| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.apache.ambari.server.api.services; |
| |
| import org.apache.ambari.server.api.resources.ResourceInstance; |
| import org.apache.ambari.server.controller.spi.Resource; |
| |
| 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.Context; |
| import javax.ws.rs.core.HttpHeaders; |
| import javax.ws.rs.core.Response; |
| import javax.ws.rs.core.UriInfo; |
| import java.util.Collections; |
| |
| /** |
| * DR feed service. |
| */ |
| @Path("/feeds/") |
| public class FeedService extends BaseService { |
| |
| /** |
| * Handles: GET /feeds/{feedName} |
| * Get a specific feed. |
| * |
| * @param headers http headers |
| * @param ui uri info |
| * @param feedName feed id |
| * @return feed instance representation |
| */ |
| @GET |
| @Path("{feedName}") |
| @Produces("text/plain") |
| public Response getFeed(@Context HttpHeaders headers, @Context UriInfo ui, |
| @PathParam("feedName") String feedName) { |
| |
| return handleRequest(headers, null, ui, Request.Type.GET, createFeedResource(feedName)); |
| } |
| |
| /** |
| * Handles: GET /feeds |
| * Get all feeds. |
| * |
| * @param headers http headers |
| * @param ui uri info |
| * @return feed collection resource representation |
| */ |
| @GET |
| @Produces("text/plain") |
| public Response getFeeds(@Context HttpHeaders headers, @Context UriInfo ui) { |
| return handleRequest(headers, null, ui, Request.Type.GET, createFeedResource(null)); |
| } |
| |
| /** |
| * Handles: POST /feeds/{feedName} |
| * Create a specific feed. |
| * |
| * @param headers http headers |
| * @param ui uri info |
| * @param feedName feed id |
| * @return information regarding the created feed |
| */ |
| @POST |
| @Path("{feedName}") |
| @Produces("text/plain") |
| public Response createFeed(String body, @Context HttpHeaders headers, @Context UriInfo ui, |
| @PathParam("feedName") String feedName) { |
| |
| return handleRequest(headers, body, ui, Request.Type.POST, createFeedResource(feedName)); |
| } |
| |
| /** |
| * Handles: PUT /feeds/{feedName} |
| * Update a specific feed. |
| * |
| * @param headers http headers |
| * @param ui uri info |
| * @param feedName feed id |
| * @return information regarding the updated feed |
| */ |
| @PUT |
| @Path("{feedName}") |
| @Produces("text/plain") |
| public Response updateFeed(String body, @Context HttpHeaders headers, @Context UriInfo ui, |
| @PathParam("feedName") String feedName) { |
| |
| return handleRequest(headers, body, ui, Request.Type.PUT, createFeedResource(feedName)); |
| } |
| |
| /** |
| * Handles: DELETE /feeds/{feedName} |
| * Delete a specific feed. |
| * |
| * @param headers http headers |
| * @param ui uri info |
| * @param feedName feed id |
| * @return information regarding the deleted feed |
| */ |
| @DELETE |
| @Path("{feedName}") |
| @Produces("text/plain") |
| public Response deleteFeed(@Context HttpHeaders headers, @Context UriInfo ui, |
| @PathParam("feedName") String feedName) { |
| |
| return handleRequest(headers, null, ui, Request.Type.DELETE, createFeedResource(feedName)); |
| } |
| |
| /** |
| * Get the instances sub-resource |
| * |
| * @param feedName feed id |
| * @return the instances service |
| */ |
| @Path("{feedName}/instances") |
| public InstanceService getHostHandler(@PathParam("feedName") String feedName) { |
| return new InstanceService(feedName); |
| } |
| |
| /** |
| * Create a feed resource instance. |
| * |
| * @param feedName feed name |
| * |
| * @return a feed resource instance |
| */ |
| ResourceInstance createFeedResource(String feedName) { |
| return createResource(Resource.Type.DRFeed, |
| Collections.singletonMap(Resource.Type.DRFeed, feedName)); |
| } |
| } |