Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/states/LocationDistanceSelect.java @ 625:c0c60a611fca

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Introduce model to store q values of WST columns efficiently. flys-artifacts/trunk@1983 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Mon, 23 May 2011 22:33:37 +0000
parents 929137ee8154
children 833290f16f09
rev   line source
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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.model.River;
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16
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17 import de.intevation.flys.artifacts.FLYSArtifact;
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18 import de.intevation.flys.artifacts.model.RiverFactory;
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19 import de.intevation.flys.artifacts.resources.Resources;
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20
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21 /**
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22 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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23 */
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24 public class LocationDistanceSelect extends RangeState {
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26 /** The logger used in this class.*/
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27 private static Logger logger = Logger.getLogger(LocationDistanceSelect.class);
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29
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30 /** The default step width.*/
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31 public static final String DEFAULT_STEP = "100";
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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 /**
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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 protected Element createData(
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49 XMLUtils.ElementCreator cr,
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50 Artifact artifact,
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51 StateData data,
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52 CallContext context)
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53 {
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54 Element select = ProtocolUtils.createArtNode(
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55 cr, "select", null, null);
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56
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57 cr.addAttr(select, "name", data.getName(), true);
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58
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59 Element label = ProtocolUtils.createArtNode(
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60 cr, "label", null, null);
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61
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62 Element choices = ProtocolUtils.createArtNode(
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63 cr, "choices", null, null);
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64
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65 label.setTextContent(Resources.getMsg(
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66 context.getMeta(),
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67 data.getName(),
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68 data.getName()));
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69
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70 select.appendChild(label);
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71
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72 return select;
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73 }
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74
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75
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76 protected Element[] createItems(
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77 XMLUtils.ElementCreator cr,
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78 Artifact artifact,
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79 String name,
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80 CallContext context)
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81 {
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82 double[] minmax = getMinMaxDistance(artifact);
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83
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84 double minVal = Double.MIN_VALUE;
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85 double maxVal = Double.MAX_VALUE;
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86
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87 if (minmax != null) {
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88 minVal = minmax[0];
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89 maxVal = minmax[1];
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90 }
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91 else {
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92 logger.warn("Could not read min/max distance values!");
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93 }
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94
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95 if (name.equals("ld_from")) {
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96 Element min = createItem(
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97 cr,
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98 new String[] {"min", new Double(minVal).toString()});
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99
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100 return new Element[] { min };
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101 }
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102 else if (name.equals("ld_to")) {
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103 Element max = createItem(
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104 cr,
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105 new String[] {"max", new Double(maxVal).toString()});
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106
136
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107 return new Element[] { max };
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108 }
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109 else {
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110 Element step = createItem(cr, new String[] {"step", DEFAULT_STEP});
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111 return new Element[] { step };
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112 }
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113
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114 }
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115
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116
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117 protected Element createItem(XMLUtils.ElementCreator cr, Object obj) {
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118 Element item = ProtocolUtils.createArtNode(cr, "item", null, null);
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119 Element label = ProtocolUtils.createArtNode(cr, "label", null, null);
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120 Element value = ProtocolUtils.createArtNode(cr, "value", null, null);
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121
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122 String[] arr = (String[]) obj;
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123
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124 label.setTextContent(arr[0]);
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125 value.setTextContent(arr[1]);
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126
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127 item.appendChild(label);
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128 item.appendChild(value);
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129
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130 return item;
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131 }
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132
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133
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134 protected String getUIProvider() {
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135 return "location_distance_panel";
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136 }
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137
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138
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139 protected double[] getMinMaxDistance(Artifact artifact) {
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140 FLYSArtifact flysArtifact = (FLYSArtifact) artifact;
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141 StateData data = getData(flysArtifact, "river");
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142
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143 String name = data != null ? (String) data.getValue() : "";
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144
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145 logger.debug("Search for the min/max distances of '" + name + "'");
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146
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147 River river = RiverFactory.getRiver(name);
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148
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149 return river != null ? river.determineMinMaxDistance() : null;
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150 }
322
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151
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152
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153 @Override
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154 public boolean validate(Artifact artifact, CallContext context)
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155 throws IllegalArgumentException
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156 {
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157 logger.debug("LocationDistanceSelect.validate");
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158
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159 FLYSArtifact flys = (FLYSArtifact) artifact;
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160
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161 StateData dFrom = getData(flys, FROM);
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162 StateData dTo = getData(flys, TO);
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163 StateData dStep = getData(flys, STEP);
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164
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165 String fromStr = dFrom != null ? (String) dFrom.getValue() : null;
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166 String toStr = dTo != null ? (String) dTo.getValue() : null;
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167 String stepStr = dStep != null ? (String) dStep.getValue() : null;
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168
352
ed3325a0232a Throw an illegal argument exception in LocationDistanceSelect.validate() and WQSelect.validate() if no data has been inserted so far.
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169 if (fromStr == null || toStr == null || stepStr == null) {
ed3325a0232a Throw an illegal argument exception in LocationDistanceSelect.validate() and WQSelect.validate() if no data has been inserted so far.
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170 throw new IllegalArgumentException("error_empty_state");
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171 }
ed3325a0232a Throw an illegal argument exception in LocationDistanceSelect.validate() and WQSelect.validate() if no data has been inserted so far.
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172
322
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173 try {
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174 double from = Double.parseDouble(fromStr);
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175 double to = Double.parseDouble(toStr);
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176 double step = Double.parseDouble(stepStr);
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177
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178 double[] minmaxDist = getMinMaxDistance(artifact);
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179
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c21fb8de54f8 Enabled the FLYSArtifact to handle an array of inserted WQ values (without given ranges).
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180 return validateBounds(minmaxDist[0], minmaxDist[1], from, to, step);
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181 }
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182 catch (NumberFormatException nfe) {
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183 throw new IllegalArgumentException("error_feed_number_format");
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184 }
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185 }
136
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186 }
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187 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org