2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright © 2017-2018 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 package org.onap.aai.util;
22 import java.text.DateFormat;
23 import java.text.SimpleDateFormat;
24 import java.util.Collections;
25 import java.util.Date;
26 import java.util.TimeZone;
28 public class AAIUtils {
33 * @param <T> the generic type
34 * @param iterable the iterable
35 * @return the iterable
37 public static <T> Iterable<T> nullCheck(Iterable<T> iterable) {
38 return iterable == null ? Collections.<T>emptyList() : iterable;
46 public static String genDate() {
47 Date date = new Date();
48 DateFormat formatter = new SimpleDateFormat("YYMMdd-HH:mm:ss:SSS");
49 formatter.setTimeZone(TimeZone.getTimeZone("GMT"));
50 return formatter.format(date);