libreoffice/connectivity/source/inc/java/lang/Object.hxx

/*************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * Copyright 2008 by Sun Microsystems, Inc.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * $RCSfile: Object.hxx,v $
 * $Revision: 1.15 $
 *
 * This file is part of OpenOffice.org.
 *
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 * it under the terms of the GNU Lesser General Public License version 3
 * only, as published by the Free Software Foundation.
 *
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License version 3 for more details
 * (a copy is included in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with OpenOffice.org.  If not, see
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#ifndef _CONNECTIVITY_JAVA_LANG_OBJECT_HXX_
#define _CONNECTIVITY_JAVA_LANG_OBJECT_HXX_

#if STLPORT_VERSION>=321
// jni.h needs cstdarg for std::va_list
#include <cstdarg>
#endif
#include <osl/thread.h>
#include <com/sun/star/sdbc/SQLException.hpp>
#include <com/sun/star/lang/XMultiServiceFactory.hpp>
#include <osl/diagnose.h>
#include <jvmaccess/virtualmachine.hxx>
#include <memory>
#include <boost/shared_ptr.hpp>

//=====================================================================

#ifdef HAVE_64BIT_POINTERS
#error "no 64 bit pointer"
#else
#ifdef OS2
#define PVOID_TO_INT64(x) (jlong)(sal_Int32)x
#define INT64_TO_PVOID(x) (void *)x
#endif // OS2
#endif //HAVE_64BIT_POINTERS

namespace comphelper
{
    class ResourceBasedEventLogger;
}

namespace connectivity
{
    typedef ::boost::shared_ptr< jvmaccess::VirtualMachine::AttachGuard> TGuard;
    class SDBThreadAttach
    {
        jvmaccess::VirtualMachine::AttachGuard m_aGuard;
        SDBThreadAttach(SDBThreadAttach&);
    public:
        SDBThreadAttach();
        ~SDBThreadAttach();

        JNIEnv* pEnv;
        static void addRef();
        static void releaseRef();

    public:
        JNIEnv& env() const
        {
            // according to the documentation of jvmaccess::VirtualMachine::AttachGuard, our env is never
            // NULL, so why bothering with pointer checks?
            return *pEnv;
        }
    };
    //=====================================================================
    class java_lang_Class;
    class  java_lang_Object
    {
        // Zuweisungsoperator und Copy Konstruktor sind verboten
        java_lang_Object& operator = (java_lang_Object&) { return *this;};
        java_lang_Object(java_lang_Object&) {};

        static jclass getMyClass();
        // nur zum Zerstoeren des C++ Pointers in vom JSbxObject
        // abgeleiteten Java Objekten
        ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory > m_xFactory;

    protected:
        // der JAVA Handle zu dieser Klasse
        jobject object;
        // Klassendefinition

        // neu in SJ2:
        static jclass theClass;             // die Klasse braucht nur einmal angefordert werden !

    public:
        // der Konstruktor, der fuer die abgeleiteten Klassen verwendet
        // werden soll.
        java_lang_Object( JNIEnv * pEnv, jobject myObj );
        // der eigentliche Konstruktor
        java_lang_Object(const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >& _rxFactory=NULL);

        virtual ~java_lang_Object();

        void                saveRef( JNIEnv * pEnv, jobject myObj );
        jobject             getJavaObject() const { return object; }
        java_lang_Object *  GetWrapper() { return this; }
        void clearObject(JNIEnv& rEnv);
        void clearObject();

        java_lang_Class *   getClass();

        virtual ::rtl::OUString toString() const;
        ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory > getORB() { return m_xFactory; }

        static void ThrowSQLException(JNIEnv * pEnv,const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface> & _rContext);
        static void ThrowLoggedSQLException(
            const ::comphelper::ResourceBasedEventLogger& _rLogger,
            JNIEnv* pEnvironment,
            const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& _rxContext
        );

        static ::rtl::Reference< jvmaccess::VirtualMachine > getVM(const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >& _rxFactory=NULL);
    };
}
#endif //_CONNECTIVITY_JAVA_LANG_OBJJECT_HXX_