/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at
* trunk/opends/resource/legal-notices/OpenDS.LICENSE
* or https://OpenDS.dev.java.net/OpenDS.LICENSE.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at
* trunk/opends/resource/legal-notices/OpenDS.LICENSE. If applicable,
* add the following below this CDDL HEADER, with the fields enclosed
* by brackets "[]" replaced with your own identifying information:
* Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*
*
* Copyright 2008 Sun Microsystems, Inc.
*/
package org.opends.server.authorization.dseecompat;
import org.opends.messages.Message;
import static org.opends.messages.AccessControlMessages.*;
import org.opends.server.util.TimeThread;
import java.util.regex.Pattern;
/**
* This class represents the timeofday keyword in a bind rule.
*/
public class TimeOfDay implements KeywordBindRule {
/*
* Regular expression matching a valid timeofday rule value (0-2359).
*/
private static final String timeofdayRegex = "[0-2]\\d[0-5]\\d";
/*
* Enumeration representing the bind rule operation type.
*/
private EnumBindRuleType type=null;
/*
* Holds the time value parsed from the ACI.
*/
private int timeRef;
/**
* Constructor to create a timeofday keyword class.
* @param timeVal The time value to check for (0-2359).
* @param type An enumeration of the type of the expression.
*/
private TimeOfDay(int timeVal, EnumBindRuleType type) {
this.timeRef=timeVal;
this.type=type;
}
/**
* Decodes a string representation of a timeofday bind rule expression.
* @param expr A string representation of the expression.
* @param type An enumeration of the type of the expression.
* @return A TimeOfDay class representing the expression.
* @throws AciException If the expression is invalid.
*/
public static TimeOfDay decode(String expr, EnumBindRuleType type)
throws AciException {
int valueAsInt = 0;
if (!Pattern.matches(timeofdayRegex, expr))
{
Message message = WARN_ACI_SYNTAX_INVALID_TIMEOFDAY.get(expr);
throw new AciException(message);
}
try {
valueAsInt = Integer.parseInt(expr);
} catch (NumberFormatException nfe) {
Message message =
WARN_ACI_SYNTAX_INVALID_TIMEOFDAY_FORMAT.get(expr, nfe.getMessage());
throw new AciException(message);
}
if ((valueAsInt < 0) || (valueAsInt > 2359))
{
Message message = WARN_ACI_SYNTAX_INVALID_TIMEOFDAY_RANGE.get(expr);
throw new AciException(message);
}
return new TimeOfDay(valueAsInt, type);
}
/**
* Evaluates the timeofday bind rule using the evaluation context
* passed into the method.
* @param evalCtx The evaluation context to use for the evaluation.
* @return An enumeration result representing the result of the
* evaluation.
*/
public EnumEvalResult evaluate(AciEvalContext evalCtx) {
EnumEvalResult matched=EnumEvalResult.FALSE;
int currentTime=TimeThread.getHourAndMinute();
//check the type
switch (type) {
case EQUAL_BINDRULE_TYPE:
case NOT_EQUAL_BINDRULE_TYPE:
if (currentTime != timeRef)
{
matched=EnumEvalResult.TRUE;
}
break;
case LESS_OR_EQUAL_BINDRULE_TYPE:
if (currentTime <= timeRef)
{
matched=EnumEvalResult.TRUE;
}
break;
case LESS_BINDRULE_TYPE:
if (currentTime < timeRef)
{
matched=EnumEvalResult.TRUE;
}
break;
case GREATER_OR_EQUAL_BINDRULE_TYPE:
if (currentTime >= timeRef)
{
matched=EnumEvalResult.TRUE;
}
break;
case GREATER_BINDRULE_TYPE:
if (currentTime > timeRef)
{
matched=EnumEvalResult.TRUE;
}
}
return matched.getRet(type, false);
}
}