/*************************************************************************
 *
 *  OpenOffice.org - a multi-platform office productivity suite
 *
 *  $RCSfile: tdsingleton.cxx,v $
 *
 *  $Revision: 1.5 $
 *
 *  last change: $Author: rt $ $Date: 2005-09-08 08:08:57 $
 *
 *  The Contents of this file are made available subject to
 *  the terms of GNU Lesser General Public License Version 2.1.
 *
 *
 *    GNU Lesser General Public License Version 2.1
 *    =============================================
 *    Copyright 2005 by Sun Microsystems, Inc.
 *    901 San Antonio Road, Palo Alto, CA 94303, USA
 *
 *    This library is free software; you can redistribute it and/or
 *    modify it under the terms of the GNU Lesser General Public
 *    License version 2.1, as published by the Free Software Foundation.
 *
 *    This library is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *    Lesser General Public License for more details.
 *
 *    You should have received a copy of the GNU Lesser General Public
 *    License along with this library; if not, write to the Free Software
 *    Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 *    MA  02111-1307  USA
 *
 ************************************************************************/

#ifndef _OSL_DIAGNOSE_H_
#include <osl/diagnose.h>
#endif

#ifndef _STOC_RDBTDP_BASE_HXX
#include "base.hxx"
#endif

#include "com/sun/star/uno/RuntimeException.hpp"

using namespace com::sun::star;

namespace stoc_rdbtdp
{

void SingletonTypeDescriptionImpl::init() {
    {
        MutexGuard guard(getMutex());
        if (_xInterfaceTD.is() || _xServiceTD.is()) {
            return;
        }
    }
    Reference< XTypeDescription > base;
    try {
        base = Reference< XTypeDescription >(
            _xTDMgr->getByHierarchicalName(_aBaseName), UNO_QUERY_THROW);
    } catch (NoSuchElementException const & e) {
        throw RuntimeException(
            (OUString(
                RTL_CONSTASCII_USTRINGPARAM(
                    "com.sun.star.container.NoSuchElementException: "))
             + e.Message),
            static_cast< OWeakObject * >(this));
    }
    MutexGuard guard(getMutex());
    if (!_xInterfaceTD.is() && !_xServiceTD.is()) {
        if (resolveTypedefs(base)->getTypeClass() == TypeClass_INTERFACE) {
            _xInterfaceTD = base;
        } else if (base->getTypeClass() == TypeClass_SERVICE) {
            _xServiceTD = Reference< XServiceTypeDescription >(
                base, UNO_QUERY_THROW);
        } else {
            throw RuntimeException(
                OUString(
                    RTL_CONSTASCII_USTRINGPARAM(
                        "Singleton is based on neither interface nor service")),
                static_cast< OWeakObject * >(this));
        }
    }
    OSL_ASSERT(_xInterfaceTD.is() ^ _xServiceTD.is());
}

//__________________________________________________________________________________________________
// virtual
SingletonTypeDescriptionImpl::~SingletonTypeDescriptionImpl()
{
    g_moduleCount.modCnt.release( &g_moduleCount.modCnt );
}

// XTypeDescription
//__________________________________________________________________________________________________
// virtual
TypeClass SingletonTypeDescriptionImpl::getTypeClass()
    throw(::com::sun::star::uno::RuntimeException)
{
    return TypeClass_SINGLETON;
}
//__________________________________________________________________________________________________
// virtual
OUString SingletonTypeDescriptionImpl::getName()
    throw(::com::sun::star::uno::RuntimeException)
{
    return _aName;
}

// XSingletonTypeDescription
//__________________________________________________________________________________________________
// virtual
Reference< XServiceTypeDescription > SAL_CALL
SingletonTypeDescriptionImpl::getService()
    throw(::com::sun::star::uno::RuntimeException)
{
    init();
    return _xServiceTD;
}

// XSingletonTypeDescription2
//______________________________________________________________________________
// virtual
sal_Bool SAL_CALL
SingletonTypeDescriptionImpl::isInterfaceBased()
    throw(::com::sun::star::uno::RuntimeException)
{
    init();
    return _xInterfaceTD.is();
}

//______________________________________________________________________________
// virtual
Reference< XTypeDescription > SAL_CALL
SingletonTypeDescriptionImpl::getInterface()
    throw(::com::sun::star::uno::RuntimeException)
{
    init();
    return _xInterfaceTD;
}

}