xref: /trunk/main/embeddedobj/source/general/xcreator.cxx (revision cdf0e10c4e3984b49a9502b011690b615761d4a3)
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27 
28 // MARKER(update_precomp.py): autogen include statement, do not remove
29 #include "precompiled_embeddedobj.hxx"
30 #include <com/sun/star/embed/ElementModes.hpp>
31 #include <com/sun/star/embed/EntryInitModes.hpp>
32 #include <com/sun/star/embed/XEmbedObjectFactory.hpp>
33 #include <com/sun/star/embed/XLinkFactory.hpp>
34 #include <com/sun/star/document/XTypeDetection.hpp>
35 #include <com/sun/star/beans/PropertyValue.hpp>
36 #include <com/sun/star/beans/XPropertySet.hpp>
37 #include <com/sun/star/container/XNameAccess.hpp>
38 #include <com/sun/star/lang/XComponent.hpp>
39 
40 #include <rtl/logfile.hxx>
41 
42 
43 #include <xcreator.hxx>
44 #include <dummyobject.hxx>
45 
46 
47 using namespace ::com::sun::star;
48 
49 
50 //-------------------------------------------------------------------------
51 uno::Sequence< ::rtl::OUString > SAL_CALL UNOEmbeddedObjectCreator::impl_staticGetSupportedServiceNames()
52 {
53     uno::Sequence< ::rtl::OUString > aRet(2);
54     aRet[0] = ::rtl::OUString::createFromAscii("com.sun.star.embed.EmbeddedObjectCreator");
55     aRet[1] = ::rtl::OUString::createFromAscii("com.sun.star.comp.embed.EmbeddedObjectCreator");
56     return aRet;
57 }
58 
59 //-------------------------------------------------------------------------
60 ::rtl::OUString SAL_CALL UNOEmbeddedObjectCreator::impl_staticGetImplementationName()
61 {
62     return ::rtl::OUString::createFromAscii("com.sun.star.comp.embed.EmbeddedObjectCreator");
63 }
64 
65 //-------------------------------------------------------------------------
66 uno::Reference< uno::XInterface > SAL_CALL UNOEmbeddedObjectCreator::impl_staticCreateSelfInstance(
67             const uno::Reference< lang::XMultiServiceFactory >& xServiceManager )
68 {
69     return uno::Reference< uno::XInterface >( *new UNOEmbeddedObjectCreator( xServiceManager ) );
70 }
71 
72 //-------------------------------------------------------------------------
73 uno::Reference< uno::XInterface > SAL_CALL UNOEmbeddedObjectCreator::createInstanceInitNew(
74                                             const uno::Sequence< sal_Int8 >& aClassID,
75                                             const ::rtl::OUString& aClassName,
76                                             const uno::Reference< embed::XStorage >& xStorage,
77                                             const ::rtl::OUString& sEntName,
78                                             const uno::Sequence< beans::PropertyValue >& lObjArgs )
79     throw ( lang::IllegalArgumentException,
80             io::IOException,
81             uno::Exception,
82             uno::RuntimeException)
83 {
84     RTL_LOGFILE_CONTEXT( aLog, "embeddedobj (mv76033) UNOEmbeddedObjectCreator::createInstanceInitNew" );
85 
86     uno::Reference< uno::XInterface > xResult;
87 
88     if ( !xStorage.is() )
89         throw lang::IllegalArgumentException( ::rtl::OUString::createFromAscii( "No parent storage is provided!\n" ),
90                                             uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ),
91                                             3 );
92 
93     if ( !sEntName.getLength() )
94         throw lang::IllegalArgumentException( ::rtl::OUString::createFromAscii( "Empty element name is provided!\n" ),
95                                             uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ),
96                                             4 );
97 
98     ::rtl::OUString aEmbedFactory = m_aConfigHelper.GetFactoryNameByClassID( aClassID );
99     if ( !aEmbedFactory.getLength() )
100     {
101         // use system fallback
102         // TODO: in future users factories can be tested
103         aEmbedFactory = ::rtl::OUString::createFromAscii( "com.sun.star.embed.OLEEmbeddedObjectFactory" );
104     }
105 
106     uno::Reference < uno::XInterface > xFact( m_xFactory->createInstance( aEmbedFactory ) );
107     uno::Reference< embed::XEmbedObjectCreator > xEmbCreator( xFact, uno::UNO_QUERY );
108     if ( xEmbCreator.is() )
109         return xEmbCreator->createInstanceInitNew( aClassID, aClassName, xStorage, sEntName, lObjArgs );
110 
111     uno::Reference < embed::XEmbedObjectFactory > xEmbFact( xFact, uno::UNO_QUERY );
112     if ( !xEmbFact.is() )
113         throw uno::RuntimeException();
114     return xEmbFact->createInstanceUserInit( aClassID, aClassName, xStorage, sEntName, embed::EntryInitModes::TRUNCATE_INIT, uno::Sequence < beans::PropertyValue >(), lObjArgs);
115 }
116 
117 //-------------------------------------------------------------------------
118 uno::Reference< uno::XInterface > SAL_CALL UNOEmbeddedObjectCreator::createInstanceInitFromEntry(
119                                                                     const uno::Reference< embed::XStorage >& xStorage,
120                                                                     const ::rtl::OUString& sEntName,
121                                                                     const uno::Sequence< beans::PropertyValue >& aMedDescr,
122                                                                     const uno::Sequence< beans::PropertyValue >& lObjArgs )
123     throw ( lang::IllegalArgumentException,
124             container::NoSuchElementException,
125             io::IOException,
126             uno::Exception,
127             uno::RuntimeException)
128 {
129     RTL_LOGFILE_CONTEXT( aLog, "embeddedobj (mv76033) UNOEmbeddedObjectCreator::createInstanceInitFromEntry" );
130 
131     if ( !xStorage.is() )
132         throw lang::IllegalArgumentException( ::rtl::OUString::createFromAscii( "No parent storage is provided!\n" ),
133                                             uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ),
134                                             1 );
135 
136     if ( !sEntName.getLength() )
137         throw lang::IllegalArgumentException( ::rtl::OUString::createFromAscii( "Empty element name is provided!\n" ),
138                                             uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ),
139                                             2 );
140 
141     uno::Reference< container::XNameAccess > xNameAccess( xStorage, uno::UNO_QUERY );
142     if ( !xNameAccess.is() )
143         throw uno::RuntimeException(); //TODO
144 
145     // detect entry existence
146     if ( !xNameAccess->hasByName( sEntName ) )
147         throw container::NoSuchElementException();
148 
149     ::rtl::OUString aMediaType;
150     ::rtl::OUString aEmbedFactory;
151     if ( xStorage->isStorageElement( sEntName ) )
152     {
153         // the object must be based on storage
154         uno::Reference< embed::XStorage > xSubStorage =
155                 xStorage->openStorageElement( sEntName, embed::ElementModes::READ );
156 
157         uno::Reference< beans::XPropertySet > xPropSet( xSubStorage, uno::UNO_QUERY );
158         if ( !xPropSet.is() )
159             throw uno::RuntimeException();
160 
161         try {
162             uno::Any aAny = xPropSet->getPropertyValue( ::rtl::OUString::createFromAscii( "MediaType" ) );
163             aAny >>= aMediaType;
164         }
165         catch ( uno::Exception& )
166         {
167         }
168 
169         try {
170             uno::Reference< lang::XComponent > xComp( xSubStorage, uno::UNO_QUERY );
171             if ( xComp.is() )
172                 xComp->dispose();
173         }
174         catch ( uno::Exception& )
175         {
176         }
177     }
178     else
179     {
180         // the object must be based on stream
181         // it means for now that this is an OLE object
182 
183         // the object will be created as embedded object
184         // after it is loaded it can detect that it is a link
185 
186         uno::Reference< io::XStream > xSubStream =
187                 xStorage->openStreamElement( sEntName, embed::ElementModes::READ );
188 
189         uno::Reference< beans::XPropertySet > xPropSet( xSubStream, uno::UNO_QUERY );
190         if ( !xPropSet.is() )
191             throw uno::RuntimeException();
192 
193         try {
194             uno::Any aAny = xPropSet->getPropertyValue( ::rtl::OUString::createFromAscii( "MediaType" ) );
195             aAny >>= aMediaType;
196             if ( aMediaType.equals( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "application/vnd.sun.star.oleobject" ) ) ) )
197                 aEmbedFactory = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.embed.OLEEmbeddedObjectFactory" ) );
198         }
199         catch ( uno::Exception& )
200         {
201         }
202 
203         try {
204             uno::Reference< lang::XComponent > xComp( xSubStream, uno::UNO_QUERY );
205             if ( xComp.is() )
206                 xComp->dispose();
207         }
208         catch ( uno::Exception& )
209         {
210         }
211     }
212 
213     OSL_ENSURE( aMediaType.getLength(), "No media type is specified for the object!" );
214     if ( aMediaType.getLength() && !aEmbedFactory.getLength() )
215         aEmbedFactory = m_aConfigHelper.GetFactoryNameByMediaType( aMediaType );
216 
217     if ( aEmbedFactory.getLength() )
218     {
219         uno::Reference< uno::XInterface > xFact = m_xFactory->createInstance( aEmbedFactory );
220 
221         uno::Reference< embed::XEmbedObjectCreator > xEmbCreator( xFact, uno::UNO_QUERY );
222         if ( xEmbCreator.is() )
223             return xEmbCreator->createInstanceInitFromEntry( xStorage, sEntName, aMedDescr, lObjArgs );
224 
225         uno::Reference < embed::XEmbedObjectFactory > xEmbFact( xFact, uno::UNO_QUERY );
226         if ( xEmbFact.is() )
227             return xEmbFact->createInstanceUserInit( uno::Sequence< sal_Int8 >(), ::rtl::OUString(), xStorage, sEntName, embed::EntryInitModes::DEFAULT_INIT, aMedDescr, lObjArgs);
228     }
229 
230     // the default object should be created, it will allow to store the contents on the next saving
231     uno::Reference< uno::XInterface > xResult( static_cast< cppu::OWeakObject* >( new ODummyEmbeddedObject() ) );
232     uno::Reference< embed::XEmbedPersist > xPersist( xResult, uno::UNO_QUERY_THROW );
233     xPersist->setPersistentEntry( xStorage, sEntName, embed::EntryInitModes::DEFAULT_INIT, aMedDescr, lObjArgs );
234     return xResult;
235 }
236 
237 //-------------------------------------------------------------------------
238 uno::Reference< uno::XInterface > SAL_CALL UNOEmbeddedObjectCreator::createInstanceInitFromMediaDescriptor(
239         const uno::Reference< embed::XStorage >& xStorage,
240         const ::rtl::OUString& sEntName,
241         const uno::Sequence< beans::PropertyValue >& aMediaDescr,
242         const uno::Sequence< beans::PropertyValue >& lObjArgs )
243     throw ( lang::IllegalArgumentException,
244             io::IOException,
245             uno::Exception,
246             uno::RuntimeException)
247 {
248     RTL_LOGFILE_CONTEXT( aLog, "embeddedobj (mv76033) UNOEmbeddedObjectCreator::createInstanceInitFromMediaDescriptor" );
249 
250     // TODO: use lObjArgs
251 
252     if ( !xStorage.is() )
253         throw lang::IllegalArgumentException( ::rtl::OUString::createFromAscii( "No parent storage is provided!\n" ),
254                                             uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ),
255                                             1 );
256 
257     if ( !sEntName.getLength() )
258         throw lang::IllegalArgumentException( ::rtl::OUString::createFromAscii( "Empty element name is provided!\n" ),
259                                             uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ),
260                                             2 );
261 
262     uno::Reference< uno::XInterface > xResult;
263     uno::Sequence< beans::PropertyValue > aTempMedDescr( aMediaDescr );
264 
265     // check if there is FilterName
266     ::rtl::OUString aFilterName = m_aConfigHelper.UpdateMediaDescriptorWithFilterName( aTempMedDescr, sal_False );
267 
268     if ( aFilterName.getLength() )
269     {
270         // the object can be loaded by one of the office application
271         uno::Reference< embed::XEmbedObjectCreator > xOOoEmbCreator(
272                             m_xFactory->createInstance(
273                                     ::rtl::OUString::createFromAscii( "com.sun.star.embed.OOoEmbeddedObjectFactory" ) ),
274                             uno::UNO_QUERY );
275         if ( !xOOoEmbCreator.is() )
276             throw uno::RuntimeException(); // TODO:
277 
278         xResult = xOOoEmbCreator->createInstanceInitFromMediaDescriptor( xStorage,
279                                                                         sEntName,
280                                                                         aTempMedDescr,
281                                                                         lObjArgs );
282     }
283     else
284     {
285         // must be an OLE object
286 
287         // TODO: in future, when more object types are possible this place seems
288         // to be a weak one, probably configuration must provide a type detection service
289         // for every factory, so any file could go through services until it is recognized
290         // or there is no more services
291         // Or for example the typename can be used to detect object type if typedetection
292         // was also extended.
293 
294         uno::Reference< embed::XEmbedObjectCreator > xOleEmbCreator(
295                             m_xFactory->createInstance(
296                                     ::rtl::OUString::createFromAscii( "com.sun.star.embed.OLEEmbeddedObjectFactory" ) ),
297                             uno::UNO_QUERY );
298         if ( !xOleEmbCreator.is() )
299             throw uno::RuntimeException(); // TODO:
300 
301         xResult = xOleEmbCreator->createInstanceInitFromMediaDescriptor( xStorage, sEntName, aTempMedDescr, lObjArgs );
302     }
303 
304     return xResult;
305 }
306 
307 //-------------------------------------------------------------------------
308 uno::Reference< uno::XInterface > SAL_CALL UNOEmbeddedObjectCreator::createInstanceUserInit(
309         const uno::Sequence< sal_Int8 >& aClassID,
310         const ::rtl::OUString& sClassName,
311         const uno::Reference< embed::XStorage >& xStorage,
312         const ::rtl::OUString& sEntName,
313         sal_Int32 nEntryConnectionMode,
314         const uno::Sequence< beans::PropertyValue >& aArgs,
315         const uno::Sequence< beans::PropertyValue >& aObjectArgs )
316     throw ( lang::IllegalArgumentException,
317             io::IOException,
318             uno::Exception,
319             uno::RuntimeException)
320 {
321     RTL_LOGFILE_CONTEXT( aLog, "embeddedobj (mv76033) UNOEmbeddedObjectCreator::createInstanceUserInit" );
322 
323     uno::Reference< uno::XInterface > xResult;
324 
325     if ( !xStorage.is() )
326         throw lang::IllegalArgumentException( ::rtl::OUString::createFromAscii( "No parent storage is provided!\n" ),
327                                             uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ),
328                                             3 );
329 
330     if ( !sEntName.getLength() )
331         throw lang::IllegalArgumentException( ::rtl::OUString::createFromAscii( "Empty element name is provided!\n" ),
332                                             uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ),
333                                             4 );
334 
335     ::rtl::OUString aEmbedFactory = m_aConfigHelper.GetFactoryNameByClassID( aClassID );
336     uno::Reference< embed::XEmbedObjectFactory > xEmbFactory(
337                         m_xFactory->createInstance( aEmbedFactory ),
338                         uno::UNO_QUERY );
339     if ( !xEmbFactory.is() )
340         throw uno::RuntimeException(); // TODO:
341 
342     return xEmbFactory->createInstanceUserInit( aClassID,
343                                                 sClassName,
344                                                 xStorage,
345                                                 sEntName,
346                                                 nEntryConnectionMode,
347                                                 aArgs,
348                                                 aObjectArgs );
349 }
350 
351 //-------------------------------------------------------------------------
352 uno::Reference< uno::XInterface > SAL_CALL UNOEmbeddedObjectCreator::createInstanceLink(
353                                             const uno::Reference< embed::XStorage >& xStorage,
354                                             const ::rtl::OUString& sEntName,
355                                             const uno::Sequence< beans::PropertyValue >& aMediaDescr,
356                                             const uno::Sequence< beans::PropertyValue >& lObjArgs )
357         throw ( lang::IllegalArgumentException,
358                 io::IOException,
359                 uno::Exception,
360                 uno::RuntimeException )
361 {
362     RTL_LOGFILE_CONTEXT( aLog, "embeddedobj (mv76033) UNOEmbeddedObjectCreator::createInstanceLink" );
363 
364     uno::Reference< uno::XInterface > xResult;
365 
366     uno::Sequence< beans::PropertyValue > aTempMedDescr( aMediaDescr );
367 
368     // check if there is URL, URL must exist
369     ::rtl::OUString aURL;
370     for ( sal_Int32 nInd = 0; nInd < aTempMedDescr.getLength(); nInd++ )
371         if ( aTempMedDescr[nInd].Name.equalsAscii( "URL" ) )
372             aTempMedDescr[nInd].Value >>= aURL;
373 
374     if ( !aURL.getLength() )
375         throw lang::IllegalArgumentException( ::rtl::OUString::createFromAscii( "No URL for the link is provided!\n" ),
376                                         uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ),
377                                         3 );
378 
379     ::rtl::OUString aFilterName = m_aConfigHelper.UpdateMediaDescriptorWithFilterName( aTempMedDescr, sal_False );
380 
381     if ( aFilterName.getLength() )
382     {
383         // the object can be loaded by one of the office application
384         uno::Reference< embed::XLinkCreator > xOOoLinkCreator(
385                             m_xFactory->createInstance(
386                                     ::rtl::OUString::createFromAscii( "com.sun.star.embed.OOoEmbeddedObjectFactory" ) ),
387                             uno::UNO_QUERY );
388         if ( !xOOoLinkCreator.is() )
389             throw uno::RuntimeException(); // TODO:
390 
391         xResult = xOOoLinkCreator->createInstanceLink( xStorage,
392                                                         sEntName,
393                                                         aTempMedDescr,
394                                                         lObjArgs );
395     }
396     else
397     {
398         // must be an OLE link
399 
400         // TODO: in future, when more object types are possible this place seems
401         // to be a weak one, probably configuration must provide a type detection service
402         // for every factory, so any file could go through services until it is recognized
403         // or there is no more services
404         // Or for example the typename can be used to detect object type if typedetection
405         // was also extended.
406 
407         if ( !xStorage.is() )
408             throw lang::IllegalArgumentException( ::rtl::OUString::createFromAscii( "No parent storage is provided!\n" ),
409                                                 uno::Reference< uno::XInterface >(
410                                                     static_cast< ::cppu::OWeakObject* >(this) ),
411                                                 3 );
412 
413         if ( !sEntName.getLength() )
414             throw lang::IllegalArgumentException( ::rtl::OUString::createFromAscii( "Empty element name is provided!\n" ),
415                                                 uno::Reference< uno::XInterface >(
416                                                     static_cast< ::cppu::OWeakObject* >(this) ),
417                                                 4 );
418 
419         uno::Reference< embed::XLinkCreator > xLinkCreator(
420                             m_xFactory->createInstance(
421                                 ::rtl::OUString::createFromAscii( "com.sun.star.embed.OLEEmbeddedObjectFactory" ) ),
422                             uno::UNO_QUERY );
423         if ( !xLinkCreator.is() )
424             throw uno::RuntimeException(); // TODO:
425 
426         xResult = xLinkCreator->createInstanceLink( xStorage, sEntName, aTempMedDescr, lObjArgs );
427     }
428 
429     return xResult;
430 }
431 
432 //-------------------------------------------------------------------------
433 uno::Reference< uno::XInterface > SAL_CALL UNOEmbeddedObjectCreator::createInstanceLinkUserInit(
434                                                 const uno::Sequence< sal_Int8 >& aClassID,
435                                                 const ::rtl::OUString& aClassName,
436                                                 const uno::Reference< embed::XStorage >& xStorage,
437                                                 const ::rtl::OUString& sEntName,
438                                                 const uno::Sequence< beans::PropertyValue >& lArguments,
439                                                 const uno::Sequence< beans::PropertyValue >& lObjArgs )
440         throw ( lang::IllegalArgumentException,
441                 io::IOException,
442                 uno::Exception,
443                 uno::RuntimeException )
444 {
445     RTL_LOGFILE_CONTEXT( aLog, "embeddedobj (mv76033) UNOEmbeddedObjectCreator::createInstanceLinkUserInit" );
446 
447     uno::Reference< uno::XInterface > xResult;
448 
449     ::rtl::OUString aEmbedFactory = m_aConfigHelper.GetFactoryNameByClassID( aClassID );
450     uno::Reference< embed::XLinkFactory > xLinkFactory(
451                         m_xFactory->createInstance( aEmbedFactory ),
452                         uno::UNO_QUERY );
453     if ( !xLinkFactory.is() )
454         throw uno::RuntimeException(); // TODO:
455 
456     return xLinkFactory->createInstanceLinkUserInit( aClassID,
457                                                     aClassName,
458                                                     xStorage,
459                                                     sEntName,
460                                                     lArguments,
461                                                     lObjArgs );
462 
463 }
464 
465 //-------------------------------------------------------------------------
466 ::rtl::OUString SAL_CALL UNOEmbeddedObjectCreator::getImplementationName()
467     throw ( uno::RuntimeException )
468 {
469     return impl_staticGetImplementationName();
470 }
471 
472 //-------------------------------------------------------------------------
473 sal_Bool SAL_CALL UNOEmbeddedObjectCreator::supportsService( const ::rtl::OUString& ServiceName )
474     throw ( uno::RuntimeException )
475 {
476     uno::Sequence< ::rtl::OUString > aSeq = impl_staticGetSupportedServiceNames();
477 
478     for ( sal_Int32 nInd = 0; nInd < aSeq.getLength(); nInd++ )
479         if ( ServiceName.compareTo( aSeq[nInd] ) == 0 )
480             return sal_True;
481 
482     return sal_False;
483 }
484 
485 //-------------------------------------------------------------------------
486 uno::Sequence< ::rtl::OUString > SAL_CALL UNOEmbeddedObjectCreator::getSupportedServiceNames()
487     throw ( uno::RuntimeException )
488 {
489     return impl_staticGetSupportedServiceNames();
490 }
491 
492