Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/state/MinMaxState.java @ 817:3f447e92024a

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Added JavaDoc package descriptions. gnv-artifacts/trunk@902 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Mon, 12 Apr 2010 09:37:30 +0000
parents 22c18083225e
children 499cfbbb61bc
rev   line source
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1 package de.intevation.gnv.state;
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2
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3 import de.intevation.artifactdatabase.XMLUtils;
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4
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5 import de.intevation.artifacts.CallContext;
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6 import de.intevation.artifacts.CallMeta;
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7
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8 import de.intevation.gnv.artifacts.ressource.RessourceFactory;
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9
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10 import de.intevation.gnv.geobackend.base.Result;
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11
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12 import de.intevation.gnv.geobackend.util.DateUtils;
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13
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14 import de.intevation.gnv.state.describedata.DefaultMinMaxDescribeData;
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15 import de.intevation.gnv.state.describedata.DescribeData;
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16 import de.intevation.gnv.state.describedata.MinMaxDescribeData;
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17
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18 import de.intevation.gnv.state.exception.StateException;
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19
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20 import de.intevation.gnv.utils.InputValidator;
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21
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22 import java.util.ArrayList;
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23 import java.util.Collection;
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24 import java.util.Date;
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25 import java.util.GregorianCalendar;
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26 import java.util.Iterator;
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27 import java.util.List;
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29 import org.apache.log4j.Logger;
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30
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31 import org.w3c.dom.Document;
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32 import org.w3c.dom.Element;
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33 import org.w3c.dom.Node;
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34
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35 /**
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36 * This state handles input of a min and max value and validates the user input.
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37 * The min value needs to be equal or smaller than the max value, otherwise the
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38 * input results in an error.
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39 *
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40 * @author <a href="mailto:tim.englich@intevation.de">Tim Englich</a>
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41 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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42 */
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43 public class MinMaxState extends StateBase {
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44
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45 /**
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46 * the logger, used to log exceptions and additonaly information
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47 */
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48 private static Logger log = Logger.getLogger(MinMaxState.class);
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49
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50 /**
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51 * Constructor
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52 */
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53 public MinMaxState() {
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54 super();
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55 }
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56
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57 /**
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58 * The objects returned by the database are searched for two fields with
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59 * 'MIN' and 'MAX' as names. These objects are stored and used to be
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60 * displayed in the gui to give the user an orientation of the range he is
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61 * able to insert.
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62 */
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63 @Override
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64 protected List<Object> purifyResult(
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65 Collection<Result> result, String uuid)
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66 {
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67 List<Object> describeData = new ArrayList<Object>();
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68
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69 if (result != null && result.size() == 1) {
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70 Result value = result.iterator().next();
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71 DescribeData values = new DefaultMinMaxDescribeData(
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72 dataName,
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73 value.getObject("MIN"),
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74 value.getObject("MAX"),
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75 getID());
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76 describeData.add(values);
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77 } else {
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78 log.warn("Result cannot be handled as MinMax Resultset");
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79 }
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80
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81 return describeData;
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82 }
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83
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84
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85 @Override
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86 @SuppressWarnings("static-access")
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87 public Document feed(
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88 CallContext context,
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89 Collection<InputData> inputData,
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90 String uuid)
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91 throws StateException {
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92 RessourceFactory resFactory = RessourceFactory.getInstance();
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93
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94 if (inputData == null) {
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95 String msg = "No input data given.";
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96 log.warn(msg);
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97 return feedFailure(msg);
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98 }
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99
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100 InputValidator iv = new InputValidator();
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101 Iterator iter = inputData.iterator();
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102
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103 Object min = null;
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104 Object max = null;
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105
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106 while (iter.hasNext()) {
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107 InputData tmp = (InputData) iter.next();
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108 InputValue meta = inputValues.get(tmp.getName());
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109 String type = meta.getType();
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110 String value = tmp.getValue();
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111 String name = tmp.getName();
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112
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113 if (meta == null) {
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114 String msg = "Input data not expected here. Data will be ignored.";
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115 log.warn(msg);
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116 return feedFailure(msg);
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117 }
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118
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119 @SuppressWarnings("static-access")
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120 boolean valid = InputValidator.isInputValid(value, type);
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121 if (!valid) {
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122 String msg = "Input is not valid for this state.";
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123 log.error(msg);
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124 return feedFailure(msg);
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125 }
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126
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127 if (name.equals(MINVALUEFIELDNAME)) {
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128 min = value;
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129 }
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130
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131 if (name.equals(MAXVALUEFIELDNAME)) {
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132 max = value;
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133 }
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134
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135 if (min != null && max != null) {
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136 if (!InputValidator.isInputValid((String) min, (String) max, type)) {
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137 String msg = "Input is not valid for this state.";
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138 log.error(msg);
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139 return feedFailure(msg);
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140 }
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141 }
607
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142 }
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143
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144
607
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145
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146 DescribeData values = new DefaultMinMaxDescribeData(
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147 dataName, min, max, getID());
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148
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149 this.inputData.put(dataName, new DefaultInputData(dataName, values));
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150
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151 return feedSuccess();
607
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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 void appendToStaticNode(
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157 XMLUtils.ElementCreator artCreator,
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158 XMLUtils.ElementCreator creator,
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159 Document document,
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160 Node staticNode,
608
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161 CallMeta callMeta
607
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162 ) {
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163 InputData data = inputData.get(dataName);
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164
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165 if (data == null) {
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166 return;
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167 }
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168
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169 MinMaxDescribeData minMax = (MinMaxDescribeData) data.getObject();
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170
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171 Object min = minMax.getMinValue();
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172 Object max = minMax.getMaxValue();
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173 if (min instanceof GregorianCalendar) {
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174 Date d = ((GregorianCalendar) min).getTime();
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175 min = DateUtils.getPatternedDateAmer(d);
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176 }
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177
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178 if (max instanceof GregorianCalendar) {
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179 Date d = ((GregorianCalendar) max).getTime();
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180 max = DateUtils.getPatternedDateAmer(d);
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181 }
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182
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183 Element groupNode = creator.create("group");
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184 artCreator.addAttr(groupNode, "state", minMax.getState(), true);
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185
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186 creator.addAttr(groupNode, "ref", minMax.getName());
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187 Element groupNodeLableNode = creator.create("label");
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188 groupNodeLableNode.setTextContent(RessourceFactory
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189 .getInstance().getRessource(
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190 callMeta.getLanguages(),
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191 minMax.getName(),
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192 minMax.getName()));
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193 groupNode.appendChild(groupNodeLableNode);
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194
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195 Element inputMinNode = creator.create("input");
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196 creator.addAttr(inputMinNode, "ref", MINVALUEFIELDNAME);
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197 Element inputMinLableNode = creator.create("label");
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198 inputMinLableNode.setTextContent(RessourceFactory
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199 .getInstance().getRessource(
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200 callMeta.getLanguages(), MINVALUEFIELDNAME,
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201 MINVALUEFIELDNAME));
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202 inputMinNode.appendChild(inputMinLableNode);
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203
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204 Element inputMinValueNode = creator.create("value");
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205 inputMinValueNode.setTextContent(min.toString());
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206 inputMinNode.appendChild(inputMinValueNode);
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207
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208 Element inputMaxNode = creator.create("input");
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209 creator.addAttr(inputMaxNode, "ref", MAXVALUEFIELDNAME);
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210 Element inputMaxLableNode = creator.create("label");
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211 inputMaxLableNode.setTextContent(RessourceFactory
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212 .getInstance().getRessource(
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213 callMeta.getLanguages(), MAXVALUEFIELDNAME,
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diff changeset
214 MAXVALUEFIELDNAME));
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215 inputMaxNode.appendChild(inputMaxLableNode);
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216
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217 Element inputMaxValueNode = creator.create("value");
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218 inputMaxValueNode.setTextContent(max.toString());
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219 inputMaxNode.appendChild(inputMaxValueNode);
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220
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diff changeset
221 groupNode.appendChild(inputMinNode);
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diff changeset
222 groupNode.appendChild(inputMaxNode);
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223
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diff changeset
224 staticNode.appendChild(groupNode);
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225 }
335
e964a3d8f7bc Some Refactoring work done.
Tim Englich <tim.englich@intevation.de>
parents:
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226 }
796
a5526908f92f Added javadoc in state package.
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227 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org