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      1 // Copyright (c) 2004 Brian Wellington (bwelling (at) xbill.org)
      2 
      3 package org.xbill.DNS;
      4 
      5 /**
      6  * Constants and functions relating to EDNS flags.
      7  *
      8  * @author Brian Wellington
      9  */
     10 
     11 public final class ExtendedFlags {
     12 
     13 private static Mnemonic extflags = new Mnemonic("EDNS Flag",
     14 						Mnemonic.CASE_LOWER);
     15 
     16 /** dnssec ok */
     17 public static final int DO		= 0x8000;
     18 
     19 static {
     20 	extflags.setMaximum(0xFFFF);
     21 	extflags.setPrefix("FLAG");
     22 	extflags.setNumericAllowed(true);
     23 
     24 	extflags.add(DO, "do");
     25 }
     26 
     27 private
     28 ExtendedFlags() {}
     29 
     30 /** Converts a numeric extended flag into a String */
     31 public static String
     32 string(int i) {
     33 	return extflags.getText(i);
     34 }
     35 
     36 /**
     37  * Converts a textual representation of an extended flag into its numeric
     38  * value
     39  */
     40 public static int
     41 value(String s) {
     42 	return extflags.getValue(s);
     43 }
     44 
     45 }
     46