2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
6 * ================================================================================
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 * ============LICENSE_END=========================================================
21 package org.onap.aai.interceptors.pre;
23 import java.io.IOException;
24 import java.util.Collections;
25 import java.util.regex.Matcher;
26 import java.util.regex.Pattern;
28 import javax.annotation.Priority;
29 import javax.servlet.http.HttpServletRequest;
30 import javax.ws.rs.container.ContainerRequestContext;
31 import javax.ws.rs.container.ContainerRequestFilter;
32 import javax.ws.rs.container.PreMatching;
33 import javax.ws.rs.core.MultivaluedMap;
35 import org.onap.aai.interceptors.AAIContainerFilter;
36 import org.onap.aai.interceptors.AAIHeaderProperties;
37 import org.springframework.beans.factory.annotation.Autowired;
40 @Priority(AAIRequestFilterPriority.HEADER_MANIPULATION)
41 public class RequestHeaderManipulation extends AAIContainerFilter implements ContainerRequestFilter {
44 private HttpServletRequest httpServletRequest;
46 private static final Pattern versionedEndpoint = Pattern.compile("^/aai/(v\\d+)");
49 public void filter(ContainerRequestContext requestContext) throws IOException {
51 String uri = httpServletRequest.getRequestURI();
52 this.addRequestContext(uri, requestContext.getHeaders());
56 private void addRequestContext(String uri, MultivaluedMap<String, String> requestHeaders) {
60 Matcher match = versionedEndpoint.matcher(uri);
65 if (requestHeaders.containsKey(AAIHeaderProperties.REQUEST_CONTEXT)) {
66 requestHeaders.remove(AAIHeaderProperties.REQUEST_CONTEXT);
68 requestHeaders.put(AAIHeaderProperties.REQUEST_CONTEXT, Collections.singletonList(rc));