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#ifndef __com_sun_star_configuration_backend_XLayer_idl__
#define __com_sun_star_configuration_backend_XLayer_idl__

#ifndef __com_sun_star_uno_XInterface_idl__
#include <com/sun/star/uno/XInterface.idl>
#endif 

#ifndef __com_sun_star_configuration_backend_XLayerHandler_idl__
#include <com/sun/star/configuration/backend/XLayerHandler.idl>
#endif 

#ifndef __com_sun_star_lang_NullPointerException_idl__
#include <com/sun/star/lang/NullPointerException.idl>
#endif 

#ifndef __com_sun_star_lang_WrappedTargetException_idl__
#include <com/sun/star/lang/WrappedTargetException.idl>
#endif 

#ifndef __com_sun_star_configuration_backend_MalformedDataException_idl__
#include <com/sun/star/configuration/backend/MalformedDataException.idl>
#endif

//============================================================================= 

module com { module sun { module star { module configuration { module backend {

//============================================================================= 

/** 
  provides read access to the data contained in a layer.

    @since OOo 1.1.2
*/
published interface XLayer : ::com::sun::star::uno::XInterface 
{
    //------------------------------------------------------------------------- 

    /** 
      describes the contents of the layer to an <type>XLayerHandler</type>.

      @param aHandler   
            Handler object that will receive calls 
            describing the contents of the layer

      @throws com::sun::star::lang::NullPointerException
              if a <NULL/> handler is passed.
      @throws com::sun::star::lang::WrappedTargetException
              if an error occurs in the access to or processing of the data.
      @throws com::sun::star::configuration::backend::MalformedDataException
              if the data read from the layer is rejected as invalid by the
              <type>XLayerHandler</type>.
    */
    void readData([in] XLayerHandler aHandler) 
        raises (com::sun::star::lang::NullPointerException,
                com::sun::star::lang::WrappedTargetException,
                MalformedDataException) ;

    //------------------------------------------------------------------------- 
} ;

//============================================================================= 

} ; } ; } ; } ; } ; 
#endif 
