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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 <com/sun/star/sdbc/XConnection.hpp>
21 : #include <com/sun/star/sdbc/XDataSource.hpp>
22 : #include <com/sun/star/util/XNumberFormatsSupplier.hpp>
23 : #include <com/sun/star/sdb/SQLContext.hpp>
24 : #include "svx/dbtoolsclient.hxx"
25 : #include <osl/diagnose.h>
26 : #include <rtl/instance.hxx>
27 : #include <connectivity/formattedcolumnvalue.hxx>
28 :
29 :
30 : namespace svxform
31 : {
32 :
33 :
34 : using namespace ::connectivity::simple;
35 : using namespace ::com::sun::star::sdbc;
36 : using namespace ::com::sun::star::lang;
37 : using namespace ::com::sun::star::util;
38 : using namespace ::com::sun::star::uno;
39 : using namespace ::com::sun::star::beans;
40 : using namespace ::com::sun::star::sdb;
41 : using namespace ::com::sun::star::container;
42 :
43 :
44 : //= ODbtoolsClient
45 :
46 :
47 : namespace
48 : {
49 : struct theODbtoolsClientMutex : public rtl::Static< osl::Mutex, theODbtoolsClientMutex> {};
50 : }
51 :
52 : sal_Int32 ODbtoolsClient::s_nClients = 0;
53 : oslModule ODbtoolsClient::s_hDbtoolsModule = NULL;
54 : createDataAccessToolsFactoryFunction
55 : ODbtoolsClient::s_pFactoryCreationFunc = NULL;
56 :
57 :
58 0 : ODbtoolsClient::ODbtoolsClient()
59 : {
60 0 : m_bCreateAlready = false;
61 0 : }
62 :
63 :
64 0 : bool ODbtoolsClient::ensureLoaded() const
65 : {
66 0 : if ( !m_bCreateAlready )
67 : {
68 0 : m_bCreateAlready = true;
69 :
70 0 : registerClient();
71 0 : if ( s_pFactoryCreationFunc )
72 : { // loading the lib succeeded
73 0 : void* pUntypedFactory = (*s_pFactoryCreationFunc)();
74 0 : IDataAccessToolsFactory* pDBTFactory = static_cast< IDataAccessToolsFactory* >( pUntypedFactory );
75 : OSL_ENSURE( pDBTFactory, "ODbtoolsClient::ODbtoolsClient: no factory returned!" );
76 0 : if ( pDBTFactory )
77 : {
78 0 : m_xDataAccessFactory = pDBTFactory;
79 : // by definition, the factory was aquired once
80 0 : m_xDataAccessFactory->release();
81 : }
82 : }
83 : }
84 0 : return m_xDataAccessFactory.is();
85 : }
86 :
87 :
88 0 : ODbtoolsClient::~ODbtoolsClient()
89 : {
90 : // clear the factory _before_ revoking the client
91 : // (the revocation may unload the DBT lib)
92 0 : m_xDataAccessFactory = NULL;
93 : // revoke the client
94 0 : if ( m_bCreateAlready )
95 0 : revokeClient();
96 0 : }
97 :
98 :
99 :
100 : #ifndef DISABLE_DYNLOADING
101 :
102 0 : extern "C" { static void SAL_CALL thisModule() {} }
103 :
104 : #else
105 :
106 : extern "C" void * createDataAccessToolsFactory();
107 :
108 : #endif
109 :
110 0 : void ODbtoolsClient::registerClient()
111 : {
112 0 : ::osl::MutexGuard aGuard(theODbtoolsClientMutex::get());
113 0 : if (1 == ++s_nClients)
114 : {
115 : OSL_ENSURE(NULL == s_hDbtoolsModule, "ODbtoolsClient::registerClient: inconsistence: already have a module!");
116 : OSL_ENSURE(NULL == s_pFactoryCreationFunc, "ODbtoolsClient::registerClient: inconsistence: already have a factory function!");
117 :
118 : #ifndef DISABLE_DYNLOADING
119 : const OUString sModuleName( SVLIBRARY( "dbtools" )
120 0 : );
121 :
122 : // load the dbtools library
123 : s_hDbtoolsModule = osl_loadModuleRelative(
124 0 : &thisModule, sModuleName.pData, 0);
125 : OSL_ENSURE(NULL != s_hDbtoolsModule, "ODbtoolsClient::registerClient: could not load the dbtools library!");
126 0 : if (NULL != s_hDbtoolsModule)
127 : {
128 : // get the symbol for the method creating the factory
129 0 : const OUString sFactoryCreationFunc( "createDataAccessToolsFactory" );
130 : // reinterpret_cast<createDataAccessToolsFactoryFunction>
131 : s_pFactoryCreationFunc = (createDataAccessToolsFactoryFunction)(
132 0 : osl_getFunctionSymbol(s_hDbtoolsModule, sFactoryCreationFunc.pData));
133 :
134 0 : if (NULL == s_pFactoryCreationFunc)
135 : { // did not find the symbol
136 : OSL_FAIL("ODbtoolsClient::registerClient: could not find the symbol for creating the factory!");
137 0 : osl_unloadModule(s_hDbtoolsModule);
138 0 : s_hDbtoolsModule = NULL;
139 0 : }
140 0 : }
141 : #else
142 : s_pFactoryCreationFunc = createDataAccessToolsFactory;
143 : #endif
144 0 : }
145 0 : }
146 :
147 :
148 0 : void ODbtoolsClient::revokeClient()
149 : {
150 0 : ::osl::MutexGuard aGuard(theODbtoolsClientMutex::get());
151 0 : if (0 == --s_nClients)
152 : {
153 : #ifndef DISABLE_DYNLOADING
154 0 : s_pFactoryCreationFunc = NULL;
155 0 : if (s_hDbtoolsModule)
156 0 : osl_unloadModule(s_hDbtoolsModule);
157 : #endif
158 0 : s_hDbtoolsModule = NULL;
159 : }
160 :
161 0 : OSL_ENSURE(s_nClients >= 0,"Illegall call of revokeClient()");
162 0 : }
163 :
164 :
165 : //= OStaticDataAccessTools
166 :
167 :
168 0 : OStaticDataAccessTools::OStaticDataAccessTools()
169 : {
170 0 : }
171 :
172 :
173 :
174 0 : bool OStaticDataAccessTools::ensureLoaded() const
175 : {
176 0 : if ( !ODbtoolsClient::ensureLoaded() )
177 0 : return false;
178 0 : m_xDataAccessTools = getFactory()->getDataAccessTools();
179 0 : return m_xDataAccessTools.is();
180 : }
181 :
182 :
183 0 : Reference< XNumberFormatsSupplier > OStaticDataAccessTools::getNumberFormats(const Reference< XConnection>& _rxConn, sal_Bool _bAllowDefault) const
184 : {
185 0 : Reference< XNumberFormatsSupplier > xReturn;
186 0 : if ( ensureLoaded() )
187 0 : xReturn = m_xDataAccessTools->getNumberFormats(_rxConn, _bAllowDefault);
188 0 : return xReturn;
189 : }
190 :
191 :
192 0 : sal_Int32 OStaticDataAccessTools::getDefaultNumberFormat( const Reference< XPropertySet >& _xColumn, const Reference< XNumberFormatTypes >& _xTypes, const Locale& _rLocale )
193 : {
194 0 : sal_Int32 nReturn = 0;
195 0 : if ( ensureLoaded() )
196 0 : nReturn = m_xDataAccessTools->getDefaultNumberFormat( _xColumn, _xTypes, _rLocale );
197 0 : return nReturn;
198 : }
199 :
200 :
201 0 : Reference< XConnection> OStaticDataAccessTools::getConnection_withFeedback(const OUString& _rDataSourceName,
202 : const OUString& _rUser, const OUString& _rPwd, const Reference<XComponentContext>& _rxContext) const
203 : SAL_THROW ( (SQLException) )
204 : {
205 0 : Reference< XConnection > xReturn;
206 0 : if ( ensureLoaded() )
207 0 : xReturn = m_xDataAccessTools->getConnection_withFeedback(_rDataSourceName, _rUser, _rPwd, _rxContext);
208 0 : return xReturn;
209 : }
210 :
211 :
212 0 : Reference< XConnection > OStaticDataAccessTools::connectRowset( const Reference< XRowSet >& _rxRowSet,
213 : const Reference< XComponentContext >& _rxContext, sal_Bool _bSetAsActiveConnection ) const
214 : SAL_THROW ( ( SQLException, WrappedTargetException, RuntimeException ) )
215 : {
216 0 : Reference< XConnection > xReturn;
217 0 : if ( ensureLoaded() )
218 0 : xReturn = m_xDataAccessTools->connectRowset( _rxRowSet, _rxContext, _bSetAsActiveConnection );
219 0 : return xReturn;
220 : }
221 :
222 :
223 0 : Reference< XConnection > OStaticDataAccessTools::getRowSetConnection(const Reference< XRowSet >& _rxRowSet) const SAL_THROW ( (RuntimeException) )
224 : {
225 0 : Reference< XConnection > xReturn;
226 0 : if ( ensureLoaded() )
227 0 : xReturn = m_xDataAccessTools->getRowSetConnection(_rxRowSet);
228 0 : return xReturn;
229 : }
230 :
231 :
232 0 : void OStaticDataAccessTools::TransferFormComponentProperties(const Reference< XPropertySet>& _rxOld,
233 : const Reference< XPropertySet>& _rxNew, const Locale& _rLocale) const
234 : {
235 0 : if ( ensureLoaded() )
236 0 : m_xDataAccessTools->TransferFormComponentProperties(_rxOld, _rxNew, _rLocale);
237 0 : }
238 :
239 :
240 0 : OUString OStaticDataAccessTools::quoteName(const OUString& _rQuote, const OUString& _rName) const
241 : {
242 0 : OUString sReturn;
243 0 : if ( ensureLoaded() )
244 0 : sReturn = m_xDataAccessTools->quoteName(_rQuote, _rName);
245 0 : return sReturn;
246 : }
247 :
248 :
249 0 : OUString OStaticDataAccessTools::composeTableNameForSelect( const Reference< XConnection >& _rxConnection, const Reference< XPropertySet>& _xTable ) const
250 : {
251 0 : OUString sReturn;
252 0 : if ( ensureLoaded() )
253 0 : sReturn = m_xDataAccessTools->composeTableNameForSelect( _rxConnection, _xTable );
254 0 : return sReturn;
255 : }
256 :
257 :
258 0 : Reference< XDataSource > OStaticDataAccessTools::getDataSource( const OUString& _rsRegisteredName, const Reference< XComponentContext>& _rxContext ) const
259 : {
260 0 : Reference< XDataSource > xReturn;
261 0 : if ( ensureLoaded() )
262 0 : xReturn = m_xDataAccessTools->getDataSource(_rsRegisteredName,_rxContext);
263 0 : return xReturn;
264 : }
265 :
266 :
267 0 : bool OStaticDataAccessTools::canInsert(const Reference< XPropertySet>& _rxCursorSet) const
268 : {
269 0 : bool bRet = false;
270 0 : if ( ensureLoaded() )
271 0 : bRet = m_xDataAccessTools->canInsert( _rxCursorSet );
272 0 : return bRet;
273 : }
274 :
275 :
276 0 : bool OStaticDataAccessTools::canUpdate(const Reference< XPropertySet>& _rxCursorSet) const
277 : {
278 0 : bool bRet = false;
279 0 : if ( ensureLoaded() )
280 0 : bRet = m_xDataAccessTools->canUpdate( _rxCursorSet );
281 0 : return bRet;
282 : }
283 :
284 :
285 0 : Reference< XNameAccess > OStaticDataAccessTools::getFieldsByCommandDescriptor( const Reference< XConnection >& _rxConnection,
286 : const sal_Int32 _nCommandType, const OUString& _rCommand,
287 : Reference< XComponent >& _rxKeepFieldsAlive, ::dbtools::SQLExceptionInfo* _pErrorInfo ) SAL_THROW( ( ) )
288 : {
289 0 : Reference< XNameAccess > aFields;
290 0 : if ( ensureLoaded() )
291 0 : aFields = m_xDataAccessTools->getFieldsByCommandDescriptor( _rxConnection, _nCommandType,
292 0 : _rCommand, _rxKeepFieldsAlive, _pErrorInfo );
293 :
294 0 : return aFields;
295 : }
296 :
297 :
298 0 : bool OStaticDataAccessTools::isEmbeddedInDatabase( const Reference< XInterface >& _rxComponent, Reference< XConnection >& _rxActualConnection )
299 : {
300 0 : bool bReturn = false;
301 0 : if ( ensureLoaded() )
302 0 : bReturn = m_xDataAccessTools->isEmbeddedInDatabase( _rxComponent, _rxActualConnection );
303 0 : return bReturn;
304 : }
305 :
306 :
307 0 : bool OStaticDataAccessTools::isEmbeddedInDatabase( const Reference< XInterface >& _rxComponent )
308 : {
309 0 : bool bReturn = false;
310 0 : if ( ensureLoaded() )
311 : {
312 0 : Reference< XConnection > xDummy;
313 0 : bReturn = m_xDataAccessTools->isEmbeddedInDatabase( _rxComponent, xDummy );
314 : }
315 0 : return bReturn;
316 : }
317 :
318 :
319 : //= DBToolsObjectFactory
320 :
321 :
322 0 : DBToolsObjectFactory::DBToolsObjectFactory()
323 : {
324 0 : }
325 :
326 :
327 0 : DBToolsObjectFactory::~DBToolsObjectFactory()
328 : {
329 0 : }
330 :
331 :
332 : SAL_WNODEPRECATED_DECLARATIONS_PUSH
333 0 : ::std::auto_ptr< ::dbtools::FormattedColumnValue > DBToolsObjectFactory::createFormattedColumnValue(
334 : const Reference<XComponentContext>& _rContext, const Reference< XRowSet >& _rxRowSet, const Reference< XPropertySet >& _rxColumn )
335 : {
336 0 : ::std::auto_ptr< ::dbtools::FormattedColumnValue > pValue;
337 0 : if ( ensureLoaded() )
338 0 : pValue = getFactory()->createFormattedColumnValue( _rContext, _rxRowSet, _rxColumn );
339 0 : return pValue;
340 : }
341 : SAL_WNODEPRECATED_DECLARATIONS_POP
342 :
343 :
344 : } // namespace svxform
345 :
346 :
347 :
348 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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