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Posted to commits@clerezza.apache.org by re...@apache.org on 2009/12/16 08:19:48 UTC

svn commit: r891138 - in /incubator/clerezza/issues/CLEREZZA-26/org.apache.clerezza.platform.content: ./ src/main/java/org/apache/clerezza/platform/content/

Author: reto
Date: Wed Dec 16 07:19:47 2009
New Revision: 891138

URL: http://svn.apache.org/viewvc?rev=891138&view=rev
Log:
merged down

Added:
    incubator/clerezza/issues/CLEREZZA-26/org.apache.clerezza.platform.content/src/main/java/org/apache/clerezza/platform/content/MetaDataGenerator.java
      - copied unchanged from r891033, incubator/clerezza/trunk/org.apache.clerezza.parent/org.apache.clerezza.webapp.parent/org.apache.clerezza.platform.content/src/main/java/org/apache/clerezza/platform/content/MetaDataGenerator.java
Modified:
    incubator/clerezza/issues/CLEREZZA-26/org.apache.clerezza.platform.content/   (props changed)
    incubator/clerezza/issues/CLEREZZA-26/org.apache.clerezza.platform.content/src/main/java/org/apache/clerezza/platform/content/AbstractDiscobitsHandler.java
    incubator/clerezza/issues/CLEREZZA-26/org.apache.clerezza.platform.content/src/main/java/org/apache/clerezza/platform/content/DiscobitsHandler.java
    incubator/clerezza/issues/CLEREZZA-26/org.apache.clerezza.platform.content/src/main/java/org/apache/clerezza/platform/content/DiscobitsTypeHandler.java
    incubator/clerezza/issues/CLEREZZA-26/org.apache.clerezza.platform.content/src/main/java/org/apache/clerezza/platform/content/SimpleDiscobitsHandler.java

Propchange: incubator/clerezza/issues/CLEREZZA-26/org.apache.clerezza.platform.content/
------------------------------------------------------------------------------
--- svn:mergeinfo (added)
+++ svn:mergeinfo Wed Dec 16 07:19:47 2009
@@ -0,0 +1 @@
+/incubator/clerezza/trunk/org.apache.clerezza.parent/org.apache.clerezza.webapp.parent/org.apache.clerezza.platform.content:890392-891033

Modified: incubator/clerezza/issues/CLEREZZA-26/org.apache.clerezza.platform.content/src/main/java/org/apache/clerezza/platform/content/AbstractDiscobitsHandler.java
URL: http://svn.apache.org/viewvc/incubator/clerezza/issues/CLEREZZA-26/org.apache.clerezza.platform.content/src/main/java/org/apache/clerezza/platform/content/AbstractDiscobitsHandler.java?rev=891138&r1=891137&r2=891138&view=diff
==============================================================================
--- incubator/clerezza/issues/CLEREZZA-26/org.apache.clerezza.platform.content/src/main/java/org/apache/clerezza/platform/content/AbstractDiscobitsHandler.java (original)
+++ incubator/clerezza/issues/CLEREZZA-26/org.apache.clerezza.platform.content/src/main/java/org/apache/clerezza/platform/content/AbstractDiscobitsHandler.java Wed Dec 16 07:19:47 2009
@@ -27,7 +27,6 @@
 import org.apache.clerezza.rdf.core.LiteralFactory;
 import org.apache.clerezza.rdf.core.MGraph;
 import org.apache.clerezza.rdf.core.NonLiteral;
-import org.apache.clerezza.rdf.core.Resource;
 import org.apache.clerezza.rdf.core.Triple;
 import org.apache.clerezza.rdf.core.TypedLiteral;
 import org.apache.clerezza.rdf.core.UriRef;
@@ -47,6 +46,14 @@
 	 */
 	protected abstract MGraph getMGraph();
 
+	/**
+	 * A <code>Set</code> containing <code>MetaDataGenerator</code>s to be used
+	 * to add meta data to data putted by the handler.
+	 *
+	 * @return a Set containing meta data generators
+	 */
+	protected abstract Set<MetaDataGenerator> getMetaDataGenerators();
+
 	@Override
 	public void put(UriRef infoDiscoBitUri, MediaType mediaType,
 			byte[] data) {
@@ -58,11 +65,14 @@
 		infoDiscoBitNode.addProperty(DISCOBITS.infoBit, dataLiteral);
 		TypedLiteral mediaTypeLiteral = LiteralFactory.getInstance().createTypedLiteral(mediaType.toString());
 		infoDiscoBitNode.addProperty(DISCOBITS.mediaType,mediaTypeLiteral);
+		for(MetaDataGenerator generator : getMetaDataGenerators()) {
+			generator.generate(infoDiscoBitNode, data, mediaType);
+		}
 	}
 
 	@Override
 	public  void remove(NonLiteral node) {
-		MGraph mGraph = getMGraph();
+		MGraph mGraph = getMGraph();		
 		Iterator<Triple> properties = mGraph.filter(node, null, null);
 		//copying properties to set, as we're modifying underlying graph
 		Set<Triple> propertiesSet = new HashSet<Triple>();
@@ -75,28 +85,19 @@
 			UriRef predicate = triple.getPredicate();
 			if (predicate.equals(DISCOBITS.contains)) {
 				try {
-					GraphNode graphNode = new GraphNode((NonLiteral)triple.getObject(), mGraph);
+					GraphNode containedNode = new GraphNode((NonLiteral)triple.getObject(), mGraph);
 					//The following includes triple
-					graphNode.deleteNodeContext();
+					containedNode.deleteNodeContext();
 				} catch (ClassCastException e) {
 					throw new RuntimeException("The value of "+predicate+" is expected not to be a literal");
 				}
 				//as some other properties of node could have been in the context of the object
 				remove(node);
 				return;
-			}
-			if (predicate.getUnicodeString().startsWith("http://discobits.org/ontology#")) {
-				mGraph.remove(triple);
-				continue;
-			}
-			if (predicate.equals(RDF.type)) {
-				Resource object = triple.getObject();
-				if ((object instanceof UriRef)
-						&& ((UriRef)object).getUnicodeString().startsWith("http://discobits.org/ontology#")) {
-					mGraph.remove(triple);
-				}
-			}
+			}			
 		}
+		GraphNode graphNode = new GraphNode(node, mGraph);
+		graphNode.deleteNodeContext();
 	}
 
 	@Override
@@ -120,5 +121,4 @@
 		}
 		return MediaType.valueOf(infoDiscobit.getContentType());
 	}
-
 }

Modified: incubator/clerezza/issues/CLEREZZA-26/org.apache.clerezza.platform.content/src/main/java/org/apache/clerezza/platform/content/DiscobitsHandler.java
URL: http://svn.apache.org/viewvc/incubator/clerezza/issues/CLEREZZA-26/org.apache.clerezza.platform.content/src/main/java/org/apache/clerezza/platform/content/DiscobitsHandler.java?rev=891138&r1=891137&r2=891138&view=diff
==============================================================================
--- incubator/clerezza/issues/CLEREZZA-26/org.apache.clerezza.platform.content/src/main/java/org/apache/clerezza/platform/content/DiscobitsHandler.java (original)
+++ incubator/clerezza/issues/CLEREZZA-26/org.apache.clerezza.platform.content/src/main/java/org/apache/clerezza/platform/content/DiscobitsHandler.java Wed Dec 16 07:19:47 2009
@@ -43,7 +43,8 @@
 			byte[] data);
 
 	/**
-	 * removes InfoDiscoBits (aka binary contents) and other DiscoBits.
+	 * Removes InfoDiscoBits (aka binary contents), other DiscoBits and
+	 * the context of the specified node.
 	 * 
 	 * @param node
 	 */

Modified: incubator/clerezza/issues/CLEREZZA-26/org.apache.clerezza.platform.content/src/main/java/org/apache/clerezza/platform/content/DiscobitsTypeHandler.java
URL: http://svn.apache.org/viewvc/incubator/clerezza/issues/CLEREZZA-26/org.apache.clerezza.platform.content/src/main/java/org/apache/clerezza/platform/content/DiscobitsTypeHandler.java?rev=891138&r1=891137&r2=891138&view=diff
==============================================================================
--- incubator/clerezza/issues/CLEREZZA-26/org.apache.clerezza.platform.content/src/main/java/org/apache/clerezza/platform/content/DiscobitsTypeHandler.java (original)
+++ incubator/clerezza/issues/CLEREZZA-26/org.apache.clerezza.platform.content/src/main/java/org/apache/clerezza/platform/content/DiscobitsTypeHandler.java Wed Dec 16 07:19:47 2009
@@ -18,9 +18,12 @@
  */
 package org.apache.clerezza.platform.content;
 
+import java.util.Collections;
+import java.util.HashSet;
 import java.util.Iterator;
 import java.util.List;
 
+import java.util.Set;
 import javax.ws.rs.GET;
 import javax.ws.rs.PUT;
 import javax.ws.rs.Produces;
@@ -33,6 +36,13 @@
 import javax.ws.rs.core.Response.Status;
 import javax.ws.rs.ext.RuntimeDelegate;
 
+import org.apache.felix.scr.annotations.Component;
+import org.apache.felix.scr.annotations.Property;
+import org.apache.felix.scr.annotations.Reference;
+import org.apache.felix.scr.annotations.ReferenceCardinality;
+import org.apache.felix.scr.annotations.ReferencePolicy;
+import org.apache.felix.scr.annotations.Service;
+import org.apache.felix.scr.annotations.Services;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.apache.clerezza.platform.graphprovider.content.ContentGraphProvider;
@@ -51,24 +61,29 @@
  * TypeHanlder to allow HTTP GET and PUT.
  *
  * @author reto, tho
- * 
- * @scr.component
- * @scr.service interface="java.lang.Object"
- * @scr.service interface="org.apache.clerezza.platform.content.DiscobitsHandler"
- * @scr.property name="org.apache.clerezza.platform.typehandler" type="Boolean" value="true"
- * 
  */
+@Component
+@Services({
+	@Service(Object.class),
+	@Service(DiscobitsHandler.class)
+})
+@Property(name="org.apache.clerezza.platform.typehandler", boolValue=true)
+@Reference(name="metaDataGenerator",
+	policy=ReferencePolicy.DYNAMIC,
+	cardinality=ReferenceCardinality.OPTIONAL_MULTIPLE,
+	referenceInterface=MetaDataGenerator.class
+)
 @SupportedTypes(types = { "http://www.w3.org/2000/01/rdf-schema#Resource" }, prioritize = false)
 public class DiscobitsTypeHandler extends AbstractDiscobitsHandler
 		implements DiscobitsHandler {
 
-	/**
-	 * @scr.reference
-	 */
+	@Reference
 	private ContentGraphProvider cgProvider;
 	
 	private static final Logger logger = LoggerFactory.getLogger(DiscobitsTypeHandler.class);
 
+	private Set<MetaDataGenerator> metaDataGenerators =
+			Collections.synchronizedSet(new HashSet<MetaDataGenerator>());
 
 	/**
 	 * TypeHandle method for rdf types "TitledContext", "InfoDiscoBit",
@@ -122,9 +137,21 @@
 		return Response.status(Status.CREATED).build();
 	}
 
+	protected void bindMetaDataGenerator(MetaDataGenerator generator) {
+		metaDataGenerators.add(generator);
+	}
+
+	protected void unbindMetaDataGenerator(MetaDataGenerator generator) {
+		metaDataGenerators.remove(generator);
+	}
+
 	@Override
 	protected MGraph getMGraph() {
 		return cgProvider.getContentGraph();
 	}
 
+	@Override
+	protected Set<MetaDataGenerator> getMetaDataGenerators() {
+		return metaDataGenerators;
+	}
 }

Modified: incubator/clerezza/issues/CLEREZZA-26/org.apache.clerezza.platform.content/src/main/java/org/apache/clerezza/platform/content/SimpleDiscobitsHandler.java
URL: http://svn.apache.org/viewvc/incubator/clerezza/issues/CLEREZZA-26/org.apache.clerezza.platform.content/src/main/java/org/apache/clerezza/platform/content/SimpleDiscobitsHandler.java?rev=891138&r1=891137&r2=891138&view=diff
==============================================================================
--- incubator/clerezza/issues/CLEREZZA-26/org.apache.clerezza.platform.content/src/main/java/org/apache/clerezza/platform/content/SimpleDiscobitsHandler.java (original)
+++ incubator/clerezza/issues/CLEREZZA-26/org.apache.clerezza.platform.content/src/main/java/org/apache/clerezza/platform/content/SimpleDiscobitsHandler.java Wed Dec 16 07:19:47 2009
@@ -18,6 +18,7 @@
  */
 package org.apache.clerezza.platform.content;
 
+import java.util.Set;
 import org.apache.clerezza.rdf.core.MGraph;
 
 /**
@@ -37,4 +38,9 @@
 		return mGraph;
 	}
 
+	@Override
+	protected Set<MetaDataGenerator> getMetaDataGenerators() {
+		return null;
+	}
+
 }