Mercurial > dive4elements > river
comparison flys-artifacts/src/main/java/de/intevation/flys/collections/AttributeParser.java @ 3818:dc18457b1cef
merged flys-artifacts/pre2.7-2012-03-16
| author | Thomas Arendsen Hein <thomas@intevation.de> |
|---|---|
| date | Fri, 28 Sep 2012 12:14:59 +0200 |
| parents | 3e703d134bbe |
| children | e57816cf41d5 |
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| 2456:60ab1054069d | 3818:dc18457b1cef |
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| 1 package de.intevation.flys.collections; | |
| 2 | |
| 3 import java.util.List; | |
| 4 import java.util.Map; | |
| 5 | |
| 6 import javax.xml.xpath.XPathConstants; | |
| 7 | |
| 8 import org.apache.log4j.Logger; | |
| 9 | |
| 10 import org.w3c.dom.Document; | |
| 11 import org.w3c.dom.Element; | |
| 12 import org.w3c.dom.Node; | |
| 13 import org.w3c.dom.NodeList; | |
| 14 | |
| 15 import de.intevation.artifacts.ArtifactNamespaceContext; | |
| 16 | |
| 17 import de.intevation.artifactdatabase.state.DefaultOutput; | |
| 18 import de.intevation.artifactdatabase.state.Facet; | |
| 19 import de.intevation.artifactdatabase.state.Output; | |
| 20 import de.intevation.artifactdatabase.state.Settings; | |
| 21 | |
| 22 import de.intevation.artifacts.common.utils.XMLUtils; | |
| 23 | |
| 24 import de.intevation.flys.artifacts.model.ManagedDomFacet; | |
| 25 import de.intevation.flys.exports.ChartSettings; | |
| 26 | |
| 27 /** | |
| 28 * Access parts of the Attribute parts of a FLYSCollections description | |
| 29 * document. | |
| 30 */ | |
| 31 public class AttributeParser { | |
| 32 | |
| 33 /** Constant XPath that points to the outputmodes of an artifact. */ | |
| 34 public static final String XPATH_ARTIFACT_OUTPUTMODES = | |
| 35 "/art:attribute/art:outputs/art:output"; | |
| 36 | |
| 37 | |
| 38 private static Logger logger = Logger.getLogger(AttributeParser.class); | |
| 39 | |
| 40 | |
| 41 protected Document attributeDocument; | |
| 42 | |
| 43 protected CollectionAttribute attribute; | |
| 44 | |
| 45 | |
| 46 public AttributeParser(Document attributeDocument) { | |
| 47 this.attributeDocument = attributeDocument; | |
| 48 } | |
| 49 | |
| 50 | |
| 51 public void parse() { | |
| 52 logger.debug("AttributeParser.parse"); | |
| 53 | |
| 54 attribute = new CollectionAttribute(); | |
| 55 | |
| 56 NodeList outs = (NodeList) XMLUtils.xpath( | |
| 57 attributeDocument, | |
| 58 XPATH_ARTIFACT_OUTPUTMODES, | |
| 59 XPathConstants.NODESET, | |
| 60 ArtifactNamespaceContext.INSTANCE); | |
| 61 | |
| 62 int num = outs != null ? outs.getLength() : 0; | |
| 63 | |
| 64 logger.debug("Attribute has " + num + " outputs."); | |
| 65 | |
| 66 for (int i = 0; i < num; i++) { | |
| 67 Node out = outs.item(i); | |
| 68 | |
| 69 parseOutput(out); | |
| 70 } | |
| 71 } | |
| 72 | |
| 73 | |
| 74 public CollectionAttribute getCollectionAttribute() { | |
| 75 if (attribute == null) { | |
| 76 parse(); | |
| 77 } | |
| 78 | |
| 79 return attribute; | |
| 80 } | |
| 81 | |
| 82 | |
| 83 public Document getAttributeDocument() { | |
| 84 return attributeDocument; | |
| 85 } | |
| 86 | |
| 87 | |
| 88 public Map<String, Output> getOuts() { | |
| 89 return attribute.getOutputs(); | |
| 90 } | |
| 91 | |
| 92 | |
| 93 /** | |
| 94 * Access all facets. | |
| 95 * @return list of all facets. | |
| 96 */ | |
| 97 public List<Facet> getFacets() { | |
| 98 return attribute.getFacets(); | |
| 99 } | |
| 100 | |
| 101 | |
| 102 protected void parseOutput(Node out) { | |
| 103 String name = XMLUtils.xpathString( | |
| 104 out, "@name", ArtifactNamespaceContext.INSTANCE); | |
| 105 | |
| 106 if (name == null || name.length() == 0) { | |
| 107 logger.warn("No Output name specified. Cancel parsing!"); | |
| 108 return; | |
| 109 } | |
| 110 | |
| 111 Output o = attribute.getOutput(name); | |
| 112 | |
| 113 if (o == null) { | |
| 114 logger.debug("Create new output: " + name); | |
| 115 | |
| 116 o = new DefaultOutput(name, null, null); | |
| 117 attribute.addOutput(name, o); | |
| 118 } | |
| 119 | |
| 120 parseSettings(out, name); | |
| 121 parseItems(out, name); | |
| 122 } | |
| 123 | |
| 124 | |
| 125 protected void parseSettings(Node out, String outname) { | |
| 126 Node settingsNode = (Node) XMLUtils.xpath( | |
| 127 out, "settings", | |
| 128 XPathConstants.NODE, | |
| 129 null); | |
| 130 | |
| 131 if (settingsNode == null) { | |
| 132 logger.debug("No Settings found for Output '" + outname + "'"); | |
| 133 return; | |
| 134 } | |
| 135 | |
| 136 Settings settings = ChartSettings.parse(settingsNode); | |
| 137 attribute.setSettings(outname, settings); | |
| 138 } | |
| 139 | |
| 140 | |
| 141 protected void parseItems(Node out, String outname) { | |
| 142 NodeList themes = (NodeList) XMLUtils.xpath( | |
| 143 out, "art:facet", | |
| 144 XPathConstants.NODESET, | |
| 145 ArtifactNamespaceContext.INSTANCE); | |
| 146 | |
| 147 int num = themes != null ? themes.getLength() : 0; | |
| 148 | |
| 149 logger.debug("Output has " + num + " themes."); | |
| 150 | |
| 151 String uri = ArtifactNamespaceContext.NAMESPACE_URI; | |
| 152 | |
| 153 for (int i = 0; i < num; i++) { | |
| 154 Element theme = (Element) themes.item(i); | |
| 155 | |
| 156 attribute.addFacet(outname, new ManagedDomFacet(theme)); | |
| 157 } | |
| 158 } | |
| 159 } | |
| 160 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |