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 }