Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/states/ComputationRangeState.java @ 4697:52068f1231da

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Fixed NPE in empty style editor window.
author Raimund Renkert <rrenkert@intevation.de>
date Mon, 17 Dec 2012 17:54:26 +0100
parents 8e66293c5369
children 1358d0c8481c
rev   line source
921
610d0e0f4f85 #159 Modifications in the transition model to support a state with a kilometer range input only.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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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5 import org.w3c.dom.Element;
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6
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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.artifacts.common.utils.XMLUtils;
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11
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12 import de.intevation.artifactdatabase.ProtocolUtils;
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13 import de.intevation.artifactdatabase.data.StateData;
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14
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15 import de.intevation.flys.artifacts.FLYSArtifact;
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17 import de.intevation.flys.artifacts.model.FacetTypes;
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18 import de.intevation.flys.artifacts.resources.Resources;
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19
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20 import de.intevation.flys.utils.FLYSUtils;
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21
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22
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23 /**
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24 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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25 */
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26 public class ComputationRangeState
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27 extends RangeState
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28 implements FacetTypes
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29 {
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30 private static Logger logger =
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31 Logger.getLogger(ComputationRangeState.class);
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32
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33 /** The name of the 'from' field. */
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34 public static final String FROM = "ld_from";
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35
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36 /** The name of the 'to' field. */
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37 public static final String TO = "ld_to";
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38
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39 /** The name of the 'step' field. */
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40 public static final String STEP = "ld_step";
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41
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42 /** The default step width. */
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43 public static final int DEFAULT_STEP = 100;
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44
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45
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46 public ComputationRangeState() {
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47 }
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48
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49
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50 @Override
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51 protected Element createData(
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52 XMLUtils.ElementCreator cr,
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53 Artifact artifact,
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54 StateData data,
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55 CallContext context)
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56 {
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57 Element select = ProtocolUtils.createArtNode(
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58 cr, "select", null, null);
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59
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60 cr.addAttr(select, "name", data.getName(), true);
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61
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62 Element label = ProtocolUtils.createArtNode(
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63 cr, "label", null, null);
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64
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65 // XXX: DEAD CODE
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66 /*
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67 Element choices = ProtocolUtils.createArtNode(
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68 cr, "choices", null, null);
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69 */
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70
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71 label.setTextContent(Resources.getMsg(
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72 context.getMeta(),
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73 data.getName(),
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74 data.getName()));
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75
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76 select.appendChild(label);
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77
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78 return select;
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79 }
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80
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81
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82 @Override
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83 protected Element[] createItems(
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84 XMLUtils.ElementCreator cr,
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85 Artifact artifact,
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86 String name,
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87 CallContext context)
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88 {
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89 double[] minmax = getMinMax(artifact);
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90
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91 double minVal = Double.MIN_VALUE;
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92 double maxVal = Double.MAX_VALUE;
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93
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94 if (minmax != null) {
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95 minVal = minmax[0];
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96 maxVal = minmax[1];
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97 }
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98 else {
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99 logger.warn("Could not read min/max distance values!");
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100 }
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101
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102 if (name.equals("ld_from")) {
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103 Element min = createItem(
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104 cr,
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105 new String[] {"min", new Double(minVal).toString()});
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106
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107 return new Element[] { min };
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108 }
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109 else if (name.equals("ld_to")) {
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110 Element max = createItem(
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111 cr,
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112 new String[] {"max", new Double(maxVal).toString()});
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113
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114 return new Element[] { max };
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115 }
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116 else {
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117 Element step = createItem(
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118 cr,
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119 new String[] {"step", String.valueOf(getDefaultStep())});
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120 return new Element[] { step };
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121 }
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122
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123 }
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124
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125
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126 protected Element createItem(XMLUtils.ElementCreator cr, Object obj) {
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127 Element item = ProtocolUtils.createArtNode(cr, "item", null, null);
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128 Element label = ProtocolUtils.createArtNode(cr, "label", null, null);
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129 Element value = ProtocolUtils.createArtNode(cr, "value", null, null);
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130
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131 String[] arr = (String[]) obj;
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132
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133 label.setTextContent(arr[0]);
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134 value.setTextContent(arr[1]);
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135
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136 item.appendChild(label);
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137 item.appendChild(value);
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138
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139 return item;
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140 }
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141
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142
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143 @Override
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144 protected double[] getMinMax(Artifact artifact) {
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145 FLYSArtifact flysArtifact = (FLYSArtifact) artifact;
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146 return FLYSUtils.getRiverMinMax(flysArtifact);
921
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147 }
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148
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149
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150 protected double getDefaultStep() {
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151 return DEFAULT_STEP;
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152 }
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153
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154
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155 @Override
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156 protected String getLowerField() {
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157 return FROM;
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158 }
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159
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160
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161 @Override
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162 protected String getUpperField() {
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163 return TO;
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164 }
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165
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166
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167 @Override
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168 protected String getStepField() {
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169 return STEP;
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170 }
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171 }
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172 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org