59 lines
1.7 KiB
Java
59 lines
1.7 KiB
Java
package org.moparscape.msc.gs.util;
|
|
|
|
import java.io.File;
|
|
import java.io.FileInputStream;
|
|
import java.io.FileOutputStream;
|
|
import java.io.IOException;
|
|
import java.util.zip.GZIPInputStream;
|
|
import java.util.zip.GZIPOutputStream;
|
|
|
|
public class DefCompressor {
|
|
|
|
public static void compressFile(File f) throws IOException {
|
|
File target = new File(f.toString() + ".gz");
|
|
System.out.print("Compressing: " + f.getName() + ".. ");
|
|
long initialSize = f.length();
|
|
FileInputStream fis = new FileInputStream(f);
|
|
GZIPOutputStream out = new GZIPOutputStream(
|
|
new FileOutputStream(target));
|
|
byte[] buf = new byte[1024];
|
|
int read;
|
|
while ((read = fis.read(buf)) != -1) {
|
|
out.write(buf, 0, read);
|
|
}
|
|
Logger.println("Done.");
|
|
fis.close();
|
|
out.close();
|
|
long endSize = target.length();
|
|
Logger.println("Initial size: " + initialSize + "; Compressed size: "
|
|
+ endSize);
|
|
}
|
|
|
|
public static void decompressFile(File f) throws IOException {
|
|
File target = new File(f.toString().substring(0,
|
|
f.toString().length() - 3));
|
|
System.out.print("Decompressing: " + f.getName() + ".. ");
|
|
long initialSize = f.length();
|
|
GZIPInputStream in = new GZIPInputStream(new FileInputStream(f));
|
|
FileOutputStream fos = new FileOutputStream(target);
|
|
byte[] buf = new byte[1024];
|
|
int read;
|
|
while ((read = in.read(buf)) != -1) {
|
|
fos.write(buf, 0, read);
|
|
}
|
|
Logger.println("Done.");
|
|
fos.close();
|
|
in.close();
|
|
long endSize = target.length();
|
|
Logger.println("Initial size: " + initialSize + "; Decompressed size: "
|
|
+ endSize);
|
|
}
|
|
|
|
public static void main(String[] argv) throws Exception {
|
|
if (argv[0].equals("compress"))
|
|
compressFile(new File(argv[1]));
|
|
if (argv[0].equals("decompress"))
|
|
decompressFile(new File(argv[1]));
|
|
}
|
|
}
|