Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/states/LocationDistanceSelect.java @ 1053:bfc2ed20b87c

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Prepared the FloodMapState to save geometries. flys-artifacts/trunk@2519 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Mon, 22 Aug 2011 10:40:15 +0000
parents 9a77a9adbb36
children 61c051e53f9b
rev   line source
136
2e510c998adb New state for the location/distance input and some litte modifications of the DefaultState.
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1 package de.intevation.flys.artifacts.states;
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2
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3 import org.apache.log4j.Logger;
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4
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5 import gnu.trove.TDoubleArrayList;
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6
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7 import de.intevation.artifacts.Artifact;
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8
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9 import de.intevation.artifactdatabase.data.StateData;
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10
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11 import de.intevation.flys.artifacts.FLYSArtifact;
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13
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14 /**
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15 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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16 */
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17 public class LocationDistanceSelect
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18 extends ComputationRangeState
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19 {
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20
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21 /** The logger used in this class.*/
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22 private static Logger logger = Logger.getLogger(LocationDistanceSelect.class);
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23
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24
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25 /** The name of the 'mode' field. */
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26 public static final String MODE = "ld_mode";
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27
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28 /** The name of the 'locations' field.*/
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29 public static final String LOCATIONS = "ld_locations";
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30
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32 /**
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33 * The default constructor that initializes an empty State object.
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34 */
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35 public LocationDistanceSelect() {
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36 }
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37
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38
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39 @Override
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40 protected String getUIProvider() {
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41 return "location_distance_panel";
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42 }
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44
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45 @Override
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46 public boolean validate(Artifact artifact)
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47 throws IllegalArgumentException
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48 {
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49 logger.debug("LocationDistanceSelect.validate");
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50
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51 FLYSArtifact flys = (FLYSArtifact) artifact;
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52
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53 if (flys.isRange()) {
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54 return super.validate(flys);
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55 }
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56 else {
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57 return validateLocations(flys);
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58 }
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59 }
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61
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62 protected boolean validateLocations(FLYSArtifact flys)
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63 throws IllegalArgumentException
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64 {
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65 StateData dValues = getData(flys, LOCATIONS);
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66 String values = dValues != null ? (String)dValues.getValue() : null;
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67
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68 if (values == null || values.length() == 0) {
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69 throw new IllegalArgumentException("error_empty_state");
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70 }
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71
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72 double[] absMinMax = getMinMax(flys);
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73 double[] relMinMax = getMinMaxFromString(values);
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74
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75 if (relMinMax[0] < absMinMax[0] || relMinMax[0] > absMinMax[1]) {
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76 throw new IllegalArgumentException("error_feed_from_out_of_range");
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77 }
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78
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79 if (relMinMax[1] > absMinMax[1] || relMinMax[1] < absMinMax[0]) {
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80 throw new IllegalArgumentException("error_feed_to_out_of_range");
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81 }
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82
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83 return true;
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84 }
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85
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86
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87 /**
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88 * Extracts the min/max values from String <i>s</i>. An
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89 * IllegalArgumentException is thrown if there is a value that throws a
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90 * NumberFormatException.
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91 *
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92 * @param s String that contains whitespace separated double values.
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93 *
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94 * @return a 2dmin array [min,max].
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95 */
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96 public static double[] getMinMaxFromString(String s)
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97 throws IllegalArgumentException
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98 {
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99 String[] values = s.split(" ");
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100
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101 double[] minmax = new double[] {
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102 Double.MAX_VALUE,
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103 -Double.MAX_VALUE };
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104
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105 for (String v: values) {
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106 try {
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107 double value = Double.valueOf(v);
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108
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109 minmax[0] = minmax[0] < value ? minmax[0] : value;
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110 minmax[1] = minmax[1] > value ? minmax[1] : value;
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111 }
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112 catch (NumberFormatException nfe) {
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113 throw new IllegalArgumentException(
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114 "error_invalid_double_value");
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115 }
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116 }
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117
833290f16f09 ISSUE-85 (part I/III) Added further fields for the location/range state.
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118 return minmax;
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119 }
628
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120
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121
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122 public static double[] getLocations(FLYSArtifact flys) {
51b69bca4560 ISSUE-85 (part III/III) Use the given kilometer values for the waterlevel computation.
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123 StateData data = flys.getData("ld_locations");
51b69bca4560 ISSUE-85 (part III/III) Use the given kilometer values for the waterlevel computation.
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124 String value = data != null ? (String) data.getValue() : null;
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125
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126 if (value == null || value.length() == 0) {
51b69bca4560 ISSUE-85 (part III/III) Use the given kilometer values for the waterlevel computation.
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127 logger.warn("No location data given.");
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128 return null;
51b69bca4560 ISSUE-85 (part III/III) Use the given kilometer values for the waterlevel computation.
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129 }
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130
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131 String[] splitted = value.split(" ");
51b69bca4560 ISSUE-85 (part III/III) Use the given kilometer values for the waterlevel computation.
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132 TDoubleArrayList values = new TDoubleArrayList();
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133
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134 for (String split: splitted) {
51b69bca4560 ISSUE-85 (part III/III) Use the given kilometer values for the waterlevel computation.
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135 try {
51b69bca4560 ISSUE-85 (part III/III) Use the given kilometer values for the waterlevel computation.
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136 values.add(Double.valueOf(split));
51b69bca4560 ISSUE-85 (part III/III) Use the given kilometer values for the waterlevel computation.
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137 }
51b69bca4560 ISSUE-85 (part III/III) Use the given kilometer values for the waterlevel computation.
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138 catch (NumberFormatException nfe) {
51b69bca4560 ISSUE-85 (part III/III) Use the given kilometer values for the waterlevel computation.
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139 logger.warn(nfe, nfe);
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140 }
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141 }
51b69bca4560 ISSUE-85 (part III/III) Use the given kilometer values for the waterlevel computation.
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142
51b69bca4560 ISSUE-85 (part III/III) Use the given kilometer values for the waterlevel computation.
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143 return values.toNativeArray();
51b69bca4560 ISSUE-85 (part III/III) Use the given kilometer values for the waterlevel computation.
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144 }
136
2e510c998adb New state for the location/distance input and some litte modifications of the DefaultState.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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145 }
2e510c998adb New state for the location/distance input and some litte modifications of the DefaultState.
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146 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org