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| -rw-r--r-- | include/connectivity/dbexception.hxx | 332 |
1 files changed, 332 insertions, 0 deletions
diff --git a/include/connectivity/dbexception.hxx b/include/connectivity/dbexception.hxx new file mode 100644 index 000000000..8c9dfad33 --- /dev/null +++ b/include/connectivity/dbexception.hxx @@ -0,0 +1,332 @@ +/* -*- 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_DBEXCEPTION_HXX +#define INCLUDED_CONNECTIVITY_DBEXCEPTION_HXX + +#include <connectivity/standardsqlstate.hxx> +#include <connectivity/dbtoolsdllapi.hxx> +#include <com/sun/star/uno/Reference.hxx> + +namespace com::sun::star +{ + namespace sdb + { + class SQLContext; + struct SQLErrorEvent; + } + namespace sdbc + { + class SQLWarning; + class SQLException; + } +} + +namespace dbtools +{ + + +//= Special exception if cancel is pressed in DBA UI + +enum OOoBaseErrorCode +{ + ParameterInteractionCancelled = 1 +}; + + +//= SQLExceptionInfo - encapsulating the type info of an SQLException-derived class + + +class OOO_DLLPUBLIC_DBTOOLS SQLExceptionInfo final +{ +public: + enum class TYPE { SQLException, SQLWarning, SQLContext, Undefined }; + +private: + css::uno::Any m_aContent; + TYPE m_eType; // redundant (could be derived from m_aContent.getValueType()) + +public: + SQLExceptionInfo(); + SQLExceptionInfo(const css::sdbc::SQLException& _rError); + SQLExceptionInfo(const css::sdbc::SQLWarning& _rError); + SQLExceptionInfo(const css::sdb::SQLContext& _rError); + + /** convenience constructor + + If your error processing relies on SQLExceptions, and SQLExceptionInfos, you still may + need to display an error which consists of a simple message string only. + In those cases, you can use this constructor, which behaves as if you would have used + an SQLException containing exactly the given error message. + */ + SQLExceptionInfo( const OUString& _rSimpleErrorMessage ); + + // use for events got via XSQLErrorListener::errorOccured + SQLExceptionInfo(const css::uno::Any& _rError); + // use with the Reason member of an SQLErrorEvent or with NextElement of an SQLException + + /** prepends a plain error message to the chain of exceptions + @param _rSimpleErrorMessage + the error message to prepend + */ + void prepend( const OUString& _rErrorMessage ); + + /** appends a plain message to the chain of exceptions + @param _eType + the type of exception to append. Must be SQL_EXCEPTION, SQL_WARNING, SQL_CONTEXT, for all other + values, the behavior is undefined. + @param _rErrorMessage + the message to append + @param _rSQLState + the SQLState of the exception to append + @param _nErrorCode + the error code of the exception to append + */ + void append( TYPE _eType, const OUString& _rErrorMessage, const OUString& _rSQLState = OUString(), const sal_Int32 _nErrorCode = 0 ); + + /** throws (properly typed) the exception contained in the object + @precond + isValid() returns <TRUE/> + @throws SQLException + @throws RuntimeException + if the instance does not contain an SQLException + */ + void doThrow(); + + SQLExceptionInfo& operator=(const css::sdbc::SQLException& _rError); + SQLExceptionInfo& operator=(const css::sdbc::SQLWarning& _rError); + SQLExceptionInfo& operator=(const css::sdb::SQLContext& _rError); + SQLExceptionInfo& operator=(const css::sdb::SQLErrorEvent& _rErrorEvent); + SQLExceptionInfo& operator=(const css::uno::Any& _rCaughtSQLException); + + bool isKindOf(TYPE _eType) const; + // not just a simple comparison ! e.g. getType() == SQL_CONTEXT implies isKindOf(SQL_EXCEPTION) == sal_True ! + bool isValid() const { return m_eType != TYPE::Undefined; } + TYPE getType() const { return m_eType; } + + operator const css::sdbc::SQLException* () const; + operator const css::sdb::SQLContext* () const; + + const css::uno::Any& get() const { return m_aContent; } + + void clear() + { + m_aContent.clear(); + m_eType = TYPE::Undefined; + } + + // create an exception + static css::uno::Any createException(TYPE eType, const OUString& rErrorMessage, const OUString& rSQLState, const sal_Int32 nErrorCode); + + // find the end of the exception chain + static css::sdbc::SQLException* getLastException(css::sdbc::SQLException* pLastException); + +private: + void implDetermineType(); +}; + + +//= SQLExceptionIteratorHelper - iterating through an SQLException chain + + +class OOO_DLLPUBLIC_DBTOOLS SQLExceptionIteratorHelper final +{ + const css::sdbc::SQLException* m_pCurrent; + SQLExceptionInfo::TYPE m_eCurrentType; + +public: + /** constructs an iterator instance from an SQLException + + @param _rChainStart + the start of the exception chain to iterate. Must live as long as the iterator + instances lives, at least. + */ + SQLExceptionIteratorHelper( const css::sdbc::SQLException& _rChainStart ); + + /** constructs an iterator instance from an SQLExceptionInfo + + @param _rErrorInfo + the start of the exception chain to iterate. Must live as long as the iterator + instances lives, at least. + */ + SQLExceptionIteratorHelper( const SQLExceptionInfo& _rErrorInfo ); + + /** determines whether there are more elements in the exception chain + */ + bool hasMoreElements() const { return ( m_pCurrent != nullptr ); } + + /** retrieves the current element in the chain, or <NULL/> if the chain has been completely + traveled. + + In opposite to the second <member>current</member>, this version allows typed access to + the respective SQLException. + */ + void current( SQLExceptionInfo& _out_rInfo ) const; + + /** proceeds to the next element in the chain + + @return the current element in the chain, as <b>before</em> the chain move. + */ + const css::sdbc::SQLException* next(); + + /** proceeds to the next element in the chain + + In opposite to the second <member>current</member>, this version allows typed access to + the respective SQLException. + */ + void next( SQLExceptionInfo& _out_rInfo ); +}; + + +//= StandardExceptions + + +/** returns a standard error string for a given SQLState + + @param _eState + describes the state whose description is to retrieve. Must not be SQL_ERROR_UNSPECIFIED. + @throws RuntimeException + in case of an internal error +*/ +OOO_DLLPUBLIC_DBTOOLS OUString getStandardSQLState( StandardSQLState _eState ); + + +/** throws an exception with SQL state IM001, saying that a certain function is not supported + + @throws css::sdbc::SQLException +*/ +OOO_DLLPUBLIC_DBTOOLS void throwFunctionNotSupportedSQLException( + const OUString& _rFunctionName, + const css::uno::Reference< css::uno::XInterface >& _rxContext + ); + +/// @throws css::uno::RuntimeException +OOO_DLLPUBLIC_DBTOOLS void throwFunctionNotSupportedRuntimeException( + const OUString& _rFunctionName, + const css::uno::Reference< css::uno::XInterface >& _rxContext + ); + +/** throws a function sequence (HY010) exception + + @throws css::sdbc::SQLException +*/ +OOO_DLLPUBLIC_DBTOOLS void throwFunctionSequenceException( + const css::uno::Reference< css::uno::XInterface >& Context, + const css::uno::Any& Next = css::uno::Any() + ); + + +/** throw an invalid index sqlexception + + @throws css::sdbc::SQLException +*/ +OOO_DLLPUBLIC_DBTOOLS void throwInvalidIndexException( + const css::uno::Reference< css::uno::XInterface >& Context, + const css::uno::Any& Next = css::uno::Any() + ); + + +/** throw a generic SQLException, i.e. one with an SQLState of HY000, an ErrorCode of 0 and no NextException + + @throws css::sdbc::SQLException +*/ +OOO_DLLPUBLIC_DBTOOLS void throwGenericSQLException( + const OUString& _rMsg, + const css::uno::Reference< css::uno::XInterface >& _rxSource + ); + + +/** throw a generic SQLException, i.e. one with an SQLState of HY000, an ErrorCode of 0 and no NextException + + @throws css::sdbc::SQLException +*/ +OOO_DLLPUBLIC_DBTOOLS void throwGenericSQLException( + const OUString& _rMsg, + const css::uno::Reference< css::uno::XInterface >& _rxSource, + const css::uno::Any& _rNextException + ); + + +/** throw a SQLException with SQLState HYC00 (Optional feature not implemented) + @param _rFeatureName + a description of the feature which is not implemented. It's recommended that the feature + name is built from the name of the interface plus its method, for instance "XParameters::updateBinaryStream" + @param _rxContext + the context of the exception + @throws css::sdbc::SQLException +*/ +OOO_DLLPUBLIC_DBTOOLS void throwFeatureNotImplementedSQLException( + const OUString& _rFeatureName, + const css::uno::Reference< css::uno::XInterface >& _rxContext, + const css::uno::Any& _rNextException = css::uno::Any() + ); + +/** throw a RuntimeException (Optional feature not implemented) + @param _rFeatureName + a description of the feature which is not implemented. It's recommended that the feature + name is built from the name of the interface plus its method, for instance "XParameters::updateBinaryStream" + @param _rxContext + the context of the exception + @throws css::uno::RuntimeException +*/ +OOO_DLLPUBLIC_DBTOOLS void throwFeatureNotImplementedRuntimeException( + const OUString& _rFeatureName, + const css::uno::Reference< css::uno::XInterface >& _rxContext + ); + +/** throw a SQLException with SQLState 42S22 (Column Not Found) + @param _rColumnNameName + The column that couldn't be found. + @param _rxContext + the context of the exception + @throws css::sdbc::SQLException +*/ +OOO_DLLPUBLIC_DBTOOLS void throwInvalidColumnException( + const OUString& _rColumnName, + const css::uno::Reference< css::uno::XInterface >& _rxContext + ); + + +/** @throws css::sdbc::SQLException +*/ +OOO_DLLPUBLIC_DBTOOLS void throwSQLException( + const OUString& _rMessage, + const OUString& _rSQLState, + const css::uno::Reference< css::uno::XInterface >& _rxContext, + const sal_Int32 _nErrorCode + ); + + +/** @throws css::sdbc::SQLException +*/ +OOO_DLLPUBLIC_DBTOOLS void throwSQLException( + const OUString& _rMessage, + StandardSQLState _eSQLState, + const css::uno::Reference< css::uno::XInterface >& _rxContext, + const sal_Int32 _nErrorCode = 0 + ); + + +} // namespace dbtools + + +#endif // INCLUDED_CONNECTIVITY_DBEXCEPTION_HXX + + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |