001/** 002 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. 003 * 004 * Copyright (c) 2005 Sun Microsystems Inc. All Rights Reserved 005 * 006 * The contents of this file are subject to the terms 007 * of the Common Development and Distribution License 008 * (the License). You may not use this file except in 009 * compliance with the License. 010 * 011 * You can obtain a copy of the License at 012 * https://opensso.dev.java.net/public/CDDLv1.0.html or 013 * opensso/legal/CDDLv1.0.txt 014 * See the License for the specific language governing 015 * permission and limitations under the License. 016 * 017 * When distributing Covered Code, include this CDDL 018 * Header Notice in each file and include the License file 019 * at opensso/legal/CDDLv1.0.txt. 020 * If applicable, add the following below the CDDL Header, 021 * with the fields enclosed by brackets [] replaced by 022 * your own identifying information: 023 * "Portions Copyrighted [year] [name of copyright owner]" 024 * 025 * $Id: SetValidator.java,v 1.4 2008/06/25 05:41:48 qcheng Exp $ 026 * 027 */ 028 029package com.iplanet.ums.validation; 030 031import java.util.StringTokenizer; 032 033/** 034 * Validates if given value is in the set. This class implements IValidator 035 * interface. Default constructor should be used to create this object. Pass the 036 * string value to be validated and set of Stringvalues against which the value 037 * should be validated to validate function, true is returned if the value is 038 * present in the set. 039 * @supported.all.api 040 */ 041public class SetValidator implements IValidator { 042 043 /** 044 * Checks if the value is in the set. Validates the string value against the 045 * rule, which is a set of elements in the form of a String, with each 046 * elements separated by comma. 047 * 048 * <pre> 049 * Example: validate("A", "A,B,C,D,F"); // returns true 050 * validate("408", "415,650,408,510"); // returns true 051 * validate("770", "415,650,408,510"); // returns false 052 * validate(408, "415,650,408,510"); // exception 053 * </pre> 054 * 055 * @param value Value to validate. 056 * @param set Set used by the validation, in the form of a String with 057 * each elements separated by comma. 058 * @return true if value is in the set 059 */ 060 public boolean validate(String value, String set) { 061 String[] range = stringToArray(normalize(set)); 062 for (int i = 0; i < range.length; i++) { 063 if (value.equals(range[i])) { 064 return true; 065 } 066 } 067 return false; 068 } 069 070 private String[] stringToArray(String s) { 071 if ((s == null) || (s.trim().length() == 0)) { 072 return new String[0]; 073 } 074 075 StringTokenizer st = new StringTokenizer(s, ","); 076 String vals[] = new String[st.countTokens()]; 077 int i = 0; 078 while (st.hasMoreTokens()) { 079 vals[i++] = st.nextToken(); 080 } 081 return vals; 082 083 } 084 085 private String normalize(String s) { 086 String n = ""; 087 char[] array = s.toCharArray(); 088 for (int i = 0; i < array.length; i++) { 089 if (!(array[i] == ' ')) { 090 n = n + array[i]; 091 } 092 } 093 return n; 094 } 095 096}