Mercurial > dive4elements > river
annotate flys-client/src/main/java/de/intevation/flys/client/server/meta/Converter.java @ 822:ffb98b228b3c
Add code to extract data to load from datacage tree.
flys-client/trunk@2493 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
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date | Fri, 12 Aug 2011 15:51:51 +0000 |
parents | 56069d236afa |
children | 63b258bf365c |
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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 |
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11 import de.intevation.flys.client.shared.model.DataCageTree; |
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12 import de.intevation.flys.client.shared.model.DataCageNode; |
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13 import de.intevation.flys.client.shared.model.AttrList; |
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14 |
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15 import java.util.ArrayList; |
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16 import java.util.Map; |
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17 import java.util.HashMap; |
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18 |
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19 import de.intevation.artifacts.common.utils.XMLUtils; |
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20 |
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21 public class Converter |
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22 { |
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23 public interface NodeConverter |
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24 { |
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25 DataCageNode convert(Element node, Converter converter); |
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26 |
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27 } // interface NodeConverter |
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28 |
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29 public static class NameConverter implements NodeConverter { |
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30 public DataCageNode convert(Element node, Converter converter) { |
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31 //System.err.println("NameConverter called"); |
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32 DataCageNode out = new DataCageNode( |
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33 node.getAttribute("name"), |
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34 toAttrList(node.getAttributes())); |
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35 converter.convertChildren(out, node); |
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36 return out; |
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37 } |
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38 } // class NameConverter |
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39 |
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40 public static class I18NConverter implements NodeConverter { |
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41 public DataCageNode convert(Element node, Converter converter) { |
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42 //System.err.println("I18NConverter called"); |
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43 String name = node.hasAttribute("description") |
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44 ? node.getAttribute("description") |
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45 : "${" + node.getLocalName() + "}"; |
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46 DataCageNode out = |
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47 new DataCageNode(name, toAttrList(node.getAttributes())); |
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48 converter.convertChildren(out, node); |
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49 return out; |
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50 } |
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51 } // I18NConverter |
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52 |
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53 protected Map<String, NodeConverter> converters; |
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54 |
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55 protected void convertChildren(DataCageNode parent, Element sub) { |
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56 //System.err.println("convertChildren called"); |
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57 NodeList children = sub.getChildNodes(); |
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58 for (int i = 0, N = children.getLength(); i < N; ++i) { |
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59 Node child = children.item(i); |
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60 if (child.getNodeType() == Node.ELEMENT_NODE) { |
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61 String name = child.getLocalName(); |
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62 NodeConverter converter = converters.get(name); |
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63 if (converter == null) { |
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64 converter = I18N_CONVERTER; |
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65 } |
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66 DataCageNode son = converter.convert( |
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67 (Element)child, this); |
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68 parent.addChild(son); |
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69 } |
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70 } // for all children |
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71 } |
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72 |
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73 public Converter() { |
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74 converters = new HashMap<String, NodeConverter>(); |
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75 registerConverters(); |
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76 } |
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77 |
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78 public static final NodeConverter NAME_CONVERTER = new NameConverter(); |
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79 public static final NodeConverter I18N_CONVERTER = new I18NConverter(); |
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80 |
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81 protected void registerConverters() { |
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82 System.err.println("register converters called"); |
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83 converters.put("river", NAME_CONVERTER); |
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84 converters.put("gauge", NAME_CONVERTER); |
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85 converters.put("historical", NAME_CONVERTER); |
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86 converters.put("column", NAME_CONVERTER); |
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87 } |
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88 |
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89 public DataCageTree convert(Document document) { |
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90 System.err.println("convert called"); |
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91 //System.err.println(XMLUtils.toString(document)); |
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92 |
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93 ArrayList<DataCageNode> roots = new ArrayList<DataCageNode>(); |
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94 NodeList nodes = document.getChildNodes(); |
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95 for (int i = 0, N = nodes.getLength(); i < N; ++i) { |
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96 Node node = nodes.item(i); |
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97 if (node.getNodeType() == Node.ELEMENT_NODE) { |
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98 System.err.println("search for name: " + node.getLocalName()); |
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99 NodeConverter converter = converters.get(node.getLocalName()); |
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100 if (converter == null) { |
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101 converter = I18N_CONVERTER; |
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102 } |
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103 roots.add(converter.convert((Element)node, this)); |
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104 } |
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105 } |
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106 return roots.isEmpty() |
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107 ? new DataCageTree() |
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108 : new DataCageTree(roots.get(0)); |
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109 } |
813
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Meta data service converter: transfer attributes to client, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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110 |
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Meta data service converter: transfer attributes to client, too.
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111 public static AttrList toAttrList(NamedNodeMap nodeMap) { |
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112 if (nodeMap == null) { |
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Meta data service converter: transfer attributes to client, too.
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113 return null; |
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Meta data service converter: transfer attributes to client, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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114 } |
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Meta data service converter: transfer attributes to client, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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115 int N = nodeMap.getLength(); |
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Meta data service converter: transfer attributes to client, too.
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116 |
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Meta data service converter: transfer attributes to client, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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117 if (N == 0) { |
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Meta data service converter: transfer attributes to client, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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118 return null; |
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Meta data service converter: transfer attributes to client, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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119 } |
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Meta data service converter: transfer attributes to client, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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120 |
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Meta data service converter: transfer attributes to client, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
812
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121 AttrList result = new AttrList(N); |
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parents:
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122 |
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Meta data service converter: transfer attributes to client, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
812
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123 for (int i = 0; i < N; ++i) { |
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Meta data service converter: transfer attributes to client, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
812
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124 Node node = nodeMap.item(i); |
57ea5af8a967
Meta data service converter: transfer attributes to client, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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125 if (node.getNodeType() == Node.ATTRIBUTE_NODE) { |
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Add code to extract data to load from datacage tree.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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126 Attr attr = (Attr)node; |
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Meta data service converter: transfer attributes to client, too.
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parents:
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127 String key = attr.getName(); |
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parents:
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128 String value = attr.getValue(); |
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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129 result.add(key, value); |
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130 } |
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Meta data service converter: transfer attributes to client, too.
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parents:
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131 } |
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parents:
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132 |
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parents:
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133 return result; |
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parents:
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134 } |
286
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Datacage: Better converter for incoming XML tree
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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135 } |
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Datacage: Better converter for incoming XML tree
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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136 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |