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1 /** Copyright (C) 2017 by Bundesanstalt für Gewässerkunde |
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2 * Software engineering by |
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3 * Björnsen Beratende Ingenieure GmbH |
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4 * Dr. Schumacher Ingenieurbüro für Wasser und Umwelt |
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5 * |
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6 * This file is Free Software under the GNU AGPL (>=v3) |
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7 * and comes with ABSOLUTELY NO WARRANTY! Check out the |
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8 * documentation coming with Dive4Elements River for details. |
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9 */ |
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10 package org.dive4elements.river.client.client.ui; |
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11 |
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12 import java.util.ArrayList; |
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13 import java.util.List; |
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14 import java.util.Map; |
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15 import java.util.Map.Entry; |
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16 import java.util.SortedMap; |
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17 import java.util.TreeMap; |
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18 |
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19 import org.dive4elements.river.client.client.FLYSConstants; |
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20 import org.dive4elements.river.client.shared.model.Data; |
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21 import org.dive4elements.river.client.shared.model.DataItem; |
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22 import org.dive4elements.river.client.shared.model.DataList; |
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23 import org.dive4elements.river.client.shared.model.MultiAttributeData; |
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24 import org.dive4elements.river.client.shared.model.MultiDataItem; |
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25 |
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26 import com.google.gwt.core.client.GWT; |
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27 import com.smartgwt.client.data.Record; |
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28 import com.smartgwt.client.types.Alignment; |
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29 import com.smartgwt.client.types.ListGridFieldType; |
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30 import com.smartgwt.client.widgets.Canvas; |
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31 import com.smartgwt.client.widgets.grid.ListGrid; |
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32 import com.smartgwt.client.widgets.grid.ListGridField; |
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33 import com.smartgwt.client.widgets.grid.events.RecordClickEvent; |
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34 import com.smartgwt.client.widgets.grid.events.RecordClickHandler; |
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35 |
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36 /** |
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37 * @author Domenico Nardi Tironi |
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38 * |
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39 */ |
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40 public class TableHelper { |
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41 |
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42 public interface IColumnClickHandler { |
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43 void columnClicked(String value); |
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44 } |
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45 |
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46 private enum PinType { |
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47 none, from, to |
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48 } |
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49 |
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50 private final ListGrid table; |
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51 private final DataList dataList; |
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52 final FLYSConstants flys; |
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53 private final List<String> keyColEntries = new ArrayList<String>(); |
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54 |
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55 public TableHelper(final DataList dataList, final String definitionStr, final FLYSConstants flys, final IColumnClickHandler fromHandler) { |
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56 this.flys = flys; |
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57 this.dataList = dataList; |
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58 this.table = new ListGrid(); |
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59 this.table.setShowHeaderContextMenu(false); |
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60 this.table.setWidth100(); |
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61 this.table.setShowRecordComponents(true); |
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62 this.table.setShowRecordComponentsByCell(true); |
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63 this.table.setHeight100(); |
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64 this.table.setEmptyMessage(flys.empty_table()); |
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65 this.table.setCanReorderFields(false); |
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66 |
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67 final MultiAttributeData mData = findDefinition(definitionStr); |
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68 final Map<String, Map<String, String>> meta = mData.getMeta(); |
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69 |
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70 final Map<String, String> tableInfo = meta.get("meta_tableinfo"); |
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71 final String keyColumnName = tableInfo.get("keycol"); |
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72 |
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73 final SortedMap<Integer, ListGridField> fields = new TreeMap<Integer, ListGridField>(); |
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74 |
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75 for (final Entry<String, Map<String, String>> entry : meta.entrySet()) { |
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76 |
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77 final String colName = entry.getKey(); |
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78 if (colName.startsWith("meta_")) |
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79 continue; |
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80 |
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81 final Map<String, String> values = entry.getValue(); |
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82 |
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83 final int order = Integer.parseInt(values.get("order")); |
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84 |
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85 final ListGridField field = createField(colName, keyColumnName, values, fromHandler); |
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86 |
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87 fields.put(order, field); |
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88 } |
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89 |
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90 for (final DataItem dataItem : mData.opts) { |
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91 final MultiDataItem item = (MultiDataItem) dataItem; |
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92 |
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93 final Map<String, String> valueMap = item.getValue(); |
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94 // final String columnName = mData.getLabel(); |
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95 final Record newRecord = new Record(); |
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96 for (final Entry<String, String> entry : valueMap.entrySet()) { |
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97 final String key = entry.getKey(); |
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98 final String value = entry.getValue(); |
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99 newRecord.setAttribute(key, value); |
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100 |
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101 if (key.equals(keyColumnName)) |
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102 this.keyColEntries.add(value); |
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103 } |
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104 |
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105 this.table.addData(newRecord); |
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106 } |
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107 |
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108 this.table.setFields(fields.values().toArray(new ListGridField[fields.size()])); |
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109 |
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110 } |
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111 |
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112 public Canvas getTable() { |
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113 return this.table; |
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114 } |
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115 |
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116 private MultiAttributeData findDefinition(final String paranemterName) { |
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117 |
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118 for (final Data data : this.dataList.getAll()) { |
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119 |
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120 final String label = data.getLabel(); |
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121 if (label.equals(paranemterName) && data instanceof MultiAttributeData) |
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122 return (MultiAttributeData) data; |
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123 } |
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124 |
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125 return null; |
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126 } |
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127 |
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128 private ListGridField createField(final String colName, final String keyColumnName, final Map<String, String> values, |
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129 final IColumnClickHandler fromHandler) { |
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130 |
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131 final String translation = getMeta(values, "translation", colName); |
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132 |
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133 final ListGridField field = new ListGridField(colName, translation); |
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134 |
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135 final String width = getMeta(values, "width", "99"); |
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136 field.setWidth(width); |
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137 |
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138 final ListGridFieldType type = getMeta(values, "type", ListGridFieldType.TEXT, ListGridFieldType.class); |
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139 field.setType(type); |
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140 |
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141 final Alignment alignment = getMeta(values, "alignment", Alignment.LEFT, Alignment.class); |
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142 field.setAlign(alignment); |
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143 |
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144 final PinType pinType = getMeta(values, "pin", PinType.none, PinType.class); |
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145 switch (pinType) { |
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146 case from: { |
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147 final String baseUrl = GWT.getHostPageBaseURL(); |
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148 field.setCellIcon(baseUrl + this.flys.markerGreen()); |
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149 field.addRecordClickHandler(new RecordClickHandler() { |
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150 @Override |
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151 public void onRecordClick(final RecordClickEvent e) { |
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152 final Record r = e.getRecord(); |
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153 fromHandler.columnClicked(r.getAttribute(keyColumnName)); |
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154 } |
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155 }); |
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156 } |
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157 break; |
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158 |
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159 case to: |
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160 break; |
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161 |
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162 case none: |
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163 default: |
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164 break; |
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165 } |
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166 |
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167 return field; |
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168 } |
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169 |
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170 private String getMeta(final Map<String, String> values, final String key, final String defaultValue) { |
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171 |
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172 final String value = values.get(key); |
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173 if (value == null || value.isEmpty()) |
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174 return defaultValue; |
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175 |
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176 return value; |
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177 } |
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178 |
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179 private <TYPE extends Enum<TYPE>> TYPE getMeta(final Map<String, String> values, final String key, final TYPE defaultValue, final Class<TYPE> enumType) { |
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180 |
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181 final String value = values.get(key); |
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182 if (value == null || value.isEmpty()) |
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183 return defaultValue; |
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184 |
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185 try { |
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186 return Enum.valueOf(enumType, value); |
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187 } |
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188 catch (final Exception e) { |
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189 e.printStackTrace(); |
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190 return defaultValue; |
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191 } |
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192 } |
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193 |
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194 public List<String> getKeycolEntries() { |
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195 |
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196 return this.keyColEntries; |
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197 } |
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198 |
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199 } |
