Mercurial > dive4elements > river
diff flys-artifacts/src/main/java/de/intevation/flys/collections/AttributeWriter.java @ 346:16161de47662
The Attributes of a collection are written into its DESCRIBE now.
flys-artifacts/trunk@1748 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
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date | Tue, 26 Apr 2011 13:29:18 +0000 |
parents | |
children | 8378683fa07a |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/flys-artifacts/src/main/java/de/intevation/flys/collections/AttributeWriter.java Tue Apr 26 13:29:18 2011 +0000 @@ -0,0 +1,144 @@ +package de.intevation.flys.collections; + +import java.util.Iterator; +import java.util.List; +import java.util.Map; + +import org.apache.log4j.Logger; + +import org.w3c.dom.Document; +import org.w3c.dom.Element; +import org.w3c.dom.Node; + +import de.intevation.artifacts.ArtifactNamespaceContext; + +import de.intevation.artifactdatabase.state.Facet; +import de.intevation.artifactdatabase.state.Output; + +import de.intevation.artifacts.common.utils.XMLUtils; +import de.intevation.artifacts.common.utils.XMLUtils.ElementCreator; + +import de.intevation.flys.artifacts.model.ManagedFacet; + + +public class AttributeWriter { + + protected Map<String, Output> oldAttr; + protected Map<String, Output> newAttr; + + private static Logger logger = Logger.getLogger(AttributeWriter.class); + + + public AttributeWriter( + Map<String, Output> oldAttr, + Map<String, Output> newAttr) + { + this.oldAttr = oldAttr; + this.newAttr = newAttr; + } + + + protected Document write() { + Document doc = XMLUtils.newDocument(); + + ElementCreator cr = new ElementCreator( + doc, + ArtifactNamespaceContext.NAMESPACE_URI, + ArtifactNamespaceContext.NAMESPACE_PREFIX); + + Iterator<String> iter = newAttr.keySet().iterator(); + + while (iter.hasNext()) { + String outName = iter.next(); + + Output a = newAttr.get(outName); + Output b = oldAttr.get(outName); + + writeOutput(doc, cr, a, b); + } + + return doc; + } + + + protected void writeOutput( + Document doc, + ElementCreator cr, + Output a, + Output b) + { + Element output = cr.create("output"); + cr.addAttr(output, "name", a.getName()); + + doc.appendChild(output); + + List<Facet> facetsA = a.getFacets(); + List<Facet> facetsB = null; + + if (b != null) { + facetsB = b.getFacets(); + } + + writeFacets(doc, cr, output, facetsA, facetsB); + } + + + protected void writeFacets( + Document doc, + ElementCreator cr, + Element output, + List<Facet> a, + List<Facet> b) + { + int num = a.size(); + + for (int i = 0; i < num; i++) { + ManagedFacet fA = (ManagedFacet) a.get(i); + + if (!mergeFacets(doc, cr, output, fA, b)) { + writeFacet(doc, cr, output, fA); + } + } + } + + + protected boolean mergeFacets( + Document doc, + ElementCreator cr, + Element output, + ManagedFacet a, + List<Facet> list) + { + String name = a.getName(); + + if (list == null) { + return false; + } + + for (Facet facet: list) { + if (name.equals(facet.getName())) { + writeFacet(doc, cr, output, (ManagedFacet) facet); + return true; + } + } + + return false; + } + + + protected void writeFacet( + Document doc, + ElementCreator cr, + Node output, + ManagedFacet f) + { + Element theme = cr.create("theme"); + cr.addAttr(theme, "artifact", f.getArtifact(), true); + cr.addAttr(theme, "facet", f.getName(), true); + cr.addAttr(theme, "pos", Integer.toString(f.getPosition()), true); + cr.addAttr(theme, "active", Integer.toString(f.getActive()), true); + + output.appendChild(theme); + } +} +