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Diffstat (limited to 'connectivity/source/inc/java/ContextClassLoader.hxx')
-rw-r--r-- | connectivity/source/inc/java/ContextClassLoader.hxx | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/connectivity/source/inc/java/ContextClassLoader.hxx b/connectivity/source/inc/java/ContextClassLoader.hxx new file mode 100644 index 000000000000..fc6661c27eaa --- /dev/null +++ b/connectivity/source/inc/java/ContextClassLoader.hxx @@ -0,0 +1,106 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +#ifndef CONNECTIVITY_CONTEXTCLASSLOADER_HXX +#define CONNECTIVITY_CONTEXTCLASSLOADER_HXX + +#include "java/GlobalRef.hxx" + +/** === begin UNO includes === **/ +/** === end UNO includes === **/ + +namespace comphelper +{ + class ResourceBasedEventLogger; +} + +//........................................................................ +namespace connectivity { namespace jdbc +{ +//........................................................................ + + //==================================================================== + //= ContextClassLoaderScope + //==================================================================== + /** + */ + class ContextClassLoaderScope + { + public: + /** creates the instance. If isActive returns <FALSE/> afterwards, then an exception + happend in the JVM, which should be raised as UNO exception by the caller + + @param environment + the current JNI environment + @param newClassLoader + the new class loader to set at the current thread + @param _rLoggerForErrors + the logger which should be passed to java_lang_object::ThrowLoggedSQLException in case + an error occurs + @param _rxErrorContext + the context which should be passed to java_lang_object::ThrowLoggedSQLException in case + an error occurs + + */ + ContextClassLoaderScope( + JNIEnv& environment, + const GlobalRef< jobject >& newClassLoader, + const ::comphelper::ResourceBasedEventLogger& _rLoggerForErrors, + const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& _rxErrorContext + ); + + ~ContextClassLoaderScope() { pop(true); } + + void pop() { pop(false); } + + bool isActive() const + { + return ( m_currentThread.is() ) + && ( m_setContextClassLoaderMethod != NULL ); + } + + private: + ContextClassLoaderScope(ContextClassLoaderScope &); // not defined + void operator =(ContextClassLoaderScope &); // not defined + + void pop( bool clearExceptions ); + + JNIEnv& m_environment; + LocalRef< jobject > m_currentThread; + LocalRef< jobject > m_oldContextClassLoader; + jmethodID m_setContextClassLoaderMethod; + }; + + +//........................................................................ +} } // namespace connectivity::jdbc +//........................................................................ + +#endif // CONNECTIVITY_CONTEXTCLASSLOADER_HXX + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |