extendedflags.java

来自「linux下建立JAVA虚拟机的源码KAFFE」· Java 代码 · 共 46 行

// Copyright (c) 2004 Brian Wellington ([e-mail])

package org.xbill.DNS;

/**
 * Constants and functions relating to EDNS flags.
 *
 * @author Brian Wellington
 */

public final class ExtendedFlags {

private static Mnemonic extflags = new Mnemonic("EDNS Flag",
						Mnemonic.CASE_LOWER);

/** dnssec ok */
public static final int DO		= 0x8000;

static {
	extflags.setMaximum(0xFFFF);
	extflags.setPrefix("FLAG");
	extflags.setNumericAllowed(true);

	extflags.add(DO, "do");
}

private
ExtendedFlags() {}

/** Converts a numeric extended flag into a String */
public static String
string(int i) {
	return extflags.getText(i);
}

/**
 * Converts a textual representation of an extended flag into its numeric
 * value
 */
public static int
value(String s) {
	return extflags.getValue(s);
}

}