1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 #ifndef _CONNECTIVITY_JAVA_LANG_OBJECT_HXX_ 24 #define _CONNECTIVITY_JAVA_LANG_OBJECT_HXX_ 25 26 // jni.h needs cstdarg for std::va_list 27 #include <cstdarg> 28 #include <osl/thread.h> 29 #include <com/sun/star/sdbc/SQLException.hpp> 30 #include <com/sun/star/lang/XMultiServiceFactory.hpp> 31 #include <osl/diagnose.h> 32 #include <jvmaccess/virtualmachine.hxx> 33 #include <memory> 34 #include <functional> 35 #include <boost/shared_ptr.hpp> 36 37 //===================================================================== 38 39 #ifdef HAVE_64BIT_POINTERS 40 #error "no 64 bit pointer" 41 #else 42 #ifdef OS2 43 #define PVOID_TO_INT64(x) (jlong)(sal_Int32)x 44 #define INT64_TO_PVOID(x) (void *)x 45 #endif // OS2 46 #endif //HAVE_64BIT_POINTERS 47 48 namespace comphelper 49 { 50 class ResourceBasedEventLogger; 51 } 52 53 namespace connectivity 54 { 55 typedef ::boost::shared_ptr< jvmaccess::VirtualMachine::AttachGuard> TGuard; 56 class SDBThreadAttach 57 { 58 jvmaccess::VirtualMachine::AttachGuard m_aGuard; 59 SDBThreadAttach(SDBThreadAttach&); 60 SDBThreadAttach& operator= (SDBThreadAttach&); 61 public: 62 SDBThreadAttach(); 63 ~SDBThreadAttach(); 64 65 JNIEnv* pEnv; 66 static void addRef(); 67 static void releaseRef(); 68 69 public: env() const70 JNIEnv& env() const 71 { 72 // according to the documentation of jvmaccess::VirtualMachine::AttachGuard, our env is never 73 // NULL, so why bothering with pointer checks? 74 return *pEnv; 75 } 76 }; 77 //===================================================================== 78 //===================================================================== 79 class java_lang_Class; 80 class java_lang_Object 81 { 82 // Zuweisungsoperator und Copy Konstruktor sind verboten 83 java_lang_Object& operator= (java_lang_Object&); 84 java_lang_Object(java_lang_Object&); 85 86 // nur zum Zerstoeren des C++ Pointers in vom JSbxObject 87 // abgeleiteten Java Objekten 88 ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory > m_xFactory; 89 90 protected: 91 // der JAVA Handle zu dieser Klasse 92 jobject object; 93 // Klassendefinition 94 95 // neu in SJ2: 96 static jclass theClass; // die Klasse braucht nur einmal angefordert werden ! 97 98 virtual jclass getMyClass() const; 99 100 public: 101 // der Konstruktor, der fuer die abgeleiteten Klassen verwendet 102 // werden soll. 103 java_lang_Object( JNIEnv * pEnv, jobject myObj ); 104 // der eigentliche Konstruktor 105 java_lang_Object(const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >& _rxFactory=NULL); 106 107 virtual ~java_lang_Object(); 108 109 void saveRef( JNIEnv * pEnv, jobject myObj ); getJavaObject() const110 jobject getJavaObject() const { return object; } GetWrapper()111 java_lang_Object * GetWrapper() { return this; } 112 void clearObject(JNIEnv& rEnv); 113 void clearObject(); 114 115 virtual ::rtl::OUString toString() const; getORB()116 ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory > getORB() { return m_xFactory; } 117 118 static void ThrowSQLException(JNIEnv * pEnv,const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface> & _rContext); 119 static void ThrowLoggedSQLException( 120 const ::comphelper::ResourceBasedEventLogger& _rLogger, 121 JNIEnv* pEnvironment, 122 const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& _rxContext 123 ); 124 125 static ::rtl::Reference< jvmaccess::VirtualMachine > getVM(const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >& _rxFactory=NULL); 126 127 static jclass findMyClass(const char* _pClassName); 128 void obtainMethodId(JNIEnv* _pEnv, const char* _pMethodName, const char* _pSignature, jmethodID& _inout_MethodID) const; 129 130 sal_Bool callBooleanMethod( const char* _pMethodName, jmethodID& _inout_MethodID ) const; 131 sal_Bool callBooleanMethodWithIntArg( const char* _pMethodName, jmethodID& _inout_MethodID, sal_Int32 _nArgument ) const; 132 jobject callResultSetMethod( JNIEnv& _rEnv, const char* _pMethodName, jmethodID& _inout_MethodID ) const; 133 sal_Int32 callIntMethod( const char* _pMethodName, jmethodID& _inout_MethodID,bool _bIgnoreException = false ) const; 134 sal_Int32 callIntMethodWithIntArg( const char* _pMethodName, jmethodID& _inout_MethodID, sal_Int32 _nArgument ) const; 135 sal_Int32 callIntMethodWithStringArg( const char* _pMethodName, jmethodID& _inout_MethodID,const ::rtl::OUString& _nArgument ) const; 136 ::rtl::OUString callStringMethod( const char* _pMethodName, jmethodID& _inout_MethodID ) const; 137 ::rtl::OUString callStringMethodWithIntArg( const char* _pMethodName, jmethodID& _inout_MethodID , sal_Int32 _nArgument) const; 138 void callVoidMethod( const char* _pMethodName, jmethodID& _inout_MethodID) const; 139 void callVoidMethodWithIntArg( const char* _pMethodName, jmethodID& _inout_MethodID, sal_Int32 _nArgument,bool _bIgnoreException = false ) const; 140 void callVoidMethodWithBoolArg( const char* _pMethodName, jmethodID& _inout_MethodID, sal_Int32 _nArgument,bool _bIgnoreException = false ) const; 141 void callVoidMethodWithStringArg( const char* _pMethodName, jmethodID& _inout_MethodID, const ::rtl::OUString& _nArgument ) const; 142 jobject callObjectMethod( JNIEnv * pEnv, const char* _pMethodName, const char* _pSignature, jmethodID& _inout_MethodID ) const; 143 jobject callObjectMethodWithIntArg( JNIEnv * pEnv, const char* _pMethodName, const char* _pSignature, jmethodID& _inout_MethodID , sal_Int32 _nArgument) const; 144 145 template< typename T > callMethodWithIntArg(T (JNIEnv::* pCallMethod)(jobject obj,jmethodID methodID,...),const char * _pMethodName,const char * _pSignature,jmethodID & _inout_MethodID,sal_Int32 _nArgument) const146 T callMethodWithIntArg(T (JNIEnv::*pCallMethod)( jobject obj, jmethodID methodID, ... ) ,const char* _pMethodName, const char* _pSignature, jmethodID& _inout_MethodID , sal_Int32 _nArgument) const 147 { 148 SDBThreadAttach t; 149 obtainMethodId(t.pEnv, _pMethodName,_pSignature, _inout_MethodID); 150 T out = (t.pEnv->*pCallMethod)( object, _inout_MethodID,_nArgument); 151 ThrowSQLException( t.pEnv, NULL ); 152 return out; 153 } 154 155 template< typename T > callVoidMethod(const char * _pMethodName,const char * _pSignature,jmethodID & _inout_MethodID,sal_Int32 _nArgument,const T & _aValue) const156 void callVoidMethod(const char* _pMethodName, const char* _pSignature, jmethodID& _inout_MethodID,sal_Int32 _nArgument, const T& _aValue) const 157 { 158 SDBThreadAttach t; 159 obtainMethodId(t.pEnv, _pMethodName,_pSignature, _inout_MethodID); 160 t.pEnv->CallVoidMethod( object, _inout_MethodID,_nArgument,_aValue); 161 ThrowSQLException( t.pEnv, NULL ); 162 } 163 164 165 }; 166 } 167 #endif //_CONNECTIVITY_JAVA_LANG_OBJJECT_HXX_ 168 169 170