connectivity/source/drivers/dbase/DIndexes.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 #include <dbase/DIndexes.hxx>
  21 #include <dbase/DIndex.hxx>
  22 #include <comphelper/servicehelper.hxx>
  23 #include <connectivity/dbexception.hxx>
  24 #include <unotools/ucbhelper.hxx>
  25 #include <strings.hrc>
  26
  27 using namespace utl;
  28 using namespace ::connectivity;
  29 using namespace ::dbtools;
  30 using namespace ::connectivity::dbase;
  31 using namespace ::com::sun::star::uno;
  32 using namespace ::com::sun::star::beans;
  33
  34 sdbcx::ObjectType ODbaseIndexes::createObject(const OUString& _rName)
  35 {
  36     OUString sFile = m_pTable->getConnection()->getURL() +
  37         OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_DELIMITER) +
  38         _rName + ".ndx";
  39     if ( !UCBContentHelper::Exists(sFile) )
  40     {
  41         const OUString sError( m_pTable->getConnection()->getResources().getResourceStringWithSubstitution(
  42                 STR_COULD_NOT_LOAD_FILE,
  43                 "$filename$", sFile
  44             ) );
  45         ::dbtools::throwGenericSQLException( sError, *m_pTable );
  46     }
  47
  48     sdbcx::ObjectType xRet;
  49     std::unique_ptr<SvStream> pFileStream = ::connectivity::file::OFileTable::createStream_simpleError(sFile, StreamMode::READ | StreamMode::NOCREATE | StreamMode::SHARE_DENYWRITE);
  50     if(pFileStream)
  51     {
  52         pFileStream->SetEndian(SvStreamEndian::LITTLE);
  53         pFileStream->SetBufferSize(DINDEX_PAGE_SIZE);
  54         ODbaseIndex::NDXHeader aHeader;
  55
  56         pFileStream->Seek(0);
  57         ReadHeader(*pFileStream, aHeader);
  58         pFileStream.reset();
  59
  60         rtl::Reference<ODbaseIndex> pIndex = new ODbaseIndex(m_pTable,aHeader,_rName);
  61         xRet = pIndex;
  62         pIndex->openIndexFile();
  63     }
  64     else
  65     {
  66         const OUString sError( m_pTable->getConnection()->getResources().getResourceStringWithSubstitution(
  67                 STR_COULD_NOT_LOAD_FILE,
  68                 "$filename$", sFile
  69              ) );
  70         ::dbtools::throwGenericSQLException( sError, *m_pTable );
  71     }
  72     return xRet;
  73 }
  74
  75 void ODbaseIndexes::impl_refresh(  )
  76 {
  77     if(m_pTable)
  78         m_pTable->refreshIndexes();
  79 }
  80
  81 Reference< XPropertySet > ODbaseIndexes::createDescriptor()
  82 {
  83     return new ODbaseIndex(m_pTable);
  84 }
  85
  86 // XAppend
  87 sdbcx::ObjectType ODbaseIndexes::appendObject( const OUString& _rForName, const Reference< XPropertySet >& descriptor )
  88 {
  89     ODbaseIndex* pIndex = dynamic_cast<ODbaseIndex*>(descriptor.get());
  90     if(pIndex)
  91         pIndex->CreateImpl();
  92
  93     return createObject( _rForName );
  94 }
  95
  96 // XDrop
  97 void ODbaseIndexes::dropObject(sal_Int32 _nPos, const OUString& /*_sElementName*/)
  98 {
  99     rtl::Reference<ODbaseIndex> pIndex = dynamic_cast<ODbaseIndex*>(getObject(_nPos).get());
 100     if ( pIndex )
 101         pIndex->DropImpl();
 102 }
 103
 104
 105 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */