-/**
- * ============LICENSE_START=======================================================
- * org.onap.aai
- * ================================================================================
- * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
- * Copyright © 2017 Amdocs
- * ================================================================================
- * 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=========================================================
- *
- * ECOMP is a trademark and service mark of AT&T Intellectual Property.
- */
-package org.openecomp.datarouter.util;
-
-import java.io.File;
-import java.util.TimerTask;
-
-public abstract class FileWatcher extends TimerTask {
- private long timeStamp;
- private File file;
-
- public FileWatcher(File file) {
- this.file = file;
- this.timeStamp = file.lastModified();
- }
-
- @Override
- public final void run() {
- long newTimeStamp = file.lastModified();
-
- if ((newTimeStamp - this.timeStamp) > 500) {
- this.timeStamp = newTimeStamp;
- onChange(file);
- }
- }
-
- protected abstract void onChange(File file);
-}