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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* 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 .
*/
#include "java/lang/Class.hxx"
#include "connectivity/CommonTools.hxx"
#include <com/sun/star/uno/Exception.hpp>
#include "java/tools.hxx"
#include "java/sql/SQLException.hxx"
#include <osl/mutex.hxx>
#include <osl/thread.h>
#include <com/sun/star/uno/Sequence.hxx>
#include "java/LocalRef.hxx"
#include "resource/jdbc_log.hrc"
#include <rtl/logfile.hxx>
#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);
}
}
// -----------------------------------------------------------------------------
// static variables of the class
jclass java_lang_Object::theClass = 0;
jclass java_lang_Object::getMyClass() const
{
if( !theClass )
theClass = findMyClass("java/lang/Object");
return theClass;
}
// the actual constructor
java_lang_Object::java_lang_Object(const Reference<XMultiServiceFactory >& _rxFactory)
: m_xFactory(_rxFactory),object( 0 )
{
SDBThreadAttach::addRef();
}
// the protected-constructor for the derived classes
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;
clearObject(*t.pEnv);
}
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;
clearObject(*t.pEnv);
}
}
// the protected-constructor for the derived classes
void java_lang_Object::saveRef( JNIEnv * pXEnv, jobject myObj )
{
OSL_ENSURE( myObj, "object in c++ -> Java Wrapper" );
if( myObj )
object = pXEnv->NewGlobalRef( myObj );
}
::rtl::OUString java_lang_Object::toString() const
{
static jmethodID mID(NULL);
return callStringMethod("toString",mID);
}
// --------------------------------------------------------------------------------
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::st_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::st_getMyClass() ) )
{
::std::auto_ptr< java_lang_Throwable > pThrow( new java_lang_Throwable( _pEnvironment, jThrow ) );
#if OSL_DEBUG_LEVEL > 0
pThrow->printStackTrace();
#endif
::rtl::OUString sMessage = pThrow->getMessage();
if ( sMessage.isEmpty() )
sMessage = pThrow->getLocalizedMessage();
if( sMessage.isEmpty() )
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;
}
// -----------------------------------------------------------------------------
void java_lang_Object::obtainMethodId(JNIEnv* _pEnv,const char* _pMethodName, const char* _pSignature,jmethodID& _inout_MethodID) const
{
if ( !_inout_MethodID )
{
_inout_MethodID = _pEnv->GetMethodID( getMyClass(), _pMethodName, _pSignature );
OSL_ENSURE( _inout_MethodID, _pSignature );
if ( !_inout_MethodID )
throw SQLException();
} // if ( !_inout_MethodID )
}
// -----------------------------------------------------------------------------
sal_Bool java_lang_Object::callBooleanMethod( const char* _pMethodName, jmethodID& _inout_MethodID ) const
{
jboolean out( sal_False );
SDBThreadAttach t;
OSL_ENSURE( t.pEnv, "java_lang_Object::callBooleanMethod: no Java enviroment anymore!" );
obtainMethodId(t.pEnv, _pMethodName,"()Z", _inout_MethodID);
// call method
out = t.pEnv->CallBooleanMethod( object, _inout_MethodID );
ThrowSQLException( t.pEnv, NULL );
return out;
}
// -----------------------------------------------------------------------------
sal_Bool java_lang_Object::callBooleanMethodWithIntArg( const char* _pMethodName, jmethodID& _inout_MethodID, sal_Int32 _nArgument ) const
{
jboolean out( sal_False );
SDBThreadAttach t;
OSL_ENSURE( t.pEnv, "java_lang_Object::callBooleanMethodWithIntArg: no Java enviroment anymore!" );
obtainMethodId(t.pEnv, _pMethodName,"(I)Z", _inout_MethodID);
// call method
out = t.pEnv->CallBooleanMethod( object, _inout_MethodID, _nArgument );
ThrowSQLException( t.pEnv, NULL );
return out;
}
// -------------------------------------------------------------------------
jobject java_lang_Object::callResultSetMethod( JNIEnv& _rEnv,const char* _pMethodName, jmethodID& _inout_MethodID ) const
{
// call method
jobject out = callObjectMethod(&_rEnv,_pMethodName,"()Ljava/sql/ResultSet;", _inout_MethodID);
return out;
}
// -------------------------------------------------------------------------
sal_Int32 java_lang_Object::callIntMethod( const char* _pMethodName, jmethodID& _inout_MethodID,bool _bIgnoreException ) const
{
SDBThreadAttach t;
OSL_ENSURE( t.pEnv, "java_lang_Object::callIntMethod: no Java enviroment anymore!" );
obtainMethodId(t.pEnv, _pMethodName,"()I", _inout_MethodID);
// call method
jint out( t.pEnv->CallIntMethod( object, _inout_MethodID ) );
if ( _bIgnoreException )
isExceptionOccurred(t.pEnv,sal_True);
else
ThrowSQLException( t.pEnv, NULL );
return (sal_Int32)out;
}
// -------------------------------------------------------------------------
sal_Int32 java_lang_Object::callIntMethodWithIntArg( const char* _pMethodName, jmethodID& _inout_MethodID,sal_Int32 _nArgument ) const
{
SDBThreadAttach t;
OSL_ENSURE( t.pEnv, "java_lang_Object::callIntMethod: no Java enviroment anymore!" );
obtainMethodId(t.pEnv, _pMethodName,"(I)I", _inout_MethodID);
// call method
jint out( t.pEnv->CallIntMethod( object, _inout_MethodID , _nArgument) );
ThrowSQLException( t.pEnv, NULL );
return (sal_Int32)out;
}
// -------------------------------------------------------------------------
void java_lang_Object::callVoidMethod( const char* _pMethodName, jmethodID& _inout_MethodID) const
{
SDBThreadAttach t;
OSL_ENSURE( t.pEnv, "java_lang_Object::callIntMethod: no Java enviroment anymore!" );
obtainMethodId(t.pEnv, _pMethodName,"()V", _inout_MethodID);
// call method
t.pEnv->CallVoidMethod( object, _inout_MethodID );
ThrowSQLException( t.pEnv, NULL );
}
// -------------------------------------------------------------------------
void java_lang_Object::callVoidMethodWithIntArg( const char* _pMethodName, jmethodID& _inout_MethodID, sal_Int32 _nArgument,bool _bIgnoreException ) const
{
SDBThreadAttach t;
OSL_ENSURE( t.pEnv, "java_lang_Object::callIntMethod: no Java enviroment anymore!" );
obtainMethodId(t.pEnv, _pMethodName,"(I)V", _inout_MethodID);
// call method
t.pEnv->CallVoidMethod( object, _inout_MethodID,_nArgument );
if ( _bIgnoreException )
isExceptionOccurred(t.pEnv,sal_True);
else
ThrowSQLException( t.pEnv, NULL );
}
// -------------------------------------------------------------------------
void java_lang_Object::callVoidMethodWithBoolArg( const char* _pMethodName, jmethodID& _inout_MethodID, sal_Int32 _nArgument,bool _bIgnoreException ) const
{
SDBThreadAttach t;
OSL_ENSURE( t.pEnv, "java_lang_Object::callIntMethod: no Java enviroment anymore!" );
obtainMethodId(t.pEnv, _pMethodName,"(Z)V", _inout_MethodID);
// call method
t.pEnv->CallVoidMethod( object, _inout_MethodID,_nArgument );
if ( _bIgnoreException )
isExceptionOccurred(t.pEnv,sal_True);
else
ThrowSQLException( t.pEnv, NULL );
}
// -----------------------------------------------------------------------------
::rtl::OUString java_lang_Object::callStringMethod( const char* _pMethodName, jmethodID& _inout_MethodID ) const
{
SDBThreadAttach t;
OSL_ENSURE( t.pEnv, "java_lang_Object::callStringMethod: no Java enviroment anymore!" );
// call method
jstring out = (jstring)callObjectMethod(t.pEnv,_pMethodName,"()Ljava/lang/String;", _inout_MethodID);
return JavaString2String( t.pEnv, out );
}
// -----------------------------------------------------------------------------
jobject java_lang_Object::callObjectMethod( JNIEnv * _pEnv,const char* _pMethodName,const char* _pSignature, jmethodID& _inout_MethodID ) const
{
// obtain method ID
obtainMethodId(_pEnv, _pMethodName,_pSignature, _inout_MethodID);
// call method
jobject out = _pEnv->CallObjectMethod( object, _inout_MethodID);
ThrowSQLException( _pEnv, NULL );
return out;
}
// -----------------------------------------------------------------------------
jobject java_lang_Object::callObjectMethodWithIntArg( JNIEnv * _pEnv,const char* _pMethodName,const char* _pSignature, jmethodID& _inout_MethodID , sal_Int32 _nArgument) const
{
obtainMethodId(_pEnv, _pMethodName,_pSignature, _inout_MethodID);
// call method
jobject out = _pEnv->CallObjectMethod( object, _inout_MethodID,_nArgument );
ThrowSQLException( _pEnv, NULL );
return out;
}
// -----------------------------------------------------------------------------
::rtl::OUString java_lang_Object::callStringMethodWithIntArg( const char* _pMethodName, jmethodID& _inout_MethodID , sal_Int32 _nArgument) const
{
SDBThreadAttach t;
OSL_ENSURE( t.pEnv, "java_lang_Object::callStringMethod: no Java enviroment anymore!" );
jstring out = (jstring)callObjectMethodWithIntArg(t.pEnv,_pMethodName,"(I)Ljava/lang/String;",_inout_MethodID,_nArgument);
return JavaString2String( t.pEnv, out );
}
// -------------------------------------------------------------------------
void java_lang_Object::callVoidMethodWithStringArg( const char* _pMethodName, jmethodID& _inout_MethodID,const ::rtl::OUString& _nArgument ) const
{
SDBThreadAttach t;
OSL_ENSURE( t.pEnv, "java_lang_Object::callIntMethod: no Java enviroment anymore!" );
obtainMethodId(t.pEnv, _pMethodName,"(Ljava/lang/String;)V", _inout_MethodID);
jdbc::LocalRef< jstring > str( t.env(),convertwchar_tToJavaString(t.pEnv,_nArgument));
// call method
t.pEnv->CallVoidMethod( object, _inout_MethodID , str.get());
ThrowSQLException( t.pEnv, NULL );
}
// -------------------------------------------------------------------------
sal_Int32 java_lang_Object::callIntMethodWithStringArg( const char* _pMethodName, jmethodID& _inout_MethodID,const ::rtl::OUString& _nArgument ) const
{
SDBThreadAttach t;
OSL_ENSURE( t.pEnv, "java_lang_Object::callIntMethodWithStringArg: no Java enviroment anymore!" );
obtainMethodId(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, NULL );
return (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 nicht erfolgreich!");
if(!tempClass)
{
t.pEnv->ExceptionDescribe();
t.pEnv->ExceptionClear();
}
jclass globClass = (jclass)t.pEnv->NewGlobalRef( tempClass );
t.pEnv->DeleteLocalRef( tempClass );
return globClass;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|