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.openecomp.aai.util;
23 import java.text.DateFormat;
24 import java.text.SimpleDateFormat;
25 import java.util.Collections;
26 import java.util.Date;
27 import java.util.TimeZone;
29 public class AAIUtils {
34 * @param <T> the generic type
35 * @param iterable the iterable
36 * @return the iterable
38 public static <T> Iterable<T> nullCheck(Iterable<T> iterable) {
39 return iterable == null ? Collections.<T>emptyList() : iterable;
47 public static String genDate() {
48 Date date = new Date();
49 DateFormat formatter = new SimpleDateFormat("YYMMdd-HH:mm:ss:SSS");
50 formatter.setTimeZone(TimeZone.getTimeZone("GMT"));
51 return formatter.format(date);