xref: /aoo42x/main/ucb/source/ucp/file/prov.cxx (revision 3adbb628)
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21 
22 
23 
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_file.hxx"
26 #include <osl/security.hxx>
27 #include <osl/file.hxx>
28 #include <osl/socket.h>
29 #include <cppuhelper/factory.hxx>
30 #ifndef _COM_SUN_STAR_BEANS_PROPERTYATTRIBBUTE_HPP_
31 #include <com/sun/star/beans/PropertyAttribute.hpp>
32 #endif
33 #include <com/sun/star/ucb/FileSystemNotation.hpp>
34 #include <com/sun/star/beans/PropertyState.hpp>
35 #include "filglob.hxx"
36 #include "filid.hxx"
37 #include "shell.hxx"
38 #include "bc.hxx"
39 #include "prov.hxx"
40 
41 
42 using namespace fileaccess;
43 using namespace com::sun::star;
44 using namespace com::sun::star::uno;
45 using namespace com::sun::star::lang;
46 using namespace com::sun::star::beans;
47 using namespace com::sun::star::ucb;
48 using namespace com::sun::star::container;
49 
50 //=========================================================================
component_getImplementationEnvironment(const sal_Char ** ppEnvTypeName,uno_Environment **)51 extern "C" SAL_DLLPUBLIC_EXPORT void SAL_CALL component_getImplementationEnvironment(
52 	const sal_Char ** ppEnvTypeName, uno_Environment ** )
53 {
54 	*ppEnvTypeName = CPPU_CURRENT_LANGUAGE_BINDING_NAME;
55 }
56 
57 //=========================================================================
component_getFactory(const sal_Char * pImplName,void * pServiceManager,void *)58 extern "C" SAL_DLLPUBLIC_EXPORT void * SAL_CALL component_getFactory(
59 	const sal_Char * pImplName, void * pServiceManager, void * )
60 {
61 	void * pRet = 0;
62 
63 	Reference< XMultiServiceFactory > xSMgr(
64 			reinterpret_cast< XMultiServiceFactory * >( pServiceManager ) );
65 	Reference< XSingleServiceFactory > xFactory;
66 
67 	//////////////////////////////////////////////////////////////////////
68 	// File Content Provider.
69 	//////////////////////////////////////////////////////////////////////
70 
71 	if ( fileaccess::shell::getImplementationName_static().
72 			compareToAscii( pImplName ) == 0 )
73 	{
74 		xFactory = FileProvider::createServiceFactory( xSMgr );
75 	}
76 
77 	//////////////////////////////////////////////////////////////////////
78 
79 	if ( xFactory.is() )
80 	{
81 		xFactory->acquire();
82 		pRet = xFactory.get();
83 	}
84 
85 	return pRet;
86 }
87 
88 /****************************************************************************/
89 /*                                                                          */
90 /*                                                                          */
91 /*                        FileProvider                                      */
92 /*                                                                          */
93 /*                                                                          */
94 /****************************************************************************/
95 
96 
97 
FileProvider(const Reference<XMultiServiceFactory> & xMultiServiceFactory)98 FileProvider::FileProvider( const Reference< XMultiServiceFactory >& xMultiServiceFactory )
99 	: m_xMultiServiceFactory( xMultiServiceFactory ),
100 	  m_pMyShell( 0 )
101 {
102 }
103 
104 
~FileProvider()105 FileProvider::~FileProvider()
106 {
107 	if( m_pMyShell )
108 		delete m_pMyShell;
109 }
110 
111 
112 //////////////////////////////////////////////////////////////////////////
113 // XInterface
114 //////////////////////////////////////////////////////////////////////////
115 
116 void SAL_CALL
acquire(void)117 FileProvider::acquire(
118 	void )
119 	throw()
120 {
121 	OWeakObject::acquire();
122 }
123 
124 
125 void SAL_CALL
release(void)126 FileProvider::release(
127 	void )
128 	throw()
129 {
130 	OWeakObject::release();
131 }
132 
133 
134 Any SAL_CALL
queryInterface(const Type & rType)135 FileProvider::queryInterface(
136 	const Type& rType )
137 	throw( RuntimeException )
138 {
139 	Any aRet = cppu::queryInterface(
140 		rType,
141 		SAL_STATIC_CAST( XContentProvider*, this ),
142 		SAL_STATIC_CAST( XInitialization*, this ),
143 		SAL_STATIC_CAST( XContentIdentifierFactory*, this ),
144 		SAL_STATIC_CAST( XServiceInfo*, this ),
145 		SAL_STATIC_CAST( XTypeProvider*, this ),
146 		SAL_STATIC_CAST( XFileIdentifierConverter*,this ),
147 		SAL_STATIC_CAST( XPropertySet*, this ) );
148 	return aRet.hasValue() ? aRet : OWeakObject::queryInterface( rType );
149 }
150 
151 ///////////////////////////////////////////////////////////////////////////////
152 // XInitialization
153 
init()154 void SAL_CALL FileProvider::init()
155 {
156 	if( ! m_pMyShell )
157 		m_pMyShell = new shell( m_xMultiServiceFactory, this, sal_True );
158 }
159 
160 
161 void SAL_CALL
initialize(const Sequence<Any> & aArguments)162 FileProvider::initialize(
163 	const Sequence< Any >& aArguments )
164 	throw (Exception, RuntimeException)
165 {
166 	if( ! m_pMyShell ) {
167 		rtl::OUString config;
168 		if( aArguments.getLength() > 0 &&
169 			(aArguments[0] >>= config) &&
170 			config.compareToAscii("NoConfig") == 0 )
171 			m_pMyShell = new shell( m_xMultiServiceFactory, this, sal_False );
172 		else
173 			m_pMyShell = new shell( m_xMultiServiceFactory, this, sal_True );
174 	}
175 }
176 
177 
178 ////////////////////////////////////////////////////////////////////////////////
179 //
180 // XTypeProvider methods.
181 
182 
XTYPEPROVIDER_IMPL_7(FileProvider,XTypeProvider,XServiceInfo,XInitialization,XContentIdentifierFactory,XPropertySet,XFileIdentifierConverter,XContentProvider)183 XTYPEPROVIDER_IMPL_7( FileProvider,
184 					  XTypeProvider,
185 					  XServiceInfo,
186 					  XInitialization,
187 					  XContentIdentifierFactory,
188 					  XPropertySet,
189 					  XFileIdentifierConverter,
190 					  XContentProvider )
191 
192 
193 ////////////////////////////////////////////////////////////////////////////////
194 // XServiceInfo methods.
195 
196 rtl::OUString SAL_CALL
197 FileProvider::getImplementationName()
198 	throw( RuntimeException )
199 {
200 	return fileaccess::shell::getImplementationName_static();
201 }
202 
203 
204 sal_Bool SAL_CALL
supportsService(const rtl::OUString & ServiceName)205 FileProvider::supportsService(
206 			      const rtl::OUString& ServiceName )
207 	throw( RuntimeException )
208 {
209 	return ServiceName == rtl::OUString::createFromAscii( "com.sun.star.ucb.FileContentProvider" );
210 }
211 
212 
213 Sequence< rtl::OUString > SAL_CALL
getSupportedServiceNames(void)214 FileProvider::getSupportedServiceNames(
215 				       void )
216 	throw( RuntimeException )
217 {
218 	return fileaccess::shell::getSupportedServiceNames_static();
219 }
220 
221 
222 
223 Reference< XSingleServiceFactory > SAL_CALL
createServiceFactory(const Reference<XMultiServiceFactory> & rxServiceMgr)224 FileProvider::createServiceFactory(
225 				   const Reference< XMultiServiceFactory >& rxServiceMgr )
226 {
227   /**
228    * Create a single service factory.<BR>
229    * Note: The function pointer ComponentInstantiation points to a function throws Exception.
230    *
231    * @param rServiceManager		the service manager used by the implementation.
232    * @param rImplementationName	the implementation name. An empty string is possible.
233    * @param ComponentInstantiation the function pointer to create an object.
234    * @param rServiceNames			the service supported by the implementation.
235    * @return a factory that support the interfaces XServiceProvider, XServiceInfo
236    *			XSingleServiceFactory and XComponent.
237    *
238    * @see createOneInstanceFactory
239    */
240   /*
241    *  Reference< ::com::sun::star::XSingleServiceFactory > createSingleFactory
242    *  (
243    *  const ::com::sun::star::Reference< ::com::sun::star::XMultiServiceFactory > & rServiceManager,
244    *  const ::rtl::OUString & rImplementationName,
245    *  ComponentInstantiation pCreateFunction,
246 
247    *  const ::com::sun::star::Sequence< ::rtl::OUString > & rServiceNames
248    *  );
249    */
250 
251 	return Reference< XSingleServiceFactory > ( cppu::createSingleFactory(
252 		rxServiceMgr,
253 		fileaccess::shell::getImplementationName_static(),
254 		FileProvider::CreateInstance,
255 		fileaccess::shell::getSupportedServiceNames_static() ) );
256 }
257 
258 Reference< XInterface > SAL_CALL
CreateInstance(const Reference<XMultiServiceFactory> & xMultiServiceFactory)259 FileProvider::CreateInstance(
260 	const Reference< XMultiServiceFactory >& xMultiServiceFactory )
261 {
262 	XServiceInfo* xP = (XServiceInfo*) new FileProvider( xMultiServiceFactory );
263 	return Reference< XInterface >::query( xP );
264 }
265 
266 
267 
268 ////////////////////////////////////////////////////////////////////////////////
269 // XContent
270 ////////////////////////////////////////////////////////////////////////////////
271 
272 
273 Reference< XContent > SAL_CALL
queryContent(const Reference<XContentIdentifier> & xIdentifier)274 FileProvider::queryContent(
275 	const Reference< XContentIdentifier >& xIdentifier )
276 	throw( IllegalIdentifierException,
277 		   RuntimeException)
278 {
279 	init();
280 	rtl::OUString aUnc;
281 	sal_Bool err = m_pMyShell->getUnqFromUrl( xIdentifier->getContentIdentifier(),
282 											  aUnc );
283 
284 	if( err )
285 		throw IllegalIdentifierException( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( OSL_LOG_PREFIX ) ), uno::Reference< uno::XInterface >() );
286 
287 	return Reference< XContent >( new BaseContent( m_pMyShell,xIdentifier,aUnc ) );
288 }
289 
290 
291 
292 sal_Int32 SAL_CALL
compareContentIds(const Reference<XContentIdentifier> & Id1,const Reference<XContentIdentifier> & Id2)293 FileProvider::compareContentIds(
294 				const Reference< XContentIdentifier >& Id1,
295 				const Reference< XContentIdentifier >& Id2 )
296 	throw( RuntimeException )
297 {
298 	init();
299 	rtl::OUString aUrl1 = Id1->getContentIdentifier();
300 	rtl::OUString aUrl2 = Id2->getContentIdentifier();
301 
302 	sal_Int32	iComp = aUrl1.compareTo( aUrl2 );
303 
304 	if ( 0 != iComp )
305 	{
306 		rtl::OUString aPath1, aPath2;
307 
308 		m_pMyShell->getUnqFromUrl( aUrl1, aPath1 );
309 		m_pMyShell->getUnqFromUrl( aUrl2, aPath2 );
310 
311 		osl::FileBase::RC	error;
312 		osl::DirectoryItem	aItem1, aItem2;
313 
314 		error = osl::DirectoryItem::get( aPath1, aItem1 );
315 		if ( error == osl::FileBase::E_None )
316 			error = osl::DirectoryItem::get( aPath2, aItem2 );
317 
318 		if ( error != osl::FileBase::E_None )
319 			return iComp;
320 
321 		osl::FileStatus	aStatus1( FileStatusMask_FileURL );
322 		osl::FileStatus	aStatus2( FileStatusMask_FileURL );
323 		error = aItem1.getFileStatus( aStatus1 );
324 		if ( error == osl::FileBase::E_None )
325 			error = aItem2.getFileStatus( aStatus2 );
326 
327 		if ( error == osl::FileBase::E_None )
328 		{
329 			iComp = aStatus1.getFileURL().compareTo( aStatus2.getFileURL() );
330 
331 // Quick hack for Windows to treat all file systems as case insensitive
332 #ifdef	WNT
333 			if ( 0 != iComp )
334 			{
335 				error = osl::FileBase::getSystemPathFromFileURL( aStatus1.getFileURL(), aPath1 );
336 				if ( error == osl::FileBase::E_None )
337 					error = osl::FileBase::getSystemPathFromFileURL( aStatus2.getFileURL(), aPath2 );
338 
339 				if ( error == osl::FileBase::E_None )
340 					iComp = rtl_ustr_compareIgnoreAsciiCase( aPath1.getStr(), aPath2.getStr() );
341 			}
342 #endif
343 		}
344 	}
345 
346 	return iComp;
347 }
348 
349 
350 
351 Reference< XContentIdentifier > SAL_CALL
createContentIdentifier(const rtl::OUString & ContentId)352 FileProvider::createContentIdentifier(
353 				      const rtl::OUString& ContentId )
354 	throw( RuntimeException )
355 {
356 	init();
357 	FileContentIdentifier* p = new FileContentIdentifier( m_pMyShell,ContentId,false );
358 	return Reference< XContentIdentifier >( p );
359 }
360 
361 
362 
363 //XPropertySetInfoImpl
364 
365 class XPropertySetInfoImpl2
366 	: public cppu::OWeakObject,
367 	  public XPropertySetInfo
368 {
369 public:
370 	XPropertySetInfoImpl2();
371 	~XPropertySetInfoImpl2();
372 
373 	// XInterface
374 	virtual Any SAL_CALL
375 	queryInterface(
376 		const Type& aType )
377 		throw( RuntimeException);
378 
379 	virtual void SAL_CALL
380 	acquire(
381 		void )
382 		throw();
383 
384 	virtual void SAL_CALL
385 	release(
386 		void )
387 		throw();
388 
389 
390 	virtual Sequence< Property > SAL_CALL
391 	getProperties(
392 		void )
393 		throw( RuntimeException );
394 
395 	virtual Property SAL_CALL
396 	getPropertyByName(
397 		const rtl::OUString& aName )
398 		throw( UnknownPropertyException,
399 			   RuntimeException);
400 
401 	virtual sal_Bool SAL_CALL
402 	hasPropertyByName( const rtl::OUString& Name )
403 		throw( RuntimeException );
404 
405 
406 private:
407 	Sequence< Property > m_seq;
408 };
409 
410 
XPropertySetInfoImpl2()411 XPropertySetInfoImpl2::XPropertySetInfoImpl2()
412 	: m_seq( 3 )
413 {
414 	m_seq[0] = Property( rtl::OUString::createFromAscii( "HostName" ),
415 						 -1,
416 						 getCppuType( static_cast< rtl::OUString* >( 0 ) ),
417 						 PropertyAttribute::READONLY );
418 
419 	m_seq[1] = Property( rtl::OUString::createFromAscii( "HomeDirectory" ),
420 						 -1,
421 						 getCppuType( static_cast< rtl::OUString* >( 0 ) ),
422 						 PropertyAttribute::READONLY );
423 
424 	m_seq[2] = Property( rtl::OUString::createFromAscii( "FileSystemNotation" ),
425 						 -1,
426 						 getCppuType( static_cast< sal_Int32* >( 0 ) ),
427 						 PropertyAttribute::READONLY );
428 }
429 
430 
~XPropertySetInfoImpl2()431 XPropertySetInfoImpl2::~XPropertySetInfoImpl2()
432 {
433 	// nothing
434 }
435 
436 
437 void SAL_CALL
acquire(void)438 XPropertySetInfoImpl2::acquire(
439 	void )
440 	throw()
441 {
442 	OWeakObject::acquire();
443 }
444 
445 
446 void SAL_CALL
release(void)447 XPropertySetInfoImpl2::release(
448 	void )
449 	throw()
450 {
451 	OWeakObject::release();
452 }
453 
454 
455 Any SAL_CALL
queryInterface(const Type & rType)456 XPropertySetInfoImpl2::queryInterface(
457 	const Type& rType )
458 	throw( RuntimeException )
459 {
460 	Any aRet = cppu::queryInterface( rType,
461 										  SAL_STATIC_CAST( XPropertySetInfo*,this) );
462 	return aRet.hasValue() ? aRet : OWeakObject::queryInterface( rType );
463 }
464 
465 
466 Property SAL_CALL
getPropertyByName(const rtl::OUString & aName)467 XPropertySetInfoImpl2::getPropertyByName(
468 	const rtl::OUString& aName )
469 	throw( UnknownPropertyException,
470 		   RuntimeException)
471 {
472 	for( sal_Int32 i = 0; i < m_seq.getLength(); ++i )
473 		if( m_seq[i].Name == aName )
474 			return m_seq[i];
475 
476 	throw UnknownPropertyException( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( OSL_LOG_PREFIX ) ), uno::Reference< uno::XInterface >() );
477 }
478 
479 
480 
481 Sequence< Property > SAL_CALL
getProperties(void)482 XPropertySetInfoImpl2::getProperties(
483 	void )
484 	throw( RuntimeException )
485 {
486 	return m_seq;
487 }
488 
489 
490 sal_Bool SAL_CALL
hasPropertyByName(const rtl::OUString & aName)491 XPropertySetInfoImpl2::hasPropertyByName(
492 	const rtl::OUString& aName )
493 	throw( RuntimeException )
494 {
495 	for( sal_Int32 i = 0; i < m_seq.getLength(); ++i )
496 		if( m_seq[i].Name == aName )
497 			return true;
498 	return false;
499 }
500 
501 
502 
503 
504 
initProperties(void)505 void SAL_CALL FileProvider::initProperties( void )
506 {
507 	osl::MutexGuard aGuard( m_aMutex );
508 	if( ! m_xPropertySetInfo.is() )
509 	{
510 		osl_getLocalHostname( &m_HostName.pData );
511 
512 #if defined ( UNX )
513 		m_FileSystemNotation = FileSystemNotation::UNIX_NOTATION;
514 #elif defined( WNT ) || defined( OS2 )
515 		m_FileSystemNotation = FileSystemNotation::DOS_NOTATION;
516 #else
517 		m_FileSystemNotation = FileSystemNotation::UNKNOWN_NOTATION;
518 #endif
519 		osl::Security aSecurity;
520 		aSecurity.getHomeDir( m_HomeDirectory );
521 
522 		// static const sal_Int32 UNKNOWN_NOTATION = (sal_Int32)0;
523 		// static const sal_Int32 UNIX_NOTATION = (sal_Int32)1;
524 		// static const sal_Int32 DOS_NOTATION = (sal_Int32)2;
525 		// static const sal_Int32 MAC_NOTATION = (sal_Int32)3;
526 
527 		XPropertySetInfoImpl2* p = new XPropertySetInfoImpl2();
528 		m_xPropertySetInfo = Reference< XPropertySetInfo >( p );
529 	}
530 }
531 
532 
533 // XPropertySet
534 
535 Reference< XPropertySetInfo > SAL_CALL
getPropertySetInfo()536 FileProvider::getPropertySetInfo(  )
537 	throw( RuntimeException )
538 {
539 	initProperties();
540 	return m_xPropertySetInfo;
541 }
542 
543 
544 void SAL_CALL
setPropertyValue(const rtl::OUString & aPropertyName,const Any &)545 FileProvider::setPropertyValue( const rtl::OUString& aPropertyName,
546 								const Any& )
547 	throw( UnknownPropertyException,
548 		   PropertyVetoException,
549 		   IllegalArgumentException,
550 		   WrappedTargetException,
551 		   RuntimeException )
552 {
553 	if( aPropertyName.compareToAscii( "FileSystemNotation" ) == 0 ||
554 		aPropertyName.compareToAscii( "HomeDirectory" ) == 0      ||
555 		aPropertyName.compareToAscii( "HostName" ) == 0 )
556 		return;
557 	else
558 		throw UnknownPropertyException( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( OSL_LOG_PREFIX ) ), uno::Reference< uno::XInterface >() );
559 }
560 
561 
562 
563 Any SAL_CALL
getPropertyValue(const rtl::OUString & aPropertyName)564 FileProvider::getPropertyValue(
565 	const rtl::OUString& aPropertyName )
566 	throw( UnknownPropertyException,
567 		   WrappedTargetException,
568 		   RuntimeException )
569 {
570 	initProperties();
571 	if( aPropertyName.compareToAscii( "FileSystemNotation" ) == 0 )
572 	{
573 		Any aAny;
574 		aAny <<= m_FileSystemNotation;
575 		return aAny;
576 	}
577 	else if( aPropertyName.compareToAscii( "HomeDirectory" ) == 0 )
578 	{
579 		Any aAny;
580 		aAny <<= m_HomeDirectory;
581 		return aAny;
582 	}
583 	else if( aPropertyName.compareToAscii( "HostName" ) == 0 )
584 	{
585 		Any aAny;
586 		aAny <<= m_HostName;
587 		return aAny;
588 	}
589 	else
590 		throw UnknownPropertyException( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( OSL_LOG_PREFIX ) ), uno::Reference< uno::XInterface >() );
591 }
592 
593 
594 void SAL_CALL
addPropertyChangeListener(const rtl::OUString &,const Reference<XPropertyChangeListener> &)595 FileProvider::addPropertyChangeListener(
596 	const rtl::OUString&,
597 	const Reference< XPropertyChangeListener >& )
598 	throw( UnknownPropertyException,
599 		   WrappedTargetException,
600 		   RuntimeException)
601 {
602 	return;
603 }
604 
605 
606 void SAL_CALL
removePropertyChangeListener(const rtl::OUString &,const Reference<XPropertyChangeListener> &)607 FileProvider::removePropertyChangeListener(
608 	const rtl::OUString&,
609 	const Reference< XPropertyChangeListener >& )
610 	throw( UnknownPropertyException,
611 		   WrappedTargetException,
612 		   RuntimeException )
613 {
614 	return;
615 }
616 
617 void SAL_CALL
addVetoableChangeListener(const rtl::OUString &,const Reference<XVetoableChangeListener> &)618 FileProvider::addVetoableChangeListener(
619 	const rtl::OUString&,
620 	const Reference< XVetoableChangeListener >& )
621 	throw( UnknownPropertyException,
622 		   WrappedTargetException,
623 		   RuntimeException )
624 {
625 	return;
626 }
627 
628 
629 void SAL_CALL
removeVetoableChangeListener(const rtl::OUString &,const Reference<XVetoableChangeListener> &)630 FileProvider::removeVetoableChangeListener(
631 	const rtl::OUString&,
632 	const Reference< XVetoableChangeListener >& )
633 	throw( UnknownPropertyException,
634 		   WrappedTargetException,
635 		   RuntimeException)
636 {
637 	return;
638 }
639 
640 
641 
642 // XFileIdentifierConverter
643 
644 sal_Int32 SAL_CALL
getFileProviderLocality(const rtl::OUString & BaseURL)645 FileProvider::getFileProviderLocality( const rtl::OUString& BaseURL )
646 	throw( RuntimeException )
647 {
648 	// If the base URL is a 'file' URL, return 10 (very 'local'), otherwise
649 	// return -1 (mismatch). What is missing is a fast comparison to ASCII,
650 	// ignoring case:
651 	return BaseURL.getLength() >= 5
652 		   && (BaseURL[0] == 'F' || BaseURL[0] == 'f')
653 		   && (BaseURL[1] == 'I' || BaseURL[1] == 'i')
654 		   && (BaseURL[2] == 'L' || BaseURL[2] == 'l')
655 		   && (BaseURL[3] == 'E' || BaseURL[3] == 'e')
656 		   && BaseURL[4] == ':' ?
657 		       10 : -1;
658 }
659 
getFileURLFromSystemPath(const rtl::OUString &,const rtl::OUString & SystemPath)660 rtl::OUString SAL_CALL FileProvider::getFileURLFromSystemPath( const rtl::OUString&,
661 															   const rtl::OUString& SystemPath )
662 	throw( RuntimeException )
663 {
664 	rtl::OUString aNormalizedPath;
665 	if ( osl::FileBase::getFileURLFromSystemPath( SystemPath,aNormalizedPath ) != osl::FileBase::E_None )
666 		return rtl::OUString();
667 
668 	return aNormalizedPath;
669 }
670 
getSystemPathFromFileURL(const rtl::OUString & URL)671 rtl::OUString SAL_CALL FileProvider::getSystemPathFromFileURL( const rtl::OUString& URL )
672 	throw( RuntimeException )
673 {
674 	rtl::OUString aSystemPath;
675 	if (osl::FileBase::getSystemPathFromFileURL( URL,aSystemPath ) != osl::FileBase::E_None )
676 		return rtl::OUString();
677 
678 	return aSystemPath;
679 }
680 
681