334 lines
11 KiB
C++
334 lines
11 KiB
C++
/*************************************************************************
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*
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* $RCSfile: Object.cxx,v $
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*
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* $Revision: 1.16 $
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*
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* last change: $Author: rt $ $Date: 2003-12-01 10:48:44 $
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*
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* The Contents of this file are made available subject to the terms of
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* either of the following licenses
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*
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* - GNU Lesser General Public License Version 2.1
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* - Sun Industry Standards Source License Version 1.1
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*
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* Sun Microsystems Inc., October, 2000
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2000 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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*
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* Sun Industry Standards Source License Version 1.1
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* =================================================
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* The contents of this file are subject to the Sun Industry Standards
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* Source License Version 1.1 (the "License"); You may not use this file
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* except in compliance with the License. You may obtain a copy of the
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* License at http://www.openoffice.org/license.html.
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*
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* Software provided under this License is provided on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
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* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
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* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
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* See the License for the specific provisions governing your rights and
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* obligations concerning the Software.
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*
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* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
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*
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* Copyright: 2000 by Sun Microsystems, Inc.
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*
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* All Rights Reserved.
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*
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* Contributor(s): _______________________________________
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*
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*
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************************************************************************/
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#ifndef _CONNECTIVITY_JAVA_LANG_OBJJECT_HXX_
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#include "java/lang/Class.hxx"
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#endif
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#ifndef _COM_SUN_STAR_LANG_XMULTISERVICEFACTORY_HPP_
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#include <com/sun/star/lang/XMultiServiceFactory.hpp>
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#endif
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#ifndef _COM_SUN_STAR_UNO_EXCEPTION_HPP_
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#include <com/sun/star/uno/Exception.hpp>
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#endif
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#ifndef _COM_SUN_STAR_JAVA_XJAVAVM_HPP_
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#include <com/sun/star/java/XJavaVM.hpp>
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#endif
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#ifndef _CONNECTIVITY_JAVA_TOOLS_HXX_
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#include "java/tools.hxx"
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#endif
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#ifndef _CONNECTIVITY_JAVA_SQL_SQLEXCEPTION_HXX_
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#include "java/sql/SQLException.hxx"
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#endif
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#ifndef _VOS_PROCESS_HXX_
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#include <vos/process.hxx>
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#endif
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#ifndef _VOS_MUTEX_HXX_
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#include <vos/mutex.hxx>
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#endif
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#ifndef _RTL_PROCESS_H_
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#include <rtl/process.h>
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#endif
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#ifndef _COM_SUN_STAR_UNO_SEQUENCE_HXX_
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#include <com/sun/star/uno/Sequence.hxx>
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#endif
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using namespace connectivity;
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namespace starjava = com::sun::star::java;
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using namespace ::com::sun::star::uno;
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using namespace ::com::sun::star::beans;
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// using namespace ::com::sun::star::sdbcx;
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using namespace ::com::sun::star::sdbc;
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using namespace ::com::sun::star::container;
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using namespace ::com::sun::star::lang;
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::rtl::Reference< jvmaccess::VirtualMachine > InitJava(const Reference<XMultiServiceFactory >& _rxFactory)
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{
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::rtl::Reference< jvmaccess::VirtualMachine > aRet;
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OSL_ENSURE(_rxFactory.is(),"No XMultiServiceFactory a.v.!");
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if(!_rxFactory.is())
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return aRet;
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try
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{
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Reference< ::starjava::XJavaVM > xVM(_rxFactory->createInstance(
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rtl::OUString::createFromAscii("com.sun.star.java.JavaVirtualMachine")), UNO_QUERY);
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OSL_ENSURE(_rxFactory.is(),"InitJava: I have no factory!");
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if (!xVM.is() || !_rxFactory.is())
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throw Exception(); // -2;
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Sequence<sal_Int8> processID(16);
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rtl_getGlobalProcessId( (sal_uInt8*) processID.getArray() );
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processID.realloc(17);
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processID[16] = 0;
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Any uaJVM = xVM->getJavaVM( processID );
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if (!uaJVM.hasValue())
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throw Exception(); // -5
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else
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{
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sal_Int32 nValue;
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jvmaccess::VirtualMachine* pJVM = NULL;
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if ( uaJVM >>= nValue )
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pJVM = reinterpret_cast< jvmaccess::VirtualMachine* > (nValue);
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else
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{
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sal_Int64 nTemp;
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uaJVM >>= nTemp;
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pJVM = reinterpret_cast< jvmaccess::VirtualMachine* > (nTemp);
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}
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aRet = pJVM;
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}
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}
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catch (Exception& e)
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{
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}
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return aRet;
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}
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// -----------------------------------------------------------------------------
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::rtl::Reference< jvmaccess::VirtualMachine > getJavaVM(const ::rtl::Reference< jvmaccess::VirtualMachine >& _rVM = ::rtl::Reference< jvmaccess::VirtualMachine >(),
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sal_Bool _bSet = sal_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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// -----------------------------------------------------------------------------
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::rtl::Reference< jvmaccess::VirtualMachine > java_lang_Object::getVM(const Reference<XMultiServiceFactory >& _rxFactory)
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{
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::rtl::Reference< jvmaccess::VirtualMachine > xVM = getJavaVM();
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if ( !xVM.is() && _rxFactory.is() )
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xVM = getJavaVM(InitJava(_rxFactory));
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return xVM;
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}
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// -----------------------------------------------------------------------------
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SDBThreadAttach::SDBThreadAttach()
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: pEnv(NULL)
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{
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m_aGuard = ::std::auto_ptr< jvmaccess::VirtualMachine::AttachGuard>(new jvmaccess::VirtualMachine::AttachGuard(java_lang_Object::getVM()) );
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if ( m_aGuard.get() )
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pEnv = m_aGuard->getEnvironment();
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}
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// -----------------------------------------------------------------------------
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SDBThreadAttach::~SDBThreadAttach()
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{
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}
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// -----------------------------------------------------------------------------
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sal_Int32& getJavaVMRefCount()
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{
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static sal_Int32 s_nRefCount = 0;
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return s_nRefCount;
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}
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// -----------------------------------------------------------------------------
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void SDBThreadAttach::addRef()
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{
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getJavaVMRefCount()++;
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}
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// -----------------------------------------------------------------------------
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void SDBThreadAttach::releaseRef()
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{
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getJavaVMRefCount()--;
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if ( getJavaVMRefCount() == 0 )
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getJavaVM(::rtl::Reference< jvmaccess::VirtualMachine >(),sal_True);
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}
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// -----------------------------------------------------------------------------
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// statische Variablen der Klasse:
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jclass java_lang_Object::theClass = 0;
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sal_uInt32 java_lang_Object::nObjCount = 0;
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jclass java_lang_Object::getMyClass()
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{
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if( !theClass )
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{
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SDBThreadAttach t;
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if( !t.pEnv ) return (jclass)NULL;
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jclass tempClass = t.pEnv->FindClass( "java/lang/Object" );
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theClass = (jclass)t.pEnv->NewGlobalRef( tempClass );
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t.pEnv->DeleteLocalRef( tempClass );
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}
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return theClass;
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}
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// der eigentliche Konstruktor
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java_lang_Object::java_lang_Object(const Reference<XMultiServiceFactory >& _rxFactory)
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: object( 0 ),m_xFactory(_rxFactory)
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{
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}
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// der protected-Konstruktor fuer abgeleitete Klassen
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java_lang_Object::java_lang_Object( JNIEnv * pXEnv, jobject myObj )
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: object( NULL )
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{
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SDBThreadAttach t;
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if( t.pEnv && myObj )
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object = t.pEnv->NewGlobalRef( myObj );
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}
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java_lang_Object::~java_lang_Object()
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{
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if( object )
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{
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SDBThreadAttach t;
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if( t.pEnv )
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t.pEnv->DeleteGlobalRef( object );
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}
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}
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// der protected-Konstruktor fuer abgeleitete Klassen
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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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SDBThreadAttach t;
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if( t.pEnv && myObj )
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object = t.pEnv->NewGlobalRef( myObj );
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}
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java_lang_Class * java_lang_Object::getClass()
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{
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jobject out;
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SDBThreadAttach t;
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if( t.pEnv )
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{
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// temporaere Variable initialisieren
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char * cSignature = "()Ljava/lang/Class;";
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char * cMethodName = "getClass";
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// Java-Call absetzen
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jmethodID mID = t.pEnv->GetMethodID( getMyClass(), cMethodName, cSignature );OSL_ENSURE(mID,"Unknown method id!");
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if( mID )
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{
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out = t.pEnv->CallObjectMethodA( object, mID, NULL );
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ThrowSQLException(t.pEnv,NULL);
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return new java_lang_Class( t.pEnv, out );
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} //mID
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} //pEnv
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return NULL;
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}
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::rtl::OUString java_lang_Object::toString()
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{
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SDBThreadAttach t;
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::rtl::OUString aStr;
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if( t.pEnv )
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{
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// temporaere Variable initialisieren
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char * cSignature = "()Ljava/lang/String;";
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char * cMethodName = "toString";
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// Java-Call absetzen
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jmethodID mID = t.pEnv->GetMethodID( getMyClass(), cMethodName, cSignature );OSL_ENSURE(mID,"Unknown method id!");
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if( mID )
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{
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jstring out(0);
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out = (jstring)t.pEnv->CallObjectMethod( object, mID);
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ThrowSQLException(t.pEnv,NULL);
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if(out)
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aStr = JavaString2String(t.pEnv,out);
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} //mID
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} //pEnv
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return aStr;
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}
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// --------------------------------------------------------------------------------
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void java_lang_Object::ThrowSQLException(JNIEnv * pEnv,const Reference< XInterface> & _rContext) throw(SQLException, RuntimeException)
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{
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jthrowable jThrow = NULL;
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if(pEnv && (jThrow = pEnv->ExceptionOccurred()))
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{
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pEnv->ExceptionClear();// we have to clear the exception here because we want to handle it itself
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if(pEnv->IsInstanceOf(jThrow,java_sql_SQLException_BASE::getMyClass()))
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{
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java_sql_SQLException_BASE* pException = new java_sql_SQLException_BASE(pEnv,jThrow);
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SQLException e( pException->getMessage(),
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_rContext,
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pException->getSQLState(),
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pException->getErrorCode(),
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Any()
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);
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delete pException;
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throw e;
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}
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else if(pEnv->IsInstanceOf(jThrow,java_lang_Throwable::getMyClass()))
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{
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java_lang_Throwable *pThrow = new java_lang_Throwable(pEnv,jThrow);
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::rtl::OUString aMsg = pThrow->getMessage();
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if(!aMsg.getLength())
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aMsg = pThrow->getLocalizedMessage();
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if(!aMsg.getLength())
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aMsg = pThrow->toString();
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delete pThrow;
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throw SQLException(aMsg,_rContext,::rtl::OUString(),-1,Any());
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}
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else
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pEnv->DeleteLocalRef( jThrow );
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}
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}
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