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66 if (mValue.equals("distance")) { |
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67 return super.validate(flys); |
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68 } |
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69 else { |
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70 return validateLocations(flys); |
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71 } |
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72 } |
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73 return false; |
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74 } |
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75 |
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76 |
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77 /** Validate selected locations. */ |
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78 protected boolean validateLocations(D4EArtifact flys) |
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79 throws IllegalArgumentException |
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80 { |
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81 StateData dValues = getData(flys, LOCATIONS); |
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82 String values = dValues != null ? (String)dValues.getValue() : null; |
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83 |
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84 if (values == null || values.length() == 0) { |
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85 throw new IllegalArgumentException("error_empty_state"); |
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86 } |
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87 |
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88 double[] absMinMax = getMinMax(flys); |
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89 double[] relMinMax = getMinMaxFromString(values); |
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90 |
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91 if (relMinMax[0] < absMinMax[0] || relMinMax[0] > absMinMax[1]) { |
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92 throw new IllegalArgumentException("error_feed_from_out_of_range"); |
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93 } |
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94 |
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95 if (relMinMax[1] > absMinMax[1] || relMinMax[1] < absMinMax[0]) { |
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96 throw new IllegalArgumentException("error_feed_to_out_of_range"); |
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97 } |
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98 |
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99 return true; |
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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 * Extracts the min/max values from String <i>s</i>. An |
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105 * IllegalArgumentException is thrown if there is a value that throws a |
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106 * NumberFormatException. |
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107 * |
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108 * @param s String that contains whitespace separated double values. |
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109 * |
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110 * @return a 2dmin array [min,max]. |
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111 */ |
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112 public static double[] getMinMaxFromString(String s) |
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113 throws IllegalArgumentException |
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114 { |
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115 String[] values = s.split(" "); |
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116 |
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117 double[] minmax = new double[] { |
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118 Double.MAX_VALUE, |
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119 -Double.MAX_VALUE }; |
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120 |
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121 for (String v: values) { |
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122 try { |
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123 double value = Double.valueOf(v); |
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124 |
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125 minmax[0] = minmax[0] < value ? minmax[0] : value; |
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126 minmax[1] = minmax[1] > value ? minmax[1] : value; |
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127 } |
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128 catch (NumberFormatException nfe) { |
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129 throw new IllegalArgumentException( |
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130 "error_invalid_double_value"); |
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131 } |
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132 } |
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133 |
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134 return minmax; |
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135 } |
628
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136 |
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137 |
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138 public static double[] getLocations(WINFOArtifact flys) { |
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139 RangeAccess ra = new RangeAccess(flys); |
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140 return ra.getLocations(); |
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141 } |
136
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142 } |
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143 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 : |