/********************************************************************************
* CruiseControl, a Continuous Integration Toolkit
* Copyright (c) 2006, ThoughtWorks, Inc.
* 200 E. Randolph, 25th Floor
* Chicago, IL 60601 USA
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* + Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* + Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
*
* + Neither the name of ThoughtWorks, Inc., CruiseControl, nor the
* names of its contributors may be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
********************************************************************************/
package net.sourceforge.cruisecontrol.logmanipulators;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.zip.GZIPOutputStream;
import net.sourceforge.cruisecontrol.util.IO;
import org.apache.log4j.Logger;
public class GZIPManipulator extends BaseManipulator {
private static final Logger LOG = Logger.getLogger(GZIPManipulator.class);
private static final int BUFFER_SIZE = 4 * 1024;
public void execute(String logDir) {
File[] filesToGZip = getRelevantFiles(logDir, false);
for (int i = 0; i < filesToGZip.length; i++) {
File file = filesToGZip[i];
gzipFile(file, logDir);
}
}
private void gzipFile(final File logfile, final String logDir) {
final String fileName = logfile.getName() + ".gz";
try {
final OutputStream out = new GZIPOutputStream(
new FileOutputStream(new File(logDir, fileName)));
try {
final InputStream in = new FileInputStream(logfile);
try {
int len;
final byte[] buffer = new byte[BUFFER_SIZE];
while ((len = in.read(buffer)) > 0) {
out.write(buffer, 0, len);
}
out.flush();
} finally {
// need to close the InputStream before delete(), otherwise fails on windows
IO.close(in);
}
} finally {
IO.close(out);
}
logfile.delete();
} catch (IOException e) {
LOG.warn("could not gzip " + logfile.getName() + ": " + e.getMessage(), e);
}
}
}
|