loplugin:oncevar: empty strings: dbaccess

Change-Id: I242ef3d2d91dee97e47aab209160e6e7fa566a6d

dbaccess/source/ui/app/AppControllerGen.cxx

@@ -705,7 +705,6 @@ void OApplicationController::doAction(sal_uInt16 _nId, const ElementOpenMode _eO
 
         std::vector< std::pair< OUString ,Reference< XModel > > >::const_iterator componentIter = aComponents.begin();
         std::vector< std::pair< OUString ,Reference< XModel > > >::const_iterator componentEnd = aComponents.end();
-        OUString aDocTypeString;
         SfxMailModel aSendMail;
         SfxMailModel::SendMailResult eResult = SfxMailModel::SEND_MAIL_OK;
         for (; componentIter != componentEnd && SfxMailModel::SEND_MAIL_OK == eResult; ++componentIter)
@@ -715,7 +714,7 @@ void OApplicationController::doAction(sal_uInt16 _nId, const ElementOpenMode _eO
                 Reference< XModel > xModel(componentIter->second,UNO_QUERY);
 
                 // Send document as e-Mail using stored/default type
-                eResult = aSendMail.AttachDocument(aDocTypeString,xModel,componentIter->first);
+                eResult = aSendMail.AttachDocument(OUString(),xModel,componentIter->first);
                 ::comphelper::disposeComponent(xModel);
             }
             catch(const Exception&)

dbaccess/source/ui/dlg/ConnectionHelper.cxx

@@ -417,10 +417,10 @@ namespace dbaui
             if ( m_pCollection->isFileSystemBased( m_eType ) )
             {
                 // get the two parts: prefix and file URL
-                OUString sTypePrefix, sFileURLDecoded;
+                OUString sFileURLDecoded;
                 sFileURLDecoded = sURL;
 
-                sURL = sTypePrefix;
+                sURL = OUString();
                 if ( !sFileURLDecoded.isEmpty() )
                 {
                     OFileNotation aFileNotation( sFileURLDecoded, OFileNotation::N_SYSTEM );

dbaccess/source/ui/dlg/ConnectionPage.cxx

@@ -194,8 +194,7 @@ namespace dbaui
                 {
                     OUString sText = m_pFT_Connection->GetText();
                     sText = sText.replaceAll("%test",m_pTestConnection->GetText());
-                    OUString sTemp;
-                    sText = sText.replaceAll("~",sTemp);
+                    sText = sText.replaceAll("~","");
                     m_pFT_Connection->SetText(sText);
                 }
                 m_pConnectionURL->Hide();

dbaccess/source/ui/misc/UITools.cxx

@@ -1197,9 +1197,8 @@ TOTypeInfoSP queryTypeInfoByType(sal_Int32 _nDataType,const OTypeInfoMap& _rType
     }
     if ( !pTypeInfo )
     {
-        OUString sTypeName;
         bool bForce = true;
-        pTypeInfo = ::dbaui::getTypeInfoFromType(_rTypeInfo,DataType::VARCHAR,sTypeName,"x",50,0,false,bForce);
+        pTypeInfo = ::dbaui::getTypeInfoFromType(_rTypeInfo,DataType::VARCHAR,OUString(),"x",50,0,false,bForce);
     }
     OSL_ENSURE(pTypeInfo,"Wrong DataType supplied!");
     return pTypeInfo;

dbaccess/source/ui/misc/indexcollection.cxx

@@ -310,8 +310,7 @@ namespace dbaui
     Indexes::iterator OIndexCollection::insert(const OUString& _rName)
     {
         OSL_ENSURE(end() == find(_rName), "OIndexCollection::insert: invalid new name!");
-        OUString tmpName;
-        OIndex aNewIndex(tmpName);  // the empty string indicates the index is a new one
+        OIndex aNewIndex((OUString()));  // the empty string indicates the index is a new one
         aNewIndex.sName = _rName;
         m_aIndexes.push_back(aNewIndex);
         return m_aIndexes.end() - 1;    // the last element is the new one ...