| /* |
| * Copyright 2015-present 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.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.PortChain; |
| import org.onosproject.vtnrsc.PortChainId; |
| import org.onosproject.vtnrsc.portchain.PortChainService; |
| 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 port chain. |
| */ |
| |
| @Path("port_chains") |
| public class PortChainWebResource extends AbstractWebResource { |
| |
| private final Logger log = LoggerFactory.getLogger(PortChainWebResource.class); |
| public static final String PORT_CHAIN_NOT_FOUND = "Port chain not found"; |
| public static final String PORT_CHAIN_ID_EXIST = "Port chain exists"; |
| public static final String PORT_CHAIN_ID_NOT_EXIST = "Port chain does not exist with identifier"; |
| |
| /** |
| * Get details of all port chains created. |
| * |
| * @return 200 OK |
| */ |
| @GET |
| @Produces(MediaType.APPLICATION_JSON) |
| public Response getPortChains() { |
| Iterable<PortChain> portChains = get(PortChainService.class).getPortChains(); |
| ObjectNode result = mapper().createObjectNode(); |
| ArrayNode portChainEntry = result.putArray("port_chains"); |
| if (portChains != null) { |
| for (final PortChain portChain : portChains) { |
| portChainEntry.add(codec(PortChain.class).encode(portChain, this)); |
| } |
| } |
| return ok(result.toString()).build(); |
| } |
| |
| /** |
| * Get details of a specified port chain id. |
| * |
| * @param id port chain id |
| * @return 200 OK, 404 if given identifier does not exist |
| */ |
| @GET |
| @Path("{chain_id}") |
| @Produces(MediaType.APPLICATION_JSON) |
| public Response getPortPain(@PathParam("chain_id") String id) { |
| |
| PortChain portChain = nullIsNotFound(get(PortChainService.class).getPortChain(PortChainId.of(id)), |
| PORT_CHAIN_NOT_FOUND); |
| ObjectNode result = mapper().createObjectNode(); |
| result.set("port_chain", codec(PortChain.class).encode(portChain, this)); |
| return ok(result.toString()).build(); |
| } |
| |
| /** |
| * Creates a new port chain. |
| * |
| * @param stream port chain 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 createPortChain(InputStream stream) { |
| try { |
| ObjectNode jsonTree = (ObjectNode) mapper().readTree(stream); |
| JsonNode port = jsonTree.get("port_chain"); |
| PortChain portChain = codec(PortChain.class).decode((ObjectNode) port, this); |
| Boolean issuccess = nullIsNotFound(get(PortChainService.class).createPortChain(portChain), |
| PORT_CHAIN_NOT_FOUND); |
| return Response.status(OK).entity(issuccess.toString()).build(); |
| } catch (IOException e) { |
| log.error("Exception while creating port chain {}.", e.toString()); |
| throw new IllegalArgumentException(e); |
| } |
| } |
| |
| /** |
| * Update details of a specified port chain id. |
| * |
| * @param id port chain id |
| * @param stream port chain json |
| * @return 200 OK, 404 if given identifier does not exist |
| */ |
| @PUT |
| @Path("{chain_id}") |
| @Produces(MediaType.APPLICATION_JSON) |
| @Consumes(MediaType.APPLICATION_JSON) |
| public Response updatePortPain(@PathParam("chain_id") String id, |
| final InputStream stream) { |
| try { |
| ObjectNode jsonTree = (ObjectNode) mapper().readTree(stream); |
| JsonNode port = jsonTree.get("port_chain"); |
| PortChain portChain = codec(PortChain.class).decode((ObjectNode) port, this); |
| Boolean result = nullIsNotFound(get(PortChainService.class).updatePortChain(portChain), |
| PORT_CHAIN_NOT_FOUND); |
| return Response.status(OK).entity(result.toString()).build(); |
| } catch (IOException e) { |
| log.error("Update port chain failed because of exception {}.", e.toString()); |
| throw new IllegalArgumentException(e); |
| } |
| } |
| |
| /** |
| * Delete details of a specified port chain id. |
| * |
| * @param id port chain id |
| */ |
| @Path("{chain_id}") |
| @DELETE |
| public void deletePortPain(@PathParam("chain_id") String id) { |
| log.debug("Deletes port chain by identifier {}.", id); |
| PortChainId portChainId = PortChainId.of(id); |
| |
| Boolean issuccess = nullIsNotFound(get(PortChainService.class).removePortChain(portChainId), |
| PORT_CHAIN_NOT_FOUND); |
| if (!issuccess) { |
| log.debug("Port Chain identifier {} does not exist", id); |
| } |
| } |
| } |