| /** |
| * 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 javax.ws.rs.core.HttpHeaders; |
| import javax.ws.rs.core.UriInfo; |
| |
| /** |
| * Factory for {@link Request} instances. |
| */ |
| public class RequestFactory { |
| /** |
| * Create a request instance. |
| * |
| * @param headers http headers |
| * @param uriInfo uri information |
| * @param requestType http request type |
| * @param resource associated resource instance |
| * |
| * @return a new Request instance |
| */ |
| public Request createRequest(HttpHeaders headers, String body, UriInfo uriInfo, Request.Type requestType, |
| ResourceInstance resource) { |
| switch (requestType) { |
| case GET: |
| return new GetRequest(headers, body, uriInfo, resource); |
| case PUT: |
| return new PutRequest(headers, body, uriInfo, resource); |
| case DELETE: |
| return new DeleteRequest(headers, body, uriInfo, resource); |
| case POST: |
| return (uriInfo.getQueryParameters().isEmpty() || body == null) ? |
| new PostRequest(headers, body, uriInfo, resource) : |
| new QueryPostRequest(headers, body, uriInfo, resource); |
| default: |
| throw new IllegalArgumentException("Invalid request type: " + requestType); |
| } |
| } |
| |
| } |