2 * ============LICENSE_START=======================================================
3 * Copyright (C) 2021 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.policy.clamp.controlloop.runtime.main.web;
23 import java.io.IOException;
24 import java.util.UUID;
25 import javax.servlet.Filter;
26 import javax.servlet.FilterChain;
27 import javax.servlet.ServletException;
28 import javax.servlet.ServletRequest;
29 import javax.servlet.ServletResponse;
30 import javax.servlet.http.HttpServletRequest;
31 import javax.servlet.http.HttpServletResponse;
32 import org.springframework.core.annotation.Order;
33 import org.springframework.stereotype.Component;
37 public class RequestResponseLoggingFilter implements Filter {
39 private static final String VERSION_MINOR_NAME = "X-MinorVersion";
40 private static final String VERSION_PATCH_NAME = "X-PatchVersion";
41 private static final String VERSION_LATEST_NAME = "X-LatestVersion";
42 public static final String API_VERSION = "1.0.0";
43 public static final String REQUEST_ID_NAME = "X-ONAP-RequestID";
46 public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
47 throws IOException, ServletException {
50 HttpServletResponse res = (HttpServletResponse) response;
51 HttpServletRequest req = (HttpServletRequest) request;
53 String requestId = req.getHeader(REQUEST_ID_NAME);
54 res.addHeader(REQUEST_ID_NAME, requestId != null ? requestId : UUID.randomUUID().toString());
56 res.addHeader(VERSION_MINOR_NAME, "0");
57 res.addHeader(VERSION_PATCH_NAME, "0");
58 res.addHeader(VERSION_LATEST_NAME, API_VERSION);
60 chain.doFilter(request, response);