Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/states/LocationDistanceSelect.java @ 1050:eccf966fb677

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State engine: Removed CallContext from state validation. flys-artifacts/trunk@2512 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Fri, 19 Aug 2011 14:10:18 +0000
parents 610d0e0f4f85
children 9a77a9adbb36
rev   line source
136
2e510c998adb New state for the location/distance input and some litte modifications of the DefaultState.
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parents:
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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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51b69bca4560 ISSUE-85 (part III/III) Use the given kilometer values for the waterlevel computation.
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5 import gnu.trove.TDoubleArrayList;
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6
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89bd0417418f The location/distance state now writes default values into DESCRIBE.
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7 import de.intevation.artifacts.Artifact;
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8 import de.intevation.artifacts.CallContext;
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9
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10 import de.intevation.artifactdatabase.data.StateData;
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11
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12 import de.intevation.flys.artifacts.FLYSArtifact;
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b972eba2ed8a Removed ComputeCallback because this was thought too complicated. Fixed issue with facets not be re-generated if same state is entered again.
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13
136
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14
2e510c998adb New state for the location/distance input and some litte modifications of the DefaultState.
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15 /**
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16 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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17 */
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c09c9e05ecfa Removed trailing whitespace.
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18 public class LocationDistanceSelect
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19 extends ComputationRangeState
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7298d58a1f5a Generate facets for "Abflusskurven am Pegel". Not working by now. :-/
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20 {
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21
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22 /** The logger used in this class.*/
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23 private static Logger logger = Logger.getLogger(LocationDistanceSelect.class);
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24
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25
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26 /** The name of the 'mode' field. */
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27 public static final String MODE = "ld_mode";
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28
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29 /** The name of the 'locations' field.*/
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30 public static final String LOCATIONS = "ld_locations";
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31
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32
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33 /**
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34 * The default constructor that initializes an empty State object.
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35 */
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36 public LocationDistanceSelect() {
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37 }
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38
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39
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40 @Override
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41 protected String getUIProvider() {
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42 return "location_distance_panel";
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43 }
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44
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45
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46 @Override
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47 public boolean validate(Artifact artifact)
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48 throws IllegalArgumentException
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49 {
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50 logger.debug("LocationDistanceSelect.validate");
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51
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929137ee8154 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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52 FLYSArtifact flys = (FLYSArtifact) artifact;
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53
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54 if (flys.isRange()) {
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eccf966fb677 State engine: Removed CallContext from state validation.
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55 return super.validate(flys);
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56 }
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57 else {
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58 return validateLocations(flys);
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59 }
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60 }
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61
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62
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63 protected boolean validateLocations(FLYSArtifact flys)
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64 throws IllegalArgumentException
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65 {
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66 StateData dValues = getData(flys, LOCATIONS);
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67 String values = dValues != null ? (String)dValues.getValue() : null;
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68
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69 if (values == null || values.length() == 0) {
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70 throw new IllegalArgumentException("error_empty_state");
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71 }
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72
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73 double[] absMinMax = getMinMax(flys);
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74 double[] relMinMax = getMinMaxFromString(values);
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75
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76 if (relMinMax[0] < absMinMax[0] || relMinMax[0] > absMinMax[1]) {
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77 throw new IllegalArgumentException("error_feed_from_out_of_range");
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78 }
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79
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80 if (relMinMax[1] > absMinMax[1] || relMinMax[1] < absMinMax[0]) {
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81 throw new IllegalArgumentException("error_feed_to_out_of_range");
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82 }
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83
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84 return true;
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85 }
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86
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87
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88 /**
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89 * Extracts the min/max values from String <i>s</i>. An
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90 * IllegalArgumentException is thrown if there is a value that throws a
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91 * NumberFormatException.
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92 *
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93 * @param s String that contains whitespace separated double values.
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94 *
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95 * @return a 2dmin array [min,max].
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96 */
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97 public static double[] getMinMaxFromString(String s)
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98 throws IllegalArgumentException
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99 {
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100 String[] values = s.split(" ");
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101
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102 double[] minmax = new double[] {
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103 Double.MAX_VALUE,
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104 -Double.MAX_VALUE };
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105
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106 for (String v: values) {
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107 try {
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108 double value = Double.valueOf(v);
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109
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110 minmax[0] = minmax[0] < value ? minmax[0] : value;
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111 minmax[1] = minmax[1] > value ? minmax[1] : value;
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112 }
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113 catch (NumberFormatException nfe) {
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114 throw new IllegalArgumentException(
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115 "error_invalid_double_value");
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116 }
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117 }
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118
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119 return minmax;
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120 }
628
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121
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122
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123 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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124 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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125 String value = data != null ? (String) data.getValue() : null;
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126
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127 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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128 logger.warn("No location data given.");
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129 return null;
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130 }
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131
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132 String[] splitted = value.split(" ");
51b69bca4560 ISSUE-85 (part III/III) Use the given kilometer values for the waterlevel computation.
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133 TDoubleArrayList values = new TDoubleArrayList();
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134
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135 for (String split: splitted) {
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136 try {
51b69bca4560 ISSUE-85 (part III/III) Use the given kilometer values for the waterlevel computation.
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137 values.add(Double.valueOf(split));
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138 }
51b69bca4560 ISSUE-85 (part III/III) Use the given kilometer values for the waterlevel computation.
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139 catch (NumberFormatException nfe) {
51b69bca4560 ISSUE-85 (part III/III) Use the given kilometer values for the waterlevel computation.
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140 logger.warn(nfe, nfe);
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141 }
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142 }
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143
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144 return values.toNativeArray();
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145 }
136
2e510c998adb New state for the location/distance input and some litte modifications of the DefaultState.
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146 }
2e510c998adb New state for the location/distance input and some litte modifications of the DefaultState.
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147 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org