xref: /trunk/main/xmloff/source/meta/xmlversion.cxx (revision 91144cd0085a7583d2099b982122deb2184ab956)
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21 
22 
23 
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_xmloff.hxx"
26 #include <com/sun/star/embed/ElementModes.hpp>
27 #include <tools/debug.hxx>
28 #include <unotools/streamwrap.hxx>
29 #include <xmlversion.hxx>
30 #include <xmloff/xmlmetae.hxx>
31 
32 #include <xmloff/xmltoken.hxx>
33 #include <comphelper/processfactory.hxx>
34 #include <com/sun/star/io/XActiveDataSource.hpp>
35 #include <com/sun/star/io/XOutputStream.hpp>
36 #include <com/sun/star/util/DateTime.hpp>
37 #include <com/sun/star/xml/sax/InputSource.hpp>
38 #include <com/sun/star/xml/sax/XParser.hpp>
39 
40 #include <tools/string.hxx>
41 class SvStringsDtor;
42 
43 using namespace ::com::sun::star::xml::sax;
44 using namespace ::com::sun::star::uno;
45 using namespace ::com::sun::star;
46 using ::rtl::OUString;
47 
48 // ------------------------------------------------------------------------
49 
50 sal_Char __FAR_DATA XMLN_VERSIONSLIST[] = "VersionList.xml";
51 
52 // ------------------------------------------------------------------------
53 
54 // #110897#
XMLVersionListExport(const::com::sun::star::uno::Reference<::com::sun::star::lang::XMultiServiceFactory> xServiceFactory,const com::sun::star::uno::Sequence<com::sun::star::util::RevisionTag> & rVersions,const OUString & rFileName,Reference<XDocumentHandler> & rHandler)55 XMLVersionListExport::XMLVersionListExport(
56     const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory > xServiceFactory,
57     const com::sun::star::uno::Sequence < com::sun::star::util::RevisionTag >& rVersions,
58     const OUString &rFileName,
59     Reference< XDocumentHandler > &rHandler )
60 :   SvXMLExport( xServiceFactory, rFileName, rHandler ),
61     maVersions( rVersions )
62 {
63     _GetNamespaceMap().AddAtIndex( XML_NAMESPACE_DC_IDX, xmloff::token::GetXMLToken(xmloff::token::XML_NP_DC),
64                                    xmloff::token::GetXMLToken(xmloff::token::XML_N_DC), XML_NAMESPACE_DC );
65     _GetNamespaceMap().AddAtIndex( XML_NAMESPACE_FRAMEWORK_IDX, xmloff::token::GetXMLToken(xmloff::token::XML_NP_VERSIONS_LIST),
66                                    xmloff::token::GetXMLToken(xmloff::token::XML_N_VERSIONS_LIST), XML_NAMESPACE_FRAMEWORK );
67 }
68 
69 // ------------------------------------------------------------------------
exportDoc(enum::xmloff::token::XMLTokenEnum)70 sal_uInt32 XMLVersionListExport::exportDoc( enum ::xmloff::token::XMLTokenEnum )
71 {
72     GetDocHandler()->startDocument();
73 
74     sal_uInt16 nPos = _GetNamespaceMap().GetIndexByKey( XML_NAMESPACE_DC );
75 
76     AddAttribute( XML_NAMESPACE_NONE, _GetNamespaceMap().GetAttrNameByIndex( nPos ),
77                              _GetNamespaceMap().GetNameByIndex ( nPos ) );
78 
79     nPos = _GetNamespaceMap().GetIndexByKey( XML_NAMESPACE_FRAMEWORK );
80     AddAttribute( XML_NAMESPACE_NONE, _GetNamespaceMap().GetAttrNameByIndex( nPos ),
81                              _GetNamespaceMap().GetNameByIndex ( nPos ) );
82 
83     {
84         // the following object will write all collected attributes in its dtor
85         SvXMLElementExport aRoot( *this, XML_NAMESPACE_FRAMEWORK, xmloff::token::XML_VERSION_LIST, sal_True, sal_True );
86 
87         for ( sal_Int32 n=0; n<maVersions.getLength(); n++ )
88         {
89             const util::RevisionTag& rInfo = maVersions[n];
90             AddAttribute( XML_NAMESPACE_FRAMEWORK,
91                           xmloff::token::XML_TITLE,
92                           OUString( rInfo.Identifier ) );
93             AddAttribute( XML_NAMESPACE_FRAMEWORK,
94                           xmloff::token::XML_COMMENT,
95                           OUString( rInfo.Comment ) );
96             AddAttribute( XML_NAMESPACE_FRAMEWORK,
97                           xmloff::token::XML_CREATOR,
98                           OUString( rInfo.Author ) );
99 
100             OUString aDateStr =
101                 SvXMLMetaExport::GetISODateTimeString( rInfo.TimeStamp );
102 
103             AddAttribute( XML_NAMESPACE_DC, xmloff::token::XML_DATE_TIME, aDateStr );
104 
105             // the following object will write all collected attributes in its dtor
106             SvXMLElementExport aEntry( *this, XML_NAMESPACE_FRAMEWORK, xmloff::token::XML_VERSION_ENTRY, sal_True, sal_True );
107         }
108     }
109     GetDocHandler()->endDocument();
110     return 0;
111 }
112 
113 // ------------------------------------------------------------------------
114 // ------------------------------------------------------------------------
115 
116 // #110897#
XMLVersionListImport(const::com::sun::star::uno::Reference<::com::sun::star::lang::XMultiServiceFactory> xServiceFactory,com::sun::star::uno::Sequence<com::sun::star::util::RevisionTag> & rVersions)117 XMLVersionListImport::XMLVersionListImport(
118     const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory > xServiceFactory,
119     com::sun::star::uno::Sequence < com::sun::star::util::RevisionTag >& rVersions )
120 :   SvXMLImport(xServiceFactory),
121     maVersions( rVersions )
122 {
123     GetNamespaceMap().AddAtIndex( XML_NAMESPACE_FRAMEWORK_IDX, xmloff::token::GetXMLToken(xmloff::token::XML_NP_VERSIONS_LIST),
124                                   xmloff::token::GetXMLToken(xmloff::token::XML_N_VERSIONS_LIST), XML_NAMESPACE_FRAMEWORK );
125 }
126 
127 // ------------------------------------------------------------------------
~XMLVersionListImport(void)128 XMLVersionListImport::~XMLVersionListImport( void ) throw()
129 {}
130 
131 // ------------------------------------------------------------------------
CreateContext(sal_uInt16 nPrefix,const OUString & rLocalName,const Reference<XAttributeList> & xAttrList)132 SvXMLImportContext *XMLVersionListImport::CreateContext(
133         sal_uInt16 nPrefix,
134         const OUString& rLocalName,
135         const Reference< XAttributeList > & xAttrList )
136 {
137     SvXMLImportContext *pContext = 0;
138 
139     if ( XML_NAMESPACE_FRAMEWORK == nPrefix &&
140         rLocalName == xmloff::token::GetXMLToken(xmloff::token::XML_VERSION_LIST) )
141     {
142         pContext = new XMLVersionListContext( *this, nPrefix, rLocalName, xAttrList );
143     }
144     else
145     {
146         pContext = SvXMLImport::CreateContext( nPrefix, rLocalName, xAttrList );
147     }
148 
149     return pContext;
150 }
151 
152 
153 // ------------------------------------------------------------------------
154 // ------------------------------------------------------------------------
155 
XMLVersionListContext(XMLVersionListImport & rImport,sal_uInt16 nPrefix,const OUString & rLocalName,const Reference<XAttributeList> &)156 XMLVersionListContext::XMLVersionListContext( XMLVersionListImport& rImport,
157                                         sal_uInt16 nPrefix,
158                                         const OUString& rLocalName,
159                                         const Reference< XAttributeList > & )
160     : SvXMLImportContext( rImport, nPrefix, rLocalName )
161     , rLocalRef( rImport )
162 {
163 }
164 
165 // ------------------------------------------------------------------------
~XMLVersionListContext(void)166 XMLVersionListContext::~XMLVersionListContext( void )
167 {}
168 
169 // ------------------------------------------------------------------------
CreateChildContext(sal_uInt16 nPrefix,const OUString & rLocalName,const Reference<XAttributeList> & xAttrList)170 SvXMLImportContext *XMLVersionListContext::CreateChildContext( sal_uInt16 nPrefix,
171                                         const OUString& rLocalName,
172                                         const Reference< XAttributeList > & xAttrList )
173 {
174     SvXMLImportContext *pContext = 0;
175 
176     if ( nPrefix == XML_NAMESPACE_FRAMEWORK &&
177          rLocalName == xmloff::token::GetXMLToken(xmloff::token::XML_VERSION_ENTRY) )
178     {
179         pContext = new XMLVersionContext( rLocalRef, nPrefix, rLocalName, xAttrList );
180     }
181     else
182     {
183         pContext = new SvXMLImportContext( rLocalRef, nPrefix, rLocalName );
184     }
185 
186     return pContext;
187 }
188 
189 // ------------------------------------------------------------------------
190 // ------------------------------------------------------------------------
191 
XMLVersionContext(XMLVersionListImport & rImport,sal_uInt16 nPref,const OUString & rLocalName,const Reference<XAttributeList> & xAttrList)192 XMLVersionContext::XMLVersionContext( XMLVersionListImport& rImport,
193                                         sal_uInt16 nPref,
194                                         const OUString& rLocalName,
195                                         const Reference< XAttributeList > & xAttrList )
196     : SvXMLImportContext( rImport, nPref, rLocalName )
197     , rLocalRef( rImport )
198 {
199     sal_Int16 nAttrCount = xAttrList.is() ? xAttrList->getLength() : 0;
200 
201     if ( !nAttrCount )
202         return;
203 
204     util::RevisionTag aInfo;
205     for ( sal_Int16 i=0; i < nAttrCount; i++ )
206     {
207         OUString        aLocalName;
208         const OUString& rAttrName   = xAttrList->getNameByIndex( i );
209         sal_uInt16      nPrefix     = rImport.GetNamespaceMap().GetKeyByAttrName( rAttrName, &aLocalName );
210 
211         if ( XML_NAMESPACE_FRAMEWORK == nPrefix )
212         {
213             if ( aLocalName == xmloff::token::GetXMLToken(xmloff::token::XML_TITLE) )
214             {
215                 const OUString& rAttrValue = xAttrList->getValueByIndex( i );
216                 aInfo.Identifier = rAttrValue;
217             }
218             else if ( aLocalName == xmloff::token::GetXMLToken(xmloff::token::XML_COMMENT) )
219             {
220                 const OUString& rAttrValue = xAttrList->getValueByIndex( i );
221                 aInfo.Comment = rAttrValue;
222             }
223             else if ( aLocalName == xmloff::token::GetXMLToken(xmloff::token::XML_CREATOR) )
224             {
225                 const OUString& rAttrValue = xAttrList->getValueByIndex( i );
226                 aInfo.Author = rAttrValue;
227             }
228         }
229         else if ( ( XML_NAMESPACE_DC == nPrefix ) &&
230                   ( aLocalName == xmloff::token::GetXMLToken(xmloff::token::XML_DATE_TIME) ) )
231         {
232             const OUString& rAttrValue = xAttrList->getValueByIndex( i );
233             util::DateTime aTime;
234             if ( ParseISODateTimeString( rAttrValue, aTime ) )
235                 aInfo.TimeStamp = aTime;
236         }
237     }
238 
239     uno::Sequence < util::RevisionTag >& aList = rLocalRef.GetList();
240     sal_Int32 nLength = aList.getLength();
241     aList.realloc( nLength+1 );
242     aList[nLength] = aInfo;
243 }
244 
245 
246 // ------------------------------------------------------------------------
~XMLVersionContext(void)247 XMLVersionContext::~XMLVersionContext( void )
248 {}
249 
250 // ------------------------------------------------------------------------
251 // static
ParseISODateTimeString(const rtl::OUString & rString,util::DateTime & rDateTime)252 sal_Bool XMLVersionContext::ParseISODateTimeString(
253                                 const rtl::OUString& rString,
254                                 util::DateTime& rDateTime )
255 {
256     sal_Bool bSuccess = sal_True;
257 
258     OUString aDateStr, aTimeStr;
259     sal_Int32 nPos = rString.indexOf( (sal_Unicode) 'T' );
260     if ( nPos >= 0 )
261     {
262         aDateStr = rString.copy( 0, nPos );
263         aTimeStr = rString.copy( nPos + 1 );
264     }
265     else
266         aDateStr = rString;         // no separator: only date part
267 
268     sal_Int32 nYear  = 0;
269     sal_Int32 nMonth = 1;
270     sal_Int32 nDay   = 1;
271     sal_Int32 nHour  = 0;
272     sal_Int32 nMin   = 0;
273     sal_Int32 nSec   = 0;
274 
275     const sal_Unicode* pStr = aDateStr.getStr();
276     sal_Int32 nDateTokens = 1;
277     while ( *pStr )
278     {
279         if ( *pStr == '-' )
280             nDateTokens++;
281         pStr++;
282     }
283     if ( nDateTokens > 3 || aDateStr.getLength() == 0 )
284         bSuccess = sal_False;
285     else
286     {
287         sal_Int32 n = 0;
288         nYear = aDateStr.getToken( 0, '-', n ).toInt32();
289         if ( nYear > 9999 )
290             bSuccess = sal_False;
291         else if ( nDateTokens >= 2 )
292         {
293             nMonth = aDateStr.getToken( 0, '-', n ).toInt32();
294             if ( nMonth > 12 )
295                 bSuccess = sal_False;
296             else if ( nDateTokens >= 3 )
297             {
298                 nDay = aDateStr.getToken( 0, '-', n ).toInt32();
299                 if ( nDay > 31 )
300                     bSuccess = sal_False;
301             }
302         }
303     }
304 
305     if ( bSuccess && aTimeStr.getLength() > 0 )         // time is optional
306     {
307         pStr = aTimeStr.getStr();
308         sal_Int32 nTimeTokens = 1;
309         while ( *pStr )
310         {
311             if ( *pStr == ':' )
312                 nTimeTokens++;
313             pStr++;
314         }
315         if ( nTimeTokens > 3 )
316             bSuccess = sal_False;
317         else
318         {
319             sal_Int32 n = 0;
320             nHour = aTimeStr.getToken( 0, ':', n ).toInt32();
321             if ( nHour > 23 )
322                 bSuccess = sal_False;
323             else if ( nTimeTokens >= 2 )
324             {
325                 nMin = aTimeStr.getToken( 0, ':', n ).toInt32();
326                 if ( nMin > 59 )
327                     bSuccess = sal_False;
328                 else if ( nTimeTokens >= 3 )
329                 {
330                     nSec = aTimeStr.getToken( 0, ':', n ).toInt32();
331                     if ( nSec > 59 )
332                         bSuccess = sal_False;
333                 }
334             }
335         }
336     }
337 
338     if ( bSuccess )
339     {
340         rDateTime.Day = sal::static_int_cast< sal_uInt16 >(nDay);
341         rDateTime.Month = sal::static_int_cast< sal_uInt16 >(nMonth);
342         rDateTime.Year = sal::static_int_cast< sal_uInt16 >(nYear);
343         rDateTime.Hours = sal::static_int_cast< sal_uInt16 >(nHour);
344         rDateTime.Minutes = sal::static_int_cast< sal_uInt16 >(nMin);
345         rDateTime.Seconds = sal::static_int_cast< sal_uInt16 >(nSec);
346     }
347 
348     return bSuccess;
349 }
350 
351 
352 // ------------------------------------------------------------------------
353 // ------------------------------------------------------------------------
354 
store(const uno::Reference<embed::XStorage> & xRoot,const uno::Sequence<util::RevisionTag> & rVersions)355 void SAL_CALL XMLVersionListPersistence::store( const uno::Reference< embed::XStorage >& xRoot, const uno::Sequence< util::RevisionTag >& rVersions )
356 {
357     // no storage, no version list!
358     if ( xRoot.is() )
359     {
360         // get the services needed for writing the xml data
361         Reference< lang::XMultiServiceFactory > xServiceFactory =
362                 comphelper::getProcessServiceFactory();
363         DBG_ASSERT( xServiceFactory.is(), "XMLReader::Read: got no service manager" );
364 
365         Reference< XInterface > xWriter (xServiceFactory->createInstance(
366                 OUString(RTL_CONSTASCII_USTRINGPARAM("com.sun.star.xml.sax.Writer"))));
367         DBG_ASSERT( xWriter.is(), "com.sun.star.xml.sax.Writer service missing" );
368 
369         // check whether there's already a sub storage with the version info
370         // and delete it
371         OUString sVerName( RTL_CONSTASCII_USTRINGPARAM( XMLN_VERSIONSLIST ) );
372 
373         // is this really needed, we set the size to zero before doing
374         // anything with this stream?
375 /*      if ( xRoot->IsContained( sVerName ) )
376         {
377             xRoot->Remove( sVerName );
378             xRoot->Commit();
379         }
380 */
381         try {
382             // open (create) the sub storage with the version info
383             uno::Reference< io::XStream > xVerStream = xRoot->openStreamElement(
384                                             sVerName,
385                                             embed::ElementModes::READWRITE | embed::ElementModes::TRUNCATE );
386             if ( !xVerStream.is() )
387                 throw uno::RuntimeException();
388 
389 //REMOVE                // SetSize should not be necessary because OpenStream( WRITE|TRUNC ) should already
390 //REMOVE                // have set the size to zero
391 //REMOVE        //      xVerStream->SetSize ( 0L );
392 //REMOVE                xVerStream->SetBufferSize( 16*1024 );
393 
394             Reference< io::XOutputStream > xOut = xVerStream->getOutputStream();
395             if ( !xOut.is() )
396                 throw uno::RuntimeException(); // the stream was successfully opened for writing already
397 
398             Reference< io::XActiveDataSource > xSrc( xWriter, uno::UNO_QUERY );
399             xSrc->setOutputStream(xOut);
400 
401             Reference< XDocumentHandler > xHandler( xWriter, uno::UNO_QUERY );
402 
403             // XMLVersionListExport aExp( pList, sVerName, xHandler );
404             XMLVersionListExport aExp( xServiceFactory, rVersions, sVerName, xHandler );
405 
406             aExp.exportDoc( ::xmloff::token::XML_VERSION );
407 
408 //REMOVE                xVerStream->Commit();
409             xVerStream = uno::Reference< io::XStream >(); // use refcounting for now to dispose
410     //      xRoot->Commit();
411         }
412         catch( uno::Exception& )
413         {
414             // TODO: error handling
415         }
416     }
417 }
418 
419 // ------------------------------------------------------------------------
load(const uno::Reference<embed::XStorage> & xRoot)420 uno::Sequence< util::RevisionTag > SAL_CALL XMLVersionListPersistence::load( const uno::Reference< embed::XStorage >& xRoot )
421 {
422     com::sun::star::uno::Sequence < com::sun::star::util::RevisionTag > aVersions;
423 
424     const OUString sDocName( RTL_CONSTASCII_USTRINGPARAM( XMLN_VERSIONSLIST ) );
425     uno::Reference< container::XNameAccess > xRootNames( xRoot, uno::UNO_QUERY );
426 
427     try {
428         if ( xRootNames.is() && xRootNames->hasByName( sDocName ) && xRoot->isStreamElement( sDocName ) )
429         {
430             Reference< lang::XMultiServiceFactory > xServiceFactory =
431                     comphelper::getProcessServiceFactory();
432             DBG_ASSERT( xServiceFactory.is(), "XMLReader::Read: got no service manager" );
433 
434             InputSource aParserInput;
435 
436             uno::Reference< beans::XPropertySet > xProps( xRoot, uno::UNO_QUERY );
437             OSL_ENSURE( xProps.is(), "Storage must implement XPropertySet!\n" );
438             if ( xProps.is() )
439             {
440                 try {
441                     xProps->getPropertyValue( ::rtl::OUString::createFromAscii( "URL" ) ) >>= aParserInput.sSystemId;
442                 }
443                 catch( uno::Exception& )
444                 {}
445             }
446 
447             uno::Reference< io::XStream > xDocStream = xRoot->openStreamElement(
448                                                             sDocName,
449                                                             embed::ElementModes::READ );
450             if ( !xDocStream.is() )
451                 throw uno::RuntimeException();
452 
453 //REMOVE                xDocStream->Seek( 0L );
454 //REMOVE                xDocStream->SetBufferSize( 16*1024 );
455 
456             aParserInput.aInputStream = xDocStream->getInputStream();
457             OSL_ENSURE( aParserInput.aInputStream.is(),
458                         "The stream was successfully opened for reading, the input part must be accessible!\n" );
459             if ( !aParserInput.aInputStream.is() )
460                 throw uno::RuntimeException();
461 
462             // get parser
463             Reference< XInterface > xXMLParser = xServiceFactory->createInstance(
464                 OUString::createFromAscii("com.sun.star.xml.sax.Parser") );
465             DBG_ASSERT( xXMLParser.is(),
466                     "XMLReader::Read: com.sun.star.xml.sax.Parser service missing" );
467 
468             // get filter
469             // Reference< XDocumentHandler > xFilter = new XMLVersionListImport( pList );
470             Reference< XDocumentHandler > xFilter = new XMLVersionListImport( xServiceFactory, aVersions );
471 
472             // connect parser and filter
473             Reference< XParser > xParser( xXMLParser, UNO_QUERY );
474             xParser->setDocumentHandler( xFilter );
475 
476             // parse
477             try
478             {
479                 xParser->parseStream( aParserInput );
480             }
481             catch( SAXParseException&  ) {}
482             catch( SAXException&  )      {}
483             catch( io::IOException& )    {}
484         }
485     }
486     catch( uno::Exception& )
487     {
488         // TODO: error handling
489     }
490 
491     return aVersions;
492 }
493 
XMLVersionListPersistence_getSupportedServiceNames()494 uno::Sequence< rtl::OUString > SAL_CALL XMLVersionListPersistence_getSupportedServiceNames()
495     throw()
496 {
497     const rtl::OUString aServiceName(
498         RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.document.DocumentRevisionListPersistence" ) );
499     const uno::Sequence< rtl::OUString > aSeq( &aServiceName, 1 );
500     return aSeq;
501 }
502 
XMLVersionListPersistence_getImplementationName()503 rtl::OUString SAL_CALL XMLVersionListPersistence_getImplementationName() throw()
504 {
505     return rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "XMLVersionListPersistence" ) );
506 }
507 
XMLVersionListPersistence_createInstance(const uno::Reference<lang::XMultiServiceFactory> &)508 uno::Reference< uno::XInterface > SAL_CALL XMLVersionListPersistence_createInstance(
509         const uno::Reference< lang::XMultiServiceFactory > &)
510 {
511     return (cppu::OWeakObject*)new XMLVersionListPersistence;
512 }
513 
XMLVersionImExportOOO_getSupportedServiceNames()514 uno::Sequence< rtl::OUString > SAL_CALL XMLVersionImExportOOO_getSupportedServiceNames()
515     throw()
516 {
517     const rtl::OUString aServiceName(
518         RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.document.DocumentRevisionListPersistence" ) );
519     const uno::Sequence< rtl::OUString > aSeq( &aServiceName, 1 );
520     return aSeq;
521 }
522 
XMLVersionImExportOOO_getImplementationName()523 rtl::OUString SAL_CALL XMLVersionImExportOOO_getImplementationName() throw()
524 {
525     return rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "XMLVersionImExportOOo" ) );
526 }
527 
XMLVersionImExportOOO_createInstance(const uno::Reference<lang::XMultiServiceFactory> &)528 uno::Reference< uno::XInterface > SAL_CALL XMLVersionImExportOOO_createInstance(
529         const uno::Reference< lang::XMultiServiceFactory > &)
530 {
531     return (cppu::OWeakObject*)new XMLVersionListPersistence;
532 }
533