| /************************************************************** |
| * |
| * 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 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| *************************************************************/ |
| |
| |
| |
| // MARKER(update_precomp.py): autogen include statement, do not remove |
| #include "precompiled_connectivity.hxx" |
| |
| #include "java/ContextClassLoader.hxx" |
| #include "java/lang/Object.hxx" |
| |
| /** === begin UNO includes === **/ |
| /** === end UNO includes === **/ |
| |
| //........................................................................ |
| namespace connectivity { namespace jdbc |
| { |
| //........................................................................ |
| |
| /** === begin UNO using === **/ |
| using ::com::sun::star::uno::Reference; |
| using ::com::sun::star::uno::XInterface; |
| /** === end UNO using === **/ |
| |
| using ::connectivity::java_lang_Object; |
| |
| //==================================================================== |
| //= ContextClassLoaderScope |
| //==================================================================== |
| //-------------------------------------------------------------------- |
| ContextClassLoaderScope::ContextClassLoaderScope( JNIEnv& environment, const GlobalRef< jobject >& newClassLoader, |
| const ::comphelper::ResourceBasedEventLogger& _rLoggerForErrors, const Reference< XInterface >& _rxErrorContext ) |
| :m_environment( environment ) |
| ,m_currentThread( environment ) |
| ,m_oldContextClassLoader( environment ) |
| { |
| if ( !newClassLoader.is() ) |
| return; |
| |
| do // artificial loop for easier flow control |
| { |
| |
| LocalRef< jclass > threadClass( m_environment ); |
| threadClass.set( m_environment.FindClass( "java/lang/Thread" ) ); |
| if ( !threadClass.is() ) |
| break; |
| |
| jmethodID currentThreadMethod( m_environment.GetStaticMethodID( |
| threadClass.get(), "currentThread", "()Ljava/lang/Thread;" ) ); |
| if ( currentThreadMethod == NULL ) |
| break; |
| |
| m_currentThread.set( m_environment.CallStaticObjectMethod( threadClass.get(), currentThreadMethod ) ); |
| if ( !m_currentThread.is() ) |
| break; |
| |
| jmethodID getContextClassLoaderMethod( m_environment.GetMethodID( |
| threadClass.get(), "getContextClassLoader", "()Ljava/lang/ClassLoader;" ) ); |
| if ( getContextClassLoaderMethod == NULL ) |
| break; |
| m_oldContextClassLoader.set( m_environment.CallObjectMethod( m_currentThread.get(), getContextClassLoaderMethod ) ); |
| LocalRef< jthrowable > throwable( m_environment, m_environment.ExceptionOccurred() ); |
| if ( throwable.is() ) |
| break; |
| |
| m_setContextClassLoaderMethod = m_environment.GetMethodID( |
| threadClass.get(), "setContextClassLoader", "(Ljava/lang/ClassLoader;)V" ); |
| if ( m_setContextClassLoaderMethod == NULL ) |
| break; |
| |
| } |
| while ( false ); |
| |
| if ( !isActive() ) |
| { |
| java_lang_Object::ThrowLoggedSQLException( _rLoggerForErrors, &environment, _rxErrorContext ); |
| return; |
| } |
| |
| // set the new class loader |
| m_environment.CallObjectMethod( m_currentThread.get(), m_setContextClassLoaderMethod, newClassLoader.get() ); |
| LocalRef< jthrowable > throwable( m_environment, m_environment.ExceptionOccurred() ); |
| if ( throwable.is() ) |
| { |
| m_currentThread.reset(); |
| m_setContextClassLoaderMethod = NULL; |
| java_lang_Object::ThrowLoggedSQLException( _rLoggerForErrors, &environment, _rxErrorContext ); |
| } |
| } |
| |
| //-------------------------------------------------------------------- |
| void ContextClassLoaderScope::pop( bool clearExceptions ) |
| { |
| if ( isActive() ) |
| { |
| LocalRef< jobject > currentThread( m_currentThread.env(), m_currentThread.release() ); |
| jmethodID setContextClassLoaderMethod( m_setContextClassLoaderMethod ); |
| m_setContextClassLoaderMethod = NULL; |
| |
| m_environment.CallObjectMethod( currentThread.get(), setContextClassLoaderMethod, m_oldContextClassLoader.get() ); |
| if ( clearExceptions ) |
| { |
| m_environment.ExceptionClear(); |
| } |
| } |
| } |
| //........................................................................ |
| } } // namespace connectivity::jdbc |
| //........................................................................ |