summaryrefslogtreecommitdiff
path: root/dbaccess/source/ext/adabas/Acomponentmodule.cxx
blob: 1c34c26526a689d188588b2802b0d74a059396a5 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
/*************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 * 
 * Copyright 2000, 2010 Oracle and/or its affiliates.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * This file is part of OpenOffice.org.
 *
 * OpenOffice.org is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 3
 * only, as published by the Free Software Foundation.
 *
 * OpenOffice.org is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License version 3 for more details
 * (a copy is included in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with OpenOffice.org.  If not, see
 * <http://www.openoffice.org/license.html>
 * for a copy of the LGPLv3 License.
 *
 ************************************************************************/


#ifndef _EXTENSIONS_COMPONENT_MODULE_HXX_
#include "Acomponentmodule.hxx"
#endif

#ifndef _TOOLS_RESMGR_HXX
#include <tools/resmgr.hxx>
#endif
#ifndef _SOLAR_HRC
#include <svl/solar.hrc>
#endif
#ifndef _COMPHELPER_SEQUENCE_HXX_
#include <comphelper/sequence.hxx>
#endif
#ifndef _TOOLS_DEBUG_HXX
#include <tools/debug.hxx>
#endif

#define ENTER_MOD_METHOD()	\
    ::osl::MutexGuard aGuard(s_aMutex);	\
    ensureImpl()
    
//.........................................................................
namespace COMPMOD_NAMESPACE
{
//.........................................................................

    using namespace ::com::sun::star::uno;
    using namespace ::com::sun::star::lang;
    using namespace ::com::sun::star::registry;
    using namespace ::comphelper;
    using namespace ::cppu;

    //=========================================================================
    //= OModuleImpl
    //=========================================================================
    /** implementation for <type>OModule</type>. not threadsafe, has to be guarded by it's owner
    */
    class OModuleImpl
    {
        ResMgr*		m_pRessources;
        sal_Bool	m_bInitialized;
        ByteString	m_sFilePrefix;

    public:
        /// ctor
        OModuleImpl();
        ~OModuleImpl();

        /// get the manager for the ressources of the module
        ResMgr*	getResManager();
        void	setResourceFilePrefix(const ::rtl::OString& _rPrefix) { m_sFilePrefix = _rPrefix; }
    };

    //-------------------------------------------------------------------------
    OModuleImpl::OModuleImpl()
        :m_pRessources(NULL)
        ,m_bInitialized(sal_False)
    {
    }

    //-------------------------------------------------------------------------
    OModuleImpl::~OModuleImpl()
    {
        if (m_pRessources)
            delete m_pRessources;
    }

    //-------------------------------------------------------------------------
    ResMgr*	OModuleImpl::getResManager()
    {
        // note that this method is not threadsafe, which counts for the whole class !
        if (!m_pRessources && !m_bInitialized)
        {
            DBG_ASSERT(m_sFilePrefix.Len(), "OModuleImpl::getResManager: no resource file prefix!");
            // create a manager with a fixed prefix
            ByteString aMgrName = m_sFilePrefix;

            m_pRessources = ResMgr::CreateResMgr(aMgrName.GetBuffer());
            DBG_ASSERT(m_pRessources, 
                    (ByteString("OModuleImpl::getResManager: could not create the resource manager (file name: ")
                +=	aMgrName
                +=	ByteString(")!")).GetBuffer());

            m_bInitialized = sal_True;
        }
        return m_pRessources;
    }

    //=========================================================================
    //= OModule
    //=========================================================================
    ::osl::Mutex	OModule::s_aMutex;
    sal_Int32		OModule::s_nClients = 0;
    OModuleImpl*	OModule::s_pImpl = NULL;
    ::rtl::OString	OModule::s_sResPrefix;
    //-------------------------------------------------------------------------
    ResMgr*	OModule::getResManager()
    {
        ENTER_MOD_METHOD();
        return s_pImpl->getResManager();
    }

    //-------------------------------------------------------------------------
    void OModule::setResourceFilePrefix(const ::rtl::OString& _rPrefix)
    {
        ::osl::MutexGuard aGuard(s_aMutex);
        s_sResPrefix = _rPrefix;
        if (s_pImpl)
            s_pImpl->setResourceFilePrefix(_rPrefix);
    }

    //-------------------------------------------------------------------------
    void OModule::registerClient()
    {
        ::osl::MutexGuard aGuard(s_aMutex);
        ++s_nClients;
    }

    //-------------------------------------------------------------------------
    void OModule::revokeClient()
    {
        ::osl::MutexGuard aGuard(s_aMutex);
        if (!--s_nClients && s_pImpl)
        {
            delete s_pImpl;
            s_pImpl = NULL;
        }
    }

    //-------------------------------------------------------------------------
    void OModule::ensureImpl()
    {
        if (s_pImpl)
            return;
        s_pImpl = new OModuleImpl();
        s_pImpl->setResourceFilePrefix(s_sResPrefix);
    }

    //--------------------------------------------------------------------------
    //- registration helper
    //--------------------------------------------------------------------------

    Sequence< ::rtl::OUString >*				OModule::s_pImplementationNames = NULL;
    Sequence< Sequence< ::rtl::OUString > >*	OModule::s_pSupportedServices = NULL;
    Sequence< sal_Int64 >*						OModule::s_pCreationFunctionPointers = NULL;
    Sequence< sal_Int64 >*						OModule::s_pFactoryFunctionPointers = NULL;

    //--------------------------------------------------------------------------
    void OModule::registerComponent(
        const ::rtl::OUString& _rImplementationName,
        const Sequence< ::rtl::OUString >& _rServiceNames,
        ComponentInstantiation _pCreateFunction,
        FactoryInstantiation _pFactoryFunction)
    {
        if (!s_pImplementationNames)
        {
            OSL_ENSURE(!s_pSupportedServices && !s_pCreationFunctionPointers && !s_pFactoryFunctionPointers,
                "OModule::registerComponent : inconsistent state (the pointers (1)) !");
            s_pImplementationNames = new Sequence< ::rtl::OUString >;
            s_pSupportedServices = new Sequence< Sequence< ::rtl::OUString > >;
            s_pCreationFunctionPointers = new Sequence< sal_Int64 >;
            s_pFactoryFunctionPointers = new Sequence< sal_Int64 >;
        }
        OSL_ENSURE(s_pImplementationNames && s_pSupportedServices && s_pCreationFunctionPointers && s_pFactoryFunctionPointers,
            "OModule::registerComponent : inconsistent state (the pointers (2)) !");

        OSL_ENSURE(	(s_pImplementationNames->getLength() == s_pSupportedServices->getLength())
                    &&	(s_pImplementationNames->getLength() == s_pCreationFunctionPointers->getLength())
                    &&	(s_pImplementationNames->getLength() == s_pFactoryFunctionPointers->getLength()),
            "OModule::registerComponent : inconsistent state !");

        sal_Int32 nOldLen = s_pImplementationNames->getLength();
        s_pImplementationNames->realloc(nOldLen + 1);
        s_pSupportedServices->realloc(nOldLen + 1);
        s_pCreationFunctionPointers->realloc(nOldLen + 1);
        s_pFactoryFunctionPointers->realloc(nOldLen + 1);

        s_pImplementationNames->getArray()[nOldLen] = _rImplementationName;
        s_pSupportedServices->getArray()[nOldLen] = _rServiceNames;
        s_pCreationFunctionPointers->getArray()[nOldLen] = reinterpret_cast<sal_Int64>(_pCreateFunction);
        s_pFactoryFunctionPointers->getArray()[nOldLen] = reinterpret_cast<sal_Int64>(_pFactoryFunction);
    }

    //--------------------------------------------------------------------------
    void OModule::revokeComponent(const ::rtl::OUString& _rImplementationName)
    {
        if (!s_pImplementationNames)
        {
            OSL_ASSERT("OModule::revokeComponent : have no class infos ! Are you sure called this method at the right time ?");
            return;
        }
        OSL_ENSURE(s_pImplementationNames && s_pSupportedServices && s_pCreationFunctionPointers && s_pFactoryFunctionPointers,
            "OModule::revokeComponent : inconsistent state (the pointers) !");
        OSL_ENSURE(	(s_pImplementationNames->getLength() == s_pSupportedServices->getLength())
                    &&	(s_pImplementationNames->getLength() == s_pCreationFunctionPointers->getLength())
                    &&	(s_pImplementationNames->getLength() == s_pFactoryFunctionPointers->getLength()),
            "OModule::revokeComponent : inconsistent state !");

        sal_Int32 nLen = s_pImplementationNames->getLength();
        const ::rtl::OUString* pImplNames = s_pImplementationNames->getConstArray();
        for (sal_Int32 i=0; i<nLen; ++i, ++pImplNames)
        {
            if (pImplNames->equals(_rImplementationName))
            {
                removeElementAt(*s_pImplementationNames, i);
                removeElementAt(*s_pSupportedServices, i);
                removeElementAt(*s_pCreationFunctionPointers, i);
                removeElementAt(*s_pFactoryFunctionPointers, i);
                break;
            }
        }

        if (s_pImplementationNames->getLength() == 0)
        {
            delete s_pImplementationNames; s_pImplementationNames = NULL;
            delete s_pSupportedServices; s_pSupportedServices = NULL;
            delete s_pCreationFunctionPointers; s_pCreationFunctionPointers = NULL;
            delete s_pFactoryFunctionPointers; s_pFactoryFunctionPointers = NULL;
        }
    }

    //--------------------------------------------------------------------------
    sal_Bool OModule::writeComponentInfos(
            const Reference< XMultiServiceFactory >& /*_rxServiceManager*/,
            const Reference< XRegistryKey >& _rxRootKey)
    {
        OSL_ENSURE(_rxRootKey.is(), "OModule::writeComponentInfos : invalid argument !");

        if (!s_pImplementationNames)
        {
            OSL_ASSERT("OModule::writeComponentInfos : have no class infos ! Are you sure called this method at the right time ?");
            return sal_True;
        }
        OSL_ENSURE(s_pImplementationNames && s_pSupportedServices && s_pCreationFunctionPointers && s_pFactoryFunctionPointers,
            "OModule::writeComponentInfos : inconsistent state (the pointers) !");
        OSL_ENSURE(	(s_pImplementationNames->getLength() == s_pSupportedServices->getLength())
                    &&	(s_pImplementationNames->getLength() == s_pCreationFunctionPointers->getLength())
                    &&	(s_pImplementationNames->getLength() == s_pFactoryFunctionPointers->getLength()),
            "OModule::writeComponentInfos : inconsistent state !");

        sal_Int32 nLen = s_pImplementationNames->getLength();
        const ::rtl::OUString* pImplName = s_pImplementationNames->getConstArray();
        const Sequence< ::rtl::OUString >* pServices = s_pSupportedServices->getConstArray();

        ::rtl::OUString sRootKey("/", 1, RTL_TEXTENCODING_ASCII_US);
        for (sal_Int32 i=0; i<nLen; ++i, ++pImplName, ++pServices)
        {
            ::rtl::OUString aMainKeyName(sRootKey);
            aMainKeyName += *pImplName;
            aMainKeyName += ::rtl::OUString::createFromAscii("/UNO/SERVICES");

            try
            {
                Reference< XRegistryKey >  xNewKey( _rxRootKey->createKey(aMainKeyName) );

                const ::rtl::OUString* pService = pServices->getConstArray();
                for (sal_Int32 j=0; j<pServices->getLength(); ++j, ++pService)
                    xNewKey->createKey(*pService);
            }
            catch(Exception&)
            {
                OSL_ASSERT("OModule::writeComponentInfos : something went wrong while creating the keys !");
                return sal_False;
            }
        }

        return sal_True;
    }

    //--------------------------------------------------------------------------
    Reference< XInterface > OModule::getComponentFactory(
        const ::rtl::OUString& _rImplementationName,
        const Reference< XMultiServiceFactory >& _rxServiceManager)
    {
        OSL_ENSURE(_rxServiceManager.is(), "OModule::getComponentFactory : invalid argument (service manager) !");
        OSL_ENSURE(_rImplementationName.getLength(), "OModule::getComponentFactory : invalid argument (implementation name) !");

        if (!s_pImplementationNames)
        {
            OSL_ASSERT("OModule::getComponentFactory : have no class infos ! Are you sure called this method at the right time ?");
            return NULL;
        }
        OSL_ENSURE(s_pImplementationNames && s_pSupportedServices && s_pCreationFunctionPointers && s_pFactoryFunctionPointers,
            "OModule::getComponentFactory : inconsistent state (the pointers) !");
        OSL_ENSURE(	(s_pImplementationNames->getLength() == s_pSupportedServices->getLength())
                    &&	(s_pImplementationNames->getLength() == s_pCreationFunctionPointers->getLength())
                    &&	(s_pImplementationNames->getLength() == s_pFactoryFunctionPointers->getLength()),
            "OModule::getComponentFactory : inconsistent state !");


        Reference< XInterface > xReturn;


        sal_Int32 nLen = s_pImplementationNames->getLength();
        const ::rtl::OUString* pImplName = s_pImplementationNames->getConstArray();
        const Sequence< ::rtl::OUString >* pServices = s_pSupportedServices->getConstArray();
        const sal_Int64* pComponentFunction = s_pCreationFunctionPointers->getConstArray();
        const sal_Int64* pFactoryFunction = s_pFactoryFunctionPointers->getConstArray();

        for (sal_Int32 i=0; i<nLen; ++i, ++pImplName, ++pServices, ++pComponentFunction, ++pFactoryFunction)
        {
            if (pImplName->equals(_rImplementationName))
            {
                const FactoryInstantiation FactoryInstantiationFunction = reinterpret_cast<const FactoryInstantiation>(*pFactoryFunction);
                const ComponentInstantiation ComponentInstantiationFunction = reinterpret_cast<const ComponentInstantiation>(*pComponentFunction);

                xReturn = FactoryInstantiationFunction( _rxServiceManager, *pImplName, ComponentInstantiationFunction, *pServices, NULL);
                if (xReturn.is())
                {
                    xReturn->acquire();
                    return xReturn.get();
                }
            }
        }

        return NULL;
    }


//.........................................................................
}	// namespace COMPMOD_NAMESPACE
//.........................................................................