| /************************************************************** |
| * |
| * 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. |
| * |
| *************************************************************/ |
| |
| |
| |
| #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 |
| happened 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 |