connectivity/source/drivers/file/FTable.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 "file/FTable.hxx"
  22 #include "file/FColumns.hxx"
  23 #include <com/sun/star/sdbc/XRow.hpp>
  24 #include <com/sun/star/sdbc/XResultSet.hpp>
  25 #include <cppuhelper/typeprovider.hxx>
  26 #include <com/sun/star/lang/DisposedException.hpp>
  27 #include <com/sun/star/sdbc/ColumnValue.hpp>
  28 #include <unotools/ucbstreamhelper.hxx>
  29
  30 using namespace connectivity;
  31 using namespace connectivity::file;
  32 using namespace ::com::sun::star::uno;
  33 using namespace ::com::sun::star::beans;
  34 using namespace ::com::sun::star::sdbcx;
  35 using namespace ::com::sun::star::sdbc;
  36 using namespace ::com::sun::star::container;
  37
  38 OFileTable::OFileTable(sdbcx::OCollection* _pTables,OConnection* _pConnection)
  39 : OTable_TYPEDEF(_pTables,_pConnection->getMetaData()->supportsMixedCaseQuotedIdentifiers())
  40                 ,m_pConnection(_pConnection)
  41                 ,m_pFileStream(NULL)
  42                 ,m_nFilePos(0)
  43                 ,m_pBuffer(NULL)
  44                 ,m_nBufferSize(0)
  45                 ,m_bWriteable(false)
  46 {
  47     construct();
  48     m_aColumns = new OSQLColumns();
  49 }
  50
  51 OFileTable::OFileTable( sdbcx::OCollection* _pTables,OConnection* _pConnection,
  52                         const OUString& _Name,
  53                         const OUString& _Type,
  54                         const OUString& _Description ,
  55                         const OUString& _SchemaName,
  56                         const OUString& _CatalogName )
  57     : OTable_TYPEDEF(_pTables,_pConnection->getMetaData()->supportsMixedCaseQuotedIdentifiers(),
  58                      _Name,
  59                      _Type,
  60                      _Description,
  61                      _SchemaName,
  62                      _CatalogName)
  63     , m_pConnection(_pConnection)
  64     , m_pFileStream(NULL)
  65     , m_nFilePos(0)
  66     , m_pBuffer(NULL)
  67     , m_nBufferSize(0)
  68     , m_bWriteable(false)
  69 {
  70     m_aColumns = new OSQLColumns();
  71     construct();
  72     //  refreshColumns();
  73 }
  74
  75 OFileTable::~OFileTable( )
  76 {
  77 }
  78
  79 void OFileTable::refreshColumns()
  80 {
  81     TStringVector aVector;
  82     Reference< XResultSet > xResult = m_pConnection->getMetaData()->getColumns(Any(),
  83                                                                                m_SchemaName,m_Name, OUString("%"));
  84
  85     if(xResult.is())
  86     {
  87         Reference< XRow > xRow(xResult,UNO_QUERY);
  88         while(xResult->next())
  89             aVector.push_back(xRow->getString(4));
  90     }
  91
  92     if(m_pColumns)
  93         m_pColumns->reFill(aVector);
  94     else
  95         m_pColumns  = new OColumns(this,m_aMutex,aVector);
  96 }
  97
  98 void OFileTable::refreshKeys()
  99 {
 100 }
 101
 102 void OFileTable::refreshIndexes()
 103 {
 104 }
 105
 106 Any SAL_CALL OFileTable::queryInterface( const Type & rType ) throw(RuntimeException, std::exception)
 107 {
 108     if( rType == cppu::UnoType<XKeysSupplier>::get()||
 109         rType == cppu::UnoType<XRename>::get()||
 110         rType == cppu::UnoType<XAlterTable>::get()||
 111         rType == cppu::UnoType<XIndexesSupplier>::get()||
 112         rType == cppu::UnoType<XDataDescriptorFactory>::get())
 113         return Any();
 114
 115     return OTable_TYPEDEF::queryInterface(rType);
 116 }
 117
 118 void SAL_CALL OFileTable::disposing()
 119 {
 120     OTable::disposing();
 121
 122     ::osl::MutexGuard aGuard(m_aMutex);
 123
 124     FileClose();
 125 }
 126
 127 Sequence< sal_Int8 > OFileTable::getUnoTunnelImplementationId()
 128 {
 129     static ::cppu::OImplementationId * pId = 0;
 130     if (! pId)
 131     {
 132         ::osl::MutexGuard aGuard( ::osl::Mutex::getGlobalMutex() );
 133         if (! pId)
 134         {
 135             static ::cppu::OImplementationId aId;
 136             pId = &aId;
 137         }
 138     }
 139     return pId->getImplementationId();
 140 }
 141
 142 // com::sun::star::lang::XUnoTunnel
 143
 144 sal_Int64 OFileTable::getSomething( const Sequence< sal_Int8 > & rId ) throw (RuntimeException, std::exception)
 145 {
 146     return (rId.getLength() == 16 && 0 == memcmp(getUnoTunnelImplementationId().getConstArray(),  rId.getConstArray(), 16 ) )
 147                 ? reinterpret_cast< sal_Int64 >( this )
 148                 : OTable_TYPEDEF::getSomething(rId);
 149 }
 150
 151 void OFileTable::FileClose()
 152 {
 153     ::osl::MutexGuard aGuard(m_aMutex);
 154
 155     if (m_pFileStream && m_pFileStream->IsWritable())
 156         m_pFileStream->Flush();
 157
 158     delete m_pFileStream;
 159     m_pFileStream = NULL;
 160
 161     if (m_pBuffer)
 162     {
 163         delete[] m_pBuffer;
 164         m_pBuffer = NULL;
 165     }
 166 }
 167
 168 void SAL_CALL OFileTable::acquire() throw()
 169 {
 170     OTable_TYPEDEF::acquire();
 171 }
 172
 173 void SAL_CALL OFileTable::release() throw()
 174 {
 175     OTable_TYPEDEF::release();
 176 }
 177
 178 bool OFileTable::InsertRow(OValueRefVector& /*rRow*/, bool /*bFlush*/, const ::com::sun::star::uno::Reference< ::com::sun::star::container::XIndexAccess>& /*_xCols*/)
 179 {
 180     return false;
 181 }
 182
 183 bool OFileTable::DeleteRow(const OSQLColumns& /*_rCols*/)
 184 {
 185     return false;
 186 }
 187
 188 bool OFileTable::UpdateRow(OValueRefVector& /*rRow*/, OValueRefRow& /*pOrgRow*/,const ::com::sun::star::uno::Reference< ::com::sun::star::container::XIndexAccess>& /*_xCols*/)
 189 {
 190     return false;
 191 }
 192
 193 void OFileTable::addColumn(const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet>& /*descriptor*/)
 194 {
 195     OSL_FAIL( "OFileTable::addColumn: not implemented!" );
 196 }
 197
 198 void OFileTable::dropColumn(sal_Int32 /*_nPos*/)
 199 {
 200     OSL_FAIL( "OFileTable::addColumn: not implemented!" );
 201 }
 202
 203
 204 SvStream* OFileTable::createStream_simpleError( const OUString& _rFileName, StreamMode _eOpenMode)
 205 {
 206     SvStream* pReturn = ::utl::UcbStreamHelper::CreateStream( _rFileName, _eOpenMode, bool(_eOpenMode & StreamMode::NOCREATE));
 207     if (pReturn && (ERRCODE_NONE != pReturn->GetErrorCode()))
 208     {
 209         delete pReturn;
 210         pReturn = NULL;
 211     }
 212     return pReturn;
 213 }
 214
 215
 216 void OFileTable::refreshHeader()
 217 {
 218 }
 219
 220
 221 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */