private void validateDN(String[] args, int i) {
		if (args.length < (i + 1)) {
			displayUsage("Invalid usage!");
			System.exit(-1);
		}
		String dn = args[i];
		try {
			X500Principal x500User = new X500Principal(dn);
			args[i] = "\"" + x500User.getName() + "\"";
		}
		catch (Exception e) {
			Msg.error(CommandProcessor.class, "Invalid DN: " + dn);
			System.exit(-1);
		}
	}
Validate properly formatted Distinguished Name as command arg
Example:  'CN=Doe John, OU=X, OU=Y, OU=DoD, O=U.S. Government, C=US'
@param args command args
@param i argument index
Ghidra/Features/GhidraServer/src/main/java/ghidra/server/ServerAdmin.java