office-gobmx/framework/inc/loadstate.h
2002-08-12 10:47:27 +00:00

154 lines
5.9 KiB
C++

/*************************************************************************
*
* $RCSfile: loadstate.h,v $
*
* $Revision: 1.1 $
*
* last change: $Author: as $ $Date: 2002-08-12 11:40:05 $
*
* The Contents of this file are made available subject to the terms of
* either of the following licenses
*
* - GNU Lesser General Public License Version 2.1
* - Sun Industry Standards Source License Version 1.1
*
* Sun Microsystems Inc., October, 2000
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2000 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
*
*
* Sun Industry Standards Source License Version 1.1
* =================================================
* The contents of this file are subject to the Sun Industry Standards
* Source License Version 1.1 (the "License"); You may not use this file
* except in compliance with the License. You may obtain a copy of the
* License at http://www.openoffice.org/license.html.
*
* Software provided under this License is provided on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
* See the License for the specific provisions governing your rights and
* obligations concerning the Software.
*
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
*
* Copyright: 2000 by Sun Microsystems, Inc.
*
* All Rights Reserved.
*
* Contributor(s): _______________________________________
*
*
************************************************************************/
#ifndef __FRAMEWORK_LOADSTATE_H_
#define __FRAMEWORK_LOADSTATE_H_
//_________________________________________________________________________________________________________________
// includes
//_________________________________________________________________________________________________________________
#ifndef _COM_SUN_STAR_UCB_INTERACTIVEIOEXCEPTION_HPP_
#include <com/sun/star/ucb/InteractiveIOException.hpp>
#endif
#ifndef _COM_SUN_STAR_UCB_INTERACTIVEAUGMENTEDIOEXCEPTION_HPP_
#include <com/sun/star/ucb/InteractiveAugmentedIOException.hpp>
#endif
//_________________________________________________________________________________________________________________
// namespace
//_________________________________________________________________________________________________________________
namespace framework{
//_______________________________________________________________________
/**
These enum values specify all possible results of a load request.
It doesn't matter, if this load operation used dispatch() or loadComponentFromURL().
The meaning is everytime the same.
*/
enum ELoadState
{
E_UNSPECIFIED = 0, // indicates the operation was not already started
E_SUCCESS = 1, // the load request was successfull
E_IOERROR = 2, // there was an io error internaly
E_INTERACTION = 3, // there was an interaction, which couldn't be handled (doesn't include IO interactions => see E_IOERROR before)
E_FAILED = 4 // for unknown or unspecified errors
};
//_______________________________________________________________________
/**
Helper, which provides some functionality to identify the reason for
a failed load request and can describe it.
*/
class LoadStateHelper
{
public:
//_________________________________
/**
@short checks if the given interaction request was an io error
@descr This information can be used to throw
a suitable IOException. (e.g. loadComponentFromURL())
@param aRequest
the original interaction request, which may produced
the failed load request
@param rReason
in case this Method returns <TRUE/> the referred string object
will be used to set the original message of the
aborted io exception on it.
If method returns <FALSE/> rReason was not used.
@return [boolean]
<TRUE/> in case it was an IO error
<FALSE/> in case it wasn't an IO error or interaction was not used
*/
static sal_Bool wasIOError( const css::uno::Any& aRequest ,
rtl::OUString& rReason )
{
if ( ! aRequest.hasValue() )
return sal_False;
css::ucb::InteractiveIOException exIOInteractive ;
css::ucb::InteractiveAugmentedIOException exIOAugmented ;
if (aRequest>>=exIOInteractive)
{
rReason = exIOInteractive.Message;
return sal_True;
}
if (aRequest>>=exIOAugmented)
{
rReason = exIOAugmented.Message;
return sal_True;
}
return sal_False;
}
};
} // namespace framework
#endif // #ifndef __FRAMEWORK_LOADSTATE_H_