1 files changed, 110 insertions, 0 deletions
diff --git a/connectivity/source/commontools/warningscontainer.cxx b/connectivity/source/commontools/warningscontainer.cxx
new file mode 100644
index 0000000000..ba78256125
--- /dev/null
+++ b/connectivity/source/commontools/warningscontainer.cxx
@@ -0,0 +1,110 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+
+#include <connectivity/warningscontainer.hxx>
+#include <connectivity/dbexception.hxx>
+
+#include <com/sun/star/sdb/SQLContext.hpp>
+#include <com/sun/star/sdbc/XWarningsSupplier.hpp>
+
+#include <o3tl/any.hxx>
+#include <osl/diagnose.h>
+
+
+namespace dbtools
+{
+
+
+    using namespace ::com::sun::star::uno;
+    using namespace ::com::sun::star::sdbc;
+    using namespace ::com::sun::star::sdb;
+
+    static void lcl_concatWarnings( Any& _rChainLeft, const Any& _rChainRight )
+    {
+        if ( !_rChainLeft.hasValue() )
+            _rChainLeft = _rChainRight;
+        else
+        {
+            // to travel the chain by reference (and not by value), we need the getValue...
+            // looks like a hack, but the meaning of getValue is documented, and it's the only chance for reference-traveling...
+
+            OSL_ENSURE( SQLExceptionInfo( _rChainLeft ).isValid(),
+                "lcl_concatWarnings: invalid warnings chain (this will crash)!" );
+
+            const SQLException* pChainTravel = o3tl::doAccess<SQLException>( _rChainLeft );
+            SQLExceptionIteratorHelper aReferenceIterHelper( *pChainTravel );
+            while ( aReferenceIterHelper.hasMoreElements() )
+                pChainTravel = aReferenceIterHelper.next();
+
+            // reached the end of the chain, and pChainTravel points to the last element
+            const_cast< SQLException* >( pChainTravel )->NextException = _rChainRight;
+        }
+    }
+
+
+    void WarningsContainer::appendWarning(const SQLException& _rWarning)
+    {
+        lcl_concatWarnings( m_aOwnWarnings, Any( _rWarning ) );
+    }
+
+
+    void WarningsContainer::appendWarning( const SQLContext& _rContext )
+    {
+        lcl_concatWarnings( m_aOwnWarnings, Any( _rContext ));
+    }
+
+
+    void WarningsContainer::appendWarning(const SQLWarning& _rWarning)
+    {
+        lcl_concatWarnings( m_aOwnWarnings, Any( _rWarning ) );
+    }
+
+
+    Any WarningsContainer::getWarnings(  ) const
+    {
+        Any aAllWarnings;
+        if ( m_xExternalWarnings.is() )
+            aAllWarnings = m_xExternalWarnings->getWarnings();
+
+        if ( m_aOwnWarnings.hasValue() )
+            lcl_concatWarnings( aAllWarnings, m_aOwnWarnings );
+
+        return aAllWarnings;
+    }
+
+
+    void WarningsContainer::clearWarnings(  )
+    {
+        if ( m_xExternalWarnings.is() )
+            m_xExternalWarnings->clearWarnings();
+        m_aOwnWarnings.clear();
+    }
+
+
+    void WarningsContainer::appendWarning( const OUString& _rWarning, const char* _pAsciiSQLState, const Reference< XInterface >& _rxContext )
+    {
+        appendWarning( SQLWarning( _rWarning, _rxContext, OUString::createFromAscii( _pAsciiSQLState ), 0, Any() ) );
+    }
+
+
+}   // namespace dbtools
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */