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/*******************************************************************************
* ============LICENSE_START==================================================
* * org.onap.dmaap
* * ===========================================================================
* * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
* * ===========================================================================
* * 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.onap.dmaap.datarouter.provisioning.utils;
import com.att.eelf.configuration.EELFLogger;
import com.att.eelf.configuration.EELFManager;
import java.io.File;
import java.io.IOException;
import java.nio.file.Files;
import java.util.Objects;
import java.util.Properties;
import java.util.TimerTask;
import org.onap.dmaap.datarouter.provisioning.ProvRunner;
/**
* This class provides a {@link TimerTask} that purges old logfiles (older than the number of days specified by the
* org.onap.dmaap.datarouter.provserver.logretention property).
*
* @author Robert Eby
* @version $Id: PurgeLogDirTask.java,v 1.2 2013/07/05 13:48:05 eby Exp $
*/
public class PurgeLogDirTask extends TimerTask {
private static final long ONEDAY = 86400000L;
private final String logdir;
private final long interval;
private EELFLogger utilsLogger;
/**
* PurgeLogDirTask constructor.
*/
public PurgeLogDirTask() {
Properties prop = ProvRunner.getProvProperties();
logdir = prop.getProperty("org.onap.dmaap.datarouter.provserver.accesslog.dir");
String str = prop.getProperty("org.onap.dmaap.datarouter.provserver.logretention", "30");
this.utilsLogger = EELFManager.getInstance().getLogger("UtilsLog");
long retention = 30;
try {
retention = Long.parseLong(str);
} catch (NumberFormatException e) {
// ignore
}
interval = retention * ONEDAY;
}
@Override
public void run() {
try {
File dir = new File(logdir);
if (dir.exists()) {
purgeLogFiles(dir);
}
} catch (Exception e) {
utilsLogger.error("Exception: " + e.getMessage(), e);
}
}
private void purgeLogFiles(File dir) {
long exptime = System.currentTimeMillis() - interval;
for (File logfile : Objects.requireNonNull(dir.listFiles())) {
if (logfile.lastModified() < exptime) {
try {
Files.delete(logfile.toPath());
} catch (IOException e) {
utilsLogger.error("Failed to delete file: " + logfile.getPath(), e);
}
}
}
}
}
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