Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 481 insertions, 0 deletions

diff --git a/connectivity/source/drivers/jdbc/Object.cxx b/connectivity/source/drivers/jdbc/Object.cxx
new file mode 100644
index 000000000..f05eced9d
--- /dev/null
+++ b/connectivity/source/drivers/jdbc/Object.cxx
@@ -0,0 +1,481 @@
+/* -*- 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>
+
+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() ) )
+        {
+            java_sql_SQLException_BASE aException( _pEnvironment, jThrow );
+            _out_rException = SQLException( aException.getMessage(), _rxContext,
+                aException.getSQLState(), aException.getErrorCode(), Any() );
+            return true;
+        }
+        else if ( _pEnvironment->IsInstanceOf( jThrow, java_lang_Throwable::st_getMyClass() ) )
+        {
+            java_lang_Throwable aThrow( _pEnvironment, jThrow );
+#if OSL_DEBUG_LEVEL > 0
+            aThrow.printStackTrace();
+#endif
+            OUString sMessage = aThrow.getMessage();
+            if ( sMessage.isEmpty() )
+                sMessage = aThrow.getLocalizedMessage();
+            if(  sMessage.isEmpty() )
+                sMessage = aThrow.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: */