/usr/share/doc/libjbzip2-java/examples/demo/Compress.java is in libjbzip2-java 0.9.1-3.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 | /*
* Copyright (c) 2011 Matthew Francis
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package demo;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
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 org.itadaki.bzip2.BZip2OutputStream;
/**
* A BZip2 file compressor. For demonstration purposes only
*/
public class Compress {
/**
* @param args
* @throws IOException
*/
public static void main (String[] args) throws IOException {
if (args.length == 0) {
System.err.println ("Demonstration BZip2 compressor\n\nUsage:\n java demo.Compress <filename>\n");
System.exit (1);
}
File inputFile = new File (args[0]);
if (!inputFile.exists() || !inputFile.canRead()) {
System.err.println ("Cannot read file " + inputFile.getPath());
System.exit (1);
}
File outputFile = new File (args[0] + ".bz2");
if (outputFile.exists()) {
System.err.println ("File " + outputFile.getPath() + " already exists");
System.exit (1);
}
InputStream fileInputStream = new BufferedInputStream (new FileInputStream (inputFile));
OutputStream fileOutputStream = new BufferedOutputStream (new FileOutputStream (outputFile), 524288);
BZip2OutputStream outputStream = new BZip2OutputStream (fileOutputStream);
byte[] buffer = new byte [524288];
int bytesRead;
while ((bytesRead = fileInputStream.read (buffer)) != -1) {
outputStream.write (buffer, 0, bytesRead);
}
outputStream.close();
}
}
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