Mercurial > dive4elements > river
comparison flys-artifacts/src/main/java/de/intevation/flys/collections/OutputParser.java @ 751:8d5bd3a08dd1
merged flys-artifacts/2.4
| author | Thomas Arendsen Hein <thomas@intevation.de> |
|---|---|
| date | Fri, 28 Sep 2012 12:14:14 +0200 |
| parents | 853dceead0f4 |
| children | 9ff7e06bcb77 |
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| 618:6fd6c223b81e | 751:8d5bd3a08dd1 |
|---|---|
| 1 package de.intevation.flys.collections; | |
| 2 | |
| 3 import java.util.HashMap; | |
| 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.ArtifactDatabase; | |
| 16 import de.intevation.artifacts.ArtifactDatabaseException; | |
| 17 import de.intevation.artifacts.ArtifactNamespaceContext; | |
| 18 import de.intevation.artifacts.CallMeta; | |
| 19 | |
| 20 import de.intevation.artifactdatabase.state.DefaultOutput; | |
| 21 import de.intevation.artifactdatabase.state.Output; | |
| 22 | |
| 23 import de.intevation.artifacts.common.utils.XMLUtils; | |
| 24 | |
| 25 import de.intevation.flys.artifacts.model.ManagedFacet; | |
| 26 | |
| 27 | |
| 28 public class OutputParser { | |
| 29 | |
| 30 /** Constant XPath that points to the outputmodes of an artifact.*/ | |
| 31 public static final String XPATH_ARTIFACT_OUTPUTMODES = | |
| 32 "/art:result/art:outputmodes/art:output"; | |
| 33 | |
| 34 | |
| 35 private static Logger logger = Logger.getLogger(OutputParser.class); | |
| 36 | |
| 37 protected ArtifactDatabase db; | |
| 38 protected CallMeta meta; | |
| 39 | |
| 40 protected Map<String, Output> outs; | |
| 41 | |
| 42 | |
| 43 public OutputParser(ArtifactDatabase db, CallMeta meta) { | |
| 44 this.db = db; | |
| 45 this.meta = meta; | |
| 46 this.outs = new HashMap<String, Output>(); | |
| 47 } | |
| 48 | |
| 49 | |
| 50 public void parse(String uuid) | |
| 51 throws ArtifactDatabaseException | |
| 52 { | |
| 53 logger.debug("OutputParser.parse: " + uuid); | |
| 54 | |
| 55 // XXX I am not sure if it works well every time with an empty | |
| 56 // document in the describe operation of an artifact. | |
| 57 Document description = db.describe(uuid, null, meta); | |
| 58 | |
| 59 NodeList outs = (NodeList) XMLUtils.xpath( | |
| 60 description, | |
| 61 XPATH_ARTIFACT_OUTPUTMODES, | |
| 62 XPathConstants.NODESET, | |
| 63 ArtifactNamespaceContext.INSTANCE); | |
| 64 | |
| 65 int num = outs != null ? outs.getLength() : 0; | |
| 66 | |
| 67 logger.debug("Artifact has " + num + " outputs."); | |
| 68 | |
| 69 for (int i = 0; i < num; i++) { | |
| 70 Element out = (Element)outs.item(i); | |
| 71 | |
| 72 parseOutput(uuid, out); | |
| 73 } | |
| 74 } | |
| 75 | |
| 76 | |
| 77 public Map<String, Output> getOuts() { | |
| 78 return outs; | |
| 79 } | |
| 80 | |
| 81 | |
| 82 protected void addItem(String out, ManagedFacet item) { | |
| 83 Output o = outs.get(out); | |
| 84 | |
| 85 if (o != null) { | |
| 86 int num = o.getFacets().size(); | |
| 87 item.setPosition(num+1); | |
| 88 | |
| 89 o.addFacet(item); | |
| 90 } | |
| 91 } | |
| 92 | |
| 93 | |
| 94 protected void parseOutput(String uuid, Element out) { | |
| 95 | |
| 96 String uri = ArtifactNamespaceContext.NAMESPACE_URI; | |
| 97 | |
| 98 String name = out.getAttributeNS(uri, "name"); | |
| 99 | |
| 100 if (outs.get(name) == null) { | |
| 101 logger.debug("Create new output: " + name); | |
| 102 newOutput(out, name); | |
| 103 } | |
| 104 | |
| 105 parseItems(uuid, out, name); | |
| 106 } | |
| 107 | |
| 108 | |
| 109 protected void newOutput(Element out, String name) { | |
| 110 | |
| 111 String uri = ArtifactNamespaceContext.NAMESPACE_URI; | |
| 112 | |
| 113 String desc = out.getAttributeNS(uri, "description"); | |
| 114 String mimetype = out.getAttributeNS(uri, "mime-type"); | |
| 115 | |
| 116 Output o = new DefaultOutput(name, desc, mimetype); | |
| 117 | |
| 118 outs.put(name, o); | |
| 119 } | |
| 120 | |
| 121 | |
| 122 protected void parseItems(String uuid, Node out, String outname) { | |
| 123 NodeList facets = (NodeList) XMLUtils.xpath( | |
| 124 out, "art:facets/art:facet", | |
| 125 XPathConstants.NODESET, | |
| 126 ArtifactNamespaceContext.INSTANCE); | |
| 127 | |
| 128 int num = facets != null ? facets.getLength() : 0; | |
| 129 | |
| 130 String uri = ArtifactNamespaceContext.NAMESPACE_URI; | |
| 131 | |
| 132 logger.debug("Output has " + num + " facets."); | |
| 133 | |
| 134 for (int i = 0; i < num; i++) { | |
| 135 Element facet = (Element) facets.item(i); | |
| 136 | |
| 137 String name = facet.getAttributeNS(uri, "name"); | |
| 138 String desc = facet.getAttributeNS(uri, "description"); | |
| 139 String index = facet.getAttributeNS(uri, "index"); | |
| 140 | |
| 141 ManagedFacet item = new ManagedFacet( | |
| 142 name, Integer.parseInt(index), desc, uuid, 1, 1); | |
| 143 | |
| 144 addItem(outname, item); | |
| 145 } | |
| 146 } | |
| 147 } | |
| 148 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |