forked from amazingfate/loongoffice
ac9212feed
Conflicts: connectivity/source/inc/odbc/OConnection.hxx Change-Id: I5ca98359e18cf1b27bf53037dde211774d798626 Reviewed-on: https://gerrit.libreoffice.org/8245 Tested-by: Caolán McNamara <caolanm@redhat.com> Reviewed-by: Caolán McNamara <caolanm@redhat.com>
119 lines
4.3 KiB
C++
119 lines
4.3 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include "java/ContextClassLoader.hxx"
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#include "java/lang/Object.hxx"
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namespace connectivity { namespace jdbc
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{
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using ::com::sun::star::uno::Reference;
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using ::com::sun::star::uno::XInterface;
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using ::connectivity::java_lang_Object;
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//= ContextClassLoaderScope
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ContextClassLoaderScope::ContextClassLoaderScope( JNIEnv& environment, const GlobalRef< jobject >& newClassLoader,
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const ::comphelper::ResourceBasedEventLogger& _rLoggerForErrors, const Reference< XInterface >& _rxErrorContext )
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:m_environment( environment )
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,m_currentThread( environment )
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,m_oldContextClassLoader( environment )
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,m_setContextClassLoaderMethod( NULL )
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{
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if ( !newClassLoader.is() )
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return;
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do // artificial loop for easier flow control
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{
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LocalRef< jclass > threadClass( m_environment );
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threadClass.set( m_environment.FindClass( "java/lang/Thread" ) );
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if ( !threadClass.is() )
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break;
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jmethodID currentThreadMethod( m_environment.GetStaticMethodID(
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threadClass.get(), "currentThread", "()Ljava/lang/Thread;" ) );
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if ( currentThreadMethod == NULL )
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break;
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m_currentThread.set( m_environment.CallStaticObjectMethod( threadClass.get(), currentThreadMethod ) );
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if ( !m_currentThread.is() )
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break;
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jmethodID getContextClassLoaderMethod( m_environment.GetMethodID(
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threadClass.get(), "getContextClassLoader", "()Ljava/lang/ClassLoader;" ) );
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if ( getContextClassLoaderMethod == NULL )
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break;
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m_oldContextClassLoader.set( m_environment.CallObjectMethod( m_currentThread.get(), getContextClassLoaderMethod ) );
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LocalRef< jthrowable > throwable( m_environment, m_environment.ExceptionOccurred() );
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if ( throwable.is() )
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break;
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m_setContextClassLoaderMethod = m_environment.GetMethodID(
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threadClass.get(), "setContextClassLoader", "(Ljava/lang/ClassLoader;)V" );
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if ( m_setContextClassLoaderMethod == NULL )
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break;
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}
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while ( false );
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if ( !isActive() )
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{
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java_lang_Object::ThrowLoggedSQLException( _rLoggerForErrors, &environment, _rxErrorContext );
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return;
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}
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// set the new class loader
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m_environment.CallObjectMethod( m_currentThread.get(), m_setContextClassLoaderMethod, newClassLoader.get() );
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LocalRef< jthrowable > throwable( m_environment, m_environment.ExceptionOccurred() );
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if ( throwable.is() )
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{
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m_currentThread.reset();
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m_setContextClassLoaderMethod = NULL;
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java_lang_Object::ThrowLoggedSQLException( _rLoggerForErrors, &environment, _rxErrorContext );
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}
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}
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void ContextClassLoaderScope::pop( bool clearExceptions )
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{
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if ( isActive() )
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{
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LocalRef< jobject > currentThread( m_currentThread.env(), m_currentThread.release() );
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jmethodID setContextClassLoaderMethod( m_setContextClassLoaderMethod );
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m_setContextClassLoaderMethod = NULL;
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m_environment.CallObjectMethod( currentThread.get(), setContextClassLoaderMethod, m_oldContextClassLoader.get() );
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if ( clearExceptions )
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{
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m_environment.ExceptionClear();
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}
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}
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}
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} } // namespace connectivity::jdbc
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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