office-gobmx/framework/inc/loadstate.h
Tor Lillqvist 16471e0e6e chmod -x
2011-05-15 00:41:03 +03:00

118 lines
4.6 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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#ifndef __FRAMEWORK_LOADSTATE_H_
#define __FRAMEWORK_LOADSTATE_H_
//_________________________________________________________________________________________________________________
// includes
//_________________________________________________________________________________________________________________
#include <com/sun/star/ucb/InteractiveIOException.hpp>
#include <com/sun/star/ucb/InteractiveAugmentedIOException.hpp>
//_________________________________________________________________________________________________________________
// 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 <sal_True/> the referred string object
will be used to set the original message of the
aborted io exception on it.
If method returns <sal_False/> rReason was not used.
@return [boolean]
<sal_True/> in case it was an IO error
<sal_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_
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