/************************************************************************
 *
 * Licensed Materials - Property of IBM.
 * (C) Copyright IBM Corporation 2003, 2012.  All Rights Reserved.
 * U.S. Government Users Restricted Rights:
 * Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp.
 *
 ************************************************************************/

#ifndef ZFORCACHE_INLINE_INCLUDE
#define ZFORCACHE_INLINE_INCLUDE

struct SvNumberFormatCache::SimpleDateFormatPointer
{
    SimpleDateFormat * operator ->() const{ return mpdf; }
    SimpleDateFormatPointer( SimpleDateFormat * pdf, bool bCached = false ): mpdf( pdf ), mbCached( bCached ){}
    inline bool IsCached() const{ return mbCached; }
    ~SimpleDateFormatPointer(){ if( !mbCached && mpdf ) delete mpdf; }
    SimpleDateFormatPointer( SimpleDateFormatPointer const & r ): mpdf( r.mpdf ), mbCached( r.mbCached ){ r.mpdf = NULL; }
private:
    mutable SimpleDateFormat * mpdf;
    bool mbCached;
};

inline SvNumberFormatCache::SimpleDateFormatPointer SvNumberFormatCache::GetSimpleDateFormat( const UnicodeString & rPattern, const rtl::OUString & rIsoName, const ::rtl::OUString & rstrlocalCanlendarKey ) const
{
    UErrorCode success = U_ZERO_ERROR;

    if( !this )
    {
        return new SimpleDateFormat( rPattern, Locale(::rtl::OUStringToOString( rIsoName, RTL_TEXTENCODING_ASCII_US ).getStr()), success);
    }

    if( maFormatTable.size() >= this->SVNUMBERFORMAT_CACHE_SIZE )
    {
        icuFormatTable::iterator i = maFormatTable.find( boost::make_tuple( rPattern, rIsoName, rstrlocalCanlendarKey ) );

        if( i == maFormatTable.end() )
            return new SimpleDateFormat( rPattern, Locale(::rtl::OUStringToOString( rIsoName, RTL_TEXTENCODING_ASCII_US ).getStr()), success);
        else
            return SimpleDateFormatPointer( i->second, true );
    }

    std::pair< icuFormatTable::iterator, bool > i = maFormatTable.insert( std::make_pair( boost::make_tuple( rPattern, rIsoName, rstrlocalCanlendarKey ), (SimpleDateFormat*)NULL ) );

    if( i.second )
    {
        UErrorCode success = U_ZERO_ERROR;
        i.first->second = new SimpleDateFormat( rPattern, Locale(::rtl::OUStringToOString( rIsoName, RTL_TEXTENCODING_ASCII_US ).getStr()), success);
    }

    return SimpleDateFormatPointer( i.first->second, true );
}

inline SvNumberFormatCache::~SvNumberFormatCache()
{
	for( icuFormatTable::iterator i = maFormatTable.begin(); i!=maFormatTable.end(); i++ )
		delete i->second;
}

#endif