//: io/ChannelCopy.java

package io; /* Added by Eclipse.py */

// Copying a file using channels and buffers

// {Args: ChannelCopy.java test.txt}

import java.nio.*;

import java.nio.channels.*;

import java.io.*;

public class ChannelCopy {

private static final int BSIZE = 1024;

public static void main(String[] args) throws Exception {

if(args.length != 2) {

System.out.println("arguments: sourcefile destfile");

System.exit(1);

}

FileChannel

in = new FileInputStream(args[0]).getChannel(),

out = new FileOutputStream(args[1]).getChannel();

ByteBuffer buffer = ByteBuffer.allocate(BSIZE);

while(in.read(buffer) != -1) {

buffer.flip(); // Prepare for writing

out.write(buffer);

buffer.clear(); // Prepare for reading

}

}

} ///:~