Mercurial > dive4elements > river
comparison flys-artifacts/src/main/java/de/intevation/flys/collections/OutputParser.java @ 430:7ab81ff32111 2.3
merged flys-artifacts/2.3
| author | Thomas Arendsen Hein <thomas@intevation.de> |
|---|---|
| date | Fri, 28 Sep 2012 12:14:10 +0200 |
| parents | 6167ae622ce0 |
| children | 68c6c75a6f7c |
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| 290:a6f56ed9238b | 430:7ab81ff32111 |
|---|---|
| 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.Node; | |
| 12 import org.w3c.dom.NodeList; | |
| 13 | |
| 14 import de.intevation.artifacts.ArtifactDatabase; | |
| 15 import de.intevation.artifacts.ArtifactDatabaseException; | |
| 16 import de.intevation.artifacts.ArtifactNamespaceContext; | |
| 17 import de.intevation.artifacts.CallMeta; | |
| 18 | |
| 19 import de.intevation.artifactdatabase.state.DefaultOutput; | |
| 20 import de.intevation.artifactdatabase.state.Output; | |
| 21 | |
| 22 import de.intevation.artifacts.common.utils.XMLUtils; | |
| 23 | |
| 24 import de.intevation.flys.artifacts.model.ManagedFacet; | |
| 25 | |
| 26 | |
| 27 public class OutputParser { | |
| 28 | |
| 29 /** Constant XPath that points to the outputmodes of an artifact.*/ | |
| 30 public static final String XPATH_ARTIFACT_OUTPUTMODES = | |
| 31 "/art:result/art:outputmodes/art:output"; | |
| 32 | |
| 33 | |
| 34 private static Logger logger = Logger.getLogger(OutputParser.class); | |
| 35 | |
| 36 protected ArtifactDatabase db; | |
| 37 protected CallMeta meta; | |
| 38 | |
| 39 protected Map<String, Output> outs; | |
| 40 | |
| 41 | |
| 42 public OutputParser(ArtifactDatabase db, CallMeta meta) { | |
| 43 this.db = db; | |
| 44 this.meta = meta; | |
| 45 this.outs = new HashMap<String, Output>(); | |
| 46 } | |
| 47 | |
| 48 | |
| 49 public void parse(String uuid) | |
| 50 throws ArtifactDatabaseException | |
| 51 { | |
| 52 logger.debug("OutputParser.parse: " + uuid); | |
| 53 | |
| 54 // XXX I am not sure if it works well every time with an empty | |
| 55 // document in the describe operation of an artifact. | |
| 56 Document description = db.describe(uuid, null, meta); | |
| 57 | |
| 58 NodeList outs = (NodeList) XMLUtils.xpath( | |
| 59 description, | |
| 60 XPATH_ARTIFACT_OUTPUTMODES, | |
| 61 XPathConstants.NODESET, | |
| 62 ArtifactNamespaceContext.INSTANCE); | |
| 63 | |
| 64 int num = outs != null ? outs.getLength() : 0; | |
| 65 | |
| 66 logger.debug("Artifact has " + num + " outputs."); | |
| 67 | |
| 68 for (int i = 0; i < num; i++) { | |
| 69 Node out = outs.item(i); | |
| 70 | |
| 71 parseOutput(uuid, out); | |
| 72 } | |
| 73 } | |
| 74 | |
| 75 | |
| 76 public Map<String, Output> getOuts() { | |
| 77 return outs; | |
| 78 } | |
| 79 | |
| 80 | |
| 81 protected void addItem(String out, ManagedFacet item) { | |
| 82 Output o = outs.get(out); | |
| 83 | |
| 84 if (o != null) { | |
| 85 int num = o.getFacets().size(); | |
| 86 item.setPosition(num+1); | |
| 87 | |
| 88 o.addFacet(item); | |
| 89 } | |
| 90 } | |
| 91 | |
| 92 | |
| 93 protected void parseOutput(String uuid, Node out) { | |
| 94 String name = XMLUtils.xpathString( | |
| 95 out, "@art:name", ArtifactNamespaceContext.INSTANCE); | |
| 96 | |
| 97 if (outs.get(name) == null) { | |
| 98 logger.debug("Create new output: " + name); | |
| 99 newOutput(out, name); | |
| 100 } | |
| 101 | |
| 102 parseItems(uuid, out, name); | |
| 103 } | |
| 104 | |
| 105 | |
| 106 protected void newOutput(Node out, String name) { | |
| 107 String desc = XMLUtils.xpathString( | |
| 108 out, "@art:description", ArtifactNamespaceContext.INSTANCE); | |
| 109 | |
| 110 String mimetype = XMLUtils.xpathString( | |
| 111 out, "@art:mime-type", ArtifactNamespaceContext.INSTANCE); | |
| 112 | |
| 113 Output o = new DefaultOutput(name, desc, mimetype); | |
| 114 | |
| 115 outs.put(name, o); | |
| 116 } | |
| 117 | |
| 118 | |
| 119 protected void parseItems(String uuid, Node out, String outname) { | |
| 120 NodeList facets = (NodeList) XMLUtils.xpath( | |
| 121 out, "art:facets/art:facet", | |
| 122 XPathConstants.NODESET, | |
| 123 ArtifactNamespaceContext.INSTANCE); | |
| 124 | |
| 125 int num = facets != null ? facets.getLength() : 0; | |
| 126 | |
| 127 logger.debug("Output has " + num + " facets."); | |
| 128 | |
| 129 for (int i = 0; i < num; i++) { | |
| 130 Node facet = facets.item(i); | |
| 131 | |
| 132 String name = XMLUtils.xpathString( | |
| 133 facet, "@art:name", ArtifactNamespaceContext.INSTANCE); | |
| 134 | |
| 135 ManagedFacet item = new ManagedFacet(name, null, uuid, 1, 1); | |
| 136 | |
| 137 addItem(outname, item); | |
| 138 } | |
| 139 } | |
| 140 } | |
| 141 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |