Copy File using Java NIO
// faster file copy using java NIO
public static void fileCopy( File in, File out ) throws IOException {
FileChannel inChannel = new FileInputStream( in ).getChannel();
FileChannel outChannel = new FileOutputStream( out ).getChannel();
try {
// magic number for Windows, 64Mb - 32Kb)
int maxCount = (64 * 1024 * 1024) - (32 * 1024);
long size = inChannel.size();
long position = 0;
while ( position < size ) {
position += inChannel.transferTo( position, maxCount, outChannel );
}
} finally {
if ( inChannel != null ) { inChannel.close(); }
if ( outChannel != null ) { outChannel.close(); }
}
}
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