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 <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 6072 : ODbtoolsClient::ODbtoolsClient()
59 : {
60 6072 : m_bCreateAlready = false;
61 6072 : }
62 :
63 :
64 474 : bool ODbtoolsClient::ensureLoaded() const
65 : {
66 474 : if ( !m_bCreateAlready )
67 : {
68 474 : m_bCreateAlready = true;
69 :
70 474 : registerClient();
71 474 : if ( s_pFactoryCreationFunc )
72 : { // loading the lib succeeded
73 474 : void* pUntypedFactory = (*s_pFactoryCreationFunc)();
74 474 : IDataAccessToolsFactory* pDBTFactory = static_cast< IDataAccessToolsFactory* >( pUntypedFactory );
75 : OSL_ENSURE( pDBTFactory, "ODbtoolsClient::ODbtoolsClient: no factory returned!" );
76 474 : if ( pDBTFactory )
77 : {
78 474 : m_xDataAccessFactory = pDBTFactory;
79 : // by definition, the factory was acquired once
80 474 : m_xDataAccessFactory->release();
81 : }
82 : }
83 : }
84 474 : return m_xDataAccessFactory.is();
85 : }
86 :
87 :
88 12140 : ODbtoolsClient::~ODbtoolsClient()
89 : {
90 : // clear the factory _before_ revoking the client
91 : // (the revocation may unload the DBT lib)
92 6070 : m_xDataAccessFactory = NULL;
93 : // revoke the client
94 6070 : if ( m_bCreateAlready )
95 474 : revokeClient();
96 6070 : }
97 :
98 : #if HAVE_FEATURE_DESKTOP
99 : #ifndef DISABLE_DYNLOADING
100 0 : extern "C" { static void SAL_CALL thisModule() {} }
101 : #else
102 : extern "C" void * createDataAccessToolsFactory();
103 : #endif
104 : #endif
105 :
106 474 : void ODbtoolsClient::registerClient()
107 : {
108 474 : ::osl::MutexGuard aGuard(theODbtoolsClientMutex::get());
109 474 : if (1 == ++s_nClients)
110 : {
111 : OSL_ENSURE(NULL == s_hDbtoolsModule, "ODbtoolsClient::registerClient: inconsistence: already have a module!");
112 : OSL_ENSURE(NULL == s_pFactoryCreationFunc, "ODbtoolsClient::registerClient: inconsistence: already have a factory function!");
113 :
114 : #if HAVE_FEATURE_DESKTOP
115 : #ifndef DISABLE_DYNLOADING
116 474 : const static OUString sModuleName( DBTOOLS_DLL_NAME );
117 :
118 : // load the dbtools library
119 : s_hDbtoolsModule = osl_loadModuleRelative(
120 474 : &thisModule, sModuleName.pData, 0);
121 : OSL_ENSURE(NULL != s_hDbtoolsModule, "ODbtoolsClient::registerClient: could not load the dbtools library!");
122 474 : if (NULL != s_hDbtoolsModule)
123 : {
124 : // get the symbol for the method creating the factory
125 474 : const OUString sFactoryCreationFunc( "createDataAccessToolsFactory" );
126 : // reinterpret_cast<createDataAccessToolsFactoryFunction>
127 : s_pFactoryCreationFunc = (createDataAccessToolsFactoryFunction)(
128 474 : osl_getFunctionSymbol(s_hDbtoolsModule, sFactoryCreationFunc.pData));
129 :
130 474 : if (NULL == s_pFactoryCreationFunc)
131 : { // did not find the symbol
132 : OSL_FAIL("ODbtoolsClient::registerClient: could not find the symbol for creating the factory!");
133 0 : osl_unloadModule(s_hDbtoolsModule);
134 0 : s_hDbtoolsModule = NULL;
135 474 : }
136 : }
137 : #else
138 : s_pFactoryCreationFunc = createDataAccessToolsFactory;
139 : #endif
140 : #endif
141 474 : }
142 474 : }
143 :
144 :
145 474 : void ODbtoolsClient::revokeClient()
146 : {
147 474 : ::osl::MutexGuard aGuard(theODbtoolsClientMutex::get());
148 474 : if (0 == --s_nClients)
149 : {
150 : #ifndef DISABLE_DYNLOADING
151 474 : s_pFactoryCreationFunc = NULL;
152 474 : if (s_hDbtoolsModule)
153 474 : osl_unloadModule(s_hDbtoolsModule);
154 : #endif
155 474 : s_hDbtoolsModule = NULL;
156 : }
157 :
158 474 : OSL_ENSURE(s_nClients >= 0,"Illegall call of revokeClient()");
159 474 : }
160 :
161 5922 : OStaticDataAccessTools::OStaticDataAccessTools()
162 : {
163 5922 : }
164 :
165 :
166 :
167 472 : bool OStaticDataAccessTools::ensureLoaded() const
168 : {
169 472 : if ( !ODbtoolsClient::ensureLoaded() )
170 0 : return false;
171 472 : m_xDataAccessTools = getFactory()->getDataAccessTools();
172 472 : return m_xDataAccessTools.is();
173 : }
174 :
175 :
176 0 : Reference< XNumberFormatsSupplier > OStaticDataAccessTools::getNumberFormats(const Reference< XConnection>& _rxConn, bool _bAllowDefault) const
177 : {
178 0 : Reference< XNumberFormatsSupplier > xReturn;
179 0 : if ( ensureLoaded() )
180 0 : xReturn = m_xDataAccessTools->getNumberFormats(_rxConn, _bAllowDefault);
181 0 : return xReturn;
182 : }
183 :
184 :
185 0 : sal_Int32 OStaticDataAccessTools::getDefaultNumberFormat( const Reference< XPropertySet >& _xColumn, const Reference< XNumberFormatTypes >& _xTypes, const Locale& _rLocale )
186 : {
187 0 : sal_Int32 nReturn = 0;
188 0 : if ( ensureLoaded() )
189 0 : nReturn = m_xDataAccessTools->getDefaultNumberFormat( _xColumn, _xTypes, _rLocale );
190 0 : return nReturn;
191 : }
192 :
193 :
194 0 : Reference< XConnection> OStaticDataAccessTools::getConnection_withFeedback(const OUString& _rDataSourceName,
195 : const OUString& _rUser, const OUString& _rPwd, const Reference<XComponentContext>& _rxContext) const
196 : {
197 0 : Reference< XConnection > xReturn;
198 0 : if ( ensureLoaded() )
199 0 : xReturn = m_xDataAccessTools->getConnection_withFeedback(_rDataSourceName, _rUser, _rPwd, _rxContext);
200 0 : return xReturn;
201 : }
202 :
203 :
204 0 : Reference< XConnection > OStaticDataAccessTools::connectRowset( const Reference< XRowSet >& _rxRowSet,
205 : const Reference< XComponentContext >& _rxContext, bool _bSetAsActiveConnection ) const
206 : {
207 0 : Reference< XConnection > xReturn;
208 0 : if ( ensureLoaded() )
209 0 : xReturn = m_xDataAccessTools->connectRowset( _rxRowSet, _rxContext, _bSetAsActiveConnection );
210 0 : return xReturn;
211 : }
212 :
213 :
214 104 : Reference< XConnection > OStaticDataAccessTools::getRowSetConnection(const Reference< XRowSet >& _rxRowSet) const
215 : {
216 104 : Reference< XConnection > xReturn;
217 104 : if ( ensureLoaded() )
218 104 : xReturn = m_xDataAccessTools->getRowSetConnection(_rxRowSet);
219 104 : return xReturn;
220 : }
221 :
222 0 : void OStaticDataAccessTools::TransferFormComponentProperties(const Reference< XPropertySet>& _rxOld,
223 : const Reference< XPropertySet>& _rxNew, const Locale& _rLocale) const
224 : {
225 0 : if ( ensureLoaded() )
226 0 : m_xDataAccessTools->TransferFormComponentProperties(_rxOld, _rxNew, _rLocale);
227 0 : }
228 :
229 52 : Reference< XDataSource > OStaticDataAccessTools::getDataSource( const OUString& _rsRegisteredName, const Reference< XComponentContext>& _rxContext ) const
230 : {
231 52 : Reference< XDataSource > xReturn;
232 52 : if ( ensureLoaded() )
233 52 : xReturn = m_xDataAccessTools->getDataSource(_rsRegisteredName,_rxContext);
234 52 : return xReturn;
235 : }
236 :
237 0 : bool OStaticDataAccessTools::canInsert(const Reference< XPropertySet>& _rxCursorSet) const
238 : {
239 0 : bool bRet = false;
240 0 : if ( ensureLoaded() )
241 0 : bRet = m_xDataAccessTools->canInsert( _rxCursorSet );
242 0 : return bRet;
243 : }
244 :
245 0 : bool OStaticDataAccessTools::canUpdate(const Reference< XPropertySet>& _rxCursorSet) const
246 : {
247 0 : bool bRet = false;
248 0 : if ( ensureLoaded() )
249 0 : bRet = m_xDataAccessTools->canUpdate( _rxCursorSet );
250 0 : return bRet;
251 : }
252 :
253 :
254 0 : Reference< XNameAccess > OStaticDataAccessTools::getFieldsByCommandDescriptor( const Reference< XConnection >& _rxConnection,
255 : const sal_Int32 _nCommandType, const OUString& _rCommand,
256 : Reference< XComponent >& _rxKeepFieldsAlive, ::dbtools::SQLExceptionInfo* _pErrorInfo )
257 : {
258 0 : Reference< XNameAccess > aFields;
259 0 : if ( ensureLoaded() )
260 0 : aFields = m_xDataAccessTools->getFieldsByCommandDescriptor( _rxConnection, _nCommandType,
261 0 : _rCommand, _rxKeepFieldsAlive, _pErrorInfo );
262 :
263 0 : return aFields;
264 : }
265 :
266 :
267 14 : bool OStaticDataAccessTools::isEmbeddedInDatabase( const Reference< XInterface >& _rxComponent, Reference< XConnection >& _rxActualConnection )
268 : {
269 14 : bool bReturn = false;
270 14 : if ( ensureLoaded() )
271 14 : bReturn = m_xDataAccessTools->isEmbeddedInDatabase( _rxComponent, _rxActualConnection );
272 14 : return bReturn;
273 : }
274 :
275 :
276 302 : bool OStaticDataAccessTools::isEmbeddedInDatabase( const Reference< XInterface >& _rxComponent )
277 : {
278 302 : bool bReturn = false;
279 302 : if ( ensureLoaded() )
280 : {
281 302 : Reference< XConnection > xDummy;
282 302 : bReturn = m_xDataAccessTools->isEmbeddedInDatabase( _rxComponent, xDummy );
283 : }
284 302 : return bReturn;
285 : }
286 :
287 0 : DBToolsObjectFactory::DBToolsObjectFactory()
288 : {
289 0 : }
290 :
291 :
292 0 : DBToolsObjectFactory::~DBToolsObjectFactory()
293 : {
294 0 : }
295 :
296 :
297 0 : ::std::unique_ptr< ::dbtools::FormattedColumnValue > DBToolsObjectFactory::createFormattedColumnValue(
298 : const Reference<XComponentContext>& _rContext, const Reference< XRowSet >& _rxRowSet, const Reference< XPropertySet >& _rxColumn )
299 : {
300 0 : ::std::unique_ptr< ::dbtools::FormattedColumnValue > pValue;
301 0 : if ( ensureLoaded() )
302 0 : pValue = getFactory()->createFormattedColumnValue( _rContext, _rxRowSet, _rxColumn );
303 0 : return pValue;
304 : }
305 :
306 :
307 : } // namespace svxform
308 :
309 :
310 :
311 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
