public String
getText(int val) {
	check(val);
	String str = (String) values.get(toInteger(val));
	if (str != null)
		return str;
	str = Integer.toString(val);
	if (prefix != null)
		return prefix + str;
	return str;
}
Gets the text mnemonic corresponding to a numeric value.
@param val The numeric value
@return The corresponding text mnemonic.
src/main/java/core/org/xbill/DNS/Mnemonic.java