2 * ============LICENSE_START=======================================================
3 * Copyright (C) 2019 Nordix Foundation.
4 * ================================================================================
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
17 * SPDX-License-Identifier: Apache-2.0
18 * ============LICENSE_END=========================================================
21 package org.onap.sdnc.northbound.restadpter;
23 import com.google.common.base.Optional;
27 * An interface to wrap the generic HTTP methods
29 * @author lathishbabu.ganesan@est.tech
32 public interface RestAdapter {
35 * Retrieve a representation by doing a GET on the specified URL. The response (if any) is
36 * converted and returned.
39 * @param clazz responseType the type of the return value
40 * @return the converted object
43 <T> Optional<T> get(final String url, final Class<?> clazz);
46 * Create or update a resource by PUTting the given object to the URI.
49 * @param request the String to be PUT (may be {@code null})
50 * @return the response code
52 <T> Optional<T> put(final String url, final String body);
55 * Delete resource for the given object to the URI.
58 * @return the response code
60 <T> Optional<T> delete(final String url);