1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * ident "%Z%%M% %I% %E% SMI" 24 * 25 * Copyright 2002 Sun Microsystems, Inc. All rights reserved. 26 * Use is subject to license terms. 27 */ 28 29 package com.sun.dhcpmgr.data.qualifier; 30 31 import java.util.regex.*; 32 33 /** 34 * An implementation of the qualifier type that provides a string type 35 * where values must be a valid fully qualified domain name. 36 */ 37 public class QualifierFQDN extends QualifierString { 38 39 private static final String fqdnRegex = "([a-zA-Z][a-zA-Z0-9-]*[.]?)+"; 40 41 public Object parseValue(String value) { 42 if (value == null) { 43 return null; 44 } 45 46 value = value.trim(); 47 48 Pattern pattern = Pattern.compile(fqdnRegex); 49 Matcher matcher = pattern.matcher(value); 50 51 if (matcher.matches()) { 52 return value; 53 } else { 54 return null; 55 } 56 } 57 58 }