AOO410/main/connectivity/source/drivers/file/FConnection.cxx

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 * 
 * Licensed to the Apache Software Foundation (ASF) under one
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 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
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 *   http://www.apache.org/licenses/LICENSE-2.0
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 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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 * specific language governing permissions and limitations
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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_connectivity.hxx"
#include <cppuhelper/typeprovider.hxx>
#include "file/FConnection.hxx"
#include "file/FDatabaseMetaData.hxx"
#include "file/FDriver.hxx"
#include "file/FStatement.hxx"
#include "file/FPreparedStatement.hxx"
#include <com/sun/star/sdbc/ColumnValue.hpp>
#include <com/sun/star/sdbc/XRow.hpp>
#include <com/sun/star/lang/DisposedException.hpp>
#include <com/sun/star/container/XChild.hpp>
#include <com/sun/star/ucb/XContent.hpp>
#include <com/sun/star/ucb/XContentIdentifier.hpp>
#include <tools/urlobj.hxx>
#include "file/FCatalog.hxx"
#include <unotools/pathoptions.hxx>
#include <ucbhelper/content.hxx>
#include <connectivity/dbcharset.hxx>
#include <connectivity/dbexception.hxx>
#include <osl/thread.h>
#include <osl/nlsupport.h>
#include "resource/file_res.hrc"

using namespace connectivity::file;
using namespace dbtools;
//------------------------------------------------------------------------------
using namespace com::sun::star::uno;
using namespace com::sun::star::lang;
using namespace com::sun::star::beans;
using namespace com::sun::star::sdbc;
using namespace com::sun::star::sdbcx;
using namespace com::sun::star::container;
using namespace com::sun::star::ucb;
using namespace ::ucbhelper;
using rtl::OUString;
typedef connectivity::OMetaConnection OConnection_BASE;
// --------------------------------------------------------------------------------
OConnection::OConnection(OFileDriver*	_pDriver)
						 : OSubComponent<OConnection, OConnection_BASE>((::cppu::OWeakObject*)_pDriver, this)
						 ,m_pDriver(_pDriver)
						 ,m_bClosed(sal_False)
						 ,m_bShowDeleted(sal_False)
						 ,m_bCaseSensitiveExtension( sal_True )
						 ,m_bCheckSQL92(sal_False)
                         ,m_bDefaultTextEncoding(false)
{
	m_nTextEncoding = RTL_TEXTENCODING_DONTKNOW;
}
//-----------------------------------------------------------------------------
OConnection::~OConnection()
{
	if(!isClosed(  ))
		close();
}
//-----------------------------------------------------------------------------
void SAL_CALL OConnection::release() throw()
{
	relase_ChildImpl();
}

//-----------------------------------------------------------------------------
sal_Bool OConnection::matchesExtension( const String& _rExt ) const
{
	if ( isCaseSensitveExtension() )
		return ( getExtension() == _rExt );

	String sMyExtension( getExtension() );
	sMyExtension.ToLowerAscii();
	String sExt( _rExt );
	sExt.ToLowerAscii();

	return sMyExtension == sExt;
}

//-----------------------------------------------------------------------------
void OConnection::construct(const ::rtl::OUString& url,const Sequence< PropertyValue >& info)  throw(SQLException)
{
	osl_incrementInterlockedCount( &m_refCount );

	::rtl::OUString aExt;
	const PropertyValue *pIter  = info.getConstArray();
	const PropertyValue *pEnd    = pIter + info.getLength();
	for(;pIter != pEnd;++pIter)
	{
		if(0 == pIter->Name.compareToAscii("Extension"))
			OSL_VERIFY( pIter->Value >>= aExt );
		else if(0 == pIter->Name.compareToAscii("CharSet"))
		{
			::rtl::OUString sIanaName;
			OSL_VERIFY( pIter->Value >>= sIanaName );

			::dbtools::OCharsetMap aLookupIanaName;
			::dbtools::OCharsetMap::const_iterator aLookup = aLookupIanaName.find(sIanaName, ::dbtools::OCharsetMap::IANA());
			if (aLookup != aLookupIanaName.end())
				m_nTextEncoding = (*aLookup).getEncoding();
			else
				m_nTextEncoding = RTL_TEXTENCODING_DONTKNOW;
		}
		else if (0 == pIter->Name.compareToAscii("ShowDeleted"))
		{
			OSL_VERIFY( pIter->Value >>= m_bShowDeleted );
		}
		else if (0 == pIter->Name.compareToAscii("EnableSQL92Check"))
		{
			pIter->Value >>= m_bCheckSQL92;
		}
	} // for(;pIter != pEnd;++pIter)

    {
		sal_Int32 nLen = url.indexOf(':');
		nLen = url.indexOf(':',nLen+1);
		::rtl::OUString aDSN(url.copy(nLen+1)),aUID,aPWD;

        String aFileName = aDSN;
        INetURLObject aURL;
        aURL.SetSmartProtocol(INET_PROT_FILE);
		{
			SvtPathOptions aPathOptions;
			aFileName = aPathOptions.SubstituteVariable(aFileName);
		}

		aURL.SetSmartURL(aFileName);

		setURL(aURL.GetMainURL(INetURLObject::NO_DECODE));
	}

	if ( m_nTextEncoding == RTL_TEXTENCODING_DONTKNOW )
	{
		//m_nTextEncoding = osl_getTextEncodingFromLocale(NULL);
		m_nTextEncoding = osl_getThreadTextEncoding();
        m_bDefaultTextEncoding = true;
	}

	if ( aExt.getLength() )
		m_aFilenameExtension = aExt;

	try
	{
		::ucbhelper::Content aFile;
		try
		{
			aFile = ::ucbhelper::Content(getURL(),Reference< XCommandEnvironment >());
		}
		catch(ContentCreationException& e)
		{
			throwUrlNotValid(getURL(),e.Message);
		}

		// set fields to fetch
		Sequence< OUString > aProps(1);
		OUString* pProps = aProps.getArray();
		pProps[ 0 ] = OUString::createFromAscii( "Title" );

		try
		{
			if (aFile.isFolder())
			{
				m_xDir = aFile.createDynamicCursor(aProps, ::ucbhelper::INCLUDE_DOCUMENTS_ONLY );
				m_xContent = aFile.get();
			}
			else if (aFile.isDocument())
			{
				Reference<XContent> xParent(Reference<XChild>(aFile.get(),UNO_QUERY)->getParent(),UNO_QUERY);
				Reference<XContentIdentifier> xIdent = xParent->getIdentifier();
				m_xContent = xParent;

				::ucbhelper::Content aParent(xIdent->getContentIdentifier(),Reference< XCommandEnvironment >());
				m_xDir = aParent.createDynamicCursor(aProps, ::ucbhelper::INCLUDE_DOCUMENTS_ONLY );
			}
			else
			{
				OSL_ENSURE(0,"OConnection::construct: ::ucbhelper::Content isn't a folde nor a document! How that?!");
				throw SQLException();
			}
		}
		catch(Exception& e) // a execption is thrown when no file exists
		{
			throwUrlNotValid(getURL(),e.Message);
		}
		if(!m_xDir.is() || !m_xContent.is())
			throwUrlNotValid(getURL(),::rtl::OUString());

		if (m_aFilenameExtension.Search('*') != STRING_NOTFOUND || m_aFilenameExtension.Search('?') != STRING_NOTFOUND)
			throw SQLException();
	}
	catch(const Exception&)
	{
		osl_decrementInterlockedCount( &m_refCount );
		throw;
	}

	osl_decrementInterlockedCount( &m_refCount );
}
// XServiceInfo
// --------------------------------------------------------------------------------
IMPLEMENT_SERVICE_INFO(OConnection, "com.sun.star.sdbc.drivers.file.Connection", "com.sun.star.sdbc.Connection")

// --------------------------------------------------------------------------------
Reference< XStatement > SAL_CALL OConnection::createStatement(  ) throw(SQLException, RuntimeException)
{
	::osl::MutexGuard aGuard( m_aMutex );
	checkDisposed(OConnection_BASE::rBHelper.bDisposed);


	Reference< XStatement > xReturn = new OStatement(this);
    m_aStatements.push_back(WeakReferenceHelper(xReturn));
	return xReturn;
}
// --------------------------------------------------------------------------------
Reference< XPreparedStatement > SAL_CALL OConnection::prepareStatement( const ::rtl::OUString& sql ) throw(SQLException, RuntimeException)
{
	::osl::MutexGuard aGuard( m_aMutex );
	checkDisposed(OConnection_BASE::rBHelper.bDisposed);


	OPreparedStatement* pStmt = new OPreparedStatement(this);
	Reference< XPreparedStatement > xHoldAlive = pStmt;
	pStmt->construct(sql);
    m_aStatements.push_back(WeakReferenceHelper(*pStmt));
	return pStmt;
}
// --------------------------------------------------------------------------------
Reference< XPreparedStatement > SAL_CALL OConnection::prepareCall( const ::rtl::OUString& /*sql*/ ) throw(SQLException, RuntimeException)
{
    throwFeatureNotImplementedException( "XConnection::prepareCall", *this );
    return NULL;
}
// --------------------------------------------------------------------------------
::rtl::OUString SAL_CALL OConnection::nativeSQL( const ::rtl::OUString& sql ) throw(SQLException, RuntimeException)
{
	return sql;
}
// --------------------------------------------------------------------------------
void SAL_CALL OConnection::setAutoCommit( sal_Bool autoCommit ) throw(SQLException, RuntimeException)
{
	::osl::MutexGuard aGuard( m_aMutex );
	checkDisposed(OConnection_BASE::rBHelper.bDisposed);

	m_bAutoCommit = autoCommit;
}
// --------------------------------------------------------------------------------
sal_Bool SAL_CALL OConnection::getAutoCommit(  ) throw(SQLException, RuntimeException)
{
	::osl::MutexGuard aGuard( m_aMutex );
	checkDisposed(OConnection_BASE::rBHelper.bDisposed);

	return m_bAutoCommit;
}
// --------------------------------------------------------------------------------
void SAL_CALL OConnection::commit(  ) throw(SQLException, RuntimeException)
{
}
// --------------------------------------------------------------------------------
void SAL_CALL OConnection::rollback(  ) throw(SQLException, RuntimeException)
{
}
// --------------------------------------------------------------------------------
sal_Bool SAL_CALL OConnection::isClosed(  ) throw(SQLException, RuntimeException)
{
	::osl::MutexGuard aGuard( m_aMutex );

	return OConnection_BASE::rBHelper.bDisposed;
}
// --------------------------------------------------------------------------------
Reference< XDatabaseMetaData > SAL_CALL OConnection::getMetaData(  ) throw(SQLException, RuntimeException)
{
	::osl::MutexGuard aGuard( m_aMutex );
	checkDisposed(OConnection_BASE::rBHelper.bDisposed);


	Reference< XDatabaseMetaData > xMetaData = m_xMetaData;
	if(!xMetaData.is())
	{
		xMetaData = new ODatabaseMetaData(this);
		m_xMetaData = xMetaData;
	}

	return xMetaData;
}
// --------------------------------------------------------------------------------
void SAL_CALL OConnection::setReadOnly( sal_Bool readOnly ) throw(SQLException, RuntimeException)
{
	::osl::MutexGuard aGuard( m_aMutex );
	checkDisposed(OConnection_BASE::rBHelper.bDisposed);


	m_bReadOnly = readOnly;
}
// --------------------------------------------------------------------------------
sal_Bool SAL_CALL OConnection::isReadOnly(  ) throw(SQLException, RuntimeException)
{
	::osl::MutexGuard aGuard( m_aMutex );
	checkDisposed(OConnection_BASE::rBHelper.bDisposed);


	return m_bReadOnly;
}
// --------------------------------------------------------------------------------
void SAL_CALL OConnection::setCatalog( const ::rtl::OUString& /*catalog*/ ) throw(SQLException, RuntimeException)
{
    throwFeatureNotImplementedException( "XConnection::setCatalog", *this );
}
// --------------------------------------------------------------------------------
::rtl::OUString SAL_CALL OConnection::getCatalog(  ) throw(SQLException, RuntimeException)
{
	return ::rtl::OUString();
}
// --------------------------------------------------------------------------------
void SAL_CALL OConnection::setTransactionIsolation( sal_Int32 /*level*/ ) throw(SQLException, RuntimeException)
{
    throwFeatureNotImplementedException( "XConnection::setTransactionIsolation", *this );
}
// --------------------------------------------------------------------------------
sal_Int32 SAL_CALL OConnection::getTransactionIsolation(  ) throw(SQLException, RuntimeException)
{
	return 0;
}
// --------------------------------------------------------------------------------
Reference< XNameAccess > SAL_CALL OConnection::getTypeMap(  ) throw(SQLException, RuntimeException)
{
	return NULL;
}
// --------------------------------------------------------------------------------
void SAL_CALL OConnection::setTypeMap( const Reference< XNameAccess >& /*typeMap*/ ) throw(SQLException, RuntimeException)
{
}
// --------------------------------------------------------------------------------
// XCloseable
void SAL_CALL OConnection::close(  ) throw(SQLException, RuntimeException)
{
	{
		::osl::MutexGuard aGuard( m_aMutex );
		checkDisposed(OConnection_BASE::rBHelper.bDisposed);

	}
	dispose();
}
// --------------------------------------------------------------------------------
// XWarningsSupplier
Any SAL_CALL OConnection::getWarnings(  ) throw(SQLException, RuntimeException)
{
	return Any();
}
// --------------------------------------------------------------------------------
void SAL_CALL OConnection::clearWarnings(  ) throw(SQLException, RuntimeException)
{
}
//------------------------------------------------------------------------------
void OConnection::disposing()
{
	::osl::MutexGuard aGuard(m_aMutex);
    OConnection_BASE::disposing();

	m_bClosed	= sal_True;
m_xDir.clear();
m_xContent.clear();
	m_xCatalog	= WeakReference< XTablesSupplier>();

	dispose_ChildImpl();
}
//------------------------------------------------------------------------------
Reference< XTablesSupplier > OConnection::createCatalog()
{
	::osl::MutexGuard aGuard( m_aMutex );
    Reference< XTablesSupplier > xTab = m_xCatalog;
	if(!xTab.is())
	{
		xTab = new OFileCatalog(this);
		m_xCatalog = xTab;
	}
	return xTab;
}
// -----------------------------------------------------------------------------
Reference< XDynamicResultSet > OConnection::getDir() const
{
	Reference<XDynamicResultSet> xContent;
	Sequence< ::rtl::OUString > aProps(1);
	::rtl::OUString* pProps = aProps.getArray();
	pProps[ 0 ] = ::rtl::OUString::createFromAscii( "Title" );
	try
	{
		Reference<XContentIdentifier> xIdent = getContent()->getIdentifier();
		::ucbhelper::Content aParent(xIdent->getContentIdentifier(),Reference< XCommandEnvironment >());
		xContent = aParent.createDynamicCursor(aProps, ::ucbhelper::INCLUDE_DOCUMENTS_ONLY );
	}
	catch(Exception&)
	{
	}
	return xContent;
}
// -----------------------------------------------------------------------------
sal_Int64 SAL_CALL OConnection::getSomething( const Sequence< sal_Int8 >& rId ) throw (RuntimeException)
{
	return (rId.getLength() == 16 && 0 == rtl_compareMemory(getUnoTunnelImplementationId().getConstArray(),  rId.getConstArray(), 16 ) )
		? reinterpret_cast< sal_Int64 >( this )
		: (sal_Int64)0;
}
// -----------------------------------------------------------------------------
Sequence< sal_Int8 > OConnection::getUnoTunnelImplementationId()
{
	static ::cppu::OImplementationId * pId = 0;
	if (! pId)
	{
		::osl::MutexGuard aGuard( ::osl::Mutex::getGlobalMutex() );
		if (! pId)
		{
			static ::cppu::OImplementationId aId;
			pId = &aId;
		}
	}
	return pId->getImplementationId();
}
// -----------------------------------------------------------------------------
void OConnection::throwUrlNotValid(const ::rtl::OUString & _rsUrl,const ::rtl::OUString & _rsMessage)
{
    SQLException aError;
	aError.Message = getResources().getResourceStringWithSubstitution(
                STR_NO_VALID_FILE_URL,
                "$URL$", _rsUrl
            );

	aError.SQLState = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("S1000"));
	aError.ErrorCode = 0;
	aError.Context = static_cast< XConnection* >(this);
	if (_rsMessage.getLength())
		aError.NextException <<= SQLException(_rsMessage, aError.Context, ::rtl::OUString(), 0, Any());

	throw aError;
}
// -----------------------------------------------------------------------------