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/*************************************************************************
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: Object.cxx,v $
*
* $Revision: 1.23 $
*
* last change: $Author: hr $ $Date: 2007-06-27 14:36:43 $
*
* The Contents of this file are made available subject to
* the terms of GNU Lesser General Public License Version 2.1.
*
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2005 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_connectivity.hxx"
#ifndef _CONNECTIVITY_JAVA_LANG_OBJJECT_HXX_
#include "java/lang/Class.hxx"
#endif
#include "connectivity/CommonTools.hxx"
#ifndef _COM_SUN_STAR_UNO_EXCEPTION_HPP_
#include <com/sun/star/uno/Exception.hpp>
#endif
#ifndef _CONNECTIVITY_JAVA_TOOLS_HXX_
#include "java/tools.hxx"
#endif
#ifndef _CONNECTIVITY_JAVA_SQL_SQLEXCEPTION_HXX_
#include "java/sql/SQLException.hxx"
#endif
#ifndef _VOS_PROCESS_HXX_
#include <vos/process.hxx>
#endif
#ifndef _VOS_MUTEX_HXX_
#include <vos/mutex.hxx>
#endif
#include <osl/thread.h>
#ifndef _COM_SUN_STAR_UNO_SEQUENCE_HXX_
#include <com/sun/star/uno/Sequence.hxx>
#endif
#include "resource/jdbc_log.hrc"
#include <comphelper/logging.hxx>
#include <memory>
using namespace connectivity;
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::beans;
using namespace ::com::sun::star::sdbc;
using namespace ::com::sun::star::container;
using namespace ::com::sun::star::lang;
// -----------------------------------------------------------------------------
::rtl::Reference< jvmaccess::VirtualMachine > getJavaVM2(const ::rtl::Reference< jvmaccess::VirtualMachine >& _rVM = ::rtl::Reference< jvmaccess::VirtualMachine >(),
sal_Bool _bSet = sal_False)
{
static ::rtl::Reference< jvmaccess::VirtualMachine > s_VM;
if ( _rVM.is() || _bSet )
s_VM = _rVM;
return s_VM;
}
// -----------------------------------------------------------------------------
::rtl::Reference< jvmaccess::VirtualMachine > java_lang_Object::getVM(const Reference<XMultiServiceFactory >& _rxFactory)
{
::rtl::Reference< jvmaccess::VirtualMachine > xVM = getJavaVM2();
if ( !xVM.is() && _rxFactory.is() )
xVM = getJavaVM2(::connectivity::getJavaVM(_rxFactory));
return xVM;
}
// -----------------------------------------------------------------------------
SDBThreadAttach::SDBThreadAttach()
: m_aGuard(java_lang_Object::getVM())
, pEnv(NULL)
{
pEnv = m_aGuard.getEnvironment();
OSL_ENSURE(pEnv,"Environment is nULL!");
}
// -----------------------------------------------------------------------------
SDBThreadAttach::~SDBThreadAttach()
{
}
// -----------------------------------------------------------------------------
oslInterlockedCount& getJavaVMRefCount()
{
static oslInterlockedCount s_nRefCount = 0;
return s_nRefCount;
}
// -----------------------------------------------------------------------------
void SDBThreadAttach::addRef()
{
osl_incrementInterlockedCount(&getJavaVMRefCount());
}
// -----------------------------------------------------------------------------
void SDBThreadAttach::releaseRef()
{
osl_decrementInterlockedCount(&getJavaVMRefCount());
if ( getJavaVMRefCount() == 0 )
{
getJavaVM2(::rtl::Reference< jvmaccess::VirtualMachine >(),sal_True);
}
}
// -----------------------------------------------------------------------------
// statische Variablen der Klasse:
jclass java_lang_Object::theClass = 0;
jclass java_lang_Object::getMyClass()
{
if( !theClass )
{
SDBThreadAttach t;
if( !t.pEnv ) return (jclass)NULL;
jclass tempClass = t.pEnv->FindClass( "java/lang/Object" );
theClass = (jclass)t.pEnv->NewGlobalRef( tempClass );
t.pEnv->DeleteLocalRef( tempClass );
}
return theClass;
}
// der eigentliche Konstruktor
java_lang_Object::java_lang_Object(const Reference<XMultiServiceFactory >& _rxFactory)
: m_xFactory(_rxFactory),object( 0 )
{
SDBThreadAttach::addRef();
}
// der protected-Konstruktor fuer abgeleitete Klassen
java_lang_Object::java_lang_Object( JNIEnv * pXEnv, jobject myObj )
: object( NULL )
{
SDBThreadAttach::addRef();
if( pXEnv && myObj )
object = pXEnv->NewGlobalRef( myObj );
}
java_lang_Object::~java_lang_Object()
{
if( object )
{
SDBThreadAttach t;
if( t.pEnv )
t.pEnv->DeleteGlobalRef( object );
object = NULL;
}
SDBThreadAttach::releaseRef();
}
void java_lang_Object::clearObject(JNIEnv& rEnv)
{
if( object )
{
rEnv.DeleteGlobalRef( object );
object = NULL;
}
}
void java_lang_Object::clearObject()
{
if( object )
{
SDBThreadAttach t;
if( t.pEnv )
t.pEnv->DeleteGlobalRef( object );
object = NULL;
}
}
// der protected-Konstruktor fuer abgeleitete Klassen
void java_lang_Object::saveRef( JNIEnv * pXEnv, jobject myObj )
{
OSL_ENSURE( myObj, "object in c++ -> Java Wrapper" );
if( pXEnv && myObj )
object = pXEnv->NewGlobalRef( myObj );
}
java_lang_Class * java_lang_Object::getClass()
{
jobject out;
SDBThreadAttach t;
if( t.pEnv )
{
// temporaere Variable initialisieren
static const char * cSignature = "()Ljava/lang/Class;";
static const char * cMethodName = "getClass";
// Java-Call absetzen
static jmethodID mID = NULL;
if ( !mID )
mID = t.pEnv->GetMethodID( getMyClass(), cMethodName, cSignature );OSL_ENSURE(mID,"Unknown method id!");
if( mID )
{
out = t.pEnv->CallObjectMethodA( object, mID, NULL );
ThrowSQLException(t.pEnv,NULL);
return new java_lang_Class( t.pEnv, out );
} //mID
} //pEnv
return NULL;
}
::rtl::OUString java_lang_Object::toString() const
{
SDBThreadAttach t;
::rtl::OUString aStr;
if( t.pEnv )
{
// temporaere Variable initialisieren
static const char * cSignature = "()Ljava/lang/String;";
static const char * cMethodName = "toString";
// Java-Call absetzen
static jmethodID mID = NULL;
if ( !mID )
mID = t.pEnv->GetMethodID( getMyClass(), cMethodName, cSignature );OSL_ENSURE(mID,"Unknown method id!");
if( mID )
{
jstring out = (jstring)t.pEnv->CallObjectMethod( object, mID);
ThrowSQLException(t.pEnv,NULL);
aStr = JavaString2String(t.pEnv,out);
} //mID
} //pEnv
return aStr;
}
// --------------------------------------------------------------------------------
namespace
{
bool lcl_translateJNIExceptionToUNOException(
JNIEnv* _pEnvironment, const Reference< XInterface >& _rxContext, SQLException& _out_rException )
{
jthrowable jThrow = _pEnvironment ? _pEnvironment->ExceptionOccurred() : NULL;
if ( !jThrow )
return false;
_pEnvironment->ExceptionClear();
// we have to clear the exception here because we want to handle it itself
if ( _pEnvironment->IsInstanceOf( jThrow, java_sql_SQLException_BASE::getMyClass() ) )
{
::std::auto_ptr< java_sql_SQLException_BASE > pException( new java_sql_SQLException_BASE( _pEnvironment, jThrow ) );
_out_rException = SQLException( pException->getMessage(), _rxContext,
pException->getSQLState(), pException->getErrorCode(), Any() );
return true;
}
else if ( _pEnvironment->IsInstanceOf( jThrow, java_lang_Throwable::getMyClass() ) )
{
::std::auto_ptr< java_lang_Throwable > pThrow( new java_lang_Throwable( _pEnvironment, jThrow ) );
::rtl::OUString sMessage = pThrow->getMessage();
if ( !sMessage.getLength() )
sMessage = pThrow->getLocalizedMessage();
if( !sMessage.getLength() )
sMessage = pThrow->toString();
_out_rException = SQLException( sMessage, _rxContext, ::rtl::OUString(), -1, Any() );
return true;
}
else
_pEnvironment->DeleteLocalRef( jThrow );
return false;
}
}
// --------------------------------------------------------------------------------
void java_lang_Object::ThrowLoggedSQLException( const ::comphelper::ResourceBasedEventLogger& _rLogger, JNIEnv* _pEnvironment,
const Reference< XInterface >& _rxContext )
{
SQLException aException;
if ( lcl_translateJNIExceptionToUNOException( _pEnvironment, _rxContext, aException ) )
{
_rLogger.log( ::com::sun::star::logging::LogLevel::SEVERE, STR_LOG_THROWING_EXCEPTION, aException.Message, aException.SQLState, aException.ErrorCode );
throw aException;
}
}
// --------------------------------------------------------------------------------
void java_lang_Object::ThrowSQLException( JNIEnv* _pEnvironment, const Reference< XInterface>& _rxContext )
{
SQLException aException;
if ( lcl_translateJNIExceptionToUNOException( _pEnvironment, _rxContext, aException ) )
throw aException;
}
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