2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright © 2017 AT&T Intellectual Property.
6 * Copyright © 2017 Amdocs
8 * ================================================================================
9 * Licensed under the Apache License, Version 2.0 (the "License");
10 * you may not use this file except in compliance with the License.
11 * You may obtain a copy of the License at
13 * http://www.apache.org/licenses/LICENSE-2.0
15 * Unless required by applicable law or agreed to in writing, software
16 * distributed under the License is distributed on an "AS IS" BASIS,
17 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
18 * See the License for the specific language governing permissions and
19 * limitations under the License.
20 * ============LICENSE_END=========================================================
22 * ECOMP is a trademark and service mark of AT&T Intellectual Property.
24 package org.onap.crud.util;
27 import java.util.TimerTask;
29 public abstract class FileWatcher extends TimerTask {
30 private long timeStamp;
33 public FileWatcher(File file) {
35 this.timeStamp = file.lastModified();
38 public final void run() {
39 long timeStamp = file.lastModified();
41 if ((timeStamp - this.timeStamp) > 500) {
42 this.timeStamp = timeStamp;
47 protected abstract void onChange(File file);