2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright © 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=========================================================
20 * ECOMP is a trademark and service mark of AT&T Intellectual Property.
22 package org.onap.aai.util;
24 import java.util.regex.Matcher;
25 import java.util.regex.Pattern;
27 import org.apache.cxf.message.Message;
28 import org.apache.cxf.phase.PhaseInterceptorChain;
30 import org.onap.aai.exceptions.AAIException;
32 public class AAIApiVersion {
34 private static final Pattern versionPattern = Pattern.compile("(^|\\/)(v\\d+)\\/");
36 private static final Pattern latestVersionPattern = Pattern.compile("(^|\\/)(latest)\\/");
42 * @throws AAIException the AAI exception
44 public static String get() throws AAIException {
46 String apiVersion = null;
48 Message message = PhaseInterceptorChain.getCurrentMessage();
49 String requestURI = (String) message.get(Message.REQUEST_URI);
51 if (requestURI != null) {
52 Matcher matcher = versionPattern.matcher(requestURI);
53 if (matcher.find() && matcher.groupCount() >= 2) {
54 apiVersion = matcher.group(2);
56 if (apiVersion == null) {
57 Matcher latestMatcher = latestVersionPattern.matcher(requestURI);
58 if (latestMatcher.find() && latestMatcher.groupCount() >= 2) {
59 apiVersion = AAIConfig.get(AAIConstants.AAI_DEFAULT_API_VERSION_PROP, AAIConstants.AAI_DEFAULT_API_VERSION);
65 } catch (Exception e) {
66 // TODO: we may want to log an error here
68 // TODO: should this check the value a little closer and look for a pattern?
69 if (apiVersion == null || !apiVersion.startsWith("v")) {
70 apiVersion = AAIConfig.get (AAIConstants.AAI_DEFAULT_API_VERSION_PROP, AAIConstants.AAI_DEFAULT_API_VERSION);
71 //apiVersion = AAIConstants.AAI_DEFAULT_API_VERSION;