/*
|
* The contents of this file are subject to the terms of the Common Development and
|
* Distribution License (the License). You may not use this file except in compliance with the
|
* License.
|
*
|
* You can obtain a copy of the License at legal/CDDLv1.0.txt. See the License for the
|
* specific language governing permission and limitations under the License.
|
*
|
* When distributing Covered Software, include this CDDL Header Notice in each file and include
|
* the License file at legal/CDDLv1.0.txt. If applicable, add the following below the CDDL
|
* Header, with the fields enclosed by brackets [] replaced by your own identifying
|
* information: "Portions Copyright [year] [name of copyright owner]".
|
*
|
* Copyright 2006-2008 Sun Microsystems, Inc.
|
* Portions Copyright 2014-2016 ForgeRock AS.
|
*/
|
package org.opends.server.loggers;
|
|
import java.io.File;
|
import java.io.FileInputStream;
|
import java.io.FileOutputStream;
|
import java.io.IOException;
|
import java.util.zip.GZIPOutputStream;
|
|
import org.forgerock.i18n.slf4j.LocalizedLogger;
|
|
/**
|
* This class implements a post rotation action that compresses
|
* the file using GZIP compression.
|
*/
|
class GZIPAction implements PostRotationAction
|
{
|
|
private static final LocalizedLogger logger = LocalizedLogger.getLoggerForThisClass();
|
|
|
private File originalFile;
|
private File newFile;
|
private boolean deleteOriginal;
|
|
/**
|
* Create the action based on the original file, the new file after
|
* compression and whether the original file should be deleted.
|
*
|
* @param origFile The source file name to compress.
|
* @param newFile The compressed file name.
|
* @param deleteOrig Whether the source file should be deleted after
|
* compression or not.
|
*/
|
GZIPAction(String origFile, String newFile, boolean deleteOrig)
|
{
|
this.originalFile = new File(origFile);
|
this.newFile = new File(newFile);
|
this.deleteOriginal = deleteOrig;
|
}
|
|
/**
|
* The compression action that is executed. Returns true if the
|
* compression succeeded and false otherwise.
|
*
|
* @return <CODE>true</CODE> if the compression succeeded, or
|
* <CODE>false</CODE> if it did not.
|
*/
|
@Override
|
public boolean execute()
|
{
|
try
|
{
|
if(!originalFile.exists())
|
{
|
System.err.println("Source file does not exist:" + originalFile);
|
return false;
|
}
|
|
try (FileInputStream fis = new FileInputStream(originalFile);
|
FileOutputStream fos = new FileOutputStream(newFile);
|
GZIPOutputStream gzip = new GZIPOutputStream(fos);)
|
{
|
byte[] buf = new byte[8192];
|
int n;
|
while ((n = fis.read(buf)) != -1)
|
{
|
gzip.write(buf, 0, n);
|
}
|
}
|
|
if(deleteOriginal && !originalFile.delete())
|
{
|
System.err.println("Cannot delete original file:" + originalFile);
|
return false;
|
}
|
|
return true;
|
} catch(IOException ioe)
|
{
|
logger.traceException(ioe);
|
return false;
|
}
|
}
|
}
|
