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 ::comphelper;
  28
  29 using namespace utl;
  30 using namespace ::connectivity;
  31 using namespace ::dbtools;
  32 using namespace ::connectivity::dbase;
  33 using namespace ::com::sun::star::uno;
  34 using namespace ::com::sun::star::beans;
  35 using namespace ::com::sun::star::sdbcx;
  36 using namespace ::com::sun::star::sdbc;
  37 using namespace ::com::sun::star::container;
  38 using namespace ::com::sun::star::lang;
  39
  40 sdbcx::ObjectType ODbaseIndexes::createObject(const OUString& _rName)
  41 {
  42     OUString sFile = m_pTable->getConnection()->getURL() +
  43         OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_DELIMITER) +
  44         _rName + ".ndx";
  45     if ( !UCBContentHelper::Exists(sFile) )
  46     {
  47         const OUString sError( m_pTable->getConnection()->getResources().getResourceStringWithSubstitution(
  48                 STR_COULD_NOT_LOAD_FILE,
  49                 "$filename$", sFile
  50             ) );
  51         ::dbtools::throwGenericSQLException( sError, *m_pTable );
  52     }
  53
  54     sdbcx::ObjectType xRet;
  55     std::unique_ptr<SvStream> pFileStream = ::connectivity::file::OFileTable::createStream_simpleError(sFile, StreamMode::READ | StreamMode::NOCREATE | StreamMode::SHARE_DENYWRITE);
  56     if(pFileStream)
  57     {
  58         pFileStream->SetEndian(SvStreamEndian::LITTLE);
  59         pFileStream->SetBufferSize(DINDEX_PAGE_SIZE);
  60         ODbaseIndex::NDXHeader aHeader;
  61
  62         pFileStream->Seek(0);
  63         ReadHeader(*pFileStream, aHeader);
  64         pFileStream.reset();
  65
  66         rtl::Reference<ODbaseIndex> pIndex = new ODbaseIndex(m_pTable,aHeader,_rName);
  67         xRet = pIndex;
  68         pIndex->openIndexFile();
  69     }
  70     else
  71     {
  72         const OUString sError( m_pTable->getConnection()->getResources().getResourceStringWithSubstitution(
  73                 STR_COULD_NOT_LOAD_FILE,
  74                 "$filename$", sFile
  75              ) );
  76         ::dbtools::throwGenericSQLException( sError, *m_pTable );
  77     }
  78     return xRet;
  79 }
  80
  81 void ODbaseIndexes::impl_refresh(  )
  82 {
  83     if(m_pTable)
  84         m_pTable->refreshIndexes();
  85 }
  86
  87 Reference< XPropertySet > ODbaseIndexes::createDescriptor()
  88 {
  89     return new ODbaseIndex(m_pTable);
  90 }
  91
  92 // XAppend
  93 sdbcx::ObjectType ODbaseIndexes::appendObject( const OUString& _rForName, const Reference< XPropertySet >& descriptor )
  94 {
  95     Reference<XUnoTunnel> xTunnel(descriptor,UNO_QUERY);
  96     if(xTunnel.is())
  97     {
  98         ODbaseIndex* pIndex = reinterpret_cast< ODbaseIndex* >( xTunnel->getSomething(ODbaseIndex::getUnoTunnelId()) );
  99         if(!pIndex)
 100             throw SQLException();
 101         pIndex->CreateImpl();
 102     }
 103
 104     return createObject( _rForName );
 105 }
 106
 107 // XDrop
 108 void ODbaseIndexes::dropObject(sal_Int32 _nPos, const OUString& /*_sElementName*/)
 109 {
 110     auto pIndex = comphelper::getUnoTunnelImplementation<ODbaseIndex>(getObject(_nPos));
 111     if ( pIndex )
 112         pIndex->DropImpl();
 113 }
 114
 115
 116 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */