office-gobmx/dbaccess/source/sdbtools/connection/objectnames.cxx

498 lines
20 KiB
C++

/*************************************************************************
*
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*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
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*
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*
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
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*
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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_dbaccess.hxx"
#ifndef DBACCESS_SOURCE_SDBTOOLS_CONNECTION_OBJECTNAMES_HXX
#include "objectnames.hxx"
#endif
#ifndef DBACCESS_MODULE_SDBT_HXX
#include "module_sdbt.hxx"
#endif
#ifndef DBACCESS_SDBT_RESOURCE_HRC
#include "sdbt_resource.hrc"
#endif
/** === begin UNO includes === **/
#include <com/sun/star/lang/NullPointerException.hpp>
#include <com/sun/star/sdb/CommandType.hpp>
#include <com/sun/star/sdbcx/XTablesSupplier.hpp>
#include <com/sun/star/sdb/XQueriesSupplier.hpp>
#include <com/sun/star/sdb/ErrorCondition.hpp>
/** === end UNO includes === **/
#include <connectivity/dbmetadata.hxx>
#include <connectivity/dbtools.hxx>
#include <connectivity/sqlerror.hxx>
#include <cppuhelper/exc_hlp.hxx>
#include <rtl/ustrbuf.hxx>
#include <tools/string.hxx>
#include <boost/shared_ptr.hpp>
//........................................................................
namespace sdbtools
{
//........................................................................
/** === begin UNO using === **/
using ::com::sun::star::uno::Reference;
using ::com::sun::star::sdbc::XConnection;
using ::com::sun::star::lang::NullPointerException;
using ::com::sun::star::lang::IllegalArgumentException;
using ::com::sun::star::uno::RuntimeException;
using ::com::sun::star::sdbc::SQLException;
using ::com::sun::star::sdbc::XDatabaseMetaData;
using ::com::sun::star::uno::XInterface;
using ::com::sun::star::container::XNameAccess;
using ::com::sun::star::sdbc::XDatabaseMetaData;
using ::com::sun::star::uno::UNO_QUERY_THROW;
using ::com::sun::star::sdbcx::XTablesSupplier;
using ::com::sun::star::sdb::XQueriesSupplier;
using ::com::sun::star::uno::Exception;
using ::com::sun::star::uno::makeAny;
using ::com::sun::star::uno::Any;
/** === end UNO using === **/
namespace CommandType = ::com::sun::star::sdb::CommandType;
namespace ErrorCondition = ::com::sun::star::sdb::ErrorCondition;
//====================================================================
//= INameValidation
//====================================================================
class INameValidation
{
public:
virtual bool validateName( const ::rtl::OUString& _rName ) = 0;
virtual void validateName_throw( const ::rtl::OUString& _rName ) = 0;
virtual ~INameValidation() { }
};
typedef ::boost::shared_ptr< INameValidation > PNameValidation;
//====================================================================
//= PlainExistenceCheck
//====================================================================
class PlainExistenceCheck : public INameValidation
{
private:
const ::comphelper::ComponentContext m_aContext;
Reference< XConnection > m_xConnection;
Reference< XNameAccess > m_xContainer;
public:
PlainExistenceCheck( const ::comphelper::ComponentContext& _rContext, const Reference< XConnection >& _rxConnection, const Reference< XNameAccess >& _rxContainer )
:m_aContext( _rContext )
,m_xConnection( _rxConnection )
,m_xContainer( _rxContainer )
{
OSL_ENSURE( m_xContainer.is(), "PlainExistenceCheck::PlainExistenceCheck: this will crash!" );
}
// INameValidation
virtual bool validateName( const ::rtl::OUString& _rName )
{
return !m_xContainer->hasByName( _rName );
}
virtual void validateName_throw( const ::rtl::OUString& _rName )
{
if ( validateName( _rName ) )
return;
::connectivity::SQLError aErrors( m_aContext );
SQLException aError( aErrors.getSQLException( ErrorCondition::DB_OBJECT_NAME_IS_USED, m_xConnection, _rName ) );
::dbtools::DatabaseMetaData aMeta( m_xConnection );
if ( aMeta.supportsSubqueriesInFrom() )
{
String sNeedDistinctNames( SdbtRes( STR_QUERY_AND_TABLE_DISTINCT_NAMES ) );
aError.NextException <<= SQLException( sNeedDistinctNames, m_xConnection, ::rtl::OUString(), 0, Any() );
}
throw aError;
}
};
//====================================================================
//= TableValidityCheck
//====================================================================
class TableValidityCheck : public INameValidation
{
const ::comphelper::ComponentContext m_aContext;
const Reference< XConnection > m_xConnection;
public:
TableValidityCheck( const ::comphelper::ComponentContext& _rContext, const Reference< XConnection >& _rxConnection )
:m_aContext( _rContext )
,m_xConnection( _rxConnection )
{
}
virtual bool validateName( const ::rtl::OUString& _rName )
{
::dbtools::DatabaseMetaData aMeta( m_xConnection );
if ( !aMeta.restrictIdentifiersToSQL92() )
return true;
::rtl::OUString sCatalog, sSchema, sName;
::dbtools::qualifiedNameComponents(
m_xConnection->getMetaData(), _rName, sCatalog, sSchema, sName, ::dbtools::eInTableDefinitions );
::rtl::OUString sExtraNameCharacters( m_xConnection->getMetaData()->getExtraNameCharacters() );
if ( ( sCatalog.getLength() && !::dbtools::isValidSQLName( sCatalog, sExtraNameCharacters ) )
|| ( sSchema.getLength() && !::dbtools::isValidSQLName( sSchema, sExtraNameCharacters ) )
|| ( sName.getLength() && !::dbtools::isValidSQLName( sName, sExtraNameCharacters ) )
)
return false;
return true;
}
virtual void validateName_throw( const ::rtl::OUString& _rName )
{
if ( validateName( _rName ) )
return;
::connectivity::SQLError aErrors( m_aContext );
aErrors.raiseException( ErrorCondition::DB_INVALID_SQL_NAME, m_xConnection, _rName );
}
};
//====================================================================
//= QueryValidityCheck
//====================================================================
class QueryValidityCheck : public INameValidation
{
const ::comphelper::ComponentContext m_aContext;
const Reference< XConnection > m_xConnection;
public:
QueryValidityCheck( const ::comphelper::ComponentContext& _rContext, const Reference< XConnection >& _rxConnection )
:m_aContext( _rContext )
,m_xConnection( _rxConnection )
{
}
inline ::connectivity::ErrorCondition validateName_getErrorCondition( const ::rtl::OUString& _rName )
{
if ( ( _rName.indexOf( (sal_Unicode)34 ) >= 0 ) // "
|| ( _rName.indexOf( (sal_Unicode)39 ) >= 0 ) // '
|| ( _rName.indexOf( (sal_Unicode)96 ) >= 0 ) //
|| ( _rName.indexOf( (sal_Unicode)145 ) >= 0 ) //
|| ( _rName.indexOf( (sal_Unicode)146 ) >= 0 ) //
|| ( _rName.indexOf( (sal_Unicode)180 ) >= 0 ) // #86621# removed unparsable chars
)
return ErrorCondition::DB_QUERY_NAME_WITH_QUOTES;
if ( _rName.indexOf( '/') >= 0 )
return ErrorCondition::DB_OBJECT_NAME_WITH_SLASHES;
return 0;
}
virtual bool validateName( const ::rtl::OUString& _rName )
{
if ( validateName_getErrorCondition( _rName ) != 0 )
return false;
return true;
}
virtual void validateName_throw( const ::rtl::OUString& _rName )
{
::connectivity::ErrorCondition nErrorCondition = validateName_getErrorCondition( _rName );
if ( nErrorCondition != 0 )
{
::connectivity::SQLError aErrors( m_aContext );
aErrors.raiseException( nErrorCondition, m_xConnection );
}
}
};
//====================================================================
//= CombinedNameCheck
//====================================================================
class CombinedNameCheck : public INameValidation
{
private:
PNameValidation m_pPrimary;
PNameValidation m_pSecondary;
public:
CombinedNameCheck( PNameValidation _pPrimary, PNameValidation _pSecondary )
:m_pPrimary( _pPrimary )
,m_pSecondary( _pSecondary )
{
OSL_ENSURE( m_pPrimary.get() && m_pSecondary.get(), "CombinedNameCheck::CombinedNameCheck: this will crash!" );
}
// INameValidation
virtual bool validateName( const ::rtl::OUString& _rName )
{
return m_pPrimary->validateName( _rName ) && m_pSecondary->validateName( _rName );
}
virtual void validateName_throw( const ::rtl::OUString& _rName )
{
m_pPrimary->validateName_throw( _rName );
m_pSecondary->validateName_throw( _rName );
}
};
//====================================================================
//= NameCheckFactory
//====================================================================
class NameCheckFactory
{
public:
/** creates an INameValidation instance which can be used to check the existence of query or table names
@param _rContext
the component's context
@param _nCommandType
the type of objects (CommandType::TABLE or CommandType::QUERY) of which names shall be checked for existence
@param _rxConnection
the connection relative to which the names are to be checked. Must be an SDB-level connection
@throws IllegalArgumentException
if the given connection is no SDB-level connection
@throws IllegalArgumentException
if the given command type is neither CommandType::TABLE or CommandType::QUERY
*/
static PNameValidation createExistenceCheck(
const ::comphelper::ComponentContext& _rContext,
sal_Int32 _nCommandType,
const Reference< XConnection >& _rxConnection
);
/** creates an INameValidation instance which can be used to check the validity of a query or table name
@param _rContext
the component's context
@param _nCommandType
the type of objects (CommandType::TABLE or CommandType::QUERY) of which names shall be validated
@param _rxConnection
the connection relative to which the names are to be checked. Must be an SDB-level connection
@throws IllegalArgumentException
if the given connection is no SDB-level connection
@throws IllegalArgumentException
if the given command type is neither CommandType::TABLE or CommandType::QUERY
*/
static PNameValidation createValidityCheck(
const ::comphelper::ComponentContext& _rContext,
const sal_Int32 _nCommandType,
const Reference< XConnection >& _rxConnection
);
private:
NameCheckFactory(); // never implemented
private:
static void verifyCommandType( sal_Int32 _nCommandType );
};
//--------------------------------------------------------------------
void NameCheckFactory::verifyCommandType( sal_Int32 _nCommandType )
{
if ( ( _nCommandType != CommandType::TABLE )
&& ( _nCommandType != CommandType::QUERY )
)
throw IllegalArgumentException(
String( SdbtRes( STR_INVALID_COMMAND_TYPE ) ),
NULL,
0
);
}
//--------------------------------------------------------------------
PNameValidation NameCheckFactory::createExistenceCheck( const ::comphelper::ComponentContext& _rContext, sal_Int32 _nCommandType, const Reference< XConnection >& _rxConnection )
{
verifyCommandType( _nCommandType );
::dbtools::DatabaseMetaData aMeta( _rxConnection );
Reference< XNameAccess > xTables, xQueries;
try
{
Reference< XTablesSupplier > xSuppTables( _rxConnection, UNO_QUERY_THROW );
Reference< XQueriesSupplier > xQueriesSupplier( _rxConnection, UNO_QUERY_THROW );
xTables.set( xSuppTables->getTables(), UNO_QUERY_THROW );
xQueries.set( xQueriesSupplier->getQueries(), UNO_QUERY_THROW );
}
catch( const Exception& )
{
throw IllegalArgumentException(
String( SdbtRes( STR_CONN_WITHOUT_QUERIES_OR_TABLES ) ),
NULL,
0
);
}
PNameValidation pTableCheck( new PlainExistenceCheck( _rContext, _rxConnection, xTables ) );
PNameValidation pQueryCheck( new PlainExistenceCheck( _rContext, _rxConnection, xQueries ) );
PNameValidation pReturn;
if ( aMeta.supportsSubqueriesInFrom() )
pReturn.reset( new CombinedNameCheck( pTableCheck, pQueryCheck ) );
else if ( _nCommandType == CommandType::TABLE )
pReturn = pTableCheck;
else
pReturn = pQueryCheck;
return pReturn;
}
//--------------------------------------------------------------------
PNameValidation NameCheckFactory::createValidityCheck( const ::comphelper::ComponentContext& _rContext, sal_Int32 _nCommandType, const Reference< XConnection >& _rxConnection )
{
verifyCommandType( _nCommandType );
Reference< XDatabaseMetaData > xMeta;
try
{
xMeta.set( _rxConnection->getMetaData(), UNO_QUERY_THROW );
}
catch( const Exception& )
{
throw IllegalArgumentException(
::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "The connection could not provide its database's meta data." ) ),
NULL,
0
);
}
if ( _nCommandType == CommandType::TABLE )
return PNameValidation( new TableValidityCheck( _rContext, _rxConnection ) );
return PNameValidation( new QueryValidityCheck( _rContext, _rxConnection ) );
}
//====================================================================
//= ObjectNames_Impl
//====================================================================
struct ObjectNames_Impl
{
SdbtClient m_aModuleClient; // keep the module alive as long as this instance lives
};
//====================================================================
//= ObjectNames
//====================================================================
//--------------------------------------------------------------------
ObjectNames::ObjectNames( const ::comphelper::ComponentContext& _rContext, const Reference< XConnection >& _rxConnection )
:ConnectionDependentComponent( _rContext )
,m_pImpl( new ObjectNames_Impl )
{
if ( !_rxConnection.is() )
throw NullPointerException();
setWeakConnection( _rxConnection );
}
//--------------------------------------------------------------------
ObjectNames::~ObjectNames()
{
}
//--------------------------------------------------------------------
::rtl::OUString SAL_CALL ObjectNames::suggestName( ::sal_Int32 _CommandType, const ::rtl::OUString& _BaseName ) throw (IllegalArgumentException, RuntimeException)
{
EntryGuard aGuard( *this );
PNameValidation pNameCheck( NameCheckFactory::createExistenceCheck( getContext(), _CommandType, getConnection() ) );
String sBaseName( _BaseName );
if ( sBaseName.Len() == 0 )
{
if ( _CommandType == CommandType::TABLE )
sBaseName = String( SdbtRes( STR_BASENAME_TABLE ) );
else
sBaseName = String( SdbtRes( STR_BASENAME_QUERY ) );
}
::rtl::OUString sName( sBaseName );
sal_Int32 i = 1;
while ( !pNameCheck->validateName( sName ) )
{
::rtl::OUStringBuffer aNameBuffer;
aNameBuffer.append( sBaseName );
aNameBuffer.appendAscii( " " );
aNameBuffer.append( (sal_Int32)++i );
sName = aNameBuffer.makeStringAndClear();
}
return sName;
}
//--------------------------------------------------------------------
::rtl::OUString SAL_CALL ObjectNames::convertToSQLName( const ::rtl::OUString& Name ) throw (RuntimeException)
{
EntryGuard aGuard( *this );
Reference< XDatabaseMetaData > xMeta( getConnection()->getMetaData(), UNO_QUERY_THROW );
return ::dbtools::convertName2SQLName( Name, xMeta->getExtraNameCharacters() );
}
//--------------------------------------------------------------------
::sal_Bool SAL_CALL ObjectNames::isNameUsed( ::sal_Int32 _CommandType, const ::rtl::OUString& _Name ) throw (IllegalArgumentException, RuntimeException)
{
EntryGuard aGuard( *this );
PNameValidation pNameCheck( NameCheckFactory::createExistenceCheck( getContext(), _CommandType, getConnection()) );
return !pNameCheck->validateName( _Name );
}
//--------------------------------------------------------------------
::sal_Bool SAL_CALL ObjectNames::isNameValid( ::sal_Int32 _CommandType, const ::rtl::OUString& _Name ) throw (IllegalArgumentException, RuntimeException)
{
EntryGuard aGuard( *this );
PNameValidation pNameCheck( NameCheckFactory::createValidityCheck( getContext(), _CommandType, getConnection()) );
return pNameCheck->validateName( _Name );
}
//--------------------------------------------------------------------
void SAL_CALL ObjectNames::checkNameForCreate( ::sal_Int32 _CommandType, const ::rtl::OUString& _Name ) throw (SQLException, RuntimeException)
{
EntryGuard aGuard( *this );
PNameValidation pNameCheck( NameCheckFactory::createExistenceCheck( getContext(), _CommandType, getConnection() ) );
pNameCheck->validateName_throw( _Name );
pNameCheck = NameCheckFactory::createValidityCheck( getContext(), _CommandType, getConnection() );
pNameCheck->validateName_throw( _Name );
}
//........................................................................
} // namespace sdbtools
//........................................................................