1*cdf0e10cSrcweir /************************************************************************* 2*cdf0e10cSrcweir * 3*cdf0e10cSrcweir * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4*cdf0e10cSrcweir * 5*cdf0e10cSrcweir * Copyright 2000, 2010 Oracle and/or its affiliates. 6*cdf0e10cSrcweir * 7*cdf0e10cSrcweir * OpenOffice.org - a multi-platform office productivity suite 8*cdf0e10cSrcweir * 9*cdf0e10cSrcweir * This file is part of OpenOffice.org. 10*cdf0e10cSrcweir * 11*cdf0e10cSrcweir * OpenOffice.org is free software: you can redistribute it and/or modify 12*cdf0e10cSrcweir * it under the terms of the GNU Lesser General Public License version 3 13*cdf0e10cSrcweir * only, as published by the Free Software Foundation. 14*cdf0e10cSrcweir * 15*cdf0e10cSrcweir * OpenOffice.org is distributed in the hope that it will be useful, 16*cdf0e10cSrcweir * but WITHOUT ANY WARRANTY; without even the implied warranty of 17*cdf0e10cSrcweir * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18*cdf0e10cSrcweir * GNU Lesser General Public License version 3 for more details 19*cdf0e10cSrcweir * (a copy is included in the LICENSE file that accompanied this code). 20*cdf0e10cSrcweir * 21*cdf0e10cSrcweir * You should have received a copy of the GNU Lesser General Public License 22*cdf0e10cSrcweir * version 3 along with OpenOffice.org. If not, see 23*cdf0e10cSrcweir * <http://www.openoffice.org/license.html> 24*cdf0e10cSrcweir * for a copy of the LGPLv3 License. 25*cdf0e10cSrcweir * 26*cdf0e10cSrcweir ************************************************************************/ 27*cdf0e10cSrcweir 28*cdf0e10cSrcweir // MARKER(update_precomp.py): autogen include statement, do not remove 29*cdf0e10cSrcweir #include "precompiled_connectivity.hxx" 30*cdf0e10cSrcweir 31*cdf0e10cSrcweir #include "java/ContextClassLoader.hxx" 32*cdf0e10cSrcweir #include "java/lang/Object.hxx" 33*cdf0e10cSrcweir 34*cdf0e10cSrcweir /** === begin UNO includes === **/ 35*cdf0e10cSrcweir /** === end UNO includes === **/ 36*cdf0e10cSrcweir 37*cdf0e10cSrcweir //........................................................................ 38*cdf0e10cSrcweir namespace connectivity { namespace jdbc 39*cdf0e10cSrcweir { 40*cdf0e10cSrcweir //........................................................................ 41*cdf0e10cSrcweir 42*cdf0e10cSrcweir /** === begin UNO using === **/ 43*cdf0e10cSrcweir using ::com::sun::star::uno::Reference; 44*cdf0e10cSrcweir using ::com::sun::star::uno::XInterface; 45*cdf0e10cSrcweir /** === end UNO using === **/ 46*cdf0e10cSrcweir 47*cdf0e10cSrcweir using ::connectivity::java_lang_Object; 48*cdf0e10cSrcweir 49*cdf0e10cSrcweir //==================================================================== 50*cdf0e10cSrcweir //= ContextClassLoaderScope 51*cdf0e10cSrcweir //==================================================================== 52*cdf0e10cSrcweir //-------------------------------------------------------------------- 53*cdf0e10cSrcweir ContextClassLoaderScope::ContextClassLoaderScope( JNIEnv& environment, const GlobalRef< jobject >& newClassLoader, 54*cdf0e10cSrcweir const ::comphelper::ResourceBasedEventLogger& _rLoggerForErrors, const Reference< XInterface >& _rxErrorContext ) 55*cdf0e10cSrcweir :m_environment( environment ) 56*cdf0e10cSrcweir ,m_currentThread( environment ) 57*cdf0e10cSrcweir ,m_oldContextClassLoader( environment ) 58*cdf0e10cSrcweir { 59*cdf0e10cSrcweir if ( !newClassLoader.is() ) 60*cdf0e10cSrcweir return; 61*cdf0e10cSrcweir 62*cdf0e10cSrcweir do // artificial loop for easier flow control 63*cdf0e10cSrcweir { 64*cdf0e10cSrcweir 65*cdf0e10cSrcweir LocalRef< jclass > threadClass( m_environment ); 66*cdf0e10cSrcweir threadClass.set( m_environment.FindClass( "java/lang/Thread" ) ); 67*cdf0e10cSrcweir if ( !threadClass.is() ) 68*cdf0e10cSrcweir break; 69*cdf0e10cSrcweir 70*cdf0e10cSrcweir jmethodID currentThreadMethod( m_environment.GetStaticMethodID( 71*cdf0e10cSrcweir threadClass.get(), "currentThread", "()Ljava/lang/Thread;" ) ); 72*cdf0e10cSrcweir if ( currentThreadMethod == NULL ) 73*cdf0e10cSrcweir break; 74*cdf0e10cSrcweir 75*cdf0e10cSrcweir m_currentThread.set( m_environment.CallStaticObjectMethod( threadClass.get(), currentThreadMethod ) ); 76*cdf0e10cSrcweir if ( !m_currentThread.is() ) 77*cdf0e10cSrcweir break; 78*cdf0e10cSrcweir 79*cdf0e10cSrcweir jmethodID getContextClassLoaderMethod( m_environment.GetMethodID( 80*cdf0e10cSrcweir threadClass.get(), "getContextClassLoader", "()Ljava/lang/ClassLoader;" ) ); 81*cdf0e10cSrcweir if ( getContextClassLoaderMethod == NULL ) 82*cdf0e10cSrcweir break; 83*cdf0e10cSrcweir m_oldContextClassLoader.set( m_environment.CallObjectMethod( m_currentThread.get(), getContextClassLoaderMethod ) ); 84*cdf0e10cSrcweir LocalRef< jthrowable > throwable( m_environment, m_environment.ExceptionOccurred() ); 85*cdf0e10cSrcweir if ( throwable.is() ) 86*cdf0e10cSrcweir break; 87*cdf0e10cSrcweir 88*cdf0e10cSrcweir m_setContextClassLoaderMethod = m_environment.GetMethodID( 89*cdf0e10cSrcweir threadClass.get(), "setContextClassLoader", "(Ljava/lang/ClassLoader;)V" ); 90*cdf0e10cSrcweir if ( m_setContextClassLoaderMethod == NULL ) 91*cdf0e10cSrcweir break; 92*cdf0e10cSrcweir 93*cdf0e10cSrcweir } 94*cdf0e10cSrcweir while ( false ); 95*cdf0e10cSrcweir 96*cdf0e10cSrcweir if ( !isActive() ) 97*cdf0e10cSrcweir { 98*cdf0e10cSrcweir java_lang_Object::ThrowLoggedSQLException( _rLoggerForErrors, &environment, _rxErrorContext ); 99*cdf0e10cSrcweir return; 100*cdf0e10cSrcweir } 101*cdf0e10cSrcweir 102*cdf0e10cSrcweir // set the new class loader 103*cdf0e10cSrcweir m_environment.CallObjectMethod( m_currentThread.get(), m_setContextClassLoaderMethod, newClassLoader.get() ); 104*cdf0e10cSrcweir LocalRef< jthrowable > throwable( m_environment, m_environment.ExceptionOccurred() ); 105*cdf0e10cSrcweir if ( throwable.is() ) 106*cdf0e10cSrcweir { 107*cdf0e10cSrcweir m_currentThread.reset(); 108*cdf0e10cSrcweir m_setContextClassLoaderMethod = NULL; 109*cdf0e10cSrcweir java_lang_Object::ThrowLoggedSQLException( _rLoggerForErrors, &environment, _rxErrorContext ); 110*cdf0e10cSrcweir } 111*cdf0e10cSrcweir } 112*cdf0e10cSrcweir 113*cdf0e10cSrcweir //-------------------------------------------------------------------- 114*cdf0e10cSrcweir void ContextClassLoaderScope::pop( bool clearExceptions ) 115*cdf0e10cSrcweir { 116*cdf0e10cSrcweir if ( isActive() ) 117*cdf0e10cSrcweir { 118*cdf0e10cSrcweir LocalRef< jobject > currentThread( m_currentThread.env(), m_currentThread.release() ); 119*cdf0e10cSrcweir jmethodID setContextClassLoaderMethod( m_setContextClassLoaderMethod ); 120*cdf0e10cSrcweir m_setContextClassLoaderMethod = NULL; 121*cdf0e10cSrcweir 122*cdf0e10cSrcweir m_environment.CallObjectMethod( currentThread.get(), setContextClassLoaderMethod, m_oldContextClassLoader.get() ); 123*cdf0e10cSrcweir if ( clearExceptions ) 124*cdf0e10cSrcweir { 125*cdf0e10cSrcweir m_environment.ExceptionClear(); 126*cdf0e10cSrcweir } 127*cdf0e10cSrcweir } 128*cdf0e10cSrcweir } 129*cdf0e10cSrcweir //........................................................................ 130*cdf0e10cSrcweir } } // namespace connectivity::jdbc 131*cdf0e10cSrcweir //........................................................................ 132