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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#include "sqldataprovider.hxx"
#include <datatransformation.hxx>
#include <salhelper/thread.hxx>
#include <com/sun/star/sdb/DatabaseContext.hpp>
#include <com/sun/star/sdb/XCompletedConnection.hpp>
#include <com/sun/star/task/InteractionHandler.hpp>
#include <com/sun/star/sdbc/XRow.hpp>
#include <com/sun/star/sdbc/XResultSetMetaDataSupplier.hpp>
#include <com/sun/star/sdbc/XResultSetMetaData.hpp>
#include <dbdocutl.hxx>
#include <datamapper.hxx>
#include <vcl/svapp.hxx>
#include <comphelper/processfactory.hxx>
#include <osl/diagnose.h>
#include <tools/diagnose_ex.h>
using namespace css;
using namespace ::com::sun::star::beans;
using namespace ::com::sun::star::sdbc;
using namespace ::com::sun::star::uno;
namespace sc
{
class SQLFetchThread : public salhelper::Thread
{
ScDocument& mrDocument;
OUString maID;
const std::vector<std::shared_ptr<sc::DataTransformation>> maDataTransformations;
std::function<void()> maImportFinishedHdl;
public:
SQLFetchThread(ScDocument& rDoc, const OUString& rID, std::function<void()> aImportFinishedHdl,
const std::vector<std::shared_ptr<sc::DataTransformation>>& rTransformations);
virtual void execute() override;
};
SQLFetchThread::SQLFetchThread(
ScDocument& rDoc, const OUString& rID, std::function<void()> aImportFinishedHdl,
const std::vector<std::shared_ptr<sc::DataTransformation>>& rTransformations)
: salhelper::Thread("SQL Fetch Thread")
, mrDocument(rDoc)
, maID(rID)
, maDataTransformations(rTransformations)
, maImportFinishedHdl(aImportFinishedHdl)
{
}
void SQLFetchThread::execute()
{
sal_Int32 nIndex = maID.indexOf("@");
if (nIndex == -1)
return;
OUString aTable = maID.copy(0, nIndex);
OUString aDatabase = maID.copy(nIndex + 1);
try
{
uno::Reference<sdb::XDatabaseContext> xContext
= sdb::DatabaseContext::create(comphelper::getProcessComponentContext());
uno::Any aSourceAny = xContext->getByName(aDatabase);
uno::Reference<sdb::XCompletedConnection> xSource(aSourceAny, uno::UNO_QUERY);
if (!xSource.is())
return;
uno::Reference<task::XInteractionHandler> xHandler(
task::InteractionHandler::createWithParent(comphelper::getProcessComponentContext(),
nullptr),
uno::UNO_QUERY_THROW);
uno::Reference<sdbc::XConnection> xConnection = xSource->connectWithCompletion(xHandler);
uno::Reference<sdbc::XStatement> xStatement = xConnection->createStatement();
uno::Reference<sdbc::XResultSet> xResult
= xStatement->executeQuery("SELECT * FROM " + aTable);
if (xResult.is())
{
Reference<sdbc::XResultSetMetaDataSupplier> xMetaDataSupplier(xResult, UNO_QUERY);
Reference<sdbc::XResultSetMetaData> xMetaData = xMetaDataSupplier->getMetaData();
Reference<XRow> xRow(xResult, UNO_QUERY);
SCCOL nColCount = static_cast<SCCOL>(xMetaData->getColumnCount());
while (xResult->next())
{
SCROW nRow = static_cast<SCROW>(xResult->getRow());
for (SCCOL nCol = 0; nCol < nColCount; nCol++)
{
ScDatabaseDocUtil::PutData(mrDocument, nCol, nRow - 1, 0, xRow, nCol + 1,
xMetaData->getColumnType(nCol + 1), false);
}
}
}
}
catch (uno::Exception&)
{
TOOLS_WARN_EXCEPTION("sc", "exception in database");
}
for (auto& itr : maDataTransformations)
{
itr->Transform(mrDocument);
}
SolarMutexGuard aGuard;
maImportFinishedHdl();
}
SQLDataProvider::SQLDataProvider(ScDocument* pDoc, sc::ExternalDataSource& rDataSource)
: DataProvider(rDataSource)
, mpDocument(pDoc)
{
}
SQLDataProvider::~SQLDataProvider()
{
if (mxSQLFetchThread.is())
{
SolarMutexReleaser aReleaser;
mxSQLFetchThread->join();
}
}
void SQLDataProvider::Import()
{
// already importing data
if (mpDoc)
return;
mpDoc.reset(new ScDocument(SCDOCMODE_CLIP));
mpDoc->ResetClip(mpDocument, SCTAB(0));
mxSQLFetchThread = new SQLFetchThread(*mpDoc, mrDataSource.getID(),
std::bind(&SQLDataProvider::ImportFinished, this),
mrDataSource.getDataTransformation());
mxSQLFetchThread->launch();
if (mbDeterministic)
{
SolarMutexReleaser aReleaser;
mxSQLFetchThread->join();
}
}
void SQLDataProvider::ImportFinished()
{
mrDataSource.getDBManager()->WriteToDoc(*mpDoc);
mxSQLFetchThread.clear();
mpDoc.reset();
}
const OUString& SQLDataProvider::GetURL() const { return mrDataSource.getURL(); }
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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