| /* |
| * Copyright 2015-present Open Networking Foundation |
| * |
| * 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.OK; |
| import static org.onlab.util.Tools.nullIsNotFound; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| |
| 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.rest.AbstractWebResource; |
| import org.onosproject.vtnrsc.FlowClassifier; |
| import org.onosproject.vtnrsc.FlowClassifierId; |
| import org.onosproject.vtnrsc.flowclassifier.FlowClassifierService; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import com.fasterxml.jackson.databind.JsonNode; |
| import com.fasterxml.jackson.databind.node.ArrayNode; |
| import com.fasterxml.jackson.databind.node.ObjectNode; |
| |
| /** |
| * Query and program flow classifier. |
| */ |
| @Path("flow_classifiers") |
| public class FlowClassifierWebResource extends AbstractWebResource { |
| |
| private final Logger log = LoggerFactory.getLogger(FlowClassifierWebResource.class); |
| |
| public static final String FLOW_CLASSIFIER_NOT_FOUND = "Flow classifier not found"; |
| |
| /** |
| * Get all flow classifiers created. |
| * |
| * @return 200 OK |
| */ |
| @GET |
| @Consumes(MediaType.APPLICATION_JSON) |
| @Produces(MediaType.APPLICATION_JSON) |
| public Response getFlowClassifiers() { |
| Iterable<FlowClassifier> flowClassifiers = get(FlowClassifierService.class).getFlowClassifiers(); |
| ObjectNode result = mapper().createObjectNode(); |
| ArrayNode flowClassifierEntry = result.putArray("flow_classifiers"); |
| if (flowClassifiers != null) { |
| for (final FlowClassifier flowClassifier : flowClassifiers) { |
| flowClassifierEntry.add(codec(FlowClassifier.class).encode(flowClassifier, this)); |
| } |
| } |
| return ok(result.toString()).build(); |
| } |
| |
| /** |
| * Get details of a flow classifier. |
| * |
| * @param id |
| * flow classifier id |
| * @return 200 OK , 404 if given identifier does not exist |
| */ |
| @GET |
| @Path("{flow_id}") |
| @Consumes(MediaType.APPLICATION_JSON) |
| @Produces(MediaType.APPLICATION_JSON) |
| public Response getFlowClassifier(@PathParam("flow_id") String id) { |
| FlowClassifier flowClassifier = nullIsNotFound(get(FlowClassifierService.class) |
| .getFlowClassifier(FlowClassifierId.of(id)), FLOW_CLASSIFIER_NOT_FOUND); |
| |
| ObjectNode result = mapper().createObjectNode(); |
| result.set("flow_classifier", codec(FlowClassifier.class).encode(flowClassifier, this)); |
| |
| return ok(result.toString()).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) { |
| try { |
| ObjectNode jsonTree = (ObjectNode) mapper().readTree(stream); |
| JsonNode flow = jsonTree.get("flow_classifier"); |
| |
| FlowClassifier flowClassifier = codec(FlowClassifier.class).decode((ObjectNode) flow, this); |
| Boolean issuccess = nullIsNotFound(get(FlowClassifierService.class).createFlowClassifier(flowClassifier), |
| FLOW_CLASSIFIER_NOT_FOUND); |
| return Response.status(OK).entity(issuccess.toString()).build(); |
| } catch (IOException ex) { |
| log.error("Exception while creating flow classifier {}.", ex.toString()); |
| throw new IllegalArgumentException(ex); |
| } |
| } |
| |
| /** |
| * Update details of a flow classifier. |
| * |
| * @param id |
| * flow classifier id |
| * @param stream |
| * InputStream |
| * @return 200 OK, 404 if given identifier does not exist |
| */ |
| @PUT |
| @Path("{flow_id}") |
| @Produces(MediaType.APPLICATION_JSON) |
| @Consumes(MediaType.APPLICATION_JSON) |
| public Response updateFlowClassifier(@PathParam("flow_id") String id, final InputStream stream) { |
| try { |
| |
| JsonNode jsonTree = mapper().readTree(stream); |
| JsonNode flow = jsonTree.get("flow_classifier"); |
| FlowClassifier flowClassifier = codec(FlowClassifier.class).decode((ObjectNode) flow, this); |
| Boolean result = nullIsNotFound(get(FlowClassifierService.class).updateFlowClassifier(flowClassifier), |
| FLOW_CLASSIFIER_NOT_FOUND); |
| return Response.status(OK).entity(result.toString()).build(); |
| } catch (IOException e) { |
| log.error("Update flow classifier failed because of exception {}.", e.toString()); |
| throw new IllegalArgumentException(e); |
| } |
| } |
| |
| /** |
| * Delete details of a flow classifier. |
| * |
| * @param id flow classifier id |
| * @return 204 NO CONTENT |
| */ |
| @Path("{flow_id}") |
| @DELETE |
| @Produces(MediaType.APPLICATION_JSON) |
| @Consumes(MediaType.APPLICATION_JSON) |
| public Response deleteFlowClassifier(@PathParam("flow_id") String id) { |
| log.debug("Deletes flow classifier by identifier {}.", id); |
| FlowClassifierId flowClassifierId = FlowClassifierId.of(id); |
| Boolean issuccess = nullIsNotFound(get(FlowClassifierService.class).removeFlowClassifier(flowClassifierId), |
| FLOW_CLASSIFIER_NOT_FOUND); |
| return Response.noContent().build(); |
| } |
| } |