Mercurial > dive4elements > river

annotate flys-client/src/main/java/de/intevation/flys/client/server/meta/Converter.java @ 3483:b21840188264

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Removed trailing whitespace. flys-client/trunk@5180 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Thu, 09 Aug 2012 08:05:51 +0000
parents 9b29facddbd1
children 823c8afa1335
rev   line source
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1 package de.intevation.flys.client.server.meta;
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2
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3 import org.w3c.dom.Document;
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4 import org.w3c.dom.Element;
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5 import org.w3c.dom.Node;
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6 import org.w3c.dom.NodeList;
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7 import org.w3c.dom.Attr;
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8 import org.w3c.dom.NamedNodeMap;
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9
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10 import org.apache.log4j.Logger;
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11
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12 import de.intevation.flys.client.shared.model.DataCageTree;
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13 import de.intevation.flys.client.shared.model.DataCageNode;
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14 import de.intevation.flys.client.shared.model.AttrList;
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15
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16 import java.util.ArrayList;
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17 import java.util.Map;
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18 import java.util.HashMap;
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19
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20 import de.intevation.artifacts.common.utils.XMLUtils;
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21
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22 /**
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23 * Converts document parts (meta-data xml) to datacagenodes/trees,
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24 * which are shown in datacage widgets.
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25 */
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26 public class Converter
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27 {
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28 private static final Logger logger = Logger.getLogger(Converter.class);
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30
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31 public interface NodeConverter
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32 {
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33 DataCageNode convert(Element node, Converter converter);
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34
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35 } // interface NodeConverter
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36
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37 public static class NameConverter implements NodeConverter {
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38 public DataCageNode convert(Element node, Converter converter) {
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39 //System.err.println("NameConverter called");
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40 DataCageNode out = new DataCageNode(
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41 node.getAttribute("name"),
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42 toAttrList(node.getAttributes()));
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43 converter.convertChildren(out, node);
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44 return out;
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45 }
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46 } // class NameConverter
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47
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48 public static class I18NConverter implements NodeConverter {
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49 public DataCageNode convert(Element node, Converter converter) {
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50 //System.err.println("I18NConverter called");
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51
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52 String name = node.getLocalName();
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53 String desc = node.hasAttribute("description")
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54 ? node.getAttribute("description")
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55 : "${" + name + "}";
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56
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57 DataCageNode out =
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58 new DataCageNode(name, desc, toAttrList(node.getAttributes()));
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59
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60 converter.convertChildren(out, node);
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61 return out;
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62 }
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63 } // I18NConverter
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64
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65 private static Map<String, NodeConverter> converters = new HashMap<String, NodeConverter>();
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66
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67 public static final NodeConverter NAME_CONVERTER = new NameConverter();
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68 public static final NodeConverter I18N_CONVERTER = new I18NConverter();
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70 static {
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71 converters.put("river", NAME_CONVERTER);
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72 converters.put("gauge", NAME_CONVERTER);
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73 converters.put("historical", NAME_CONVERTER);
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74 converters.put("column", NAME_CONVERTER);
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75 }
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76
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77
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78 /** Trivial constructor. */
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79 public Converter() {
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80 }
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81
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82
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83 public DataCageTree convert(Document document) {
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84 logger.debug("convert called");
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85 //System.err.println(XMLUtils.toString(document));
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86
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87 ArrayList<DataCageNode> roots = new ArrayList<DataCageNode>();
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88 NodeList nodes = document.getChildNodes();
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89 for (int i = 0, N = nodes.getLength(); i < N; ++i) {
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90 Node node = nodes.item(i);
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91 if (node.getNodeType() == Node.ELEMENT_NODE) {
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92 logger.debug("search for name: " + node.getLocalName());
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93 NodeConverter converter = converters.get(node.getLocalName());
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94 if (converter == null) {
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95 converter = I18N_CONVERTER;
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96 }
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97 roots.add(converter.convert((Element)node, this));
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98 }
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99 }
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100 return roots.isEmpty()
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101 ? new DataCageTree()
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102 : new DataCageTree(roots.get(0));
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103 }
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104
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105 protected void convertChildren(DataCageNode parent, Element sub) {
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106 //System.err.println("convertChildren called");
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107 NodeList children = sub.getChildNodes();
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108 for (int i = 0, N = children.getLength(); i < N; ++i) {
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109 Node child = children.item(i);
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110 if (child.getNodeType() == Node.ELEMENT_NODE) {
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111 String name = child.getLocalName();
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112 NodeConverter converter = converters.get(name);
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113 if (converter == null) {
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114 converter = I18N_CONVERTER;
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115 }
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116 DataCageNode son = converter.convert(
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117 (Element)child, this);
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118 parent.addChild(son);
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119
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120 if (((Element)child).hasAttribute("description"))
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121 logger.debug("nwd: " + ((Element)child).getAttribute("description"));
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122 }
9b29facddbd1 Show tooltips for datacage rows.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 3474
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123 } // for all children
9b29facddbd1 Show tooltips for datacage rows.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 3474
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124 }
9b29facddbd1 Show tooltips for datacage rows.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 3474
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125
3483
b21840188264 Removed trailing whitespace.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3475
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126
3474
4b8b9b2ac873 Doc added, uses static map in converter.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2905
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127 /**
4b8b9b2ac873 Doc added, uses static map in converter.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
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128 * Creates key/value pairs from Nodes Attributes.
4b8b9b2ac873 Doc added, uses static map in converter.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2905
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129 */
813
57ea5af8a967 Meta data service converter: transfer attributes to client, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 812
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130 public static AttrList toAttrList(NamedNodeMap nodeMap) {
57ea5af8a967 Meta data service converter: transfer attributes to client, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 812
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131 if (nodeMap == null) {
57ea5af8a967 Meta data service converter: transfer attributes to client, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 812
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132 return null;
57ea5af8a967 Meta data service converter: transfer attributes to client, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 812
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133 }
57ea5af8a967 Meta data service converter: transfer attributes to client, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 812
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134 int N = nodeMap.getLength();
57ea5af8a967 Meta data service converter: transfer attributes to client, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 812
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135
57ea5af8a967 Meta data service converter: transfer attributes to client, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 812
diff changeset
136 if (N == 0) {
57ea5af8a967 Meta data service converter: transfer attributes to client, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 812
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137 return null;
57ea5af8a967 Meta data service converter: transfer attributes to client, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 812
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138 }
57ea5af8a967 Meta data service converter: transfer attributes to client, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 812
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139
57ea5af8a967 Meta data service converter: transfer attributes to client, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 812
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140 AttrList result = new AttrList(N);
57ea5af8a967 Meta data service converter: transfer attributes to client, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 812
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141
57ea5af8a967 Meta data service converter: transfer attributes to client, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 812
diff changeset
142 for (int i = 0; i < N; ++i) {
57ea5af8a967 Meta data service converter: transfer attributes to client, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 812
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143 Node node = nodeMap.item(i);
57ea5af8a967 Meta data service converter: transfer attributes to client, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 812
diff changeset
144 if (node.getNodeType() == Node.ATTRIBUTE_NODE) {
822
ffb98b228b3c Add code to extract data to load from datacage tree.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 821
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145 Attr attr = (Attr)node;
813
57ea5af8a967 Meta data service converter: transfer attributes to client, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 812
diff changeset
146 String key = attr.getName();
57ea5af8a967 Meta data service converter: transfer attributes to client, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 812
diff changeset
147 String value = attr.getValue();
57ea5af8a967 Meta data service converter: transfer attributes to client, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 812
diff changeset
148 result.add(key, value);
57ea5af8a967 Meta data service converter: transfer attributes to client, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 812
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149 }
57ea5af8a967 Meta data service converter: transfer attributes to client, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 812
diff changeset
150 }
57ea5af8a967 Meta data service converter: transfer attributes to client, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 812
diff changeset
151
57ea5af8a967 Meta data service converter: transfer attributes to client, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 812
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152 return result;
57ea5af8a967 Meta data service converter: transfer attributes to client, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 812
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153 }
286
0fa8bf8a2295 Datacage: Better converter for incoming XML tree
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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154 }
0fa8bf8a2295 Datacage: Better converter for incoming XML tree
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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155 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org