001 /* 002 * CDDL HEADER START 003 * 004 * The contents of this file are subject to the terms of the 005 * Common Development and Distribution License, Version 1.0 only 006 * (the "License"). You may not use this file except in compliance 007 * with the License. 008 * 009 * You can obtain a copy of the license at 010 * trunk/opends/resource/legal-notices/OpenDS.LICENSE 011 * or https://OpenDS.dev.java.net/OpenDS.LICENSE. 012 * See the License for the specific language governing permissions 013 * and limitations under the License. 014 * 015 * When distributing Covered Code, include this CDDL HEADER in each 016 * file and include the License file at 017 * trunk/opends/resource/legal-notices/OpenDS.LICENSE. If applicable, 018 * add the following below this CDDL HEADER, with the fields enclosed 019 * by brackets "[]" replaced with your own identifying information: 020 * Portions Copyright [yyyy] [name of copyright owner] 021 * 022 * CDDL HEADER END 023 * 024 * 025 * Copyright 2008 Sun Microsystems, Inc. 026 */ 027 028 package org.opends.server.authorization.dseecompat; 029 import org.opends.messages.Message; 030 031 import static org.opends.messages.AccessControlMessages.*; 032 import java.util.Calendar; 033 import java.util.GregorianCalendar; 034 import java.util.LinkedList; 035 036 /** 037 * This class implements the dayofweek bind rule keyword. 038 */ 039 public class DayOfWeek implements KeywordBindRule { 040 041 /* 042 * List containing the enumeration of the day of the week. 043 */ 044 LinkedList<EnumDayOfWeek> days=null; 045 046 /* 047 * Enumeration representing the bind rule operation type. 048 */ 049 private EnumBindRuleType type=null; 050 051 /** 052 * Create a class representing a dayofweek bind rule keyword. 053 * @param days A list of day of the week enumerations. 054 * @param type An enumeration representing the bind rule type. 055 */ 056 private DayOfWeek(LinkedList<EnumDayOfWeek> days, EnumBindRuleType type) { 057 this.days=days; 058 this.type=type; 059 } 060 061 /** 062 * Decode an string representing a dayofweek bind rule. 063 * @param expr A string representation of the bind rule. 064 * @param type An enumeration representing the bind rule type. 065 * @return A keyword bind rule class that can be used to evaluate 066 * this bind rule. 067 * @throws AciException If the expression string is invalid. 068 */ 069 public static KeywordBindRule decode(String expr, EnumBindRuleType type) 070 throws AciException 071 { 072 LinkedList<EnumDayOfWeek>days=new LinkedList<EnumDayOfWeek>(); 073 String[] dayArray=expr.split(",", -1); 074 for(int i=0, m=dayArray.length; i < m; i++) 075 { 076 EnumDayOfWeek day=EnumDayOfWeek.createDayOfWeek(dayArray[i]); 077 if (day == null) 078 { 079 Message message = WARN_ACI_SYNTAX_INVALID_DAYOFWEEK.get(expr); 080 throw new AciException(message); 081 } 082 days.add(day); 083 } 084 return new DayOfWeek(days, type); 085 } 086 087 /** 088 * Performs evaluation of a dayofweek bind rule using the provided 089 * evaluation context. 090 * @param evalCtx An evaluation context to use in the evaluation. 091 * @return An enumeration evaluation result. 092 */ 093 public EnumEvalResult evaluate(AciEvalContext evalCtx) { 094 EnumEvalResult matched=EnumEvalResult.FALSE; 095 GregorianCalendar calendar = new GregorianCalendar(); 096 EnumDayOfWeek dayofweek 097 = EnumDayOfWeek.getDayOfWeek(calendar.get(Calendar.DAY_OF_WEEK)); 098 if(days.contains(dayofweek)) 099 matched=EnumEvalResult.TRUE; 100 return matched.getRet(type, false); 101 } 102 }