mcatan 2004/04/02 00:30:03
Added: include/log4cxx/helpers timezone.h
Log:
added class TimeZone
Revision Changes Path
1.1 logging-log4cxx/include/log4cxx/helpers/timezone.h
Index: timezone.h
===================================================================
/***************************************************************************
* Copyright (C) The Apache Software Foundation. All rights reserved. *
* *
* This software is published under the terms of the Apache Software *
* License version 1.1, a copy of which has been included with this *
* distribution in the license.apl file. *
***************************************************************************/
#ifndef _LOG4CXX_HELPERS_TIMEZONE_H
#define _LOG4CXX_HELPERS_TIMEZONE_H
#include <log4cxx/config.h>
#include <log4cxx/helpers/tchar.h>
#include <log4cxx/helpers/objectimpl.h>
#include <log4cxx/helpers/objectptr.h>
#include <map>
namespace log4cxx
{
namespace helpers
{
class TimeZone;
typedef helpers::ObjectPtrT<TimeZone> TimeZonePtr;
class LOG4CXX_EXPORT TimeZone : public helpers::ObjectImpl
{
public:
DECLARE_ABSTRACT_LOG4CXX_OBJECT(TimeZone)
BEGIN_LOG4CXX_CAST_MAP()
LOG4CXX_CAST_ENTRY(TimeZone)
END_LOG4CXX_CAST_MAP()
TimeZone(const String& ID);
~TimeZone();
/**
Returns the offset of this time zone from UTC at the
specified
date. If Daylight Saving Time is in effect at the
specified date,
the offset value is adjusted with the amount of
daylight saving.
@param date the date represented in milliseconds since
January 1,
1970 00:00:00 GMT
@return the amount of time in milliseconds to add to
UTC to get
local time.
*/
int getOffset(int64_t date) const;
static TimeZonePtr getDefault();
static TimeZonePtr getTimeZone(const String& ID);
/**
Queries if the given date is in daylight savings time
in this time
zone.
@param date the given Date.
@return true if the given date is in daylight savings
time, false,
otherwise.
*/
bool inDaylightTime(int64_t date) const;
/**
Returns the amount of time to be added to local
standard time to
get local wall clock time.
@return the amount of saving time in milliseconds
*/
inline int getDSTSavings() const
{ return DSTSavings; }
/**
Returns the amount of time in milliseconds to add to
UTC to get
standard time in this time zone.
Because this value is not affected by daylight saving
time, it is
called raw offset.
@return the amount of raw offset time in milliseconds
to add to
UTC.
*/
inline int getRawOffset() const
{ return rawOffset; }
/**
Queries if this time zone uses daylight savings time.
@return true if this time zone uses daylight savings
time, false,
otherwise.
*/
inline bool useDaylightTime() const
{ return DSTSavings != 0; }
protected:
String ID;
int rawOffset;
int DSTSavings;
class Rule
{
public:
Rule(int year);
int year;
int64_t startDate;
int64_t endDate;
};
typedef std::map<long, Rule *> RuleMap;
mutable RuleMap rules;
static TimeZonePtr defaultTimeZone;
};
};
};
#endif //_LOG4CXX_HELPERS_TIMEZONE_H
