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 <stdio.h>
  22 #include "file/FTable.hxx"
  23 #include "file/FColumns.hxx"
  24 #include <com/sun/star/sdbc/XRow.hpp>
  25 #include <com/sun/star/sdbc/XResultSet.hpp>
  26 #include <cppuhelper/typeprovider.hxx>
  27 #include <com/sun/star/lang/DisposedException.hpp>
  28 #include <com/sun/star/sdbc/ColumnValue.hpp>
  29 #include <unotools/ucbstreamhelper.hxx>
  30 #include <tools/debug.hxx>
  31
  32 using namespace connectivity;
  33 using namespace connectivity::file;
  34 using namespace ::com::sun::star::uno;
  35 using namespace ::com::sun::star::beans;
  36 using namespace ::com::sun::star::sdbcx;
  37 using namespace ::com::sun::star::sdbc;
  38 using namespace ::com::sun::star::container;
  39
  40 OFileTable::OFileTable(sdbcx::OCollection* _pTables,OConnection* _pConnection)
  41 : OTable_TYPEDEF(_pTables,_pConnection->getMetaData()->supportsMixedCaseQuotedIdentifiers())
  42                 ,m_pConnection(_pConnection)
  43                 ,m_pFileStream(NULL)
  44                 ,m_nFilePos(0)
  45                 ,m_pBuffer(NULL)
  46                 ,m_nBufferSize(0)
  47                 ,m_bWriteable(false)
  48 {
  49     construct();
  50     m_aColumns = new OSQLColumns();
  51 }
  52
  53 OFileTable::OFileTable( sdbcx::OCollection* _pTables,OConnection* _pConnection,
  54                         const OUString& _Name,
  55                         const OUString& _Type,
  56                         const OUString& _Description ,
  57                         const OUString& _SchemaName,
  58                         const OUString& _CatalogName )
  59     : OTable_TYPEDEF(_pTables,_pConnection->getMetaData()->supportsMixedCaseQuotedIdentifiers(),
  60                      _Name,
  61                      _Type,
  62                      _Description,
  63                      _SchemaName,
  64                      _CatalogName)
  65     , m_pConnection(_pConnection)
  66     , m_pFileStream(NULL)
  67     , m_nFilePos(0)
  68     , m_pBuffer(NULL)
  69     , m_nBufferSize(0)
  70     , m_bWriteable(false)
  71 {
  72     m_aColumns = new OSQLColumns();
  73     construct();
  74     //  refreshColumns();
  75 }
  76
  77 OFileTable::~OFileTable( )
  78 {
  79 }
  80
  81 void OFileTable::refreshColumns()
  82 {
  83     TStringVector aVector;
  84     Reference< XResultSet > xResult = m_pConnection->getMetaData()->getColumns(Any(),
  85                                                                                m_SchemaName,m_Name, OUString("%"));
  86
  87     if(xResult.is())
  88     {
  89         Reference< XRow > xRow(xResult,UNO_QUERY);
  90         while(xResult->next())
  91             aVector.push_back(xRow->getString(4));
  92     }
  93
  94     if(m_pColumns)
  95         m_pColumns->reFill(aVector);
  96     else
  97         m_pColumns  = new OColumns(this,m_aMutex,aVector);
  98 }
  99
 100 void OFileTable::refreshKeys()
 101 {
 102 }
 103
 104 void OFileTable::refreshIndexes()
 105 {
 106 }
 107
 108 Any SAL_CALL OFileTable::queryInterface( const Type & rType ) throw(RuntimeException, std::exception)
 109 {
 110     if( rType == ::getCppuType((const Reference<XKeysSupplier>*)0) ||
 111         rType == ::getCppuType((const Reference<XRename>*)0) ||
 112         rType == ::getCppuType((const Reference<XAlterTable>*)0) ||
 113         rType == ::getCppuType((const Reference<XIndexesSupplier>*)0) ||
 114         rType == ::getCppuType((const Reference<XDataDescriptorFactory>*)0))
 115         return Any();
 116
 117     return OTable_TYPEDEF::queryInterface(rType);
 118 }
 119
 120 void SAL_CALL OFileTable::disposing(void)
 121 {
 122     OTable::disposing();
 123
 124     ::osl::MutexGuard aGuard(m_aMutex);
 125
 126     FileClose();
 127 }
 128
 129 Sequence< sal_Int8 > OFileTable::getUnoTunnelImplementationId()
 130 {
 131     static ::cppu::OImplementationId * pId = 0;
 132     if (! pId)
 133     {
 134         ::osl::MutexGuard aGuard( ::osl::Mutex::getGlobalMutex() );
 135         if (! pId)
 136         {
 137             static ::cppu::OImplementationId aId;
 138             pId = &aId;
 139         }
 140     }
 141     return pId->getImplementationId();
 142 }
 143
 144 // com::sun::star::lang::XUnoTunnel
 145
 146 sal_Int64 OFileTable::getSomething( const Sequence< sal_Int8 > & rId ) throw (RuntimeException, std::exception)
 147 {
 148     return (rId.getLength() == 16 && 0 == memcmp(getUnoTunnelImplementationId().getConstArray(),  rId.getConstArray(), 16 ) )
 149                 ? reinterpret_cast< sal_Int64 >( this )
 150                 : OTable_TYPEDEF::getSomething(rId);
 151 }
 152
 153 void OFileTable::FileClose()
 154 {
 155     ::osl::MutexGuard aGuard(m_aMutex);
 156
 157     if (m_pFileStream && m_pFileStream->IsWritable())
 158         m_pFileStream->Flush();
 159
 160     delete m_pFileStream;
 161     m_pFileStream = NULL;
 162
 163     if (m_pBuffer)
 164     {
 165         delete[] m_pBuffer;
 166         m_pBuffer = NULL;
 167     }
 168 }
 169
 170 void SAL_CALL OFileTable::acquire() throw()
 171 {
 172     OTable_TYPEDEF::acquire();
 173 }
 174
 175 void SAL_CALL OFileTable::release() throw()
 176 {
 177     OTable_TYPEDEF::release();
 178 }
 179
 180 bool OFileTable::InsertRow(OValueRefVector& /*rRow*/, bool /*bFlush*/, const ::com::sun::star::uno::Reference< ::com::sun::star::container::XIndexAccess>& /*_xCols*/)
 181 {
 182     return false;
 183 }
 184
 185 bool OFileTable::DeleteRow(const OSQLColumns& /*_rCols*/)
 186 {
 187     return false;
 188 }
 189
 190 bool OFileTable::UpdateRow(OValueRefVector& /*rRow*/, OValueRefRow& /*pOrgRow*/,const ::com::sun::star::uno::Reference< ::com::sun::star::container::XIndexAccess>& /*_xCols*/)
 191 {
 192     return false;
 193 }
 194
 195 void OFileTable::addColumn(const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet>& /*descriptor*/)
 196 {
 197     OSL_FAIL( "OFileTable::addColumn: not implemented!" );
 198 }
 199
 200 void OFileTable::dropColumn(sal_Int32 /*_nPos*/)
 201 {
 202     OSL_FAIL( "OFileTable::addColumn: not implemented!" );
 203 }
 204
 205
 206 SvStream* OFileTable::createStream_simpleError( const OUString& _rFileName, StreamMode _eOpenMode)
 207 {
 208     utl::UcbLockBytesHandler* p_null_dummy = NULL;
 209     SvStream* pReturn = ::utl::UcbStreamHelper::CreateStream( _rFileName, _eOpenMode, (_eOpenMode & STREAM_NOCREATE) == STREAM_NOCREATE, p_null_dummy);
 210     if (pReturn && (ERRCODE_NONE != pReturn->GetErrorCode()))
 211     {
 212         delete pReturn;
 213         pReturn = NULL;
 214     }
 215     return pReturn;
 216 }
 217
 218
 219 void OFileTable::refreshHeader()
 220 {
 221 }
 222
 223
 224 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */