add RDF representation for explicit namespace -> prefix registration …

…and changes; remove old JAX-B version.
fcrepo · May 21, 2013 · 23bc7f9 · 23bc7f9
1 parent eca6d4a
commit 23bc7f9
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diff --git a/fcrepo-http-api/src/main/java/org/fcrepo/api/FedoraNamespaces.java b/fcrepo-http-api/src/main/java/org/fcrepo/api/FedoraNamespaces.java
diff --git a/fcrepo-http-api/src/main/java/org/fcrepo/api/repository/FedoraRepositoryNamespaces.java b/fcrepo-http-api/src/main/java/org/fcrepo/api/repository/FedoraRepositoryNamespaces.java
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+
+package org.fcrepo.api.repository;
+
+import static javax.ws.rs.core.MediaType.TEXT_HTML;
+import static org.apache.jena.riot.WebContent.contentTypeSPARQLUpdate;
+import static org.fcrepo.http.RDFMediaType.N3;
+import static org.fcrepo.http.RDFMediaType.N3_ALT1;
+import static org.fcrepo.http.RDFMediaType.N3_ALT2;
+import static org.fcrepo.http.RDFMediaType.NTRIPLES;
+import static org.fcrepo.http.RDFMediaType.RDF_JSON;
+import static org.fcrepo.http.RDFMediaType.RDF_XML;
+import static org.fcrepo.http.RDFMediaType.TURTLE;
+
+import java.io.IOException;
+import java.io.InputStream;
+
+import javax.jcr.RepositoryException;
+import javax.jcr.Session;
+import javax.ws.rs.Consumes;
+import javax.ws.rs.GET;
+import javax.ws.rs.POST;
+import javax.ws.rs.Path;
+import javax.ws.rs.PathParam;
+import javax.ws.rs.Produces;
+import javax.ws.rs.core.Response;
+
+import com.hp.hpl.jena.query.Dataset;
+import com.hp.hpl.jena.update.GraphStore;
+import com.hp.hpl.jena.update.UpdateAction;
+import org.apache.commons.io.IOUtils;
+import org.apache.http.HttpStatus;
+import org.fcrepo.AbstractResource;
+import org.springframework.stereotype.Component;
+
+import com.codahale.metrics.annotation.Timed;
+
+/**
+ * The purpose of this class is to allow clients to manipulate the JCR
+ * namespaces in play in a repository. This is necessary to allow the use of
+ * traditional Fedora namespaced PIDs. Unlike Fedora Classic, a JCR requires
+ * that namespaces be registered before use. The catalog of namespaces is very
+ * simple, just a set of prefix-URI pairs.
+ * 
+ * @author ajs6f
+ * 
+ */
+@Component
+@Path("/rest/fcr:namespaces")
+public class FedoraRepositoryNamespaces extends AbstractResource {
+    /**
+     * Register multiple object namespaces.
+     *
+     * @return 204
+     * @throws RepositoryException
+     */
+    @POST
+	@Timed
+    @Consumes({contentTypeSPARQLUpdate})
+    public Response updateNamespaces(final InputStream requestBodyStream)
+            throws RepositoryException, IOException {
+
+        final Session session = getAuthenticatedSession();
+        try {
+
+            final GraphStore graph = nodeService.getNamespaceRegistryGraph(session);
+
+            UpdateAction.parseExecute(IOUtils.toString(requestBodyStream), graph);
+
+            session.save();
+
+            return Response.status(HttpStatus.SC_NO_CONTENT).build();
+        } finally {
+            session.logout();
+        }
+    }
+
+    /**
+     * @return
+     * @throws RepositoryException
+     * @throws IOException
+     */
+    @GET
+	@Timed
+    @Produces({N3, N3_ALT1, N3_ALT2, TURTLE, RDF_XML, RDF_JSON,
+                      NTRIPLES, TEXT_HTML})
+    public Dataset getNamespaces() throws RepositoryException,
+            IOException {
+
+        final Session session = getAuthenticatedSession();
+        try {
+
+            final GraphStore graph = nodeService.getNamespaceRegistryGraph(session);
+
+            return graph.toDataset();
+        } finally {
+            session.logout();
+        }
+    }
+
+}
diff --git a/fcrepo-http-api/src/test/java/org/fcrepo/api/FedoraNamespacesTest.java b/fcrepo-http-api/src/test/java/org/fcrepo/api/FedoraNamespacesTest.java