110 lines
3.6 KiB
Java
110 lines
3.6 KiB
Java
/***************************** -*- Java -*- ********************************\
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* *
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* Copyright (c) 2009 VeriSign, Inc. All rights reserved. *
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* *
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* This software is provided solely in connection with the terms of the *
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* license agreement. Any other use without the prior express written *
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* permission of VeriSign is completely prohibited. The software and *
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* documentation are "Commercial Items", as that term is defined in 48 *
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* C.F.R. section 2.101, consisting of "Commercial Computer Software" and *
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* "Commercial Computer Software Documentation" as such terms are defined *
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* in 48 C.F.R. section 252.227-7014(a)(5) and 48 C.F.R. section *
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* 252.227-7014(a)(1), and used in 48 C.F.R. section 12.212 and 48 C.F.R. *
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* section 227.7202, as applicable. Pursuant to the above and other *
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* relevant sections of the Code of Federal Regulations, as applicable, *
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* VeriSign's publications, commercial computer software, and commercial *
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* computer software documentation are distributed and licensed to United *
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* States Government end users with only those rights as granted to all *
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* other end users, according to the terms and conditions contained in the *
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* license agreement(s) that accompany the products and software *
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* documentation. *
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* *
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\***************************************************************************/
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package com.verisign.tat.dnssec;
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import org.xbill.DNS.Name;
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import java.util.*;
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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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* 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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if (name.equals(Name.root)) {
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return ".";
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}
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String n = name.toString().toLowerCase();
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if (n.endsWith(".")) {
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n = n.substring(0, n.length() - 1);
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}
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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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if (s == null) {
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return def;
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}
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try {
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return Integer.parseInt(s);
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} catch (NumberFormatException e) {
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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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if (s == null) {
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return def;
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}
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try {
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return Long.parseLong(s);
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} catch (NumberFormatException e) {
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return def;
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}
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}
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public static List<ConfigEntry> parseConfigPrefix(Properties config,
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String prefix) {
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if (!prefix.endsWith(".")) {
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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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public static class ConfigEntry {
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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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this.key = key;
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this.value = value;
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}
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}
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}
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