2 * Copyright 2018 ZTE Corporation.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
16 package org.onap.holmes.common.utils.transactionid;
18 import lombok.extern.slf4j.Slf4j;
20 import java.util.regex.Matcher;
21 import java.util.regex.Pattern;
24 public class TransactionIdUtils {
25 public static final String REQUEST_ID_HEADER = "X-TransactionID";
26 public static final String INVOCATIONIDID_HEADER = "X-InvocationID";
27 private static final Pattern UUID_PATTERN = Pattern.compile("[0-9a-f]{8}(-[0-9a-f]{4}){3}-[0-9a-f]{12}");
29 public static String getUUID() {
30 return java.util.UUID.randomUUID().toString();
33 public static boolean validate(String uuid) {
34 Matcher matcher = UUID_PATTERN.matcher(uuid);
35 return matcher.matches();