479 lines
17 KiB
C++
479 lines
17 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 <connectivity/CommonTools.hxx>
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#include <com/sun/star/lang/WrappedTargetRuntimeException.hpp>
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#include <com/sun/star/logging/LogLevel.hpp>
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#include <java/tools.hxx>
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#include <java/sql/SQLException.hxx>
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#include <osl/diagnose.h>
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#include <java/LocalRef.hxx>
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#include <strings.hxx>
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#include <comphelper/logging.hxx>
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#include <cppuhelper/exc_hlp.hxx>
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using namespace connectivity;
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using namespace ::com::sun::star::uno;
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using namespace ::com::sun::star::sdbc;
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using namespace ::com::sun::star::lang;
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static ::rtl::Reference< jvmaccess::VirtualMachine > const & getJavaVM2(const ::rtl::Reference< jvmaccess::VirtualMachine >& _rVM = ::rtl::Reference< jvmaccess::VirtualMachine >(),
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bool _bSet = false)
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{
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static ::rtl::Reference< jvmaccess::VirtualMachine > s_VM;
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if ( _rVM.is() || _bSet )
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s_VM = _rVM;
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return s_VM;
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}
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::rtl::Reference< jvmaccess::VirtualMachine > java_lang_Object::getVM(const Reference<XComponentContext >& _rxContext)
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{
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::rtl::Reference< jvmaccess::VirtualMachine > xVM = getJavaVM2();
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if ( !xVM.is() && _rxContext.is() )
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xVM = getJavaVM2(::connectivity::getJavaVM(_rxContext));
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return xVM;
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}
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SDBThreadAttach::SDBThreadAttach()
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: m_aGuard(java_lang_Object::getVM())
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, pEnv(nullptr)
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{
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pEnv = m_aGuard.getEnvironment();
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OSL_ENSURE(pEnv,"Environment is nULL!");
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}
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SDBThreadAttach::~SDBThreadAttach()
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{
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}
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static oslInterlockedCount& getJavaVMRefCount()
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{
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static oslInterlockedCount s_nRefCount = 0;
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return s_nRefCount;
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}
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void SDBThreadAttach::addRef()
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{
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osl_atomic_increment(&getJavaVMRefCount());
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}
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void SDBThreadAttach::releaseRef()
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{
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osl_atomic_decrement(&getJavaVMRefCount());
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if ( getJavaVMRefCount() == 0 )
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{
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getJavaVM2(::rtl::Reference< jvmaccess::VirtualMachine >(),true);
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}
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}
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// static variables of the class
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jclass java_lang_Object::theClass = nullptr;
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jclass java_lang_Object::getMyClass() const
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{
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if( !theClass )
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theClass = findMyClass("java/lang/Object");
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return theClass;
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}
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// the actual constructor
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java_lang_Object::java_lang_Object()
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: object( nullptr )
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{
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SDBThreadAttach::addRef();
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}
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// the protected-constructor for the derived classes
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java_lang_Object::java_lang_Object( JNIEnv * pXEnv, jobject myObj )
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: object( nullptr )
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{
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SDBThreadAttach::addRef();
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if( pXEnv && myObj )
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object = pXEnv->NewGlobalRef( myObj );
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}
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java_lang_Object::~java_lang_Object() COVERITY_NOEXCEPT_FALSE
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{
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if( object )
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{
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SDBThreadAttach t;
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clearObject(*t.pEnv);
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}
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SDBThreadAttach::releaseRef();
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}
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void java_lang_Object::clearObject(JNIEnv& rEnv)
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{
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if( object )
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{
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rEnv.DeleteGlobalRef( object );
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object = nullptr;
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}
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}
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void java_lang_Object::clearObject()
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{
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if( object )
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{
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SDBThreadAttach t;
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clearObject(*t.pEnv);
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}
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}
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// the protected-constructor for the derived classes
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void java_lang_Object::saveRef( JNIEnv * pXEnv, jobject myObj )
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{
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OSL_ENSURE( myObj, "object in c++ -> Java Wrapper" );
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if( myObj )
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object = pXEnv->NewGlobalRef( myObj );
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}
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OUString java_lang_Object::toString() const
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{
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static jmethodID mID(nullptr);
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return callStringMethod("toString",mID);
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}
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namespace
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{
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bool lcl_translateJNIExceptionToUNOException(
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JNIEnv* _pEnvironment, const Reference< XInterface >& _rxContext, SQLException& _out_rException )
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{
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jthrowable jThrow = _pEnvironment ? _pEnvironment->ExceptionOccurred() : nullptr;
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if ( !jThrow )
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return false;
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_pEnvironment->ExceptionClear();
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// we have to clear the exception here because we want to handle it itself
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if ( _pEnvironment->IsInstanceOf( jThrow, java_sql_SQLException_BASE::st_getMyClass() ) )
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{
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java_sql_SQLException_BASE aException( _pEnvironment, jThrow );
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_out_rException = SQLException( aException.getMessage(), _rxContext,
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aException.getSQLState(), aException.getErrorCode(), Any() );
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return true;
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}
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else if ( _pEnvironment->IsInstanceOf( jThrow, java_lang_Throwable::st_getMyClass() ) )
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{
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java_lang_Throwable aThrow( _pEnvironment, jThrow );
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#if OSL_DEBUG_LEVEL > 0
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aThrow.printStackTrace();
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#endif
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OUString sMessage = aThrow.getMessage();
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if ( sMessage.isEmpty() )
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sMessage = aThrow.getLocalizedMessage();
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if( sMessage.isEmpty() )
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sMessage = aThrow.toString();
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_out_rException = SQLException( sMessage, _rxContext, OUString(), -1, Any() );
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return true;
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}
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else
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_pEnvironment->DeleteLocalRef( jThrow );
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return false;
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}
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}
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void java_lang_Object::ThrowLoggedSQLException( const ::comphelper::EventLogger& _rLogger, JNIEnv* _pEnvironment,
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const Reference< XInterface >& _rxContext )
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{
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SQLException aException;
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if ( lcl_translateJNIExceptionToUNOException( _pEnvironment, _rxContext, aException ) )
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{
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_rLogger.log( css::logging::LogLevel::SEVERE, STR_LOG_THROWING_EXCEPTION, aException.Message, aException.SQLState, aException.ErrorCode );
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throw aException;
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}
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}
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void java_lang_Object::ThrowSQLException( JNIEnv* _pEnvironment, const Reference< XInterface>& _rxContext )
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{
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SQLException aException;
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if ( lcl_translateJNIExceptionToUNOException( _pEnvironment, _rxContext, aException ) )
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throw aException;
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}
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void java_lang_Object::ThrowRuntimeException( JNIEnv* _pEnvironment, const Reference< XInterface>& _rxContext )
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{
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try
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{
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ThrowSQLException(_pEnvironment, _rxContext);
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}
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catch (const SQLException& e)
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{
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css::uno::Any anyEx = cppu::getCaughtException();
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throw css::lang::WrappedTargetRuntimeException( e.Message,
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e.Context, anyEx );
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}
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}
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void java_lang_Object::obtainMethodId_throwSQL(JNIEnv* _pEnv,const char* _pMethodName, const char* _pSignature,jmethodID& _inout_MethodID) const
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{
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if ( !_inout_MethodID )
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{
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_inout_MethodID = _pEnv->GetMethodID( getMyClass(), _pMethodName, _pSignature );
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OSL_ENSURE( _inout_MethodID, _pSignature );
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if ( !_inout_MethodID )
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throw SQLException();
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} // if ( !_inout_MethodID )
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}
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void java_lang_Object::obtainMethodId_throwRuntime(JNIEnv* _pEnv,const char* _pMethodName, const char* _pSignature,jmethodID& _inout_MethodID) const
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{
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if ( !_inout_MethodID )
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{
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_inout_MethodID = _pEnv->GetMethodID( getMyClass(), _pMethodName, _pSignature );
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OSL_ENSURE( _inout_MethodID, _pSignature );
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if ( !_inout_MethodID )
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throw RuntimeException();
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} // if ( !_inout_MethodID )
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}
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bool java_lang_Object::callBooleanMethod( const char* _pMethodName, jmethodID& _inout_MethodID ) const
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{
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bool out( false );
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SDBThreadAttach t;
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OSL_ENSURE( t.pEnv, "java_lang_Object::callBooleanMethod: no Java environment anymore!" );
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obtainMethodId_throwSQL(t.pEnv, _pMethodName,"()Z", _inout_MethodID);
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// call method
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out = t.pEnv->CallBooleanMethod( object, _inout_MethodID );
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ThrowSQLException( t.pEnv, nullptr );
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return out;
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}
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bool java_lang_Object::callBooleanMethodWithIntArg( const char* _pMethodName, jmethodID& _inout_MethodID, sal_Int32 _nArgument ) const
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{
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bool out( false );
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SDBThreadAttach t;
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OSL_ENSURE( t.pEnv, "java_lang_Object::callBooleanMethodWithIntArg: no Java environment anymore!" );
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obtainMethodId_throwSQL(t.pEnv, _pMethodName,"(I)Z", _inout_MethodID);
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// call method
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out = t.pEnv->CallBooleanMethod( object, _inout_MethodID, _nArgument );
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ThrowSQLException( t.pEnv, nullptr );
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return out;
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}
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jobject java_lang_Object::callResultSetMethod( JNIEnv& _rEnv,const char* _pMethodName, jmethodID& _inout_MethodID ) const
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{
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// call method
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jobject out = callObjectMethod(&_rEnv,_pMethodName,"()Ljava/sql/ResultSet;", _inout_MethodID);
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return out;
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}
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sal_Int32 java_lang_Object::callIntMethod_ThrowSQL(const char* _pMethodName, jmethodID& _inout_MethodID) const
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{
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SDBThreadAttach t;
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OSL_ENSURE( t.pEnv, "java_lang_Object::callIntMethod: no Java environment anymore!" );
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obtainMethodId_throwSQL(t.pEnv, _pMethodName,"()I", _inout_MethodID);
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// call method
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jint out( t.pEnv->CallIntMethod( object, _inout_MethodID ) );
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ThrowSQLException( t.pEnv, nullptr );
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return static_cast<sal_Int32>(out);
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}
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sal_Int32 java_lang_Object::callIntMethod_ThrowRuntime(const char* _pMethodName, jmethodID& _inout_MethodID) const
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{
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SDBThreadAttach t;
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OSL_ENSURE( t.pEnv, "java_lang_Object::callIntMethod: no Java environment anymore!" );
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obtainMethodId_throwRuntime(t.pEnv, _pMethodName,"()I", _inout_MethodID);
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// call method
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jint out( t.pEnv->CallIntMethod( object, _inout_MethodID ) );
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ThrowRuntimeException(t.pEnv, nullptr);
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return static_cast<sal_Int32>(out);
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}
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sal_Int32 java_lang_Object::callIntMethodWithIntArg_ThrowSQL( const char* _pMethodName, jmethodID& _inout_MethodID,sal_Int32 _nArgument ) const
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{
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SDBThreadAttach t;
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OSL_ENSURE( t.pEnv, "java_lang_Object::callIntMethod: no Java environment anymore!" );
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obtainMethodId_throwSQL(t.pEnv, _pMethodName,"(I)I", _inout_MethodID);
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// call method
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jint out( t.pEnv->CallIntMethod( object, _inout_MethodID , _nArgument) );
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ThrowSQLException( t.pEnv, nullptr );
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return static_cast<sal_Int32>(out);
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}
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sal_Int32 java_lang_Object::callIntMethodWithIntArg_ThrowRuntime( const char* _pMethodName, jmethodID& _inout_MethodID,sal_Int32 _nArgument ) const
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{
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SDBThreadAttach t;
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OSL_ENSURE( t.pEnv, "java_lang_Object::callIntMethod: no Java environment anymore!" );
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obtainMethodId_throwRuntime(t.pEnv, _pMethodName,"(I)I", _inout_MethodID);
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// call method
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jint out( t.pEnv->CallIntMethod( object, _inout_MethodID , _nArgument) );
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ThrowRuntimeException(t.pEnv, nullptr);
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return static_cast<sal_Int32>(out);
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}
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void java_lang_Object::callVoidMethod_ThrowSQL( const char* _pMethodName, jmethodID& _inout_MethodID) const
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{
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SDBThreadAttach t;
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OSL_ENSURE( t.pEnv, "java_lang_Object::callIntMethod: no Java environment anymore!" );
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obtainMethodId_throwSQL(t.pEnv, _pMethodName,"()V", _inout_MethodID);
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// call method
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t.pEnv->CallVoidMethod( object, _inout_MethodID );
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ThrowSQLException( t.pEnv, nullptr );
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}
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void java_lang_Object::callVoidMethod_ThrowRuntime( const char* _pMethodName, jmethodID& _inout_MethodID) const
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{
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SDBThreadAttach t;
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OSL_ENSURE( t.pEnv, "java_lang_Object::callIntMethod: no Java environment anymore!" );
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obtainMethodId_throwRuntime(t.pEnv, _pMethodName,"()V", _inout_MethodID);
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// call method
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t.pEnv->CallVoidMethod( object, _inout_MethodID );
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ThrowRuntimeException(t.pEnv, nullptr);
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}
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void java_lang_Object::callVoidMethodWithIntArg_ThrowSQL( const char* _pMethodName, jmethodID& _inout_MethodID, sal_Int32 _nArgument ) const
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{
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SDBThreadAttach t;
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OSL_ENSURE( t.pEnv, "java_lang_Object::callIntMethod: no Java environment anymore!" );
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obtainMethodId_throwSQL(t.pEnv, _pMethodName,"(I)V", _inout_MethodID);
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// call method
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t.pEnv->CallVoidMethod( object, _inout_MethodID,_nArgument );
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ThrowSQLException( t.pEnv, nullptr );
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}
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void java_lang_Object::callVoidMethodWithIntArg_ThrowRuntime( const char* _pMethodName, jmethodID& _inout_MethodID, sal_Int32 _nArgument ) const
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{
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SDBThreadAttach t;
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OSL_ENSURE( t.pEnv, "java_lang_Object::callIntMethod: no Java environment anymore!" );
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obtainMethodId_throwRuntime(t.pEnv, _pMethodName,"(I)V", _inout_MethodID);
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// call method
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t.pEnv->CallVoidMethod( object, _inout_MethodID,_nArgument );
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ThrowRuntimeException(t.pEnv, nullptr);
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}
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void java_lang_Object::callVoidMethodWithBoolArg_ThrowSQL( const char* _pMethodName, jmethodID& _inout_MethodID, bool _nArgument ) const
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{
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SDBThreadAttach t;
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OSL_ENSURE( t.pEnv, "java_lang_Object::callIntMethod: no Java environment anymore!" );
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obtainMethodId_throwSQL(t.pEnv, _pMethodName,"(Z)V", _inout_MethodID);
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// call method
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t.pEnv->CallVoidMethod( object, _inout_MethodID,int(_nArgument) );
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ThrowSQLException( t.pEnv, nullptr );
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}
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void java_lang_Object::callVoidMethodWithBoolArg_ThrowRuntime( const char* _pMethodName, jmethodID& _inout_MethodID, bool _nArgument ) const
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{
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SDBThreadAttach t;
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OSL_ENSURE( t.pEnv, "java_lang_Object::callIntMethod: no Java environment anymore!" );
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obtainMethodId_throwRuntime(t.pEnv, _pMethodName,"(Z)V", _inout_MethodID);
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// call method
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t.pEnv->CallVoidMethod( object, _inout_MethodID,int(_nArgument) );
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ThrowRuntimeException(t.pEnv, nullptr);
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}
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OUString java_lang_Object::callStringMethod( const char* _pMethodName, jmethodID& _inout_MethodID ) const
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{
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SDBThreadAttach t;
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OSL_ENSURE( t.pEnv, "java_lang_Object::callStringMethod: no Java environment anymore!" );
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// call method
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jstring out = static_cast<jstring>(callObjectMethod(t.pEnv,_pMethodName,"()Ljava/lang/String;", _inout_MethodID));
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return JavaString2String( t.pEnv, out );
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}
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jobject java_lang_Object::callObjectMethod( JNIEnv * _pEnv,const char* _pMethodName,const char* _pSignature, jmethodID& _inout_MethodID ) const
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{
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// obtain method ID
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obtainMethodId_throwSQL(_pEnv, _pMethodName,_pSignature, _inout_MethodID);
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// call method
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jobject out = _pEnv->CallObjectMethod( object, _inout_MethodID);
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ThrowSQLException( _pEnv, nullptr );
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return out;
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}
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jobject java_lang_Object::callObjectMethodWithIntArg( JNIEnv * _pEnv,const char* _pMethodName,const char* _pSignature, jmethodID& _inout_MethodID , sal_Int32 _nArgument) const
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{
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obtainMethodId_throwSQL(_pEnv, _pMethodName,_pSignature, _inout_MethodID);
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// call method
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jobject out = _pEnv->CallObjectMethod( object, _inout_MethodID,_nArgument );
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ThrowSQLException( _pEnv, nullptr );
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return out;
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}
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OUString java_lang_Object::callStringMethodWithIntArg( const char* _pMethodName, jmethodID& _inout_MethodID , sal_Int32 _nArgument) const
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{
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SDBThreadAttach t;
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OSL_ENSURE( t.pEnv, "java_lang_Object::callStringMethod: no Java environment anymore!" );
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jstring out = static_cast<jstring>(callObjectMethodWithIntArg(t.pEnv,_pMethodName,"(I)Ljava/lang/String;",_inout_MethodID,_nArgument));
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return JavaString2String( t.pEnv, out );
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}
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void java_lang_Object::callVoidMethodWithStringArg( const char* _pMethodName, jmethodID& _inout_MethodID,const OUString& _nArgument ) const
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{
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SDBThreadAttach t;
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OSL_ENSURE( t.pEnv, "java_lang_Object::callIntMethod: no Java environment anymore!" );
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obtainMethodId_throwSQL(t.pEnv, _pMethodName,"(Ljava/lang/String;)V", _inout_MethodID);
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jdbc::LocalRef< jstring > str( t.env(),convertwchar_tToJavaString(t.pEnv,_nArgument));
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// call method
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t.pEnv->CallVoidMethod( object, _inout_MethodID , str.get());
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ThrowSQLException( t.pEnv, nullptr );
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}
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sal_Int32 java_lang_Object::callIntMethodWithStringArg( const char* _pMethodName, jmethodID& _inout_MethodID,const OUString& _nArgument ) const
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{
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SDBThreadAttach t;
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OSL_ENSURE( t.pEnv, "java_lang_Object::callIntMethodWithStringArg: no Java environment anymore!" );
|
|
obtainMethodId_throwSQL(t.pEnv, _pMethodName,"(Ljava/lang/String;)I", _inout_MethodID);
|
|
|
|
//TODO: Check if the code below is needed
|
|
//jdbc::LocalRef< jstring > str( t.env(), convertwchar_tToJavaString( t.pEnv, sql ) );
|
|
//{
|
|
// jdbc::ContextClassLoaderScope ccl( t.env(),
|
|
// m_pConnection ? m_pConnection->getDriverClassLoader() : jdbc::GlobalRef< jobject >(),
|
|
// m_aLogger,
|
|
// *this
|
|
// );
|
|
|
|
jdbc::LocalRef< jstring > str( t.env(),convertwchar_tToJavaString(t.pEnv,_nArgument));
|
|
// call method
|
|
jint out = t.pEnv->CallIntMethod( object, _inout_MethodID , str.get());
|
|
ThrowSQLException( t.pEnv, nullptr );
|
|
return static_cast<sal_Int32>(out);
|
|
}
|
|
|
|
jclass java_lang_Object::findMyClass(const char* _pClassName)
|
|
{
|
|
// the class must be fetched only once, therefore static
|
|
SDBThreadAttach t;
|
|
jclass tempClass = t.pEnv->FindClass(_pClassName); OSL_ENSURE(tempClass,"Java : FindClass not successful!");
|
|
if(!tempClass)
|
|
{
|
|
t.pEnv->ExceptionDescribe();
|
|
t.pEnv->ExceptionClear();
|
|
}
|
|
jclass globClass = static_cast<jclass>(t.pEnv->NewGlobalRef( tempClass ));
|
|
t.pEnv->DeleteLocalRef( tempClass );
|
|
return globClass;
|
|
}
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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