Line data Source code
1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 : #include "java/lang/Class.hxx"
21 : #include "connectivity/CommonTools.hxx"
22 : #include <com/sun/star/uno/Exception.hpp>
23 : #include "java/tools.hxx"
24 : #include "java/sql/SQLException.hxx"
25 : #include <osl/mutex.hxx>
26 : #include <osl/thread.h>
27 : #include <com/sun/star/uno/Sequence.hxx>
28 : #include "java/LocalRef.hxx"
29 : #include "resource/jdbc_log.hrc"
30 : #include <rtl/logfile.hxx>
31 : #include <comphelper/logging.hxx>
32 :
33 : #include <memory>
34 :
35 : using namespace connectivity;
36 : using namespace ::com::sun::star::uno;
37 : using namespace ::com::sun::star::beans;
38 : using namespace ::com::sun::star::sdbc;
39 : using namespace ::com::sun::star::container;
40 : using namespace ::com::sun::star::lang;
41 :
42 :
43 : // -----------------------------------------------------------------------------
44 0 : ::rtl::Reference< jvmaccess::VirtualMachine > getJavaVM2(const ::rtl::Reference< jvmaccess::VirtualMachine >& _rVM = ::rtl::Reference< jvmaccess::VirtualMachine >(),
45 : sal_Bool _bSet = sal_False)
46 : {
47 0 : static ::rtl::Reference< jvmaccess::VirtualMachine > s_VM;
48 0 : if ( _rVM.is() || _bSet )
49 0 : s_VM = _rVM;
50 0 : return s_VM;
51 : }
52 : // -----------------------------------------------------------------------------
53 0 : ::rtl::Reference< jvmaccess::VirtualMachine > java_lang_Object::getVM(const Reference<XMultiServiceFactory >& _rxFactory)
54 : {
55 0 : ::rtl::Reference< jvmaccess::VirtualMachine > xVM = getJavaVM2();
56 0 : if ( !xVM.is() && _rxFactory.is() )
57 0 : xVM = getJavaVM2(::connectivity::getJavaVM(_rxFactory));
58 :
59 0 : return xVM;
60 : }
61 : // -----------------------------------------------------------------------------
62 0 : SDBThreadAttach::SDBThreadAttach()
63 : : m_aGuard(java_lang_Object::getVM())
64 0 : , pEnv(NULL)
65 : {
66 0 : pEnv = m_aGuard.getEnvironment();
67 : OSL_ENSURE(pEnv,"Environment is nULL!");
68 0 : }
69 : // -----------------------------------------------------------------------------
70 0 : SDBThreadAttach::~SDBThreadAttach()
71 : {
72 0 : }
73 : // -----------------------------------------------------------------------------
74 0 : oslInterlockedCount& getJavaVMRefCount()
75 : {
76 : static oslInterlockedCount s_nRefCount = 0;
77 0 : return s_nRefCount;
78 : }
79 : // -----------------------------------------------------------------------------
80 0 : void SDBThreadAttach::addRef()
81 : {
82 0 : osl_atomic_increment(&getJavaVMRefCount());
83 0 : }
84 : // -----------------------------------------------------------------------------
85 0 : void SDBThreadAttach::releaseRef()
86 : {
87 0 : osl_atomic_decrement(&getJavaVMRefCount());
88 0 : if ( getJavaVMRefCount() == 0 )
89 : {
90 0 : getJavaVM2(::rtl::Reference< jvmaccess::VirtualMachine >(),sal_True);
91 : }
92 0 : }
93 : // -----------------------------------------------------------------------------
94 : // static variables of the class
95 : jclass java_lang_Object::theClass = 0;
96 :
97 0 : jclass java_lang_Object::getMyClass() const
98 : {
99 0 : if( !theClass )
100 0 : theClass = findMyClass("java/lang/Object");
101 0 : return theClass;
102 : }
103 : // the actual constructor
104 0 : java_lang_Object::java_lang_Object(const Reference<XMultiServiceFactory >& _rxFactory)
105 0 : : m_xFactory(_rxFactory),object( 0 )
106 : {
107 0 : SDBThreadAttach::addRef();
108 0 : }
109 :
110 : // the protected-constructor for the derived classes
111 0 : java_lang_Object::java_lang_Object( JNIEnv * pXEnv, jobject myObj )
112 0 : : object( NULL )
113 : {
114 0 : SDBThreadAttach::addRef();
115 0 : if( pXEnv && myObj )
116 0 : object = pXEnv->NewGlobalRef( myObj );
117 0 : }
118 :
119 0 : java_lang_Object::~java_lang_Object()
120 : {
121 0 : if( object )
122 : {
123 0 : SDBThreadAttach t;
124 0 : clearObject(*t.pEnv);
125 : }
126 0 : SDBThreadAttach::releaseRef();
127 0 : }
128 0 : void java_lang_Object::clearObject(JNIEnv& rEnv)
129 : {
130 0 : if( object )
131 : {
132 0 : rEnv.DeleteGlobalRef( object );
133 0 : object = NULL;
134 : }
135 0 : }
136 :
137 0 : void java_lang_Object::clearObject()
138 : {
139 0 : if( object )
140 : {
141 0 : SDBThreadAttach t;
142 0 : clearObject(*t.pEnv);
143 : }
144 0 : }
145 : // the protected-constructor for the derived classes
146 0 : void java_lang_Object::saveRef( JNIEnv * pXEnv, jobject myObj )
147 : {
148 : OSL_ENSURE( myObj, "object in c++ -> Java Wrapper" );
149 0 : if( myObj )
150 0 : object = pXEnv->NewGlobalRef( myObj );
151 0 : }
152 :
153 :
154 0 : ::rtl::OUString java_lang_Object::toString() const
155 : {
156 : static jmethodID mID(NULL);
157 0 : return callStringMethod("toString",mID);
158 : }
159 :
160 : // --------------------------------------------------------------------------------
161 : namespace
162 : {
163 0 : bool lcl_translateJNIExceptionToUNOException(
164 : JNIEnv* _pEnvironment, const Reference< XInterface >& _rxContext, SQLException& _out_rException )
165 : {
166 0 : jthrowable jThrow = _pEnvironment ? _pEnvironment->ExceptionOccurred() : NULL;
167 0 : if ( !jThrow )
168 0 : return false;
169 :
170 0 : _pEnvironment->ExceptionClear();
171 : // we have to clear the exception here because we want to handle it itself
172 :
173 0 : if ( _pEnvironment->IsInstanceOf( jThrow, java_sql_SQLException_BASE::st_getMyClass() ) )
174 : {
175 0 : ::std::auto_ptr< java_sql_SQLException_BASE > pException( new java_sql_SQLException_BASE( _pEnvironment, jThrow ) );
176 0 : _out_rException = SQLException( pException->getMessage(), _rxContext,
177 0 : pException->getSQLState(), pException->getErrorCode(), Any() );
178 0 : return true;
179 : }
180 0 : else if ( _pEnvironment->IsInstanceOf( jThrow, java_lang_Throwable::st_getMyClass() ) )
181 : {
182 0 : ::std::auto_ptr< java_lang_Throwable > pThrow( new java_lang_Throwable( _pEnvironment, jThrow ) );
183 : #if OSL_DEBUG_LEVEL > 0
184 : pThrow->printStackTrace();
185 : #endif
186 0 : ::rtl::OUString sMessage = pThrow->getMessage();
187 0 : if ( sMessage.isEmpty() )
188 0 : sMessage = pThrow->getLocalizedMessage();
189 0 : if( sMessage.isEmpty() )
190 0 : sMessage = pThrow->toString();
191 0 : _out_rException = SQLException( sMessage, _rxContext, ::rtl::OUString(), -1, Any() );
192 0 : return true;
193 : }
194 : else
195 0 : _pEnvironment->DeleteLocalRef( jThrow );
196 0 : return false;
197 : }
198 : }
199 :
200 : // --------------------------------------------------------------------------------
201 0 : void java_lang_Object::ThrowLoggedSQLException( const ::comphelper::ResourceBasedEventLogger& _rLogger, JNIEnv* _pEnvironment,
202 : const Reference< XInterface >& _rxContext )
203 : {
204 0 : SQLException aException;
205 0 : if ( lcl_translateJNIExceptionToUNOException( _pEnvironment, _rxContext, aException ) )
206 : {
207 0 : _rLogger.log( ::com::sun::star::logging::LogLevel::SEVERE, STR_LOG_THROWING_EXCEPTION, aException.Message, aException.SQLState, aException.ErrorCode );
208 0 : throw aException;
209 0 : }
210 0 : }
211 :
212 : // --------------------------------------------------------------------------------
213 0 : void java_lang_Object::ThrowSQLException( JNIEnv* _pEnvironment, const Reference< XInterface>& _rxContext )
214 : {
215 0 : SQLException aException;
216 0 : if ( lcl_translateJNIExceptionToUNOException( _pEnvironment, _rxContext, aException ) )
217 0 : throw aException;
218 0 : }
219 : // -----------------------------------------------------------------------------
220 0 : void java_lang_Object::obtainMethodId(JNIEnv* _pEnv,const char* _pMethodName, const char* _pSignature,jmethodID& _inout_MethodID) const
221 : {
222 0 : if ( !_inout_MethodID )
223 : {
224 0 : _inout_MethodID = _pEnv->GetMethodID( getMyClass(), _pMethodName, _pSignature );
225 : OSL_ENSURE( _inout_MethodID, _pSignature );
226 0 : if ( !_inout_MethodID )
227 0 : throw SQLException();
228 : } // if ( !_inout_MethodID )
229 0 : }
230 : // -----------------------------------------------------------------------------
231 0 : sal_Bool java_lang_Object::callBooleanMethod( const char* _pMethodName, jmethodID& _inout_MethodID ) const
232 : {
233 0 : jboolean out( sal_False );
234 :
235 0 : SDBThreadAttach t;
236 : OSL_ENSURE( t.pEnv, "java_lang_Object::callBooleanMethod: no Java enviroment anymore!" );
237 0 : obtainMethodId(t.pEnv, _pMethodName,"()Z", _inout_MethodID);
238 : // call method
239 0 : out = t.pEnv->CallBooleanMethod( object, _inout_MethodID );
240 0 : ThrowSQLException( t.pEnv, NULL );
241 :
242 0 : return out;
243 : }
244 : // -----------------------------------------------------------------------------
245 0 : sal_Bool java_lang_Object::callBooleanMethodWithIntArg( const char* _pMethodName, jmethodID& _inout_MethodID, sal_Int32 _nArgument ) const
246 : {
247 0 : jboolean out( sal_False );
248 0 : SDBThreadAttach t;
249 : OSL_ENSURE( t.pEnv, "java_lang_Object::callBooleanMethodWithIntArg: no Java enviroment anymore!" );
250 0 : obtainMethodId(t.pEnv, _pMethodName,"(I)Z", _inout_MethodID);
251 : // call method
252 0 : out = t.pEnv->CallBooleanMethod( object, _inout_MethodID, _nArgument );
253 0 : ThrowSQLException( t.pEnv, NULL );
254 :
255 0 : return out;
256 : }
257 : // -------------------------------------------------------------------------
258 0 : jobject java_lang_Object::callResultSetMethod( JNIEnv& _rEnv,const char* _pMethodName, jmethodID& _inout_MethodID ) const
259 : {
260 : // call method
261 0 : jobject out = callObjectMethod(&_rEnv,_pMethodName,"()Ljava/sql/ResultSet;", _inout_MethodID);
262 0 : return out;
263 : }
264 : // -------------------------------------------------------------------------
265 0 : sal_Int32 java_lang_Object::callIntMethod( const char* _pMethodName, jmethodID& _inout_MethodID,bool _bIgnoreException ) const
266 : {
267 0 : SDBThreadAttach t;
268 : OSL_ENSURE( t.pEnv, "java_lang_Object::callIntMethod: no Java enviroment anymore!" );
269 0 : obtainMethodId(t.pEnv, _pMethodName,"()I", _inout_MethodID);
270 :
271 : // call method
272 0 : jint out( t.pEnv->CallIntMethod( object, _inout_MethodID ) );
273 0 : if ( _bIgnoreException )
274 0 : isExceptionOccurred(t.pEnv,sal_True);
275 : else
276 0 : ThrowSQLException( t.pEnv, NULL );
277 :
278 0 : return (sal_Int32)out;
279 : }
280 : // -------------------------------------------------------------------------
281 0 : sal_Int32 java_lang_Object::callIntMethodWithIntArg( const char* _pMethodName, jmethodID& _inout_MethodID,sal_Int32 _nArgument ) const
282 : {
283 0 : SDBThreadAttach t;
284 : OSL_ENSURE( t.pEnv, "java_lang_Object::callIntMethod: no Java enviroment anymore!" );
285 0 : obtainMethodId(t.pEnv, _pMethodName,"(I)I", _inout_MethodID);
286 : // call method
287 0 : jint out( t.pEnv->CallIntMethod( object, _inout_MethodID , _nArgument) );
288 0 : ThrowSQLException( t.pEnv, NULL );
289 :
290 0 : return (sal_Int32)out;
291 : }
292 : // -------------------------------------------------------------------------
293 0 : void java_lang_Object::callVoidMethod( const char* _pMethodName, jmethodID& _inout_MethodID) const
294 : {
295 0 : SDBThreadAttach t;
296 : OSL_ENSURE( t.pEnv, "java_lang_Object::callIntMethod: no Java enviroment anymore!" );
297 0 : obtainMethodId(t.pEnv, _pMethodName,"()V", _inout_MethodID);
298 :
299 : // call method
300 0 : t.pEnv->CallVoidMethod( object, _inout_MethodID );
301 0 : ThrowSQLException( t.pEnv, NULL );
302 0 : }
303 : // -------------------------------------------------------------------------
304 0 : void java_lang_Object::callVoidMethodWithIntArg( const char* _pMethodName, jmethodID& _inout_MethodID, sal_Int32 _nArgument,bool _bIgnoreException ) const
305 : {
306 0 : SDBThreadAttach t;
307 : OSL_ENSURE( t.pEnv, "java_lang_Object::callIntMethod: no Java enviroment anymore!" );
308 0 : obtainMethodId(t.pEnv, _pMethodName,"(I)V", _inout_MethodID);
309 :
310 : // call method
311 0 : t.pEnv->CallVoidMethod( object, _inout_MethodID,_nArgument );
312 0 : if ( _bIgnoreException )
313 0 : isExceptionOccurred(t.pEnv,sal_True);
314 : else
315 0 : ThrowSQLException( t.pEnv, NULL );
316 0 : }
317 : // -------------------------------------------------------------------------
318 0 : void java_lang_Object::callVoidMethodWithBoolArg( const char* _pMethodName, jmethodID& _inout_MethodID, sal_Int32 _nArgument,bool _bIgnoreException ) const
319 : {
320 0 : SDBThreadAttach t;
321 : OSL_ENSURE( t.pEnv, "java_lang_Object::callIntMethod: no Java enviroment anymore!" );
322 0 : obtainMethodId(t.pEnv, _pMethodName,"(Z)V", _inout_MethodID);
323 : // call method
324 0 : t.pEnv->CallVoidMethod( object, _inout_MethodID,_nArgument );
325 0 : if ( _bIgnoreException )
326 0 : isExceptionOccurred(t.pEnv,sal_True);
327 : else
328 0 : ThrowSQLException( t.pEnv, NULL );
329 0 : }
330 : // -----------------------------------------------------------------------------
331 0 : ::rtl::OUString java_lang_Object::callStringMethod( const char* _pMethodName, jmethodID& _inout_MethodID ) const
332 : {
333 0 : SDBThreadAttach t;
334 : OSL_ENSURE( t.pEnv, "java_lang_Object::callStringMethod: no Java enviroment anymore!" );
335 :
336 : // call method
337 0 : jstring out = (jstring)callObjectMethod(t.pEnv,_pMethodName,"()Ljava/lang/String;", _inout_MethodID);
338 0 : return JavaString2String( t.pEnv, out );
339 : }
340 : // -----------------------------------------------------------------------------
341 0 : jobject java_lang_Object::callObjectMethod( JNIEnv * _pEnv,const char* _pMethodName,const char* _pSignature, jmethodID& _inout_MethodID ) const
342 : {
343 : // obtain method ID
344 0 : obtainMethodId(_pEnv, _pMethodName,_pSignature, _inout_MethodID);
345 : // call method
346 0 : jobject out = _pEnv->CallObjectMethod( object, _inout_MethodID);
347 0 : ThrowSQLException( _pEnv, NULL );
348 0 : return out;
349 : }
350 :
351 : // -----------------------------------------------------------------------------
352 0 : jobject java_lang_Object::callObjectMethodWithIntArg( JNIEnv * _pEnv,const char* _pMethodName,const char* _pSignature, jmethodID& _inout_MethodID , sal_Int32 _nArgument) const
353 : {
354 0 : obtainMethodId(_pEnv, _pMethodName,_pSignature, _inout_MethodID);
355 : // call method
356 0 : jobject out = _pEnv->CallObjectMethod( object, _inout_MethodID,_nArgument );
357 0 : ThrowSQLException( _pEnv, NULL );
358 0 : return out;
359 : }
360 : // -----------------------------------------------------------------------------
361 0 : ::rtl::OUString java_lang_Object::callStringMethodWithIntArg( const char* _pMethodName, jmethodID& _inout_MethodID , sal_Int32 _nArgument) const
362 : {
363 0 : SDBThreadAttach t;
364 : OSL_ENSURE( t.pEnv, "java_lang_Object::callStringMethod: no Java enviroment anymore!" );
365 0 : jstring out = (jstring)callObjectMethodWithIntArg(t.pEnv,_pMethodName,"(I)Ljava/lang/String;",_inout_MethodID,_nArgument);
366 0 : return JavaString2String( t.pEnv, out );
367 : }
368 : // -------------------------------------------------------------------------
369 0 : void java_lang_Object::callVoidMethodWithStringArg( const char* _pMethodName, jmethodID& _inout_MethodID,const ::rtl::OUString& _nArgument ) const
370 : {
371 0 : SDBThreadAttach t;
372 : OSL_ENSURE( t.pEnv, "java_lang_Object::callIntMethod: no Java enviroment anymore!" );
373 0 : obtainMethodId(t.pEnv, _pMethodName,"(Ljava/lang/String;)V", _inout_MethodID);
374 :
375 0 : jdbc::LocalRef< jstring > str( t.env(),convertwchar_tToJavaString(t.pEnv,_nArgument));
376 : // call method
377 0 : t.pEnv->CallVoidMethod( object, _inout_MethodID , str.get());
378 0 : ThrowSQLException( t.pEnv, NULL );
379 0 : }
380 : // -------------------------------------------------------------------------
381 0 : sal_Int32 java_lang_Object::callIntMethodWithStringArg( const char* _pMethodName, jmethodID& _inout_MethodID,const ::rtl::OUString& _nArgument ) const
382 : {
383 0 : SDBThreadAttach t;
384 : OSL_ENSURE( t.pEnv, "java_lang_Object::callIntMethodWithStringArg: no Java enviroment anymore!" );
385 0 : obtainMethodId(t.pEnv, _pMethodName,"(Ljava/lang/String;)I", _inout_MethodID);
386 :
387 : //TODO: Check if the code below is needed
388 : //jdbc::LocalRef< jstring > str( t.env(), convertwchar_tToJavaString( t.pEnv, sql ) );
389 : //{
390 : // jdbc::ContextClassLoaderScope ccl( t.env(),
391 : // m_pConnection ? m_pConnection->getDriverClassLoader() : jdbc::GlobalRef< jobject >(),
392 : // m_aLogger,
393 : // *this
394 : // );
395 :
396 0 : jdbc::LocalRef< jstring > str( t.env(),convertwchar_tToJavaString(t.pEnv,_nArgument));
397 : // call method
398 0 : jint out = t.pEnv->CallIntMethod( object, _inout_MethodID , str.get());
399 0 : ThrowSQLException( t.pEnv, NULL );
400 0 : return (sal_Int32)out;
401 : }
402 : // -----------------------------------------------------------------------------
403 0 : jclass java_lang_Object::findMyClass(const char* _pClassName)
404 : {
405 : // the class must be fetched only once, therefore static
406 0 : SDBThreadAttach t;
407 0 : jclass tempClass = t.pEnv->FindClass(_pClassName); OSL_ENSURE(tempClass,"Java : FindClass nicht erfolgreich!");
408 0 : if(!tempClass)
409 : {
410 0 : t.pEnv->ExceptionDescribe();
411 0 : t.pEnv->ExceptionClear();
412 : }
413 0 : jclass globClass = (jclass)t.pEnv->NewGlobalRef( tempClass );
414 0 : t.pEnv->DeleteLocalRef( tempClass );
415 0 : return globClass;
416 : }
417 :
418 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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