better abstraction of document model generation

htroot/ViewFile.java

@@ -40,6 +40,7 @@ import net.yacy.cora.document.ASCII;
 import net.yacy.cora.document.MultiProtocolURI;
 import net.yacy.cora.document.UTF8;
 import net.yacy.cora.lod.JenaTripleStore;
+import net.yacy.cora.lod.vocabulary.YaCyMetadata;
 import net.yacy.cora.protocol.RequestHeader;
 import net.yacy.cora.services.federated.yacy.CacheStrategy;
 import net.yacy.document.Condenser;
@@ -54,6 +55,9 @@ import net.yacy.kelondro.data.meta.URIMetadataRow;
 import net.yacy.search.Switchboard;
 import net.yacy.search.index.Segment;
 import net.yacy.search.index.Segments;
+
+import com.hp.hpl.jena.rdf.model.Model;
+
 import de.anomic.crawler.Cache;
 import de.anomic.crawler.retrieval.Response;
 import de.anomic.server.serverObjects;
@@ -344,7 +348,8 @@ public class ViewFile {
         prop.putNum("error_size", size);
         prop.put("error_mimeTypeAvailable", (response.getMimeType() == null) ? "0" : "1");
         prop.put("error_mimeTypeAvailable_mimeType", response.getMimeType());
-        prop.putXML("error_triples", JenaTripleStore.getMetadataByURLHash(url.hash()));
+        Model model = JenaTripleStore.getSubmodelBySubject(YaCyMetadata.hashURI(url.hash()));
+        prop.putXML("error_triples", JenaTripleStore.getRDFByModel(model));
         return prop;
     }
 

htroot/api/yacydoc.java

@@ -30,6 +30,7 @@ import java.net.MalformedURLException;
 import net.yacy.cora.date.ISO8601Formatter;
 import net.yacy.cora.document.ASCII;
 import net.yacy.cora.lod.JenaTripleStore;
+import net.yacy.cora.lod.vocabulary.YaCyMetadata;
 import net.yacy.cora.protocol.RequestHeader;
 import net.yacy.cora.protocol.RequestHeader.FileType;
 import net.yacy.kelondro.data.meta.DigestURI;
@@ -39,6 +40,9 @@ import net.yacy.kelondro.logging.Log;
 import net.yacy.search.Switchboard;
 import net.yacy.search.index.Segment;
 import net.yacy.search.index.Segments;
+
+import com.hp.hpl.jena.rdf.model.Model;
+
 import de.anomic.server.serverObjects;
 import de.anomic.server.serverSwitch;
 
@@ -130,7 +134,8 @@ public class yacydoc {
         prop.put("yacy_outbound", entry.lother());
 
         // extract the submodel from the triplestore
-        String rdf = JenaTripleStore.getMetadataByURLHash(entry.hash());
+        Model model = JenaTripleStore.getSubmodelBySubject(YaCyMetadata.hashURI(entry.hash()));
+        String rdf = JenaTripleStore.getRDFByModel(model);
         prop.putXML("triples", rdf);
         prop.put("rdf", header.fileType() == FileType.XML ? rdf : "");
 

source/net/yacy/cora/lod/JenaTripleStore.java

@@ -262,9 +262,7 @@ public class JenaTripleStore {
         return m;
     }
 
-    public static String getMetadataByURLHash(byte[] urlhash) {
-        String subject = YaCyMetadata.hashURI(urlhash);
-        Model model = JenaTripleStore.getSubmodelBySubject(subject);
+    public static String getRDFByModel(Model model) {
         ByteArrayOutputStream baos = new ByteArrayOutputStream();
         model.write(baos, "RDF/XML-ABBREV");
         return UTF8.String(baos.toByteArray());