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annotate flys-artifacts/src/main/java/de/intevation/flys/collections/AttributeParser.java @ 1989:156304542edf

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Finished the ChartSection part of the chart Settings returned by the XYChartGenerator. flys-artifacts/trunk@3423 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Thu, 15 Dec 2011 12:05:06 +0000
parents 0b466bd4ab24
children 3e703d134bbe
rev   line source
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1 package de.intevation.flys.collections;
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3 import java.util.List;
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4 import java.util.Map;
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5
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6 import javax.xml.xpath.XPathConstants;
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7
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8 import org.apache.log4j.Logger;
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9
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10 import org.w3c.dom.Document;
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11 import org.w3c.dom.Element;
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12 import org.w3c.dom.Node;
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13 import org.w3c.dom.NodeList;
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14
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15 import de.intevation.artifacts.ArtifactNamespaceContext;
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16
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17 import de.intevation.artifactdatabase.state.DefaultOutput;
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18 import de.intevation.artifactdatabase.state.Facet;
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19 import de.intevation.artifactdatabase.state.Output;
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21 import de.intevation.artifacts.common.utils.XMLUtils;
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23 import de.intevation.flys.artifacts.model.ManagedDomFacet;
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25 /**
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26 * Access parts of the Attribute parts of a FLYSCollections description
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27 * document.
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28 */
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29 public class AttributeParser {
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30
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31 /** Constant XPath that points to the outputmodes of an artifact. */
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32 public static final String XPATH_ARTIFACT_OUTPUTMODES =
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33 "/art:attribute/art:outputs/art:output";
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36 private static Logger logger = Logger.getLogger(AttributeParser.class);
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39 protected Document attributeDocument;
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41 protected CollectionAttribute attribute;
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44 public AttributeParser(Document attributeDocument) {
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45 this.attributeDocument = attributeDocument;
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46 }
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49 public void parse() {
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50 logger.debug("AttributeParser.parse");
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52 attribute = new CollectionAttribute();
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53
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54 NodeList outs = (NodeList) XMLUtils.xpath(
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55 attributeDocument,
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56 XPATH_ARTIFACT_OUTPUTMODES,
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57 XPathConstants.NODESET,
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58 ArtifactNamespaceContext.INSTANCE);
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59
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60 int num = outs != null ? outs.getLength() : 0;
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61
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62 logger.debug("Attribute has " + num + " outputs.");
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63
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64 for (int i = 0; i < num; i++) {
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65 Node out = outs.item(i);
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66
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67 parseOutput(out);
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68 }
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69 }
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71
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72 public CollectionAttribute getCollectionAttribute() {
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73 if (attribute == null) {
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74 parse();
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75 }
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76
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77 return attribute;
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78 }
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81 public Document getAttributeDocument() {
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82 return attributeDocument;
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83 }
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86 public Map<String, Output> getOuts() {
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87 return attribute.getOutputs();
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88 }
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91 /**
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92 * Access all facets.
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93 * @return list of all facets.
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94 */
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95 public List<Facet> getFacets() {
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96 return attribute.getFacets();
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97 }
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98
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99
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100 protected void parseOutput(Node out) {
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101 String name = XMLUtils.xpathString(
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102 out, "@name", ArtifactNamespaceContext.INSTANCE);
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103
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104 if (name == null || name.length() == 0) {
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105 logger.warn("No Output name specified. Cancel parsing!");
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106 return;
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107 }
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108
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109 Output o = attribute.getOutput(name);
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110
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111 if (o == null) {
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112 logger.debug("Create new output: " + name);
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113
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114 o = new DefaultOutput(name, null, null);
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115 attribute.addOutput(name, o);
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116 }
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117
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118 parseItems(out, name);
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119 }
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120
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121
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122 protected void parseItems(Node out, String outname) {
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123 NodeList themes = (NodeList) XMLUtils.xpath(
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124 out, "art:facet",
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125 XPathConstants.NODESET,
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126 ArtifactNamespaceContext.INSTANCE);
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127
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128 int num = themes != null ? themes.getLength() : 0;
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129
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130 logger.debug("Output has " + num + " themes.");
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131
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132 String uri = ArtifactNamespaceContext.NAMESPACE_URI;
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133
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134 for (int i = 0; i < num; i++) {
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135 Element theme = (Element) themes.item(i);
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136
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0b466bd4ab24 Introduced a CollectionAttribute class that stores the information provided by the Collection's attribute document.
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137 attribute.addFacet(outname, new ManagedDomFacet(theme));
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138 }
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139 }
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140 }
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141 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org