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     //====================================================================
  36     //= WarningsContainer
  37     //====================================================================
  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 = static_cast< const SQLException* >( _rChainLeft.getValue() );
  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     WarningsContainer::~WarningsContainer()
  63     {
  64     }
  65
  66     //--------------------------------------------------------------------
  67     void WarningsContainer::appendWarning(const SQLException& _rWarning)
  68     {
  69         lcl_concatWarnings( m_aOwnWarnings, makeAny( _rWarning ) );
  70     }
  71
  72     //--------------------------------------------------------------------
  73     void WarningsContainer::appendWarning( const SQLContext& _rContext )
  74     {
  75         lcl_concatWarnings( m_aOwnWarnings, makeAny( _rContext ));
  76     }
  77
  78     //--------------------------------------------------------------------
  79     void WarningsContainer::appendWarning(const SQLWarning& _rWarning)
  80     {
  81         lcl_concatWarnings( m_aOwnWarnings, makeAny( _rWarning ) );
  82     }
  83
  84     //--------------------------------------------------------------------
  85     Any SAL_CALL WarningsContainer::getWarnings(  ) const
  86     {
  87         Any aAllWarnings;
  88         if ( m_xExternalWarnings.is() )
  89             aAllWarnings = m_xExternalWarnings->getWarnings();
  90
  91         if ( m_aOwnWarnings.hasValue() )
  92             lcl_concatWarnings( aAllWarnings, m_aOwnWarnings );
  93
  94         return aAllWarnings;
  95     }
  96
  97     //--------------------------------------------------------------------
  98     void SAL_CALL WarningsContainer::clearWarnings(  )
  99     {
 100         if ( m_xExternalWarnings.is() )
 101             m_xExternalWarnings->clearWarnings();
 102         m_aOwnWarnings.clear();
 103     }
 104
 105     //--------------------------------------------------------------------
 106     void WarningsContainer::appendWarning( const OUString& _rWarning, const sal_Char* _pAsciiSQLState, const Reference< XInterface >& _rxContext )
 107     {
 108         appendWarning( SQLWarning( _rWarning, _rxContext, OUString::createFromAscii( _pAsciiSQLState ), 0, Any() ) );
 109     }
 110
 111 //........................................................................
 112 }   // namespace dbtools
 113 //........................................................................
 114
 115 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */