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

   1 /*************************************************************************
   2  *
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * Copyright 2008 by Sun Microsystems, Inc.
   6  *
   7  * OpenOffice.org - a multi-platform office productivity suite
   8  *
   9  * $RCSfile: Object.hxx,v $
  10  * $Revision: 1.15 $
  11  *
  12  * This file is part of OpenOffice.org.
  13  *
  14  * OpenOffice.org is free software: you can redistribute it and/or modify
  15  * it under the terms of the GNU Lesser General Public License version 3
  16  * only, as published by the Free Software Foundation.
  17  *
  18  * OpenOffice.org is distributed in the hope that it will be useful,
  19  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  20  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21  * GNU Lesser General Public License version 3 for more details
  22  * (a copy is included in the LICENSE file that accompanied this code).
  23  *
  24  * You should have received a copy of the GNU Lesser General Public License
  25  * version 3 along with OpenOffice.org.  If not, see
  26  * <http://www.openoffice.org/license.html>
  27  * for a copy of the LGPLv3 License.
  28  *
  29  ************************************************************************/
  30 #ifndef _CONNECTIVITY_JAVA_LANG_OBJECT_HXX_
  31 #define _CONNECTIVITY_JAVA_LANG_OBJECT_HXX_
  32
  33 #if STLPORT_VERSION>=321
  34 // jni.h needs cstdarg for std::va_list
  35 #include <cstdarg>
  36 #endif
  37 #include <osl/thread.h>
  38 #include <com/sun/star/sdbc/SQLException.hpp>
  39 #include <com/sun/star/lang/XMultiServiceFactory.hpp>
  40 #include <osl/diagnose.h>
  41 #include <jvmaccess/virtualmachine.hxx>
  42 #include <memory>
  43 #include <functional>
  44 #include <boost/shared_ptr.hpp>
  45
  46 //=====================================================================
  47
  48 #ifdef HAVE_64BIT_POINTERS
  49 #error "no 64 bit pointer"
  50 #else
  51 #ifdef OS2
  52 #define PVOID_TO_INT64(x) (jlong)(sal_Int32)x
  53 #define INT64_TO_PVOID(x) (void *)x
  54 #endif // OS2
  55 #endif //HAVE_64BIT_POINTERS
  56
  57 namespace comphelper
  58 {
  59     class ResourceBasedEventLogger;
  60 }
  61
  62 namespace connectivity
  63 {
  64     typedef ::boost::shared_ptr< jvmaccess::VirtualMachine::AttachGuard> TGuard;
  65     class SDBThreadAttach
  66     {
  67         jvmaccess::VirtualMachine::AttachGuard m_aGuard;
  68         SDBThreadAttach(SDBThreadAttach&);
  69         SDBThreadAttach& operator= (SDBThreadAttach&);
  70     public:
  71         SDBThreadAttach();
  72         ~SDBThreadAttach();
  73
  74         JNIEnv* pEnv;
  75         static void addRef();
  76         static void releaseRef();
  77
  78     public:
  79         JNIEnv& env() const
  80         {
  81             // according to the documentation of jvmaccess::VirtualMachine::AttachGuard, our env is never
  82             // NULL, so why bothering with pointer checks?
  83             return *pEnv;
  84         }
  85     };
  86     //=====================================================================
  87     //=====================================================================
  88     class java_lang_Class;
  89     class  java_lang_Object
  90     {
  91         // Zuweisungsoperator und Copy Konstruktor sind verboten
  92         java_lang_Object& operator= (java_lang_Object&);
  93         java_lang_Object(java_lang_Object&);
  94
  95         // nur zum Zerstoeren des C++ Pointers in vom JSbxObject
  96         // abgeleiteten Java Objekten
  97         ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory > m_xFactory;
  98
  99     protected:
 100         // der JAVA Handle zu dieser Klasse
 101         jobject object;
 102         // Klassendefinition
 103
 104         // neu in SJ2:
 105         static jclass theClass;                         // die Klasse braucht nur einmal angefordert werden !
 106
 107         virtual jclass getMyClass() const;
 108
 109     public:
 110         // der Konstruktor, der fuer die abgeleiteten Klassen verwendet
 111         // werden soll.
 112         java_lang_Object( JNIEnv * pEnv, jobject myObj );
 113         // der eigentliche Konstruktor
 114         java_lang_Object(const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >& _rxFactory=NULL);
 115
 116         virtual ~java_lang_Object();
 117
 118         void                            saveRef( JNIEnv * pEnv, jobject myObj );
 119         jobject                         getJavaObject() const { return object; }
 120         java_lang_Object *      GetWrapper() { return this; }
 121         void clearObject(JNIEnv& rEnv);
 122         void clearObject();
 123
 124         java_lang_Class *       getClass();
 125
 126         virtual ::rtl::OUString toString() const;
 127         ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory > getORB() { return m_xFactory; }
 128
 129         static void ThrowSQLException(JNIEnv * pEnv,const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface> & _rContext);
 130         static void ThrowLoggedSQLException(
 131             const ::comphelper::ResourceBasedEventLogger& _rLogger,
 132             JNIEnv* pEnvironment,
 133             const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& _rxContext
 134         );
 135
 136         static ::rtl::Reference< jvmaccess::VirtualMachine > getVM(const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >& _rxFactory=NULL);
 137
 138         static jclass   findMyClass(const char* _pClassName);
 139         void            obtainMethodId(JNIEnv* _pEnv, const char* _pMethodName, const char* _pSignature, jmethodID& _inout_MethodID) const;
 140
 141         sal_Bool        callBooleanMethod( const char* _pMethodName, jmethodID& _inout_MethodID ) const;
 142         sal_Bool        callBooleanMethodWithIntArg( const char* _pMethodName, jmethodID& _inout_MethodID, sal_Int32 _nArgument ) const;
 143         jobject         callResultSetMethod( JNIEnv& _rEnv, const char* _pMethodName, jmethodID& _inout_MethodID ) const;
 144         sal_Int32       callIntMethod( const char* _pMethodName, jmethodID& _inout_MethodID,bool _bIgnoreException = false ) const;
 145         sal_Int32       callIntMethodWithIntArg( const char* _pMethodName, jmethodID& _inout_MethodID, sal_Int32 _nArgument ) const;
 146         sal_Int32       callIntMethodWithStringArg( const char* _pMethodName, jmethodID& _inout_MethodID,const ::rtl::OUString& _nArgument ) const;
 147         ::rtl::OUString callStringMethod( const char* _pMethodName, jmethodID& _inout_MethodID ) const;
 148         ::rtl::OUString callStringMethodWithIntArg( const char* _pMethodName, jmethodID& _inout_MethodID , sal_Int32 _nArgument) const;
 149         void            callVoidMethod( const char* _pMethodName, jmethodID& _inout_MethodID) const;
 150         void            callVoidMethodWithIntArg( const char* _pMethodName, jmethodID& _inout_MethodID, sal_Int32 _nArgument,bool _bIgnoreException = false ) const;
 151         void            callVoidMethodWithBoolArg( const char* _pMethodName, jmethodID& _inout_MethodID, sal_Int32 _nArgument,bool _bIgnoreException = false ) const;
 152         void            callVoidMethodWithStringArg( const char* _pMethodName, jmethodID& _inout_MethodID, const ::rtl::OUString& _nArgument ) const;
 153         jobject         callObjectMethod( JNIEnv * pEnv, const char* _pMethodName, const char* _pSignature, jmethodID& _inout_MethodID ) const;
 154         jobject         callObjectMethodWithIntArg( JNIEnv * pEnv, const char* _pMethodName, const char* _pSignature, jmethodID& _inout_MethodID , sal_Int32 _nArgument) const;
 155
 156         template< typename T >
 157                         T callMethodWithIntArg(T (JNIEnv::*pCallMethod)( jobject obj, jmethodID methodID, ... ) ,const char* _pMethodName, const char* _pSignature, jmethodID& _inout_MethodID , sal_Int32 _nArgument) const
 158         {
 159             SDBThreadAttach t;
 160             obtainMethodId(t.pEnv, _pMethodName,_pSignature, _inout_MethodID);
 161             T out = (t.pEnv->*pCallMethod)( object, _inout_MethodID,_nArgument);
 162             ThrowSQLException( t.pEnv, NULL );
 163             return out;
 164         }
 165
 166         template< typename T >
 167                         void callVoidMethod(const char* _pMethodName, const char* _pSignature, jmethodID& _inout_MethodID,sal_Int32 _nArgument, const T& _aValue) const
 168         {
 169             SDBThreadAttach t;
 170             obtainMethodId(t.pEnv, _pMethodName,_pSignature, _inout_MethodID);
 171             t.pEnv->CallVoidMethod( object, _inout_MethodID,_nArgument,_aValue);
 172             ThrowSQLException( t.pEnv, NULL );
 173         }
 174
 175
 176     };
 177 }
 178 #endif //_CONNECTIVITY_JAVA_LANG_OBJJECT_HXX_
 179
 180