Mercurial > dive4elements > river

annotate gwt-client/src/main/java/org/dive4elements/river/client/server/DataFactory.java @ 8203:238fc722f87a

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sed 's/logger/log/g' src/**/*.java
author Sascha L. Teichmann <teichmann@intevation.de>
date Fri, 05 Sep 2014 13:19:22 +0200
parents 6e6506ec0ae0
children 5e38e2924c07
rev   line source
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1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
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2 * Software engineering by Intevation GmbH
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3 *
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4 * This file is Free Software under the GNU AGPL (>=v3)
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5 * and comes with ABSOLUTELY NO WARRANTY! Check out the
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6 * documentation coming with Dive4Elements River for details.
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7 */
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8
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9 package org.dive4elements.river.client.server;
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10
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11 import java.util.Collections;
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12 import java.util.HashMap;
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13 import java.util.Map;
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14
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15 import javax.xml.xpath.XPathConstants;
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16
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17 import org.w3c.dom.Attr;
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18 import org.w3c.dom.Element;
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19 import org.w3c.dom.NamedNodeMap;
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20 import org.w3c.dom.Node;
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21 import org.w3c.dom.NodeList;
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22 import org.apache.log4j.Logger;
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23 import org.dive4elements.artifacts.common.ArtifactNamespaceContext;
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24 import org.dive4elements.artifacts.common.utils.XMLUtils;
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25 import org.dive4elements.river.client.shared.model.Data;
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26 import org.dive4elements.river.client.shared.model.DataItem;
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27 import org.dive4elements.river.client.shared.model.DefaultData;
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28 import org.dive4elements.river.client.shared.model.DefaultDataItem;
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29 import org.dive4elements.river.client.shared.model.DoubleArrayData;
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30 import org.dive4elements.river.client.shared.model.IntegerArrayData;
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31 import org.dive4elements.river.client.shared.model.IntegerData;
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32 import org.dive4elements.river.client.shared.model.IntegerOptionsData;
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33 import org.dive4elements.river.client.shared.model.IntegerRangeData;
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34 import org.dive4elements.river.client.shared.model.MultiAttributeData;
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35 import org.dive4elements.river.client.shared.model.MultiDataItem;
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36 import org.dive4elements.river.client.shared.model.StringData;
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37 import org.dive4elements.river.client.shared.model.StringOptionsData;
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38 import org.dive4elements.river.client.shared.model.LongRangeData;
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39 import org.dive4elements.river.client.shared.model.IntDataItem;
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40
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41 /**
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42 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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43 */
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44 public class DataFactory {
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45
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46 private static final Logger log = Logger.getLogger(DataFactory.class);
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47
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48 public static final String NS_URI = ArtifactNamespaceContext.NAMESPACE_URI;
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49
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50
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51 /**
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52 * Creates a new Data instance based on the <i>art:type</i> attribute of
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53 * <i>element</i>.
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54 *
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55 * @param element The Data element.
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56 *
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57 * @return a Data instance.
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58 */
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59 public static Data createDataFromElement(Element element) {
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60 String name = element.getAttributeNS(NS_URI, "name");
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61 String type = element.getAttributeNS(NS_URI, "type");
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62 String label = element.getAttributeNS(NS_URI, "label");
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63
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64 label = label != null && label.length() > 0 ? label : name;
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65
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66 try {
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67 log.debug("Create Data instance for: " + name + " | " + type);
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68
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69 if (type == null || type.length() == 0) {
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70 return createDefaultData(element, name, label);
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71 }
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72
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73 type = type.toLowerCase();
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74
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75 if (type.equals(StringData.TYPE)) {
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76 return createStringData(element, name, label);
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77 }
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78 else if (type.equals(IntegerData.TYPE)) {
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79 return createIntegerData(element, name, label);
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80 }
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81 else if (type.equals(StringOptionsData.TYPE)) {
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82 return createStringOptionsData(element, name, label);
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83 }
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84 else if (type.equals(IntegerOptionsData.TYPE)) {
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85 return createIntegerOptionsData(element, name, label);
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86 }
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87 else if (type.equals(IntegerRangeData.TYPE)) {
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88 return createIntegerRangeData(element, name, label);
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89 }
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90 else if (type.equals(IntegerArrayData.TYPE)) {
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91 return createIntegerArrayData(element, name, label);
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92 }
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93 else if (type.equals(DoubleArrayData.TYPE)) {
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94 return createDoubleArrayData(element, name, label);
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95 }
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96 else if (type.equals(LongRangeData.TYPE)) {
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97 return createLongRangeData(element, name, label);
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98 }
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99 else if (type.equals(MultiAttributeData.TYPE)) {
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100 return createMultiAttributeData(element, name, label);
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101 }
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102 else {
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103 return createDefaultData(element, name, label);
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104 }
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105 }
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106 catch (Exception e) {
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107 log.error("Error while data creation for: " + name);
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108 }
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109
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110 return null;
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111 }
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112
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113
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114 public static Data createMultiAttributeData(
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115 Element element,
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116 String name,
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117 String label) {
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118 return new MultiAttributeData(
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119 name,
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120 label,
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121 extractMultiDataItems(element),
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122 extractMeta(element));
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123 }
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124
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125
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126 private static Map<String, Map<String, String>> extractMeta(Element element) {
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127 NodeList nl = element.getElementsByTagName("meta");
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128 int N = nl.getLength();
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129 if (N < 1) {
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130 log.debug("No meta data found for multi attribute data");
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131 return Collections.<String, Map<String, String>>emptyMap();
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132 }
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133 Map<String, Map<String, String>> map =
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134 new HashMap<String, Map<String, String>>();
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135
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136 for (int i = 0; i < N; ++i) {
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137 Element e = (Element)nl.item(i);
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138 NamedNodeMap attrs = e.getAttributes();
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139 Map<String, String> kvs = new HashMap<String, String>();
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140 for (int j = 0, A = attrs.getLength(); j < A; ++j) {
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141 Attr attr = (Attr)attrs.item(j);
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142 kvs.put(attr.getName(), attr.getValue());
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143 }
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144 map.put(e.getTagName(), kvs);
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145 }
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146
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147 return map;
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148 }
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149
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150
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151 protected static DataItem[] extractMultiDataItems(Element element) {
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152 NodeList itemList = (NodeList) XMLUtils.xpath(
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153 element,
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154 "art:item",
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155 XPathConstants.NODESET,
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156 ArtifactNamespaceContext.INSTANCE);
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157
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158 if (itemList == null || itemList.getLength() == 0) {
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159 log.debug("No old data items found.");
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160 return null;
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161 }
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162
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163 int count = itemList.getLength();
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164
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165 MultiDataItem[] items = new MultiDataItem[count];
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166
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167 for (int i = 0; i < count; i++) {
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168 Element tmp = (Element) itemList.item(i);
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169
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170 HashMap<String, String> data = new HashMap<String, String>();
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171 String label = tmp.getAttributeNS(NS_URI, "label");
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172 NamedNodeMap attributes = tmp.getAttributes();
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173 for (int j = 0, L = attributes.getLength(); j < L; j++) {
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174 Node n = attributes.item(j);
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175 if (n.getNodeName().equals("label")) {
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176 continue;
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177 }
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178 data.put(n.getNodeName(), n.getNodeValue());
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179 }
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180 items[i] = new MultiDataItem(label, label, data);
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181 }
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182 return items;
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183 }
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184
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185
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186 /**
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187 * This method creates a new instance of DefaultData which has no real type
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188 * set.
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189 *
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190 * @param ele The Data element.
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191 * @param name The name of the Data instance.
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192 *
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193 * @return an instance of DefaultData.
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194 */
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195 protected static Data createDefaultData(Element ele, String name, String label) {
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196 log.debug("Create new DefaultData");
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197 return new DefaultData(name, label, "default", extractDataItems(ele));
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198 }
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199
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200
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201 /**
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202 * This method creates a new instance of StringData which has a type
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203 * "string" set.
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204 *
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205 * @param ele The Data element.
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206 * @param name The name of the Data instance.
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207 *
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208 * @return an instance of StringData.
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209 */
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210 protected static Data createStringData(Element ele, String name, String label) {
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211 return new StringData(name, label, extractDataItems(ele));
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212 }
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213
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214
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215 /**
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216 * This method creates a new instance of DefaultData which has a type
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217 * "integer" set.
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218 *
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219 * @param ele The Data element.
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220 * @param name The name of the Data instance.
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221 *
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222 * @return an instance of IntegerData.
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223 */
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224 protected static Data createIntegerData(Element ele, String name, String label) {
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225 return new IntegerData(name, label, extractDataItems(ele));
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226 }
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227
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228
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229 /**
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230 * This method creates a new instance of StringOptionsData which has a type
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231 * "options" set.
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232 *
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233 * @param ele The Data element.
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234 * @param name The name of the Data instance.
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235 *
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236 * @return an instance of StringOptionsData.
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237 */
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238 protected static Data createStringOptionsData(Element ele, String name, String label) {
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239 return new StringOptionsData(name, label, extractDataItems(ele));
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240 }
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241
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242
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243 /**
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244 * This method creates a new instance of DefaultData which has a type
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245 * "intoptions" set.
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246 *
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247 * @param ele The Data element.
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248 * @param name The name of the Data instance.
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249 *
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250 * @return an instance of IntegerOptionsData.
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251 */
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252 protected static Data createIntegerOptionsData(Element ele, String name, String label) {
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253 return new IntegerOptionsData(name, label, extractDataItems(ele));
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254 }
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255
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256
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257 /**
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258 * This method creates a new instance of DefaultData which has a type
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259 * "intrange" set.
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260 *
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261 * @param ele The Data element.
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262 * @param name The name of the Data instance.
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263 *
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264 * @return an instance of IntegerRangeData.
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265 */
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266 protected static Data createIntegerRangeData(Element ele, String name, String label) {
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267 DataItem[] items = extractDataItems(ele);
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268 String rawValue = items[0].getStringValue();
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269
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270 String[] minmax = rawValue.split(";");
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271
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272 return new IntegerRangeData(
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273 name,
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274 label,
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275 Integer.valueOf(minmax[0]),
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276 Integer.valueOf(minmax[1]));
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277 }
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278
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279
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280 /**
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281 * This method creates a new instance of DefaultData which has a type
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282 * "integerarray" set.
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283 *
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284 * @param ele The Data element.
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285 * @param name The name of the Data instance.
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286 *
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287 * @return an instance of IntegerArrayData.
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288 */
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289 protected static Data createIntegerArrayData(Element ele, String name, String label) {
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290 IntDataItem[] items = extractIntDataItems(ele);
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291 return new IntegerArrayData(name, label, items);
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292 }
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293
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294
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295 /**
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296 * This method creates a new instance of DefaultData which has a type
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297 * "doublearray" set.
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298 *
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299 * @param ele The Data element.
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300 * @param name The name of the Data instance.
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301 *
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302 * @return an instance of DoubleArrayData.
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303 */
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304 protected static Data createDoubleArrayData(Element ele, String name, String label) {
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305 DataItem[] items = extractDataItems(ele);
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306 String rawValue = items[0].getStringValue();
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307
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308 String[] values = rawValue.split(";");
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309 double[] doubles = new double[values.length];
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310
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311 for (int i = 0; i < values.length; i++) {
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312 try {
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313 doubles[i] = Double.valueOf(values[i]);
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314 }
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315 catch (NumberFormatException nfe) {
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316 log.warn("Error while parsing DoubleArrayData: " + nfe);
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317 }
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318 }
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319
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320 return new DoubleArrayData(name, label, doubles);
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321 }
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322
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323
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324 /**
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325 * This method extracts the art:item elements placed under <i>elements</i>.
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326 *
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327 * @param element A data node that contains items.
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328 *
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329 * @return a list of DataItems.
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330 */
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331 protected static DataItem[] extractDataItems(Element element) {
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332 NodeList itemList = (NodeList) XMLUtils.xpath(
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333 element,
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334 "art:item",
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335 XPathConstants.NODESET,
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336 ArtifactNamespaceContext.INSTANCE);
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337
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338 if (itemList == null || itemList.getLength() == 0) {
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339 log.debug("No data items found.");
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340 return null;
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341 }
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342
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343 int count = itemList.getLength();
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344
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345 DataItem[] items = new DataItem[count];
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346
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347 log.debug("There are " + count + " data items in element.");
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348
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349 for (int i = 0; i < count; i++) {
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350 Element tmp = (Element) itemList.item(i);
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351
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352 String value = tmp.getAttributeNS(NS_URI, "value");
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353 String label = tmp.getAttributeNS(NS_URI, "label");
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354
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355 log.debug("Found data item:");
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356 log.debug(" label: " + label);
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357 log.debug(" value: " + value);
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358
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359 items[i] = new DefaultDataItem(label, label, value);
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360 }
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361
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362 return items;
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363 }
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364
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365
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366 /**
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367 * This method extracts the art:item elements placed under <i>elements</i>.
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368 *
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369 * @param element A data node that contains items.
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370 *
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371 * @return a list of DataItems.
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372 */
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373 protected static IntDataItem[] extractIntDataItems(Element element) {
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374 NodeList itemList = (NodeList) XMLUtils.xpath(
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375 element,
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376 "art:item",
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Raimund Renkert <raimund.renkert@intevation.de>
parents: 2532
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377 XPathConstants.NODESET,
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Raimund Renkert <raimund.renkert@intevation.de>
parents: 2532
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378 ArtifactNamespaceContext.INSTANCE);
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Raimund Renkert <raimund.renkert@intevation.de>
parents: 2532
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379
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Raimund Renkert <raimund.renkert@intevation.de>
parents: 2532
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380 if (itemList == null || itemList.getLength() == 0) {
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Sascha L. Teichmann <teichmann@intevation.de>
parents: 8071
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381 log.debug("No old data items found.");
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382 return null;
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Raimund Renkert <raimund.renkert@intevation.de>
parents: 2532
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383 }
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Raimund Renkert <raimund.renkert@intevation.de>
parents: 2532
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384
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Raimund Renkert <raimund.renkert@intevation.de>
parents: 2532
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385 int count = itemList.getLength();
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Raimund Renkert <raimund.renkert@intevation.de>
parents: 2532
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386
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Raimund Renkert <raimund.renkert@intevation.de>
parents: 2532
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387 IntDataItem[] items = new IntDataItem[count];
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Raimund Renkert <raimund.renkert@intevation.de>
parents: 2532
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388
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Raimund Renkert <raimund.renkert@intevation.de>
parents: 2532
diff changeset
389 for (int i = 0; i < count; i++) {
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Raimund Renkert <raimund.renkert@intevation.de>
parents: 2532
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390 Element tmp = (Element) itemList.item(i);
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Raimund Renkert <raimund.renkert@intevation.de>
parents: 2532
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391
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Raimund Renkert <raimund.renkert@intevation.de>
parents: 2532
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392 String value = tmp.getAttributeNS(NS_URI, "value");
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Raimund Renkert <raimund.renkert@intevation.de>
parents: 2532
diff changeset
393 String label = tmp.getAttributeNS(NS_URI, "label");
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Raimund Renkert <raimund.renkert@intevation.de>
parents: 2532
diff changeset
394
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Raimund Renkert <raimund.renkert@intevation.de>
parents: 2532
diff changeset
395 try {
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Raimund Renkert <raimund.renkert@intevation.de>
parents: 2532
diff changeset
396 int data = Integer.parseInt(value);
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Raimund Renkert <raimund.renkert@intevation.de>
parents: 2532
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397 items[i] = new IntDataItem(label, label, data);
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Raimund Renkert <raimund.renkert@intevation.de>
parents: 2532
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398 }
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Raimund Renkert <raimund.renkert@intevation.de>
parents: 2532
diff changeset
399 catch(NumberFormatException nfe) {
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Sascha L. Teichmann <teichmann@intevation.de>
parents: 8071
diff changeset
400 log.debug(nfe, nfe);
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Raimund Renkert <raimund.renkert@intevation.de>
parents: 2532
diff changeset
401 }
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Raimund Renkert <raimund.renkert@intevation.de>
parents: 2532
diff changeset
402 }
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Raimund Renkert <raimund.renkert@intevation.de>
parents: 2532
diff changeset
403 return items;
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Raimund Renkert <raimund.renkert@intevation.de>
parents: 2532
diff changeset
404 }
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Raimund Renkert <raimund.renkert@intevation.de>
parents: 2532
diff changeset
405
d0a9acddbea2 Added an int data item used in int array data and added getter that returns
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2532
diff changeset
406 /**
2468
6a65694bdcc2 Issue 506.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 1595
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407 * This method creates a new instance of LongRangeData which has a type
6a65694bdcc2 Issue 506.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 1595
diff changeset
408 * "longrange" set.
6a65694bdcc2 Issue 506.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 1595
diff changeset
409 *
6a65694bdcc2 Issue 506.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 1595
diff changeset
410 * @param ele The Data element.
6a65694bdcc2 Issue 506.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 1595
diff changeset
411 * @param name The name of the Data instance.
6a65694bdcc2 Issue 506.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 1595
diff changeset
412 *
6a65694bdcc2 Issue 506.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 1595
diff changeset
413 * @return an instance of IntegerRangeData.
6a65694bdcc2 Issue 506.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 1595
diff changeset
414 */
2528
33e2a1e23ae8 Implemented ParameterMatrixPanel.createOld() and added a real 'description' to Data instances in DataFactory.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2468
diff changeset
415 protected static Data createLongRangeData(Element ele, String name, String label) {
2468
6a65694bdcc2 Issue 506.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 1595
diff changeset
416 DataItem[] items = extractDataItems(ele);
6a65694bdcc2 Issue 506.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 1595
diff changeset
417 String rawValue = items[0].getStringValue();
6a65694bdcc2 Issue 506.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 1595
diff changeset
418
6a65694bdcc2 Issue 506.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 1595
diff changeset
419 String[] minmax = rawValue.split(";");
6a65694bdcc2 Issue 506.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 1595
diff changeset
420
6a65694bdcc2 Issue 506.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 1595
diff changeset
421 return new LongRangeData(
6a65694bdcc2 Issue 506.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 1595
diff changeset
422 name,
2528
33e2a1e23ae8 Implemented ParameterMatrixPanel.createOld() and added a real 'description' to Data instances in DataFactory.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2468
diff changeset
423 label,
2468
6a65694bdcc2 Issue 506.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 1595
diff changeset
424 Long.valueOf(minmax[0]),
6a65694bdcc2 Issue 506.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 1595
diff changeset
425 Long.valueOf(minmax[1]));
6a65694bdcc2 Issue 506.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 1595
diff changeset
426 }
6a65694bdcc2 Issue 506.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 1595
diff changeset
427
1571
1227878665b5 Introduced a DataFactory that should be used to create new Data instances.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
428 }
1227878665b5 Introduced a DataFactory that should be used to create new Data instances.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
429 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org