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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 .
*/
#ifndef INCLUDED_CONNECTIVITY_SQLERROR_HXX
#define INCLUDED_CONNECTIVITY_SQLERROR_HXX
#include <com/sun/star/sdbc/SQLException.hpp>
#include <com/sun/star/uno/XComponentContext.hpp>
#include <connectivity/dbtoolsdllapi.hxx>
#include <boost/optional.hpp>
#include <memory>
namespace connectivity
{
//= ErrorCondition
/** the type of error codes to be used in SQLExceptions
@see css::sdbc::SQLException::ErrorCode
*/
typedef ::sal_Int32 ErrorCode;
/** error condition values as defined in css::sdb::ErrorCondition
*/
typedef ::sal_Int32 ErrorCondition;
//= SQLError
class SQLError_Impl;
/** a class which provides helpers for working with SQLErrors
In particular, this class provides vendor-specific error codes (where
the vendor is OpenOffice.org Base), which can be used in OOo's various
database drivers, and checked in application-level code, to properly
recognize highly specific error conditions.
@see css::sdb::ErrorCondition
*/
class OOO_DLLPUBLIC_DBTOOLS SQLError
{
public:
// - optional
/** convenience wrapper around boost::optional, allowing implicit construction
*/
class ParamValue : public ::boost::optional< OUString >
{
typedef ::boost::optional< OUString > base_type;
public:
ParamValue( ) : base_type( ) { }
ParamValue( OUString const& val ) : base_type( val ) { }
ParamValue( ParamValue const& rhs ) : base_type( static_cast<base_type const&>( rhs ) ) { }
bool is() const { return !base_type::operator!(); }
};
public:
SQLError();
~SQLError();
/** returns the message associated with a given error condition, after (optionally) replacing
a placeholder with a given string
Some error messages need to contain references to runtime-dependent data (say, the
name of a concrete table in the database), which in the resource file's strings are
represented by a placeholder, namely $1$, $2, and so on. This method allows to
retrieve such an error message, and replace up to 3 placeholders with their concrete
values.
In a non-product build, assertions will fire if the number of placeholders in the
message's resource string does not match the number of passed parameter values.
As specified in the css::sdb::ErrorCondition type,
error messages thrown by core components of OpenOffice.org Base will contain
a standardized prefix "[OOoBase]" in every message.
@see css::sdb::ErrorCondition
*/
OUString getErrorMessage(
const ErrorCondition _eCondition
) const;
/** returns the error code associated with a given error condition
@see getErrorMessage
@see css::sdb::ErrorCondition
@see css::sdbc::SQLException::ErrorCode
*/
static ErrorCode
getErrorCode( const ErrorCondition _eCondition );
/** returns the prefix which is used for OpenOffice.org Base's error messages
As specified in the css::sdb::ErrorCondition type,
error messages thrown by core components of OpenOffice.org Base will
contain a standardized prefix in every message. <code>getBaseErrorMessagePrefix</code>
returns this prefix, so clients of such error messages might decide to strip this
prefix before presenting the message to the user, or use it to determine
whether a concrete error has been raised by a OpenOffice.org core component.
*/
static const OUString&
getMessagePrefix();
/** throws an SQLException describing the given error condition
The thrown SQLException will contain the OOo-specific error code which derives
from the given error condition, and the error message associated with that condition.
@param _eCondition
the ErrorCondition which hit you
@param _rxContext
the context in which the error occurred. This will be filled in as
<member scope="css::uno">Exception::Context</member> member.
@param _rParamValue1
a runtime-dependent value which should be filled into the error message
which is associated with <arg>_eCondition</arg>, replacing the first placeholder
in this message.
@param _rParamValue2
a runtime-dependent value which should be filled into the error message
which is associated with <arg>_eCondition</arg>, replacing the second placeholder
in this message.
@param _rParamValue3
a runtime-dependent value which should be filled into the error message
which is associated with <arg>_eCondition</arg>, replacing the third placeholder
in this message.
@see getErrorMessage
@see getErrorCode
*/
void raiseException(
const ErrorCondition _eCondition,
const css::uno::Reference< css::uno::XInterface >& _rxContext,
const ParamValue& _rParamValue1 = ParamValue(),
const ParamValue& _rParamValue2 = ParamValue(),
const ParamValue& _rParamValue3 = ParamValue()
) const;
/** throws an SQLException describing the given error condition
The thrown SQLException will contain the OOo-specific error code which derives
from the given error condition, and the error message associated with that condition.
Note: You should prefer the version of raiseException which takes
an additional Context parameter, since this allows clients of your
exception to examine where the error occurred.
@param _eCondition
the ErrorCondition which hit you
@see getErrorMessage
@see getErrorCode
*/
void raiseException(
const ErrorCondition _eCondition
) const;
/** raises a typed exception, that is, a UNO exception which is derived from
css::sdbc::SQLException
@param _eCondition
the ErrorCondition which hit you
@param _rxContext
the context in which the error occurred. This will be filled in as
<member scope="css::uno">Exception::Context</member> member.
@param _rExceptionType
the type of the exception to throw. This type <em>must</em> specify
an exception class derived from css::sdbc::SQLException.
@throws ::std::bad_cast
if <arg>_rExceptionType</arg> does not specify an exception class derived from
css::sdbc::SQLException.
@see getErrorMessage
@see getErrorCode
*/
void raiseTypedException(
const ErrorCondition _eCondition,
const css::uno::Reference< css::uno::XInterface >& _rxContext,
const css::uno::Type& _rExceptionType
) const;
/** retrieves an <code>SQLException</code> object which contains information about
the given error condition
@param _eCondition
the ErrorCondition which hit you
@param _rxContext
the context in which the error occurred. This will be filled in as
<member scope="css::uno">Exception::Context</member> member.
@param _rParamValue1
a runtime-dependent value which should be filled into the error message
which is associated with <arg>_eCondition</arg>, replacing the first placeholder
in this message.
@param _rParamValue2
a runtime-dependent value which should be filled into the error message
which is associated with <arg>_eCondition</arg>, replacing the second placeholder
in this message.
@param _rParamValue3
a runtime-dependent value which should be filled into the error message
which is associated with <arg>_eCondition</arg>, replacing the third placeholder
in this message.
@see getErrorMessage
@see getErrorCode
*/
css::sdbc::SQLException
getSQLException(
const ErrorCondition _eCondition,
const css::uno::Reference< css::uno::XInterface >& _rxContext,
const ParamValue& _rParamValue1 = ParamValue(),
const ParamValue& _rParamValue2 = ParamValue(),
const ParamValue& _rParamValue3 = ParamValue()
) const;
private:
std::shared_ptr< SQLError_Impl > m_pImpl;
};
} // namespace connectivity
#endif // INCLUDED_CONNECTIVITY_SQLERROR_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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