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 <osl/diagnose.h>
  25
  26
  27 namespace dbtools
  28 {
  29
  30
  31     using namespace ::com::sun::star::uno;
  32     using namespace ::com::sun::star::sdbc;
  33     using namespace ::com::sun::star::sdb;
  34
  35     static void lcl_concatWarnings( Any& _rChainLeft, const Any& _rChainRight )
  36     {
  37         if ( !_rChainLeft.hasValue() )
  38             _rChainLeft = _rChainRight;
  39         else
  40         {
  41             // to travel the chain by reference (and not by value), we need the getValue ...
  42             // looks like a hack, but the meaning of getValue is documented, and it's the only chance for reference-traveling ....
  43
  44             OSL_ENSURE( SQLExceptionInfo( _rChainLeft ).isValid(),
  45                 "lcl_concatWarnings: invalid warnings chain (this will crash)!" );
  46
  47             const SQLException* pChainTravel = static_cast< const SQLException* >( _rChainLeft.getValue() );
  48             SQLExceptionIteratorHelper aReferenceIterHelper( *pChainTravel );
  49             while ( aReferenceIterHelper.hasMoreElements() )
  50                 pChainTravel = aReferenceIterHelper.next();
  51
  52             // reached the end of the chain, and pChainTravel points to the last element
  53             const_cast< SQLException* >( pChainTravel )->NextException = _rChainRight;
  54         }
  55     }
  56
  57
  58     WarningsContainer::~WarningsContainer()
  59     {
  60     }
  61
  62
  63     void WarningsContainer::appendWarning(const SQLException& _rWarning)
  64     {
  65         lcl_concatWarnings( m_aOwnWarnings, makeAny( _rWarning ) );
  66     }
  67
  68
  69     void WarningsContainer::appendWarning( const SQLContext& _rContext )
  70     {
  71         lcl_concatWarnings( m_aOwnWarnings, makeAny( _rContext ));
  72     }
  73
  74
  75     void WarningsContainer::appendWarning(const SQLWarning& _rWarning)
  76     {
  77         lcl_concatWarnings( m_aOwnWarnings, makeAny( _rWarning ) );
  78     }
  79
  80
  81     Any SAL_CALL WarningsContainer::getWarnings(  ) const
  82     {
  83         Any aAllWarnings;
  84         if ( m_xExternalWarnings.is() )
  85             aAllWarnings = m_xExternalWarnings->getWarnings();
  86
  87         if ( m_aOwnWarnings.hasValue() )
  88             lcl_concatWarnings( aAllWarnings, m_aOwnWarnings );
  89
  90         return aAllWarnings;
  91     }
  92
  93
  94     void SAL_CALL WarningsContainer::clearWarnings(  )
  95     {
  96         if ( m_xExternalWarnings.is() )
  97             m_xExternalWarnings->clearWarnings();
  98         m_aOwnWarnings.clear();
  99     }
 100
 101
 102     void WarningsContainer::appendWarning( const OUString& _rWarning, const sal_Char* _pAsciiSQLState, const Reference< XInterface >& _rxContext )
 103     {
 104         appendWarning( SQLWarning( _rWarning, _rxContext, OUString::createFromAscii( _pAsciiSQLState ), 0, Any() ) );
 105     }
 106
 107
 108 }   // namespace dbtools
 109
 110
 111 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */