116 lines
3.2 KiB
Java
116 lines
3.2 KiB
Java
/*
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* $Id$
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*
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* Copyright (c) 2005 VeriSign. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer. 2. Redistributions in
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* binary form must reproduce the above copyright notice, this list of
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* conditions and the following disclaimer in the documentation and/or other
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* materials provided with the distribution. 3. The name of the author may not
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* be used to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
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* NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
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* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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package com.versign.tat.dnssec;
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import java.util.*;
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import org.xbill.DNS.Name;
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/**
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* Some basic utility functions.
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*/
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public class Util
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{
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/**
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* Convert a DNS name into a string suitable for use as a cache key.
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*
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* @param name The name to convert.
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* @return A string representing the name. This isn't ever meant to be
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* converted back into a DNS name.
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*/
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public static String nameToString(Name name)
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{
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if (name.equals(Name.root)) return ".";
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String n = name.toString().toLowerCase();
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if (n.endsWith(".")) n = n.substring(0, n.length() - 1);
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return n;
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}
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public static int parseInt(String s, int def)
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{
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if (s == null) return def;
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try
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{
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return Integer.parseInt(s);
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}
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catch (NumberFormatException e)
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{
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return def;
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}
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}
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public static long parseLong(String s, long def)
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{
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if (s == null) return def;
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try
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{
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return Long.parseLong(s);
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}
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catch (NumberFormatException e)
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{
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return def;
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}
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}
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public static class ConfigEntry
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{
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public String key;
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public String value;
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public ConfigEntry(String key, String value)
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{
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this.key = key; this.value = value;
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}
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}
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public static List<ConfigEntry> parseConfigPrefix(Properties config, String prefix)
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{
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if (! prefix.endsWith("."))
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{
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prefix = prefix + ".";
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}
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List<ConfigEntry> res = new ArrayList<ConfigEntry>();
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for (Map.Entry<Object, Object> entry : config.entrySet()) {
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String key = (String) entry.getKey();
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if (key.startsWith(prefix)) {
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key = key.substring(prefix.length());
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res.add(new ConfigEntry(key, (String) entry.getValue()));
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}
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}
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return res;
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}
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}
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