Hexdump.java

package net.sf.nmedit.jnmprotocol2.utils;

public class Hexdump {
	public static void printHex(byte[] b) {
		for (int i = 0; i < b.length; ++i) {
			if (i % 16 == 0) {
				System.out.print (Integer.toHexString ((i & 0xFFFF) | 0x10000).substring(1,5) + " - ");
			}
			System.out.print (Integer.toHexString((b[i]&0xFF) | 0x100).substring(1,3) + " ");
			if (i % 16 == 15 || i == b.length - 1)
			{
				int j;
				for (j = 16 - i % 16; j > 1; --j)
					System.out.print ("   ");
				System.out.print (" - ");
				int start = (i / 16) * 16;
				int end = (b.length < i + 1) ? b.length : (i + 1);
				for (j = start; j < end; ++j)
					if (b[j] >= 32 && b[j] <= 126)
						System.out.print ((char)b[j]);
					else
						System.out.print (".");
				System.out.println ();
			}
		}
		System.out.println();
	}
}