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-rw-r--r--connectivity/source/drivers/jdbc/Object.cxx483
1 files changed, 483 insertions, 0 deletions
diff --git a/connectivity/source/drivers/jdbc/Object.cxx b/connectivity/source/drivers/jdbc/Object.cxx
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index 000000000..479699750
--- /dev/null
+++ b/connectivity/source/drivers/jdbc/Object.cxx
@@ -0,0 +1,483 @@
+/* -*- 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 <connectivity/CommonTools.hxx>
+#include <com/sun/star/lang/WrappedTargetRuntimeException.hpp>
+#include <com/sun/star/logging/LogLevel.hpp>
+#include <java/tools.hxx>
+#include <java/sql/SQLException.hxx>
+#include <osl/diagnose.h>
+#include <java/LocalRef.hxx>
+#include <strings.hxx>
+
+#include <comphelper/logging.hxx>
+#include <cppuhelper/exc_hlp.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;
+
+
+static ::rtl::Reference< jvmaccess::VirtualMachine > const & getJavaVM2(const ::rtl::Reference< jvmaccess::VirtualMachine >& _rVM = ::rtl::Reference< jvmaccess::VirtualMachine >(),
+ bool _bSet = 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<XComponentContext >& _rxContext)
+{
+ ::rtl::Reference< jvmaccess::VirtualMachine > xVM = getJavaVM2();
+ if ( !xVM.is() && _rxContext.is() )
+ xVM = getJavaVM2(::connectivity::getJavaVM(_rxContext));
+
+ return xVM;
+}
+
+SDBThreadAttach::SDBThreadAttach()
+ : m_aGuard(java_lang_Object::getVM())
+ , pEnv(nullptr)
+{
+ pEnv = m_aGuard.getEnvironment();
+ OSL_ENSURE(pEnv,"Environment is nULL!");
+}
+
+SDBThreadAttach::~SDBThreadAttach()
+{
+}
+
+static oslInterlockedCount& getJavaVMRefCount()
+{
+ static oslInterlockedCount s_nRefCount = 0;
+ return s_nRefCount;
+}
+
+void SDBThreadAttach::addRef()
+{
+ osl_atomic_increment(&getJavaVMRefCount());
+}
+
+void SDBThreadAttach::releaseRef()
+{
+ osl_atomic_decrement(&getJavaVMRefCount());
+ if ( getJavaVMRefCount() == 0 )
+ {
+ getJavaVM2(::rtl::Reference< jvmaccess::VirtualMachine >(),true);
+ }
+}
+
+// static variables of the class
+jclass java_lang_Object::theClass = nullptr;
+
+jclass java_lang_Object::getMyClass() const
+{
+ if( !theClass )
+ theClass = findMyClass("java/lang/Object");
+ return theClass;
+}
+// the actual constructor
+java_lang_Object::java_lang_Object()
+ : object( nullptr )
+{
+ SDBThreadAttach::addRef();
+}
+
+// the protected-constructor for the derived classes
+java_lang_Object::java_lang_Object( JNIEnv * pXEnv, jobject myObj )
+ : object( nullptr )
+{
+ SDBThreadAttach::addRef();
+ if( pXEnv && myObj )
+ object = pXEnv->NewGlobalRef( myObj );
+}
+
+java_lang_Object::~java_lang_Object() COVERITY_NOEXCEPT_FALSE
+{
+ if( object )
+ {
+ SDBThreadAttach t;
+ clearObject(*t.pEnv);
+ }
+ SDBThreadAttach::releaseRef();
+}
+void java_lang_Object::clearObject(JNIEnv& rEnv)
+{
+ if( object )
+ {
+ rEnv.DeleteGlobalRef( object );
+ object = nullptr;
+ }
+}
+
+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 );
+}
+
+
+OUString java_lang_Object::toString() const
+{
+ static jmethodID mID(nullptr);
+ return callStringMethod("toString",mID);
+}
+
+
+namespace
+{
+ bool lcl_translateJNIExceptionToUNOException(
+ JNIEnv* _pEnvironment, const Reference< XInterface >& _rxContext, SQLException& _out_rException )
+ {
+ jthrowable jThrow = _pEnvironment ? _pEnvironment->ExceptionOccurred() : nullptr;
+ 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::unique_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::unique_ptr< java_lang_Throwable > pThrow( new java_lang_Throwable( _pEnvironment, jThrow ) );
+#if OSL_DEBUG_LEVEL > 0
+ pThrow->printStackTrace();
+#endif
+ OUString sMessage = pThrow->getMessage();
+ if ( sMessage.isEmpty() )
+ sMessage = pThrow->getLocalizedMessage();
+ if( sMessage.isEmpty() )
+ sMessage = pThrow->toString();
+ _out_rException = SQLException( sMessage, _rxContext, OUString(), -1, Any() );
+ return true;
+ }
+ else
+ _pEnvironment->DeleteLocalRef( jThrow );
+ return false;
+ }
+}
+
+
+void java_lang_Object::ThrowLoggedSQLException( const ::comphelper::EventLogger& _rLogger, JNIEnv* _pEnvironment,
+ const Reference< XInterface >& _rxContext )
+{
+ SQLException aException;
+ if ( lcl_translateJNIExceptionToUNOException( _pEnvironment, _rxContext, aException ) )
+ {
+ _rLogger.log( css::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::ThrowRuntimeException( JNIEnv* _pEnvironment, const Reference< XInterface>& _rxContext )
+{
+ try
+ {
+ ThrowSQLException(_pEnvironment, _rxContext);
+ }
+ catch (const SQLException& e)
+ {
+ css::uno::Any anyEx = cppu::getCaughtException();
+ throw css::lang::WrappedTargetRuntimeException( e.Message,
+ e.Context, anyEx );
+ }
+}
+
+void java_lang_Object::obtainMethodId_throwSQL(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 )
+}
+
+void java_lang_Object::obtainMethodId_throwRuntime(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 RuntimeException();
+ } // if ( !_inout_MethodID )
+}
+
+
+bool java_lang_Object::callBooleanMethod( const char* _pMethodName, jmethodID& _inout_MethodID ) const
+{
+ bool out( false );
+
+ SDBThreadAttach t;
+ OSL_ENSURE( t.pEnv, "java_lang_Object::callBooleanMethod: no Java environment anymore!" );
+ obtainMethodId_throwSQL(t.pEnv, _pMethodName,"()Z", _inout_MethodID);
+ // call method
+ out = t.pEnv->CallBooleanMethod( object, _inout_MethodID );
+ ThrowSQLException( t.pEnv, nullptr );
+
+ return out;
+}
+
+bool java_lang_Object::callBooleanMethodWithIntArg( const char* _pMethodName, jmethodID& _inout_MethodID, sal_Int32 _nArgument ) const
+{
+ bool out( false );
+ SDBThreadAttach t;
+ OSL_ENSURE( t.pEnv, "java_lang_Object::callBooleanMethodWithIntArg: no Java environment anymore!" );
+ obtainMethodId_throwSQL(t.pEnv, _pMethodName,"(I)Z", _inout_MethodID);
+ // call method
+ out = t.pEnv->CallBooleanMethod( object, _inout_MethodID, _nArgument );
+ ThrowSQLException( t.pEnv, nullptr );
+
+ 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_ThrowSQL(const char* _pMethodName, jmethodID& _inout_MethodID) const
+{
+ SDBThreadAttach t;
+ OSL_ENSURE( t.pEnv, "java_lang_Object::callIntMethod: no Java environment anymore!" );
+ obtainMethodId_throwSQL(t.pEnv, _pMethodName,"()I", _inout_MethodID);
+ // call method
+ jint out( t.pEnv->CallIntMethod( object, _inout_MethodID ) );
+ ThrowSQLException( t.pEnv, nullptr );
+ return static_cast<sal_Int32>(out);
+}
+
+sal_Int32 java_lang_Object::callIntMethod_ThrowRuntime(const char* _pMethodName, jmethodID& _inout_MethodID) const
+{
+ SDBThreadAttach t;
+ OSL_ENSURE( t.pEnv, "java_lang_Object::callIntMethod: no Java environment anymore!" );
+ obtainMethodId_throwRuntime(t.pEnv, _pMethodName,"()I", _inout_MethodID);
+ // call method
+ jint out( t.pEnv->CallIntMethod( object, _inout_MethodID ) );
+ ThrowRuntimeException(t.pEnv, nullptr);
+ return static_cast<sal_Int32>(out);
+}
+
+sal_Int32 java_lang_Object::callIntMethodWithIntArg_ThrowSQL( const char* _pMethodName, jmethodID& _inout_MethodID,sal_Int32 _nArgument ) const
+{
+ SDBThreadAttach t;
+ OSL_ENSURE( t.pEnv, "java_lang_Object::callIntMethod: no Java environment anymore!" );
+ obtainMethodId_throwSQL(t.pEnv, _pMethodName,"(I)I", _inout_MethodID);
+ // call method
+ jint out( t.pEnv->CallIntMethod( object, _inout_MethodID , _nArgument) );
+ ThrowSQLException( t.pEnv, nullptr );
+ return static_cast<sal_Int32>(out);
+}
+
+sal_Int32 java_lang_Object::callIntMethodWithIntArg_ThrowRuntime( const char* _pMethodName, jmethodID& _inout_MethodID,sal_Int32 _nArgument ) const
+{
+ SDBThreadAttach t;
+ OSL_ENSURE( t.pEnv, "java_lang_Object::callIntMethod: no Java environment anymore!" );
+ obtainMethodId_throwRuntime(t.pEnv, _pMethodName,"(I)I", _inout_MethodID);
+ // call method
+ jint out( t.pEnv->CallIntMethod( object, _inout_MethodID , _nArgument) );
+ ThrowRuntimeException(t.pEnv, nullptr);
+ return static_cast<sal_Int32>(out);
+}
+
+void java_lang_Object::callVoidMethod_ThrowSQL( const char* _pMethodName, jmethodID& _inout_MethodID) const
+{
+ SDBThreadAttach t;
+ OSL_ENSURE( t.pEnv, "java_lang_Object::callIntMethod: no Java environment anymore!" );
+ obtainMethodId_throwSQL(t.pEnv, _pMethodName,"()V", _inout_MethodID);
+
+ // call method
+ t.pEnv->CallVoidMethod( object, _inout_MethodID );
+ ThrowSQLException( t.pEnv, nullptr );
+}
+
+void java_lang_Object::callVoidMethod_ThrowRuntime( const char* _pMethodName, jmethodID& _inout_MethodID) const
+{
+ SDBThreadAttach t;
+ OSL_ENSURE( t.pEnv, "java_lang_Object::callIntMethod: no Java environment anymore!" );
+ obtainMethodId_throwRuntime(t.pEnv, _pMethodName,"()V", _inout_MethodID);
+
+ // call method
+ t.pEnv->CallVoidMethod( object, _inout_MethodID );
+ ThrowRuntimeException(t.pEnv, nullptr);
+}
+
+void java_lang_Object::callVoidMethodWithIntArg_ThrowSQL( const char* _pMethodName, jmethodID& _inout_MethodID, sal_Int32 _nArgument ) const
+{
+ SDBThreadAttach t;
+ OSL_ENSURE( t.pEnv, "java_lang_Object::callIntMethod: no Java environment anymore!" );
+ obtainMethodId_throwSQL(t.pEnv, _pMethodName,"(I)V", _inout_MethodID);
+
+ // call method
+ t.pEnv->CallVoidMethod( object, _inout_MethodID,_nArgument );
+ ThrowSQLException( t.pEnv, nullptr );
+}
+
+void java_lang_Object::callVoidMethodWithIntArg_ThrowRuntime( const char* _pMethodName, jmethodID& _inout_MethodID, sal_Int32 _nArgument ) const
+{
+ SDBThreadAttach t;
+ OSL_ENSURE( t.pEnv, "java_lang_Object::callIntMethod: no Java environment anymore!" );
+ obtainMethodId_throwRuntime(t.pEnv, _pMethodName,"(I)V", _inout_MethodID);
+
+ // call method
+ t.pEnv->CallVoidMethod( object, _inout_MethodID,_nArgument );
+ ThrowRuntimeException(t.pEnv, nullptr);
+}
+
+void java_lang_Object::callVoidMethodWithBoolArg_ThrowSQL( const char* _pMethodName, jmethodID& _inout_MethodID, bool _nArgument ) const
+{
+ SDBThreadAttach t;
+ OSL_ENSURE( t.pEnv, "java_lang_Object::callIntMethod: no Java environment anymore!" );
+ obtainMethodId_throwSQL(t.pEnv, _pMethodName,"(Z)V", _inout_MethodID);
+ // call method
+ t.pEnv->CallVoidMethod( object, _inout_MethodID,int(_nArgument) );
+ ThrowSQLException( t.pEnv, nullptr );
+}
+
+void java_lang_Object::callVoidMethodWithBoolArg_ThrowRuntime( const char* _pMethodName, jmethodID& _inout_MethodID, bool _nArgument ) const
+{
+ SDBThreadAttach t;
+ OSL_ENSURE( t.pEnv, "java_lang_Object::callIntMethod: no Java environment anymore!" );
+ obtainMethodId_throwRuntime(t.pEnv, _pMethodName,"(Z)V", _inout_MethodID);
+ // call method
+ t.pEnv->CallVoidMethod( object, _inout_MethodID,int(_nArgument) );
+ ThrowRuntimeException(t.pEnv, nullptr);
+}
+
+OUString java_lang_Object::callStringMethod( const char* _pMethodName, jmethodID& _inout_MethodID ) const
+{
+ SDBThreadAttach t;
+ OSL_ENSURE( t.pEnv, "java_lang_Object::callStringMethod: no Java environment anymore!" );
+
+ // call method
+ jstring out = static_cast<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_throwSQL(_pEnv, _pMethodName,_pSignature, _inout_MethodID);
+ // call method
+ jobject out = _pEnv->CallObjectMethod( object, _inout_MethodID);
+ ThrowSQLException( _pEnv, nullptr );
+ return out;
+}
+
+
+jobject java_lang_Object::callObjectMethodWithIntArg( JNIEnv * _pEnv,const char* _pMethodName,const char* _pSignature, jmethodID& _inout_MethodID , sal_Int32 _nArgument) const
+{
+ obtainMethodId_throwSQL(_pEnv, _pMethodName,_pSignature, _inout_MethodID);
+ // call method
+ jobject out = _pEnv->CallObjectMethod( object, _inout_MethodID,_nArgument );
+ ThrowSQLException( _pEnv, nullptr );
+ return out;
+}
+
+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 environment anymore!" );
+ jstring out = static_cast<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 OUString& _nArgument ) const
+{
+ SDBThreadAttach t;
+ OSL_ENSURE( t.pEnv, "java_lang_Object::callIntMethod: no Java environment anymore!" );
+ obtainMethodId_throwSQL(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, nullptr );
+}
+
+sal_Int32 java_lang_Object::callIntMethodWithStringArg( const char* _pMethodName, jmethodID& _inout_MethodID,const OUString& _nArgument ) const
+{
+ SDBThreadAttach t;
+ 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: */