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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/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file 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 http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <connectivity/sqlerror.hxx>
#include <com/sun/star/sdbc/SQLException.hpp>
#include <comphelper/officeresourcebundle.hxx>
#include <cppuhelper/exc_hlp.hxx>
#include <rtl/ustrbuf.hxx>
#include <osl/diagnose.h>
#include <string.h>
namespace connectivity
{
using ::com::sun::star::uno::Reference;
using ::com::sun::star::uno::Any;
using ::com::sun::star::uno::XInterface;
using ::com::sun::star::uno::XComponentContext;
using ::com::sun::star::sdbc::SQLException;
using ::com::sun::star::uno::Type;
//using SQLError::ParamValue; // GCC (unxlngi6) does not like this
namespace
{
typedef SQLError::ParamValue ParamValue;
}
class SQLError_Impl
{
public:
explicit SQLError_Impl( const Reference<XComponentContext> & _rxContext );
// versions of the public SQLError methods which are just delegated to this impl-class
static const OUString& getMessagePrefix();
OUString getErrorMessage( const ErrorCondition _eCondition, const ParamValue& _rParamValue1, const ParamValue& _rParamValue2, const ParamValue& _rParamValue3 );
static ErrorCode getErrorCode( const ErrorCondition _eCondition );
void raiseException( const ErrorCondition _eCondition, const Reference< XInterface >& _rxContext, const ParamValue& _rParamValue1, const ParamValue& _rParamValue2, const ParamValue& _rParamValue3 );
void raiseException( const ErrorCondition _eCondition, const ParamValue& _rParamValue1, const ParamValue& _rParamValue2, const ParamValue& _rParamValue3 );
void raiseTypedException( const ErrorCondition _eCondition, const Reference< XInterface >& _rxContext, const Type& _rExceptionType, const ParamValue& _rParamValue1, const ParamValue& _rParamValue2, const ParamValue& _rParamValue3 );
SQLException getSQLException( const ErrorCondition _eCondition, const Reference< XInterface >& _rxContext, const ParamValue& _rParamValue1, const ParamValue& _rParamValue2, const ParamValue& _rParamValue3 );
private:
/// returns the basic error message associated with the given error condition, without any parameter replacements
OUString
impl_getErrorMessage( ErrorCondition _eCondition );
/// returns the SQLState associated with the given error condition
OUString
impl_getSQLState( ErrorCondition _eCondition );
/// returns an SQLException describing the given error condition
SQLException
impl_buildSQLException( const ErrorCondition _eCondition, const Reference< XInterface >& _rxContext,
const ParamValue& _rParamValue1, const ParamValue& _rParamValue2, const ParamValue& _rParamValue3 );
/// initializes our resource bundle
bool impl_initResources();
private:
::osl::Mutex m_aMutex;
Reference<XComponentContext> m_aContext;
::std::unique_ptr< ::comphelper::OfficeResourceBundle > m_pResources;
bool m_bAttemptedInit;
};
SQLError_Impl::SQLError_Impl( const Reference<XComponentContext> & _rxContext )
:m_aContext( _rxContext )
,m_pResources( )
,m_bAttemptedInit( false )
{
}
const OUString& SQLError_Impl::getMessagePrefix()
{
static const OUString s_sMessagePrefix( "[OOoBase]" );
return s_sMessagePrefix;
}
namespace
{
/** substitutes a given placeholder in the given message with the given value
*/
void lcl_substitutePlaceholder(OUString& _rMessage, const sal_Char* _pPlaceholder, const ParamValue& rParamValue)
{
size_t nPlaceholderLen( strlen( _pPlaceholder ) );
sal_Int32 nIndex = _rMessage.indexOfAsciiL( _pPlaceholder, nPlaceholderLen );
bool bHasPlaceholder = ( nIndex != -1 );
bool bWantsPlaceholder = rParamValue.is();
OSL_ENSURE( bHasPlaceholder == bWantsPlaceholder, "lcl_substitutePlaceholder: placeholder where none is expected, or no placeholder where one is needed!" );
if ( bHasPlaceholder && bWantsPlaceholder )
_rMessage = _rMessage.replaceAt( nIndex, nPlaceholderLen, *rParamValue );
}
sal_Int32 lcl_getResourceID( const ErrorCondition _eCondition, bool _bSQLState )
{
return 256
+ 2 * ::sal::static_int_cast< sal_Int32, ErrorCondition >( _eCondition )
+ ( _bSQLState ? 1 : 0 );
}
}
OUString SQLError_Impl::getErrorMessage( const ErrorCondition _eCondition, const ParamValue& _rParamValue1, const ParamValue& _rParamValue2, const ParamValue& _rParamValue3 )
{
OUString sErrorMessage( impl_getErrorMessage( _eCondition ) );
lcl_substitutePlaceholder( sErrorMessage, "$1$", _rParamValue1 );
lcl_substitutePlaceholder( sErrorMessage, "$2$", _rParamValue2 );
lcl_substitutePlaceholder( sErrorMessage, "$3$", _rParamValue3 );
return sErrorMessage;
}
ErrorCode SQLError_Impl::getErrorCode( const ErrorCondition _eCondition )
{
return 0 - ::sal::static_int_cast< ErrorCode, ErrorCondition >( _eCondition );
}
void SQLError_Impl::raiseException( const ErrorCondition _eCondition, const Reference< XInterface >& _rxContext, const ParamValue& _rParamValue1, const ParamValue& _rParamValue2, const ParamValue& _rParamValue3 )
{
raiseTypedException(
_eCondition,
_rxContext,
::cppu::UnoType< SQLException >::get(),
_rParamValue1,
_rParamValue2,
_rParamValue3
);
}
void SQLError_Impl::raiseException( const ErrorCondition _eCondition, const ParamValue& _rParamValue1, const ParamValue& _rParamValue2, const ParamValue& _rParamValue3 )
{
raiseTypedException(
_eCondition,
nullptr,
::cppu::UnoType< SQLException >::get(),
_rParamValue1,
_rParamValue2,
_rParamValue3
);
}
void SQLError_Impl::raiseTypedException( const ErrorCondition _eCondition, const Reference< XInterface >& _rxContext,
const Type& _rExceptionType, const ParamValue& _rParamValue1, const ParamValue& _rParamValue2, const ParamValue& _rParamValue3 )
{
if ( !::cppu::UnoType< SQLException >::get().isAssignableFrom( _rExceptionType ) )
throw ::std::bad_cast();
// default-construct an exception of the desired type
Any aException( nullptr, _rExceptionType );
// fill it
SQLException* pException = static_cast< SQLException* >( aException.pData );
*pException = impl_buildSQLException( _eCondition, _rxContext, _rParamValue1, _rParamValue2, _rParamValue3 );
// throw it
::cppu::throwException( aException );
}
SQLException SQLError_Impl::getSQLException( const ErrorCondition _eCondition, const Reference< XInterface >& _rxContext,
const ParamValue& _rParamValue1, const ParamValue& _rParamValue2, const ParamValue& _rParamValue3 )
{
return impl_buildSQLException( _eCondition, _rxContext, _rParamValue1, _rParamValue2, _rParamValue3 );
}
SQLException SQLError_Impl::impl_buildSQLException( const ErrorCondition _eCondition, const Reference< XInterface >& _rxContext,
const ParamValue& _rParamValue1, const ParamValue& _rParamValue2, const ParamValue& _rParamValue3 )
{
return SQLException(
getErrorMessage( _eCondition, _rParamValue1, _rParamValue2, _rParamValue3 ),
_rxContext,
impl_getSQLState( _eCondition ),
getErrorCode( _eCondition ),
Any()
);
}
OUString SQLError_Impl::impl_getErrorMessage( ErrorCondition _eCondition )
{
OUStringBuffer aMessage;
if ( impl_initResources() )
{
OUString sResMessage( m_pResources->loadString( lcl_getResourceID( _eCondition, false ) ) );
OSL_ENSURE( !sResMessage.isEmpty(), "SQLError_Impl::impl_getErrorMessage: illegal error condition, or invalid resource!" );
aMessage.append( getMessagePrefix() ).append( " " ).append( sResMessage );
}
return aMessage.makeStringAndClear();
}
OUString SQLError_Impl::impl_getSQLState( ErrorCondition _eCondition )
{
OUString sState;
if ( impl_initResources() )
{
sal_Int32 nResourceId( lcl_getResourceID( _eCondition, true ) );
if ( m_pResources->hasString( nResourceId ) )
sState = m_pResources->loadString( nResourceId );
}
if ( sState.isEmpty() )
sState = OUString::intern( RTL_CONSTASCII_USTRINGPARAM( "S1000" ) );
return sState;
}
bool SQLError_Impl::impl_initResources()
{
if ( m_pResources.get() )
return true;
if ( m_bAttemptedInit )
return false;
::osl::MutexGuard aGuard( m_aMutex );
m_bAttemptedInit = true;
m_pResources.reset( new ::comphelper::OfficeResourceBundle( m_aContext, "sdberr" ) );
return m_pResources.get() != nullptr;
}
SQLError::SQLError( const Reference<XComponentContext> & _rxContext )
:m_pImpl( new SQLError_Impl( _rxContext ) )
{
}
SQLError::~SQLError()
{
}
const OUString& SQLError::getMessagePrefix()
{
return SQLError_Impl::getMessagePrefix();
}
OUString SQLError::getErrorMessage( const ErrorCondition _eCondition ) const
{
return m_pImpl->getErrorMessage( _eCondition, ParamValue(), ParamValue(), ParamValue() );
}
ErrorCode SQLError::getErrorCode( const ErrorCondition _eCondition )
{
return SQLError_Impl::getErrorCode( _eCondition );
}
void SQLError::raiseException( const ErrorCondition _eCondition, const Reference< XInterface >& _rxContext, const ParamValue& _rParamValue1, const ParamValue& _rParamValue2, const ParamValue& _rParamValue3 ) const
{
m_pImpl->raiseException( _eCondition, _rxContext, _rParamValue1, _rParamValue2, _rParamValue3 );
}
void SQLError::raiseException( const ErrorCondition _eCondition ) const
{
m_pImpl->raiseException( _eCondition, ParamValue(), ParamValue(), ParamValue() );
}
void SQLError::raiseTypedException( const ErrorCondition _eCondition, const Reference< XInterface >& _rxContext,
const Type& _rExceptionType ) const
{
m_pImpl->raiseTypedException( _eCondition, _rxContext, _rExceptionType, ParamValue(), ParamValue(), ParamValue() );
}
SQLException SQLError::getSQLException( const ErrorCondition _eCondition, const Reference< XInterface >& _rxContext,
const ParamValue& _rParamValue1, const ParamValue& _rParamValue2, const ParamValue& _rParamValue3 ) const
{
return m_pImpl->getSQLException( _eCondition, _rxContext, _rParamValue1, _rParamValue2, _rParamValue3 );
}
} // namespace connectivity
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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