connectivity/source/commontools/warningscontainer.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20
  21 #include <connectivity/warningscontainer.hxx>
  22 #include <connectivity/dbexception.hxx>
  23
  24 #include <com/sun/star/sdb/SQLContext.hpp>
  25 #include <com/sun/star/sdbc/XWarningsSupplier.hpp>
  26
  27 #include <o3tl/any.hxx>
  28 #include <osl/diagnose.h>
  29
  30
  31 namespace dbtools
  32 {
  33
  34
  35     using namespace ::com::sun::star::uno;
  36     using namespace ::com::sun::star::sdbc;
  37     using namespace ::com::sun::star::sdb;
  38
  39     static void lcl_concatWarnings( Any& _rChainLeft, const Any& _rChainRight )
  40     {
  41         if ( !_rChainLeft.hasValue() )
  42             _rChainLeft = _rChainRight;
  43         else
  44         {
  45             // to travel the chain by reference (and not by value), we need the getValue ...
  46             // looks like a hack, but the meaning of getValue is documented, and it's the only chance for reference-traveling ....
  47
  48             OSL_ENSURE( SQLExceptionInfo( _rChainLeft ).isValid(),
  49                 "lcl_concatWarnings: invalid warnings chain (this will crash)!" );
  50
  51             const SQLException* pChainTravel = o3tl::doAccess<SQLException>( _rChainLeft );
  52             SQLExceptionIteratorHelper aReferenceIterHelper( *pChainTravel );
  53             while ( aReferenceIterHelper.hasMoreElements() )
  54                 pChainTravel = aReferenceIterHelper.next();
  55
  56             // reached the end of the chain, and pChainTravel points to the last element
  57             const_cast< SQLException* >( pChainTravel )->NextException = _rChainRight;
  58         }
  59     }
  60
  61
  62     void WarningsContainer::appendWarning(const SQLException& _rWarning)
  63     {
  64         lcl_concatWarnings( m_aOwnWarnings, makeAny( _rWarning ) );
  65     }
  66
  67
  68     void WarningsContainer::appendWarning( const SQLContext& _rContext )
  69     {
  70         lcl_concatWarnings( m_aOwnWarnings, makeAny( _rContext ));
  71     }
  72
  73
  74     void WarningsContainer::appendWarning(const SQLWarning& _rWarning)
  75     {
  76         lcl_concatWarnings( m_aOwnWarnings, makeAny( _rWarning ) );
  77     }
  78
  79
  80     Any WarningsContainer::getWarnings(  ) const
  81     {
  82         Any aAllWarnings;
  83         if ( m_xExternalWarnings.is() )
  84             aAllWarnings = m_xExternalWarnings->getWarnings();
  85
  86         if ( m_aOwnWarnings.hasValue() )
  87             lcl_concatWarnings( aAllWarnings, m_aOwnWarnings );
  88
  89         return aAllWarnings;
  90     }
  91
  92
  93     void WarningsContainer::clearWarnings(  )
  94     {
  95         if ( m_xExternalWarnings.is() )
  96             m_xExternalWarnings->clearWarnings();
  97         m_aOwnWarnings.clear();
  98     }
  99
 100
 101     void WarningsContainer::appendWarning( const OUString& _rWarning, const sal_Char* _pAsciiSQLState, const Reference< XInterface >& _rxContext )
 102     {
 103         appendWarning( SQLWarning( _rWarning, _rxContext, OUString::createFromAscii( _pAsciiSQLState ), 0, Any() ) );
 104     }
 105
 106
 107 }   // namespace dbtools
 108
 109
 110 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */