| /* |
| * Copyright 2015 Open Networking Laboratory |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.onosproject.vtnweb.resources; |
| |
| import static javax.ws.rs.core.Response.Status.INTERNAL_SERVER_ERROR; |
| import static org.onlab.util.Tools.nullIsNotFound; |
| import static javax.ws.rs.core.Response.Status.NOT_FOUND; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.net.URI; |
| import java.net.URISyntaxException; |
| import java.util.UUID; |
| |
| import javax.ws.rs.Consumes; |
| import javax.ws.rs.DELETE; |
| import javax.ws.rs.GET; |
| import javax.ws.rs.POST; |
| import javax.ws.rs.PUT; |
| import javax.ws.rs.Path; |
| import javax.ws.rs.PathParam; |
| import javax.ws.rs.Produces; |
| import javax.ws.rs.core.MediaType; |
| import javax.ws.rs.core.Response; |
| |
| import org.onosproject.vtnrsc.FlowClassifier; |
| import org.onosproject.vtnrsc.FlowClassifierId; |
| import org.onosproject.rest.AbstractWebResource; |
| import org.onosproject.vtnrsc.flowclassifier.FlowClassifierService; |
| import org.onosproject.vtnweb.web.FlowClassifierCodec; |
| |
| import com.fasterxml.jackson.databind.ObjectMapper; |
| import com.fasterxml.jackson.databind.node.ObjectNode; |
| |
| /** |
| * Query and program flow classifier. |
| */ |
| @Path("flow_classifiers") |
| public class FlowClassifierWebResource extends AbstractWebResource { |
| |
| final FlowClassifierService service = get(FlowClassifierService.class); |
| final ObjectNode root = mapper().createObjectNode(); |
| public static final String FLOW_CLASSIFIER_NOT_FOUND = "Flow classifier not found"; |
| |
| /** |
| * Get all flow classifiers created. Returns list of all flow classifiers |
| * created. |
| * |
| * @return 200 OK |
| */ |
| @GET |
| @Produces(MediaType.APPLICATION_JSON) |
| public Response getFlowClassifiers() { |
| Iterable<FlowClassifier> flowClassifiers = service.getFlowClassifiers(); |
| ObjectNode result = new ObjectMapper().createObjectNode(); |
| result.set("flow_classifiers", new FlowClassifierCodec().encode(flowClassifiers, this)); |
| return ok(result.toString()).build(); |
| } |
| |
| /** |
| * Get details of a flow classifier. Returns details of a specified flow |
| * classifier id. |
| * |
| * @param id flow classifier id |
| * @return 200 OK |
| */ |
| @GET |
| @Path("{flow_id}") |
| @Produces(MediaType.APPLICATION_JSON) |
| public Response getFlowClassifier(@PathParam("flow_id") String id) { |
| |
| if (!service.hasFlowClassifier(FlowClassifierId.of(UUID.fromString(id)))) { |
| return Response.status(NOT_FOUND).entity(FLOW_CLASSIFIER_NOT_FOUND).build(); |
| } |
| FlowClassifier flowClassifier = nullIsNotFound( |
| service.getFlowClassifier(FlowClassifierId.of(UUID.fromString(id))), |
| FLOW_CLASSIFIER_NOT_FOUND); |
| |
| ObjectNode result = new ObjectMapper().createObjectNode(); |
| result.set("flow_classifier", new FlowClassifierCodec().encode(flowClassifier, this)); |
| return ok(result.toString()).build(); |
| } |
| |
| /** |
| * Creates and stores a new flow classifier. |
| * |
| * @param flowClassifierId flow classifier identifier |
| * @param stream flow classifier from JSON |
| * @return status of the request - CREATED if the JSON is correct, |
| * BAD_REQUEST if the JSON is invalid |
| */ |
| @POST |
| @Path("{flow_id}") |
| @Consumes(MediaType.APPLICATION_JSON) |
| @Produces(MediaType.APPLICATION_JSON) |
| public Response createFlowClassifier(@PathParam("flow_id") String flowClassifierId, InputStream stream) { |
| URI location; |
| try { |
| ObjectNode jsonTree = (ObjectNode) mapper().readTree(stream); |
| |
| FlowClassifier flowClassifier = codec(FlowClassifier.class).decode(jsonTree, this); |
| service.createFlowClassifier(flowClassifier); |
| location = new URI(flowClassifierId); |
| } catch (IOException | URISyntaxException ex) { |
| throw new IllegalArgumentException(ex); |
| } |
| return Response.created(location).build(); |
| } |
| |
| /** |
| * Creates and stores a new flow classifier. |
| * |
| * @param stream flow classifier from JSON |
| * @return status of the request - CREATED if the JSON is correct, |
| * BAD_REQUEST if the JSON is invalid |
| */ |
| @POST |
| @Consumes(MediaType.APPLICATION_JSON) |
| @Produces(MediaType.APPLICATION_JSON) |
| public Response createFlowClassifier(InputStream stream) { |
| URI location; |
| try { |
| ObjectNode jsonTree = (ObjectNode) mapper().readTree(stream); |
| |
| FlowClassifier flowClassifier = codec(FlowClassifier.class).decode(jsonTree, this); |
| service.createFlowClassifier(flowClassifier); |
| location = new URI(flowClassifier.flowClassifierId().toString()); |
| } catch (IOException | URISyntaxException ex) { |
| throw new IllegalArgumentException(ex); |
| } |
| return Response.created(location).build(); |
| } |
| |
| /** |
| * Update details of a flow classifier. Update details of a specified flow |
| * classifier id. |
| * |
| * @param id flow classifier id |
| * @param stream InputStream |
| * @return 200 OK |
| */ |
| @PUT |
| @Path("{flow_id}") |
| @Produces(MediaType.APPLICATION_JSON) |
| @Consumes(MediaType.APPLICATION_JSON) |
| public Response updateFlowClassifier(@PathParam("flow_id") String id, final InputStream stream) { |
| try { |
| ObjectNode jsonTree = (ObjectNode) mapper().readTree(stream); |
| FlowClassifier flowClassifier = codec(FlowClassifier.class).decode(jsonTree, this); |
| Boolean result = nullIsNotFound(service.updateFlowClassifier(flowClassifier), FLOW_CLASSIFIER_NOT_FOUND); |
| if (!result) { |
| return Response.status(204).entity(FLOW_CLASSIFIER_NOT_FOUND).build(); |
| } |
| return Response.status(203).entity(result.toString()).build(); |
| } catch (Exception e) { |
| return Response.status(INTERNAL_SERVER_ERROR).entity(e.toString()).build(); |
| } |
| } |
| |
| /** |
| * Delete details of a flow classifier. Delete details of a specified flow |
| * classifier id. |
| * |
| * @param id flow classifier id |
| * @return 200 OK |
| * @throws IOException when input doesn't match. |
| */ |
| @Path("{flow_id}") |
| @DELETE |
| public Response deleteFlowClassifier(@PathParam("flow_id") String id) throws IOException { |
| try { |
| FlowClassifierId flowClassifierId = FlowClassifierId.of(UUID.fromString(id)); |
| service.removeFlowClassifier(flowClassifierId); |
| return Response.status(201).entity("SUCCESS").build(); |
| } catch (Exception e) { |
| return Response.status(INTERNAL_SERVER_ERROR).entity(e.toString()).build(); |
| } |
| } |
| } |