ucb/source/ucp/tdoc/tdoc_stgelems.hxx

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  30
  31 #ifndef INCLUDED_TDOC_STGELEMS_HXX
  32 #define INCLUDED_TDOC_STGELEMS_HXX
  33
  34 #include <memory>
  35
  36 #include "osl/mutex.hxx"
  37 #include "rtl/ref.hxx"
  38
  39 #include "cppuhelper/implbase2.hxx"
  40 #include "cppuhelper/implbase5.hxx"
  41
  42 #include "com/sun/star/embed/XStorage.hpp"
  43 #include "com/sun/star/embed/XTransactedObject.hpp"
  44 #include "com/sun/star/io/XOutputStream.hpp"
  45 #include "com/sun/star/io/XStream.hpp"
  46 #include "com/sun/star/io/XTruncate.hpp"
  47 #include "com/sun/star/lang/XComponent.hpp"
  48
  49 #include "tdoc_storage.hxx"
  50
  51 namespace tdoc_ucp {
  52
  53 struct MutexHolder
  54 {
  55     osl::Mutex m_aMutex;
  56 };
  57
  58 //=======================================================================
  59
  60 class ParentStorageHolder : public MutexHolder
  61 {
  62 public:
  63     ParentStorageHolder(
  64         const com::sun::star::uno::Reference<
  65             com::sun::star::embed::XStorage > & xParentStorage,
  66         const rtl::OUString & rUri );
  67
  68     bool isParentARootStorage() const
  69     { return m_bParentIsRootStorage; }
  70     com::sun::star::uno::Reference< com::sun::star::embed::XStorage >
  71     getParentStorage() const
  72     { return m_xParentStorage; }
  73     void setParentStorage( const com::sun::star::uno::Reference<
  74                             com::sun::star::embed::XStorage > & xStg )
  75     { osl::MutexGuard aGuard( m_aMutex ); m_xParentStorage = xStg; }
  76
  77 private:
  78     com::sun::star::uno::Reference<
  79         com::sun::star::embed::XStorage > m_xParentStorage;
  80     bool                                  m_bParentIsRootStorage;
  81 };
  82
  83 //=======================================================================
  84
  85 typedef
  86     cppu::WeakImplHelper2<
  87         com::sun::star::embed::XStorage,
  88         com::sun::star::embed::XTransactedObject > StorageUNOBase;
  89
  90 class Storage : public StorageUNOBase, public ParentStorageHolder
  91 {
  92 public:
  93     Storage(
  94         const com::sun::star::uno::Reference<
  95             com::sun::star::lang::XMultiServiceFactory > & xSMgr,
  96         const rtl::Reference< StorageElementFactory >  & xFactory,
  97         const rtl::OUString & rUri,
  98         const com::sun::star::uno::Reference<
  99             com::sun::star::embed::XStorage > & xParentStorage,
 100         const com::sun::star::uno::Reference<
 101             com::sun::star::embed::XStorage > & xStorageToWrap );
 102     virtual ~Storage();
 103
 104     bool isDocumentStorage() const { return m_bIsDocumentStorage; }
 105
 106     // XInterface
 107     virtual com::sun::star::uno::Any SAL_CALL queryInterface(
 108             const com::sun::star::uno::Type& aType )
 109         throw ( com::sun::star::uno::RuntimeException );
 110     virtual void SAL_CALL acquire()
 111         throw ();
 112     virtual void SAL_CALL release()
 113         throw ();
 114
 115     // XTypeProvider (implemnented by base, but needs to be overridden for
 116     //                delegating to aggregate)
 117     virtual com::sun::star::uno::Sequence< com::sun::star::uno::Type > SAL_CALL
 118     getTypes()
 119         throw ( com::sun::star::uno::RuntimeException );
 120     virtual com::sun::star::uno::Sequence< sal_Int8 > SAL_CALL
 121     getImplementationId()
 122         throw ( com::sun::star::uno::RuntimeException );
 123
 124     // XComponent ( one of XStorage bases )
 125     virtual void SAL_CALL
 126     dispose()
 127         throw ( com::sun::star::uno::RuntimeException );
 128     virtual void SAL_CALL
 129     addEventListener( const com::sun::star::uno::Reference<
 130                         com::sun::star::lang::XEventListener > & xListener )
 131         throw ( com::sun::star::uno::RuntimeException );
 132     virtual void SAL_CALL
 133     removeEventListener( const com::sun::star::uno::Reference<
 134                             com::sun::star::lang::XEventListener >& aListener )
 135         throw ( com::sun::star::uno::RuntimeException );
 136
 137     // XNameAccess ( one of XStorage bases )
 138     virtual com::sun::star::uno::Any SAL_CALL
 139     getByName( const rtl::OUString& aName )
 140         throw ( com::sun::star::container::NoSuchElementException,
 141                 com::sun::star::lang::WrappedTargetException,
 142                 com::sun::star::uno::RuntimeException );
 143     virtual com::sun::star::uno::Sequence< rtl::OUString > SAL_CALL
 144     getElementNames()
 145         throw ( com::sun::star::uno::RuntimeException );
 146     virtual sal_Bool SAL_CALL
 147     hasByName( const rtl::OUString& aName )
 148         throw ( com::sun::star::uno::RuntimeException );
 149
 150     // XElementAccess (base of XNameAccess)
 151     virtual com::sun::star::uno::Type SAL_CALL
 152     getElementType()
 153         throw ( com::sun::star::uno::RuntimeException );
 154     virtual sal_Bool SAL_CALL
 155     hasElements()
 156         throw ( com::sun::star::uno::RuntimeException );
 157
 158     // XStorage
 159     virtual void SAL_CALL
 160     copyToStorage( const com::sun::star::uno::Reference<
 161                     com::sun::star::embed::XStorage >& xDest )
 162         throw ( com::sun::star::embed::InvalidStorageException,
 163                 com::sun::star::lang::IllegalArgumentException,
 164                 com::sun::star::io::IOException,
 165                 com::sun::star::embed::StorageWrappedTargetException,
 166                 com::sun::star::uno::RuntimeException );
 167     virtual com::sun::star::uno::Reference< com::sun::star::io::XStream > SAL_CALL
 168     openStreamElement( const ::rtl::OUString& aStreamName,
 169                        sal_Int32 nOpenMode )
 170         throw ( com::sun::star::embed::InvalidStorageException,
 171                 com::sun::star::lang::IllegalArgumentException,
 172                 com::sun::star::packages::WrongPasswordException,
 173                 com::sun::star::io::IOException,
 174                 com::sun::star::embed::StorageWrappedTargetException,
 175                 com::sun::star::uno::RuntimeException );
 176     virtual com::sun::star::uno::Reference< com::sun::star::io::XStream > SAL_CALL
 177     openEncryptedStreamElement( const ::rtl::OUString& aStreamName,
 178                                 sal_Int32 nOpenMode,
 179                                 const ::rtl::OUString& aPassword )
 180         throw ( com::sun::star::embed::InvalidStorageException,
 181                 com::sun::star::lang::IllegalArgumentException,
 182                 com::sun::star::packages::NoEncryptionException,
 183                 com::sun::star::packages::WrongPasswordException,
 184                 com::sun::star::io::IOException,
 185                 com::sun::star::embed::StorageWrappedTargetException,
 186                 com::sun::star::uno::RuntimeException );
 187     virtual com::sun::star::uno::Reference< com::sun::star::embed::XStorage > SAL_CALL
 188     openStorageElement( const ::rtl::OUString& aStorName,
 189                         sal_Int32 nOpenMode )
 190         throw ( com::sun::star::embed::InvalidStorageException,
 191                 com::sun::star::lang::IllegalArgumentException,
 192                 com::sun::star::io::IOException,
 193                 com::sun::star::embed::StorageWrappedTargetException,
 194                 com::sun::star::uno::RuntimeException );
 195     virtual com::sun::star::uno::Reference< com::sun::star::io::XStream > SAL_CALL
 196     cloneStreamElement( const ::rtl::OUString& aStreamName )
 197         throw ( com::sun::star::embed::InvalidStorageException,
 198                 com::sun::star::lang::IllegalArgumentException,
 199                 com::sun::star::packages::WrongPasswordException,
 200                 com::sun::star::io::IOException,
 201                 com::sun::star::embed::StorageWrappedTargetException,
 202                 com::sun::star::uno::RuntimeException );
 203     virtual com::sun::star::uno::Reference< com::sun::star::io::XStream > SAL_CALL
 204     cloneEncryptedStreamElement( const ::rtl::OUString& aStreamName,
 205                                  const ::rtl::OUString& aPassword )
 206         throw ( com::sun::star::embed::InvalidStorageException,
 207                 com::sun::star::lang::IllegalArgumentException,
 208                 com::sun::star::packages::NoEncryptionException,
 209                 com::sun::star::packages::WrongPasswordException,
 210                 com::sun::star::io::IOException,
 211                 com::sun::star::embed::StorageWrappedTargetException,
 212                 com::sun::star::uno::RuntimeException );
 213     virtual void SAL_CALL
 214     copyLastCommitTo( const com::sun::star::uno::Reference<
 215                         com::sun::star::embed::XStorage >& xTargetStorage )
 216         throw ( com::sun::star::embed::InvalidStorageException,
 217                 com::sun::star::lang::IllegalArgumentException,
 218                 com::sun::star::io::IOException,
 219                 com::sun::star::embed::StorageWrappedTargetException,
 220                 com::sun::star::uno::RuntimeException );
 221     virtual void SAL_CALL
 222     copyStorageElementLastCommitTo( const ::rtl::OUString& aStorName,
 223                                     const com::sun::star::uno::Reference<
 224                                         com::sun::star::embed::XStorage > &
 225                                             xTargetStorage )
 226         throw ( com::sun::star::embed::InvalidStorageException,
 227                 com::sun::star::lang::IllegalArgumentException,
 228                 com::sun::star::io::IOException,
 229                 com::sun::star::embed::StorageWrappedTargetException,
 230                 com::sun::star::uno::RuntimeException );
 231     virtual sal_Bool SAL_CALL
 232     isStreamElement( const ::rtl::OUString& aElementName )
 233         throw ( com::sun::star::container::NoSuchElementException,
 234                 com::sun::star::lang::IllegalArgumentException,
 235                 com::sun::star::embed::InvalidStorageException,
 236                 com::sun::star::uno::RuntimeException );
 237     virtual sal_Bool SAL_CALL
 238     isStorageElement( const ::rtl::OUString& aElementName )
 239         throw ( com::sun::star::container::NoSuchElementException,
 240                 com::sun::star::lang::IllegalArgumentException,
 241                 com::sun::star::embed::InvalidStorageException,
 242                 com::sun::star::uno::RuntimeException );
 243     virtual void SAL_CALL
 244     removeElement( const ::rtl::OUString& aElementName )
 245         throw ( com::sun::star::embed::InvalidStorageException,
 246                 com::sun::star::lang::IllegalArgumentException,
 247                 com::sun::star::container::NoSuchElementException,
 248                 com::sun::star::io::IOException,
 249                 com::sun::star::embed::StorageWrappedTargetException,
 250                 com::sun::star::uno::RuntimeException );
 251     virtual void SAL_CALL
 252     renameElement( const ::rtl::OUString& aEleName,
 253                    const ::rtl::OUString& aNewName )
 254         throw ( com::sun::star::embed::InvalidStorageException,
 255                 com::sun::star::lang::IllegalArgumentException,
 256                 com::sun::star::container::NoSuchElementException,
 257                 com::sun::star::container::ElementExistException,
 258                 com::sun::star::io::IOException,
 259                 com::sun::star::embed::StorageWrappedTargetException,
 260                 com::sun::star::uno::RuntimeException );
 261     virtual void SAL_CALL
 262     copyElementTo( const ::rtl::OUString& aElementName,
 263                    const com::sun::star::uno::Reference<
 264                     com::sun::star::embed::XStorage >& xDest,
 265                    const ::rtl::OUString& aNewName )
 266         throw ( com::sun::star::embed::InvalidStorageException,
 267                 com::sun::star::lang::IllegalArgumentException,
 268                 com::sun::star::container::NoSuchElementException,
 269                 com::sun::star::container::ElementExistException,
 270                 com::sun::star::io::IOException,
 271                 com::sun::star::embed::StorageWrappedTargetException,
 272                 com::sun::star::uno::RuntimeException );
 273     virtual void SAL_CALL
 274     moveElementTo( const ::rtl::OUString& aElementName,
 275                    const com::sun::star::uno::Reference<
 276                     com::sun::star::embed::XStorage >& xDest,
 277                    const ::rtl::OUString& rNewName )
 278         throw ( com::sun::star::embed::InvalidStorageException,
 279                 com::sun::star::lang::IllegalArgumentException,
 280                 com::sun::star::container::NoSuchElementException,
 281                 com::sun::star::container::ElementExistException,
 282                 com::sun::star::io::IOException,
 283                 com::sun::star::embed::StorageWrappedTargetException,
 284                 com::sun::star::uno::RuntimeException );
 285
 286     // XTransactedObject
 287     virtual void SAL_CALL commit()
 288         throw ( com::sun::star::io::IOException,
 289                 com::sun::star::lang::WrappedTargetException,
 290                 com::sun::star::uno::RuntimeException );
 291     virtual void SAL_CALL revert()
 292         throw ( com::sun::star::io::IOException,
 293                 com::sun::star::lang::WrappedTargetException,
 294                 com::sun::star::uno::RuntimeException );
 295
 296 private:
 297     Storage( const rtl::Reference< Storage > & rFactory ); // n.i.
 298
 299     rtl::Reference< StorageElementFactory >         m_xFactory;
 300     com::sun::star::uno::Reference<
 301         com::sun::star::uno::XAggregation >         m_xAggProxy;
 302     com::sun::star::uno::Reference<
 303         com::sun::star::embed::XStorage >           m_xWrappedStorage;
 304     com::sun::star::uno::Reference<
 305         com::sun::star::embed::XTransactedObject >  m_xWrappedTransObj;
 306     com::sun::star::uno::Reference<
 307         com::sun::star::lang::XComponent >          m_xWrappedComponent;
 308     com::sun::star::uno::Reference<
 309         com::sun::star::lang::XTypeProvider >       m_xWrappedTypeProv;
 310     bool                                            m_bIsDocumentStorage;
 311
 312     StorageElementFactory::StorageMap::iterator m_aContainerIt;
 313
 314     friend class StorageElementFactory;
 315     friend class std::auto_ptr< Storage >;
 316 };
 317
 318 //=======================================================================
 319
 320 typedef
 321     cppu::WeakImplHelper2<
 322         com::sun::star::io::XOutputStream,
 323         com::sun::star::lang::XComponent > OutputStreamUNOBase;
 324
 325 class OutputStream : public OutputStreamUNOBase, public ParentStorageHolder
 326 {
 327 public:
 328     OutputStream(
 329         const com::sun::star::uno::Reference<
 330             com::sun::star::lang::XMultiServiceFactory > & xSMgr,
 331         const rtl::OUString & rUri,
 332         const com::sun::star::uno::Reference<
 333             com::sun::star::embed::XStorage >  & xParentStorage,
 334         const com::sun::star::uno::Reference<
 335             com::sun::star::io::XOutputStream > & xStreamToWrap );
 336     virtual ~OutputStream();
 337
 338     // XInterface
 339     virtual com::sun::star::uno::Any SAL_CALL
 340     queryInterface( const com::sun::star::uno::Type& aType )
 341         throw ( com::sun::star::uno::RuntimeException );
 342
 343     // XTypeProvider (implemnented by base, but needs to be overridden for
 344     //                delegating to aggregate)
 345     virtual com::sun::star::uno::Sequence< com::sun::star::uno::Type > SAL_CALL
 346     getTypes()
 347         throw ( com::sun::star::uno::RuntimeException );
 348     virtual com::sun::star::uno::Sequence< sal_Int8 > SAL_CALL
 349     getImplementationId()
 350         throw ( com::sun::star::uno::RuntimeException );
 351
 352     // XOutputStream
 353     virtual void SAL_CALL
 354     writeBytes( const com::sun::star::uno::Sequence< sal_Int8 >& aData )
 355         throw ( com::sun::star::io::NotConnectedException,
 356                 com::sun::star::io::BufferSizeExceededException,
 357                 com::sun::star::io::IOException,
 358                 com::sun::star::uno::RuntimeException );
 359     virtual void SAL_CALL
 360     flush(  )
 361         throw ( com::sun::star::io::NotConnectedException,
 362                 com::sun::star::io::BufferSizeExceededException,
 363                 com::sun::star::io::IOException,
 364                 com::sun::star::uno::RuntimeException );
 365     // Note: We need to intercept this one.
 366     virtual void SAL_CALL
 367     closeOutput(  )
 368         throw ( com::sun::star::io::NotConnectedException,
 369                 com::sun::star::io::BufferSizeExceededException,
 370                 com::sun::star::io::IOException,
 371                 com::sun::star::uno::RuntimeException );
 372
 373     // XComponent
 374     // Note: We need to intercept this one.
 375     virtual void SAL_CALL
 376     dispose()
 377         throw ( com::sun::star::uno::RuntimeException );
 378     virtual void SAL_CALL
 379     addEventListener( const com::sun::star::uno::Reference<
 380                         com::sun::star::lang::XEventListener >& xListener )
 381         throw ( com::sun::star::uno::RuntimeException );
 382     virtual void SAL_CALL
 383     removeEventListener( const com::sun::star::uno::Reference<
 384                             com::sun::star::lang::XEventListener >& aListener )
 385         throw ( com::sun::star::uno::RuntimeException );
 386
 387 private:
 388     com::sun::star::uno::Reference<
 389         com::sun::star::uno::XAggregation >     m_xAggProxy;
 390     com::sun::star::uno::Reference<
 391         com::sun::star::io::XOutputStream >     m_xWrappedStream;
 392     com::sun::star::uno::Reference<
 393         com::sun::star::lang::XComponent >      m_xWrappedComponent;
 394     com::sun::star::uno::Reference<
 395         com::sun::star::lang::XTypeProvider >   m_xWrappedTypeProv;
 396 };
 397
 398 //=======================================================================
 399
 400 typedef cppu::WeakImplHelper5< com::sun::star::io::XStream,
 401                                com::sun::star::io::XOutputStream,
 402                                com::sun::star::io::XTruncate,
 403                                com::sun::star::io::XInputStream,
 404                                com::sun::star::lang::XComponent >
 405         StreamUNOBase;
 406
 407 class Stream : public StreamUNOBase, public ParentStorageHolder
 408 {
 409 public:
 410     Stream(
 411         const com::sun::star::uno::Reference<
 412             com::sun::star::lang::XMultiServiceFactory > & xSMgr,
 413         const rtl::OUString & rUri,
 414         const com::sun::star::uno::Reference<
 415             com::sun::star::embed::XStorage >  & xParentStorage,
 416         const com::sun::star::uno::Reference<
 417             com::sun::star::io::XStream > & xStreamToWrap );
 418
 419     virtual ~Stream();
 420
 421     // XInterface
 422     virtual com::sun::star::uno::Any SAL_CALL
 423     queryInterface( const com::sun::star::uno::Type& aType )
 424         throw ( com::sun::star::uno::RuntimeException );
 425
 426     // XTypeProvider (implemnented by base, but needs to be overridden for
 427     //                delegating to aggregate)
 428     virtual com::sun::star::uno::Sequence< com::sun::star::uno::Type > SAL_CALL
 429     getTypes()
 430         throw ( com::sun::star::uno::RuntimeException );
 431     virtual com::sun::star::uno::Sequence< sal_Int8 > SAL_CALL
 432     getImplementationId()
 433         throw ( com::sun::star::uno::RuntimeException );
 434
 435     // XStream
 436     virtual com::sun::star::uno::Reference<
 437         com::sun::star::io::XInputStream > SAL_CALL
 438     getInputStream()
 439         throw( com::sun::star::uno::RuntimeException );
 440
 441     virtual com::sun::star::uno::Reference<
 442         com::sun::star::io::XOutputStream > SAL_CALL
 443     getOutputStream()
 444         throw( com::sun::star::uno::RuntimeException );
 445
 446     // XOutputStream
 447     virtual void SAL_CALL
 448     writeBytes( const com::sun::star::uno::Sequence< sal_Int8 >& aData )
 449         throw( com::sun::star::io::NotConnectedException,
 450                com::sun::star::io::BufferSizeExceededException,
 451                com::sun::star::io::IOException,
 452                com::sun::star::uno::RuntimeException );
 453
 454     virtual void SAL_CALL
 455     flush()
 456         throw( com::sun::star::io::NotConnectedException,
 457                com::sun::star::io::BufferSizeExceededException,
 458                com::sun::star::io::IOException,
 459                com::sun::star::uno::RuntimeException );
 460
 461     virtual void SAL_CALL
 462     closeOutput()
 463         throw( com::sun::star::io::NotConnectedException,
 464                com::sun::star::io::IOException,
 465                com::sun::star::uno::RuntimeException );
 466
 467     // XTruncate
 468     virtual void SAL_CALL
 469     truncate()
 470         throw( com::sun::star::io::IOException,
 471                com::sun::star::uno::RuntimeException );
 472
 473     // XInputStream
 474     virtual sal_Int32 SAL_CALL
 475     readBytes( com::sun::star::uno::Sequence< sal_Int8 >& aData,
 476                sal_Int32 nBytesToRead )
 477         throw( com::sun::star::io::NotConnectedException,
 478                com::sun::star::io::BufferSizeExceededException,
 479                com::sun::star::io::IOException,
 480                com::sun::star::uno::RuntimeException );
 481
 482     virtual sal_Int32 SAL_CALL
 483     readSomeBytes( com::sun::star::uno::Sequence< sal_Int8 >& aData,
 484                    sal_Int32 nMaxBytesToRead )
 485         throw( com::sun::star::io::NotConnectedException,
 486                com::sun::star::io::BufferSizeExceededException,
 487                com::sun::star::io::IOException,
 488                com::sun::star::uno::RuntimeException);
 489
 490     virtual void SAL_CALL
 491     skipBytes( sal_Int32 nBytesToSkip )
 492         throw( com::sun::star::io::NotConnectedException,
 493                com::sun::star::io::BufferSizeExceededException,
 494                com::sun::star::io::IOException,
 495                com::sun::star::uno::RuntimeException );
 496
 497     virtual sal_Int32 SAL_CALL
 498     available()
 499         throw( com::sun::star::io::NotConnectedException,
 500                com::sun::star::io::IOException,
 501                com::sun::star::uno::RuntimeException );
 502
 503     virtual void SAL_CALL
 504     closeInput()
 505         throw( com::sun::star::io::NotConnectedException,
 506                com::sun::star::io::IOException,
 507                com::sun::star::uno::RuntimeException );
 508
 509     // XComponent
 510     // Note: We need to intercept this one.
 511     virtual void SAL_CALL
 512     dispose()
 513         throw ( com::sun::star::uno::RuntimeException );
 514     virtual void SAL_CALL
 515     addEventListener( const com::sun::star::uno::Reference<
 516             com::sun::star::lang::XEventListener >& xListener )
 517         throw ( com::sun::star::uno::RuntimeException );
 518     virtual void SAL_CALL
 519     removeEventListener( const com::sun::star::uno::Reference<
 520             com::sun::star::lang::XEventListener >& aListener )
 521         throw ( com::sun::star::uno::RuntimeException );
 522
 523 private:
 524     void commitChanges()
 525         throw( com::sun::star::io::IOException );
 526
 527     com::sun::star::uno::Reference<
 528         com::sun::star::uno::XAggregation >     m_xAggProxy;
 529     com::sun::star::uno::Reference<
 530         com::sun::star::io::XStream >           m_xWrappedStream;
 531     com::sun::star::uno::Reference<
 532         com::sun::star::io::XOutputStream >     m_xWrappedOutputStream;
 533     com::sun::star::uno::Reference<
 534         com::sun::star::io::XTruncate >         m_xWrappedTruncate;
 535     com::sun::star::uno::Reference<
 536         com::sun::star::io::XInputStream >      m_xWrappedInputStream;
 537     com::sun::star::uno::Reference<
 538         com::sun::star::lang::XComponent >      m_xWrappedComponent;
 539     com::sun::star::uno::Reference<
 540         com::sun::star::lang::XTypeProvider >   m_xWrappedTypeProv;
 541 };
 542
 543 } // namespace tdoc_ucp
 544
 545 #endif /* !INCLUDED_TDOC_STGELEMS_HXX */