WConnection.cxx

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#include <writer/WConnection.hxx>
#include <writer/WDatabaseMetaData.hxx>
#include <writer/WCatalog.hxx>
#include <writer/WDriver.hxx>
#include <resource/sharedresources.hxx>
#include <strings.hrc>
#include <com/sun/star/frame/Desktop.hpp>
#include <com/sun/star/text/XTextDocument.hpp>
#include <tools/urlobj.hxx>
#include <sal/log.hxx>
#include <component/CPreparedStatement.hxx>
#include <component/CStatement.hxx>
#include <unotools/pathoptions.hxx>
#include <connectivity/dbexception.hxx>
#include <cppuhelper/exc_hlp.hxx>
#include <comphelper/diagnose_ex.hxx>
 
using namespace ::com::sun::star;
 
using OConnection_BASE = connectivity::file::OConnection;
 
namespace connectivity::writer
{
OWriterConnection::OWriterConnection(ODriver* _pDriver)
    : OConnection(_pDriver)
{
}
 
OWriterConnection::~OWriterConnection() = default;
 
void OWriterConnection::construct(const OUString& rURL,
                                  const uno::Sequence<beans::PropertyValue>& rInfo)
{
    //  open file
 
    sal_Int32 nLen = rURL.indexOf(':');
    nLen = rURL.indexOf(':', nLen + 1);
    OUString aDSN(rURL.copy(nLen + 1));
 
    m_aFileName = aDSN;
    INetURLObject aURL;
    aURL.SetSmartProtocol(INetProtocol::File);
    {
        SvtPathOptions aPathOptions;
        m_aFileName = aPathOptions.SubstituteVariable(m_aFileName);
    }
    aURL.SetSmartURL(m_aFileName);
    if (aURL.GetProtocol() == INetProtocol::NotValid)
    {
        //  don't pass invalid URL to loadComponentFromURL
        throw sdbc::SQLException();
    }
    m_aFileName = aURL.GetMainURL(INetURLObject::DecodeMechanism::NONE);
 
    m_sPassword.clear();
    const char pPwd[] = "password";
 
    const beans::PropertyValue* pIter = rInfo.getConstArray();
    const beans::PropertyValue* pEnd = pIter + rInfo.getLength();
    for (; pIter != pEnd; ++pIter)
    {
        if (pIter->Name == pPwd)
        {
            pIter->Value >>= m_sPassword;
            break;
        }
    } // for(;pIter != pEnd;++pIter)
    ODocHolder aDocHolder(this); // just to test that the doc can be loaded
    acquireDoc();
}
 
uno::Reference<text::XTextDocument> const& OWriterConnection::acquireDoc()
{
    if (m_xDoc.is())
    {
        osl_atomic_increment(&m_nDocCount);
        return m_xDoc;
    }
    //  open read-only as long as updating isn't implemented
    uno::Sequence<beans::PropertyValue> aArgs(m_sPassword.isEmpty() ? 2 : 3);
    auto pArgs = aArgs.getArray();
    pArgs[0].Name = "Hidden";
    pArgs[0].Value <<= true;
    pArgs[1].Name = "ReadOnly";
    pArgs[1].Value <<= true;
 
    if (!m_sPassword.isEmpty())
    {
        pArgs[2].Name = "Password";
        pArgs[2].Value <<= m_sPassword;
    }
 
    uno::Reference<frame::XDesktop2> xDesktop
        = frame::Desktop::create(getDriver()->getComponentContext());
    uno::Reference<lang::XComponent> xComponent;
    uno::Any aLoaderException;
    try
    {
        xComponent = xDesktop->loadComponentFromURL(m_aFileName, "_blank", 0, aArgs);
    }
    catch (const uno::Exception&)
    {
        aLoaderException = ::cppu::getCaughtException();
    }
 
    m_xDoc.set(xComponent, uno::UNO_QUERY);
 
    //  if the URL is not a text document, throw the exception here
    //  instead of at the first access to it
    if (!m_xDoc.is())
    {
        if (aLoaderException.hasValue())
        {
            uno::Exception aLoaderError;
            OSL_VERIFY(aLoaderException >>= aLoaderError);
 
            SAL_WARN("connectivity.writer",
                     "empty m_xDoc, " << exceptionToString(aLoaderException));
        }
 
        const OUString sError(m_aResources.getResourceStringWithSubstitution(
            STR_COULD_NOT_LOAD_FILE, "$filename$", m_aFileName));
        ::dbtools::throwGenericSQLException(sError, *this);
    }
    osl_atomic_increment(&m_nDocCount);
    m_xCloseVetoButTerminateListener.set(new CloseVetoButTerminateListener);
    m_xCloseVetoButTerminateListener->start(m_xDoc, xDesktop);
    return m_xDoc;
}
 
void OWriterConnection::releaseDoc()
{
    if (osl_atomic_decrement(&m_nDocCount) == 0)
    {
        if (m_xCloseVetoButTerminateListener.is())
        {
            m_xCloseVetoButTerminateListener->stop(); // dispose m_xDoc
            m_xCloseVetoButTerminateListener.clear();
        }
        m_xDoc.clear();
    }
}
 
void OWriterConnection::disposing()
{
    ::osl::MutexGuard aGuard(m_aMutex);
 
    m_nDocCount = 0;
    if (m_xCloseVetoButTerminateListener.is())
    {
        m_xCloseVetoButTerminateListener->stop(); // dispose m_xDoc
        m_xCloseVetoButTerminateListener.clear();
    }
    m_xDoc.clear();
 
    OConnection::disposing();
}
 
// XServiceInfo
 
IMPLEMENT_SERVICE_INFO(OWriterConnection, "com.sun.star.sdbc.drivers.writer.Connection",
                       "com.sun.star.sdbc.Connection")
 
uno::Reference<sdbc::XDatabaseMetaData> SAL_CALL OWriterConnection::getMetaData()
{
    ::osl::MutexGuard aGuard(m_aMutex);
    checkDisposed(OConnection_BASE::rBHelper.bDisposed);
 
    uno::Reference<sdbc::XDatabaseMetaData> xMetaData = m_xMetaData;
    if (!xMetaData.is())
    {
        xMetaData = new OWriterDatabaseMetaData(this);
        m_xMetaData = xMetaData;
    }
 
    return xMetaData;
}
 
css::uno::Reference<css::sdbcx::XTablesSupplier> OWriterConnection::createCatalog()
{
    ::osl::MutexGuard aGuard(m_aMutex);
    uno::Reference<css::sdbcx::XTablesSupplier> xTab = m_xCatalog;
    if (!xTab.is())
    {
        xTab = new OWriterCatalog(this);
        m_xCatalog = xTab;
    }
    return xTab;
}
 
uno::Reference<sdbc::XStatement> SAL_CALL OWriterConnection::createStatement()
{
    ::osl::MutexGuard aGuard(m_aMutex);
    checkDisposed(OConnection_BASE::rBHelper.bDisposed);
 
    uno::Reference<sdbc::XStatement> xReturn = new component::OComponentStatement(this);
    m_aStatements.push_back(uno::WeakReferenceHelper(xReturn));
    return xReturn;
}
 
uno::Reference<sdbc::XPreparedStatement>
    SAL_CALL OWriterConnection::prepareStatement(const OUString& sql)
{
    ::osl::MutexGuard aGuard(m_aMutex);
    checkDisposed(OConnection_BASE::rBHelper.bDisposed);
 
    rtl::Reference<component::OComponentPreparedStatement> pStmt
        = new component::OComponentPreparedStatement(this);
    pStmt->construct(sql);
    m_aStatements.push_back(uno::WeakReferenceHelper(*pStmt));
    return pStmt;
}
 
uno::Reference<sdbc::XPreparedStatement>
    SAL_CALL OWriterConnection::prepareCall(const OUString& /*sql*/)
{
    ::osl::MutexGuard aGuard(m_aMutex);
    checkDisposed(OConnection_BASE::rBHelper.bDisposed);
 
    ::dbtools::throwFeatureNotImplementedSQLException("XConnection::prepareCall", *this);
    return nullptr;
}
 
} // namespace
 
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