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annotate flys-artifacts/src/main/java/de/intevation/flys/collections/AttributeParser.java @ 2089:0da8874bd378

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Added initial state to map artifact to be able to advance and step back. The map artifact overrides describe() to have the complete UI information in the describe response document. flys-artifacts/trunk@3613 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Raimund Renkert <raimund.renkert@intevation.de>
date Fri, 06 Jan 2012 12:02:10 +0000
parents 3e703d134bbe
children e57816cf41d5
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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20 import de.intevation.artifactdatabase.state.Settings;
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22 import de.intevation.artifacts.common.utils.XMLUtils;
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23
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59ae2a823e73 Use the Facet.toXML() method to write facet elements into the DESCRIBE document of the Collection.
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24 import de.intevation.flys.artifacts.model.ManagedDomFacet;
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25 import de.intevation.flys.exports.ChartSettings;
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27 /**
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28 * Access parts of the Attribute parts of a FLYSCollections description
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29 * document.
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30 */
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31 public class AttributeParser {
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32
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33 /** Constant XPath that points to the outputmodes of an artifact. */
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34 public static final String XPATH_ARTIFACT_OUTPUTMODES =
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35 "/art:attribute/art:outputs/art:output";
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38 private static Logger logger = Logger.getLogger(AttributeParser.class);
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41 protected Document attributeDocument;
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42
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43 protected CollectionAttribute attribute;
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46 public AttributeParser(Document attributeDocument) {
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47 this.attributeDocument = attributeDocument;
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48 }
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51 public void parse() {
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52 logger.debug("AttributeParser.parse");
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54 attribute = new CollectionAttribute();
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55
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56 NodeList outs = (NodeList) XMLUtils.xpath(
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57 attributeDocument,
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58 XPATH_ARTIFACT_OUTPUTMODES,
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59 XPathConstants.NODESET,
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60 ArtifactNamespaceContext.INSTANCE);
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61
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62 int num = outs != null ? outs.getLength() : 0;
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63
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64 logger.debug("Attribute has " + num + " outputs.");
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65
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66 for (int i = 0; i < num; i++) {
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67 Node out = outs.item(i);
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68
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69 parseOutput(out);
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70 }
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71 }
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73
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74 public CollectionAttribute getCollectionAttribute() {
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75 if (attribute == null) {
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76 parse();
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77 }
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78
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79 return attribute;
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80 }
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83 public Document getAttributeDocument() {
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84 return attributeDocument;
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85 }
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88 public Map<String, Output> getOuts() {
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89 return attribute.getOutputs();
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90 }
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93 /**
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94 * Access all facets.
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95 * @return list of all facets.
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96 */
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97 public List<Facet> getFacets() {
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98 return attribute.getFacets();
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99 }
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100
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101
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102 protected void parseOutput(Node out) {
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103 String name = XMLUtils.xpathString(
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104 out, "@name", ArtifactNamespaceContext.INSTANCE);
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105
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106 if (name == null || name.length() == 0) {
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107 logger.warn("No Output name specified. Cancel parsing!");
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108 return;
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109 }
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110
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111 Output o = attribute.getOutput(name);
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112
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113 if (o == null) {
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114 logger.debug("Create new output: " + name);
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115
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116 o = new DefaultOutput(name, null, null);
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117 attribute.addOutput(name, o);
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118 }
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119
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120 parseSettings(out, name);
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121 parseItems(out, name);
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122 }
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123
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124
1994
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125 protected void parseSettings(Node out, String outname) {
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parents: 1976
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126 Node settingsNode = (Node) XMLUtils.xpath(
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parents: 1976
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127 out, "settings",
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parents: 1976
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128 XPathConstants.NODE,
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parents: 1976
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129 null);
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parents: 1976
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130
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parents: 1976
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131 if (settingsNode == null) {
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parents: 1976
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132 logger.debug("No Settings found for Output '" + outname + "'");
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1976
diff changeset
133 return;
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parents: 1976
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134 }
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parents: 1976
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135
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parents: 1976
diff changeset
136 Settings settings = ChartSettings.parse(settingsNode);
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parents: 1976
diff changeset
137 attribute.setSettings(outname, settings);
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parents: 1976
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138 }
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parents: 1976
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139
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parents: 1976
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140
346
16161de47662 The Attributes of a collection are written into its DESCRIBE now.
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parents:
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141 protected void parseItems(Node out, String outname) {
16161de47662 The Attributes of a collection are written into its DESCRIBE now.
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parents:
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142 NodeList themes = (NodeList) XMLUtils.xpath(
945
59ae2a823e73 Use the Facet.toXML() method to write facet elements into the DESCRIBE document of the Collection.
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parents: 694
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143 out, "art:facet",
346
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parents:
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144 XPathConstants.NODESET,
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parents:
diff changeset
145 ArtifactNamespaceContext.INSTANCE);
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parents:
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146
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parents:
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147 int num = themes != null ? themes.getLength() : 0;
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parents:
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148
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149 logger.debug("Output has " + num + " themes.");
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parents:
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150
694
68c6c75a6f7c Add index and description of facets to collections describe document.
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parents: 638
diff changeset
151 String uri = ArtifactNamespaceContext.NAMESPACE_URI;
346
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parents:
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152
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parents: 638
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153 for (int i = 0; i < num; i++) {
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parents: 638
diff changeset
154 Element theme = (Element) themes.item(i);
638
9c565eb46f06 Fixed the process of creating and storing the attribute of a collection.
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parents: 349
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155
1976
0b466bd4ab24 Introduced a CollectionAttribute class that stores the information provided by the Collection's attribute document.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1779
diff changeset
156 attribute.addFacet(outname, new ManagedDomFacet(theme));
346
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parents:
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157 }
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parents:
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158 }
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parents:
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159 }
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parents:
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160 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org