Java sample code for using AlphaRNG device with Entropy Server

import java.io.IOException;
import java.io.RandomAccessFile;
import java.nio.ByteBuffer;

/**
 * 
 * A sample Java application that demonstrates how to connect to Entropy Server
 * in Windows for retrieving random bytes from AlphaRNG device.
 * 
 *
 */
public class TestAlphaRNGPipe {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		RandomAccessFile pipe = null;
		try {
			// Connect to Entropy Server pipe
			pipe = new RandomAccessFile("\\\\.\\pipe\\AlphaRNG", "rw");
			// Send request to Entropy Server pipe to retrieve 10 random bytes.
			// Request bytes should be sent at once with no delay in between.
			pipe.write(createPipeRequest(10));
			// Read 10 random bytes from the response.
			// Random bytes should be received at once with no delay in between.
			byte[] bytesToReceive = new byte[10];
			int retrievedCount = pipe.read(bytesToReceive);
			System.out.println("retrieved : " + retrievedCount
					+ " random bytes from entropy server: ");
			for (int i = 0; i < retrievedCount; i++) {
				System.out.println("random byte " + i + ": "
						+ bytesToReceive[i]);
			}
		} catch (Exception e) {
			e.printStackTrace();
		} finally {
			if (pipe != null) {
				try {
					pipe.close();
				} catch (IOException e) {
					// TODO Auto-generated catch block
					e.printStackTrace();
				}
			}
		}
	}

	/**
	 * Create a request for Entropy Server
	 * 
	 * @param byteCount
	 * @return
	 */
	private static byte[] createPipeRequest(int byteCount) {
		byte[] commandBytes = new byte[8];
		byte[] bytes = ByteBuffer.allocate(4).putInt(byteCount).array();
		int d = 4;
		for (int i = 3; i >= 0; i--) {
			commandBytes[d++] = bytes[i];
		}
		return commandBytes;
	}
}