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/**
* ============LICENSE_START=======================================================
* org.onap.aai
* ================================================================================
* Copyright © 2017-2018 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Licensed 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.
* ============LICENSE_END=========================================================
*/
package org.onap.aai.util;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.apache.cxf.message.Message;
import org.apache.cxf.phase.PhaseInterceptorChain;
import org.onap.aai.exceptions.AAIException;
public class AAIApiVersion {
private static final Pattern versionPattern = Pattern.compile("(^|\\/)(v\\d+)\\/");
private static final Pattern latestVersionPattern = Pattern.compile("(^|\\/)(latest)\\/");
/**
* Gets the.
*
* @return the string
* @throws AAIException the AAI exception
*/
public static String get() throws AAIException {
String apiVersion = null;
try {
Message message = PhaseInterceptorChain.getCurrentMessage();
String requestURI = (String) message.get(Message.REQUEST_URI);
if (requestURI != null) {
Matcher matcher = versionPattern.matcher(requestURI);
if (matcher.find() && matcher.groupCount() >= 2) {
apiVersion = matcher.group(2);
}
if (apiVersion == null) {
Matcher latestMatcher = latestVersionPattern.matcher(requestURI);
if (latestMatcher.find() && latestMatcher.groupCount() >= 2) {
apiVersion = AAIConfig.get(AAIConstants.AAI_DEFAULT_API_VERSION_PROP, AAIConstants.AAI_DEFAULT_API_VERSION);
}
}
}
} catch (Exception e) {
// TODO: we may want to log an error here
}
// TODO: should this check the value a little closer and look for a pattern?
if (apiVersion == null || !apiVersion.startsWith("v")) {
apiVersion = AAIConfig.get (AAIConstants.AAI_DEFAULT_API_VERSION_PROP, AAIConstants.AAI_DEFAULT_API_VERSION);
//apiVersion = AAIConstants.AAI_DEFAULT_API_VERSION;
}
return apiVersion;
}
}
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