Mega Code Archive
Copy ALL available data from one stream into another with Channel
<![CDATA[
/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
//package org.mbari.util;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.nio.ByteBuffer;
import java.nio.channels.Channels;
import java.nio.channels.ReadableByteChannel;
import java.nio.channels.WritableByteChannel;
/**
*
* @author brian
*/
public class IOUtilities {
/**
* Copy ALL available data from one stream into another
* @param in
* @param out
* @throws IOException
*/
public static void copy(InputStream in, OutputStream out) throws IOException {
ReadableByteChannel source = Channels.newChannel(in);
WritableByteChannel target = Channels.newChannel(out);
ByteBuffer buffer = ByteBuffer.allocate(16 * 1024);
while (source.read(buffer) != -1) {
buffer.flip(); // Prepare the buffer to be drained
while (buffer.hasRemaining()) {
target.write(buffer);
}
buffer.clear(); // Empty buffer to get ready for filling
}
source.close();
target.close();
}
}
]]>