Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/states/LocationDistanceSelect.java @ 627:833290f16f09

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ISSUE-85 (part I/III) Added further fields for the location/range state. flys-artifacts/trunk@1992 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Tue, 24 May 2011 11:27:37 +0000
parents 929137ee8154
children 51b69bca4560
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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25
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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 'mode' field. */
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34 public static final String MODE = "ld_mode";
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35
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36 /** The name of the 'locations' field.*/
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37 public static final String LOCATIONS = "ld_locations";
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38
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39 /** The name of the 'from' field. */
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40 public static final String FROM = "ld_from";
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41
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42 /** The name of the 'to' field. */
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43 public static final String TO = "ld_to";
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44
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45 /** The name of the 'step' field. */
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46 public static final String STEP = "ld_step";
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47
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48 /**
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49 * The default constructor that initializes an empty State object.
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50 */
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51 public LocationDistanceSelect() {
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52 }
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53
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54 protected Element createData(
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55 XMLUtils.ElementCreator cr,
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56 Artifact artifact,
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57 StateData data,
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58 CallContext context)
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59 {
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60 Element select = ProtocolUtils.createArtNode(
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61 cr, "select", null, null);
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62
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63 cr.addAttr(select, "name", data.getName(), true);
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64
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65 Element label = ProtocolUtils.createArtNode(
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66 cr, "label", null, null);
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67
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68 Element choices = ProtocolUtils.createArtNode(
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69 cr, "choices", null, null);
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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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81
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82 protected Element[] createItems(
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83 XMLUtils.ElementCreator cr,
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84 Artifact artifact,
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85 String name,
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86 CallContext context)
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87 {
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88 double[] minmax = getMinMaxDistance(artifact);
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89
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90 double minVal = Double.MIN_VALUE;
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91 double maxVal = Double.MAX_VALUE;
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92
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93 if (minmax != null) {
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94 minVal = minmax[0];
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95 maxVal = minmax[1];
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96 }
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97 else {
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98 logger.warn("Could not read min/max distance values!");
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99 }
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100
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101 if (name.equals("ld_from")) {
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102 Element min = createItem(
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103 cr,
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104 new String[] {"min", new Double(minVal).toString()});
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105
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106 return new Element[] { min };
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107 }
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108 else if (name.equals("ld_to")) {
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109 Element max = createItem(
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110 cr,
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111 new String[] {"max", new Double(maxVal).toString()});
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112
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113 return new Element[] { max };
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114 }
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115 else {
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116 Element step = createItem(cr, new String[] {"step", DEFAULT_STEP});
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117 return new Element[] { step };
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118 }
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119
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120 }
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121
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122
2e510c998adb New state for the location/distance input and some litte modifications of the DefaultState.
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123 protected Element createItem(XMLUtils.ElementCreator cr, Object obj) {
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124 Element item = ProtocolUtils.createArtNode(cr, "item", null, null);
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125 Element label = ProtocolUtils.createArtNode(cr, "label", null, null);
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126 Element value = ProtocolUtils.createArtNode(cr, "value", null, null);
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127
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128 String[] arr = (String[]) obj;
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129
2e510c998adb New state for the location/distance input and some litte modifications of the DefaultState.
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130 label.setTextContent(arr[0]);
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131 value.setTextContent(arr[1]);
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132
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133 item.appendChild(label);
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134 item.appendChild(value);
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135
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136 return item;
2e510c998adb New state for the location/distance input and some litte modifications of the DefaultState.
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137 }
2e510c998adb New state for the location/distance input and some litte modifications of the DefaultState.
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138
2e510c998adb New state for the location/distance input and some litte modifications of the DefaultState.
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139
2e510c998adb New state for the location/distance input and some litte modifications of the DefaultState.
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140 protected String getUIProvider() {
2e510c998adb New state for the location/distance input and some litte modifications of the DefaultState.
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141 return "location_distance_panel";
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142 }
313
89bd0417418f The location/distance state now writes default values into DESCRIBE.
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143
89bd0417418f The location/distance state now writes default values into DESCRIBE.
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144
89bd0417418f The location/distance state now writes default values into DESCRIBE.
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145 protected double[] getMinMaxDistance(Artifact artifact) {
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146 FLYSArtifact flysArtifact = (FLYSArtifact) artifact;
624
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147 StateData data = getData(flysArtifact, "river");
313
89bd0417418f The location/distance state now writes default values into DESCRIBE.
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148
624
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149 String name = data != null ? (String) data.getValue() : "";
313
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150
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151 logger.debug("Search for the min/max distances of '" + name + "'");
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152
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153 River river = RiverFactory.getRiver(name);
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154
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155 return river != null ? river.determineMinMaxDistance() : null;
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156 }
322
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157
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158
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159 @Override
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160 public boolean validate(Artifact artifact, CallContext context)
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161 throws IllegalArgumentException
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162 {
448d0dc64357 The inserted ranges (distance and WQ ranges) are validated in the feed() operation.
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163 logger.debug("LocationDistanceSelect.validate");
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164
624
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165 FLYSArtifact flys = (FLYSArtifact) artifact;
322
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166
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167 if (flys.isRange()) {
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168 return validateRange(flys, context);
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169 }
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170 else {
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171 return validateLocations(flys, context);
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172 }
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173 }
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174
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175
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176 protected boolean validateLocations(FLYSArtifact flys, CallContext context)
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177 throws IllegalArgumentException
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178 {
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diff changeset
179 StateData dValues = getData(flys, LOCATIONS);
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180 String values = dValues != null ? (String)dValues.getValue() : null;
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181
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182 if (values == null || values.length() == 0) {
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183 throw new IllegalArgumentException("error_empty_state");
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184 }
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185
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diff changeset
186 double[] absMinMax = getMinMaxDistance(flys);
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diff changeset
187 double[] relMinMax = getMinMaxFromString(values);
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188
833290f16f09 ISSUE-85 (part I/III) Added further fields for the location/range state.
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189 if (relMinMax[0] < absMinMax[0] || relMinMax[0] > absMinMax[1]) {
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diff changeset
190 throw new IllegalArgumentException("error_feed_from_out_of_range");
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191 }
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diff changeset
192
833290f16f09 ISSUE-85 (part I/III) Added further fields for the location/range state.
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diff changeset
193 if (relMinMax[1] > absMinMax[1] || relMinMax[1] < absMinMax[0]) {
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diff changeset
194 throw new IllegalArgumentException("error_feed_to_out_of_range");
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195 }
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diff changeset
196
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197 return true;
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198 }
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diff changeset
199
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diff changeset
200
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diff changeset
201 protected boolean validateRange(FLYSArtifact flys, CallContext context)
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diff changeset
202 throws IllegalArgumentException
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diff changeset
203 {
624
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parents: 379
diff changeset
204 StateData dFrom = getData(flys, FROM);
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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parents: 379
diff changeset
205 StateData dTo = getData(flys, TO);
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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parents: 379
diff changeset
206 StateData dStep = getData(flys, STEP);
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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diff changeset
207
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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diff changeset
208 String fromStr = dFrom != null ? (String) dFrom.getValue() : null;
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diff changeset
209 String toStr = dTo != null ? (String) dTo.getValue() : null;
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.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 379
diff changeset
210 String stepStr = dStep != null ? (String) dStep.getValue() : null;
322
448d0dc64357 The inserted ranges (distance and WQ ranges) are validated in the feed() operation.
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parents: 313
diff changeset
211
352
ed3325a0232a Throw an illegal argument exception in LocationDistanceSelect.validate() and WQSelect.validate() if no data has been inserted so far.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 322
diff changeset
212 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.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 322
diff changeset
213 throw new IllegalArgumentException("error_empty_state");
ed3325a0232a Throw an illegal argument exception in LocationDistanceSelect.validate() and WQSelect.validate() if no data has been inserted so far.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 322
diff changeset
214 }
ed3325a0232a Throw an illegal argument exception in LocationDistanceSelect.validate() and WQSelect.validate() if no data has been inserted so far.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 322
diff changeset
215
322
448d0dc64357 The inserted ranges (distance and WQ ranges) are validated in the feed() operation.
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parents: 313
diff changeset
216 try {
448d0dc64357 The inserted ranges (distance and WQ ranges) are validated in the feed() operation.
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diff changeset
217 double from = Double.parseDouble(fromStr);
448d0dc64357 The inserted ranges (distance and WQ ranges) are validated in the feed() operation.
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diff changeset
218 double to = Double.parseDouble(toStr);
448d0dc64357 The inserted ranges (distance and WQ ranges) are validated in the feed() operation.
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parents: 313
diff changeset
219 double step = Double.parseDouble(stepStr);
448d0dc64357 The inserted ranges (distance and WQ ranges) are validated in the feed() operation.
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parents: 313
diff changeset
220
627
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diff changeset
221 double[] minmaxDist = getMinMaxDistance(flys);
322
448d0dc64357 The inserted ranges (distance and WQ ranges) are validated in the feed() operation.
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parents: 313
diff changeset
222
379
c21fb8de54f8 Enabled the FLYSArtifact to handle an array of inserted WQ values (without given ranges).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 352
diff changeset
223 return validateBounds(minmaxDist[0], minmaxDist[1], from, to, step);
322
448d0dc64357 The inserted ranges (distance and WQ ranges) are validated in the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 313
diff changeset
224 }
448d0dc64357 The inserted ranges (distance and WQ ranges) are validated in the feed() operation.
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parents: 313
diff changeset
225 catch (NumberFormatException nfe) {
627
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diff changeset
226 throw new IllegalArgumentException("error_invalid_double_value");
322
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parents: 313
diff changeset
227 }
448d0dc64357 The inserted ranges (distance and WQ ranges) are validated in the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 313
diff changeset
228 }
627
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parents: 624
diff changeset
229
833290f16f09 ISSUE-85 (part I/III) Added further fields for the location/range state.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 624
diff changeset
230
833290f16f09 ISSUE-85 (part I/III) Added further fields for the location/range state.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 624
diff changeset
231 /**
833290f16f09 ISSUE-85 (part I/III) Added further fields for the location/range state.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 624
diff changeset
232 * Extracts the min/max values from String <i>s</i>. An
833290f16f09 ISSUE-85 (part I/III) Added further fields for the location/range state.
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parents: 624
diff changeset
233 * IllegalArgumentException is thrown if there is a value that throws a
833290f16f09 ISSUE-85 (part I/III) Added further fields for the location/range state.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 624
diff changeset
234 * NumberFormatException.
833290f16f09 ISSUE-85 (part I/III) Added further fields for the location/range state.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 624
diff changeset
235 *
833290f16f09 ISSUE-85 (part I/III) Added further fields for the location/range state.
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parents: 624
diff changeset
236 * @param s String that contains whitespace separated double values.
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 624
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237 *
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238 * @return a 2dmin array [min,max].
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239 */
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240 public static double[] getMinMaxFromString(String s)
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241 throws IllegalArgumentException
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242 {
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243 String[] values = s.split(" ");
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244
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245 double[] minmax = new double[] {
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246 Double.MAX_VALUE,
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247 -Double.MAX_VALUE };
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248
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249 for (String v: values) {
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250 try {
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251 double value = Double.valueOf(v);
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252
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253 minmax[0] = minmax[0] < value ? minmax[0] : value;
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254 minmax[1] = minmax[1] > value ? minmax[1] : value;
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255 }
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256 catch (NumberFormatException nfe) {
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257 throw new IllegalArgumentException(
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258 "error_invalid_double_value");
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259 }
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260 }
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261
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262 return minmax;
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263 }
136
2e510c998adb New state for the location/distance input and some litte modifications of the DefaultState.
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264 }
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265 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org