Mercurial > dive4elements > river

annotate flys-client/src/main/java/de/intevation/flys/client/server/meta/Converter.java @ 812:70b728a9f4e8

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Meta data service: Create correct request document now. flys-client/trunk@2468 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Mon, 08 Aug 2011 14:49:14 +0000
parents 2e02db03e576
children 57ea5af8a967
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
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8 import de.intevation.flys.client.shared.model.DataCageTree;
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9 import de.intevation.flys.client.shared.model.DataCageNode;
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10
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11 import java.util.ArrayList;
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12 import java.util.Map;
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13 import java.util.HashMap;
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14
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15 import de.intevation.artifacts.common.utils.XMLUtils;
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16
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17 public class Converter
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18 {
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19 public interface NodeConverter
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20 {
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21 DataCageNode convert(Element node, Converter converter);
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22
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23 } // interface NodeConverter
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24
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25 public static class NameConverter implements NodeConverter {
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26 public DataCageNode convert(Element node, Converter converter) {
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27 System.err.println("NameConverter called");
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28 DataCageNode out = new DataCageNode(node.getAttribute("name"));
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29 converter.convertChildren(out, node);
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30 return out;
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31 }
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32 } // class NameConverter
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33
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34 public static class I18NConverter implements NodeConverter {
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35 public DataCageNode convert(Element node, Converter converter) {
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36 System.err.println("I18NConverter called");
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37 DataCageNode out =
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38 new DataCageNode("${" + node.getLocalName() + "}");
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39 converter.convertChildren(out, node);
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40 return out;
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41 }
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42 } // I18NConverter
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43
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44 protected Map<String, NodeConverter> converters;
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45
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46 protected void convertChildren(DataCageNode parent, Element sub) {
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47 System.err.println("convertChildren called");
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48 NodeList children = sub.getChildNodes();
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49 for (int i = 0, N = children.getLength(); i < N; ++i) {
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50 Node child = children.item(i);
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51 if (child.getNodeType() == Node.ELEMENT_NODE) {
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52 String name = child.getLocalName();
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53 NodeConverter converter = converters.get(name);
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54 if (converter == null) {
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55 converter = I18N_CONVERTER;
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56 }
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57 DataCageNode son = converter.convert(
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58 (Element)child, this);
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59 parent.addChild(son);
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60 }
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61 } // for all children
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62 }
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63
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64 public Converter() {
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65 converters = new HashMap<String, NodeConverter>();
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66 registerConverters();
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67 }
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68
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69 public static final NodeConverter NAME_CONVERTER = new NameConverter();
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70 public static final NodeConverter I18N_CONVERTER = new I18NConverter();
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71
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72 protected void registerConverters() {
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73 System.err.println("register converters called");
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74 converters.put("datacage", NAME_CONVERTER);
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75 converters.put("river", NAME_CONVERTER);
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76 converters.put("gauge", NAME_CONVERTER);
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77 converters.put("historical", NAME_CONVERTER);
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78 converters.put("column", NAME_CONVERTER);
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79 }
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80
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81 public DataCageTree convert(Document document) {
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82 System.err.println("convert called");
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83 //System.err.println(XMLUtils.toString(document));
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84
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85 ArrayList<DataCageNode> roots = new ArrayList<DataCageNode>();
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86 NodeList nodes = document.getChildNodes();
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87 for (int i = 0, N = nodes.getLength(); i < N; ++i) {
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88 Node node = nodes.item(i);
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89 if (node.getNodeType() == Node.ELEMENT_NODE) {
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90 System.err.println("search for name: " + node.getLocalName());
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91 NodeConverter converter = converters.get(node.getLocalName());
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92 if (converter == null) {
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93 converter = I18N_CONVERTER;
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94 }
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95 roots.add(converter.convert((Element)node, this));
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96 }
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97 }
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98 return roots.isEmpty()
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99 ? new DataCageTree()
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100 : new DataCageTree(roots.get(0));
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101 }
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102 }
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103 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org