112 lines
4.0 KiB
C++
112 lines
4.0 KiB
C++
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/*************************************************************************
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* $RCSfile: ContextClassLoader.hxx,v $
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*
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* $Revision: 1.2 $
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*
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* last change: $Author: ihi $ $Date: 2007-11-21 15:06:42 $
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*
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* The Contents of this file are made available subject to
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* the terms of GNU Lesser General Public License Version 2.1.
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*
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2005 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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************************************************************************/
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#ifndef CONNECTIVITY_CONTEXTCLASSLOADER_HXX
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#define CONNECTIVITY_CONTEXTCLASSLOADER_HXX
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#include "java/GlobalRef.hxx"
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/** === begin UNO includes === **/
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/** === end UNO includes === **/
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namespace comphelper
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{
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class ResourceBasedEventLogger;
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}
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//........................................................................
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namespace connectivity { namespace jdbc
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{
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//........................................................................
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//====================================================================
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//= ContextClassLoaderScope
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//====================================================================
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/**
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*/
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class ContextClassLoaderScope
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{
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public:
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/** creates the instance. If isActive returns <FALSE/> afterwards, then an exception
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happend in the JVM, which should be raised as UNO exception by the caller
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@param environment
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the current JNI environment
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@param newClassLoader
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the new class loader to set at the current thread
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@param _rLoggerForErrors
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the logger which should be passed to java_lang_object::ThrowLoggedSQLException in case
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an error occurs
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@param _rxErrorContext
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the context which should be passed to java_lang_object::ThrowLoggedSQLException in case
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an error occurs
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*/
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ContextClassLoaderScope(
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JNIEnv& environment,
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const GlobalRef< jobject >& newClassLoader,
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const ::comphelper::ResourceBasedEventLogger& _rLoggerForErrors,
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const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& _rxErrorContext
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);
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~ContextClassLoaderScope() { pop(true); }
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void pop() { pop(false); }
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bool isActive() const
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{
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return ( m_currentThread.is() )
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&& ( m_setContextClassLoaderMethod != NULL );
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}
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private:
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ContextClassLoaderScope(ContextClassLoaderScope &); // not defined
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void operator =(ContextClassLoaderScope &); // not defined
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void pop( bool clearExceptions );
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JNIEnv& m_environment;
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LocalRef< jobject > m_currentThread;
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LocalRef< jobject > m_oldContextClassLoader;
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jmethodID m_setContextClassLoaderMethod;
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};
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//........................................................................
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} } // namespace connectivity::jdbc
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//........................................................................
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#endif // CONNECTIVITY_CONTEXTCLASSLOADER_HXX
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