ucb/source/ucp/tdoc/tdoc_stgelems.hxx

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  28
  29 #ifndef INCLUDED_TDOC_STGELEMS_HXX
  30 #define INCLUDED_TDOC_STGELEMS_HXX
  31
  32 #include <memory>
  33
  34 #include "osl/mutex.hxx"
  35 #include "rtl/ref.hxx"
  36
  37 #include "cppuhelper/implbase2.hxx"
  38 #include "cppuhelper/implbase5.hxx"
  39
  40 #include "com/sun/star/embed/XStorage.hpp"
  41 #include "com/sun/star/embed/XTransactedObject.hpp"
  42 #include "com/sun/star/io/XOutputStream.hpp"
  43 #include "com/sun/star/io/XStream.hpp"
  44 #include "com/sun/star/io/XTruncate.hpp"
  45 #include "com/sun/star/lang/XComponent.hpp"
  46
  47 #include "tdoc_storage.hxx"
  48
  49 namespace tdoc_ucp {
  50
  51 struct MutexHolder
  52 {
  53     osl::Mutex m_aMutex;
  54 };
  55
  56 //=======================================================================
  57
  58 class ParentStorageHolder : public MutexHolder
  59 {
  60 public:
  61     ParentStorageHolder(
  62         const com::sun::star::uno::Reference<
  63             com::sun::star::embed::XStorage > & xParentStorage,
  64         const rtl::OUString & rUri );
  65
  66     bool isParentARootStorage() const
  67     { return m_bParentIsRootStorage; }
  68     com::sun::star::uno::Reference< com::sun::star::embed::XStorage >
  69     getParentStorage() const
  70     { return m_xParentStorage; }
  71     void setParentStorage( const com::sun::star::uno::Reference<
  72                             com::sun::star::embed::XStorage > & xStg )
  73     { osl::MutexGuard aGuard( m_aMutex ); m_xParentStorage = xStg; }
  74
  75 private:
  76     com::sun::star::uno::Reference<
  77         com::sun::star::embed::XStorage > m_xParentStorage;
  78     bool                                  m_bParentIsRootStorage;
  79 };
  80
  81 //=======================================================================
  82
  83 typedef
  84     cppu::WeakImplHelper2<
  85         com::sun::star::embed::XStorage,
  86         com::sun::star::embed::XTransactedObject > StorageUNOBase;
  87
  88 class Storage : public StorageUNOBase, public ParentStorageHolder
  89 {
  90 public:
  91     Storage(
  92         const com::sun::star::uno::Reference<
  93             com::sun::star::lang::XMultiServiceFactory > & xSMgr,
  94         const rtl::Reference< StorageElementFactory >  & xFactory,
  95         const rtl::OUString & rUri,
  96         const com::sun::star::uno::Reference<
  97             com::sun::star::embed::XStorage > & xParentStorage,
  98         const com::sun::star::uno::Reference<
  99             com::sun::star::embed::XStorage > & xStorageToWrap );
 100     virtual ~Storage();
 101
 102     bool isDocumentStorage() const { return m_bIsDocumentStorage; }
 103
 104     // XInterface
 105     virtual com::sun::star::uno::Any SAL_CALL queryInterface(
 106             const com::sun::star::uno::Type& aType )
 107         throw ( com::sun::star::uno::RuntimeException );
 108     virtual void SAL_CALL acquire()
 109         throw ();
 110     virtual void SAL_CALL release()
 111         throw ();
 112
 113     // XTypeProvider (implemnented by base, but needs to be overridden for
 114     //                delegating to aggregate)
 115     virtual com::sun::star::uno::Sequence< com::sun::star::uno::Type > SAL_CALL
 116     getTypes()
 117         throw ( com::sun::star::uno::RuntimeException );
 118     virtual com::sun::star::uno::Sequence< sal_Int8 > SAL_CALL
 119     getImplementationId()
 120         throw ( com::sun::star::uno::RuntimeException );
 121
 122     // XComponent ( one of XStorage bases )
 123     virtual void SAL_CALL
 124     dispose()
 125         throw ( com::sun::star::uno::RuntimeException );
 126     virtual void SAL_CALL
 127     addEventListener( const com::sun::star::uno::Reference<
 128                         com::sun::star::lang::XEventListener > & xListener )
 129         throw ( com::sun::star::uno::RuntimeException );
 130     virtual void SAL_CALL
 131     removeEventListener( const com::sun::star::uno::Reference<
 132                             com::sun::star::lang::XEventListener >& aListener )
 133         throw ( com::sun::star::uno::RuntimeException );
 134
 135     // XNameAccess ( one of XStorage bases )
 136     virtual com::sun::star::uno::Any SAL_CALL
 137     getByName( const rtl::OUString& aName )
 138         throw ( com::sun::star::container::NoSuchElementException,
 139                 com::sun::star::lang::WrappedTargetException,
 140                 com::sun::star::uno::RuntimeException );
 141     virtual com::sun::star::uno::Sequence< rtl::OUString > SAL_CALL
 142     getElementNames()
 143         throw ( com::sun::star::uno::RuntimeException );
 144     virtual sal_Bool SAL_CALL
 145     hasByName( const rtl::OUString& aName )
 146         throw ( com::sun::star::uno::RuntimeException );
 147
 148     // XElementAccess (base of XNameAccess)
 149     virtual com::sun::star::uno::Type SAL_CALL
 150     getElementType()
 151         throw ( com::sun::star::uno::RuntimeException );
 152     virtual sal_Bool SAL_CALL
 153     hasElements()
 154         throw ( com::sun::star::uno::RuntimeException );
 155
 156     // XStorage
 157     virtual void SAL_CALL
 158     copyToStorage( const com::sun::star::uno::Reference<
 159                     com::sun::star::embed::XStorage >& xDest )
 160         throw ( com::sun::star::embed::InvalidStorageException,
 161                 com::sun::star::lang::IllegalArgumentException,
 162                 com::sun::star::io::IOException,
 163                 com::sun::star::embed::StorageWrappedTargetException,
 164                 com::sun::star::uno::RuntimeException );
 165     virtual com::sun::star::uno::Reference< com::sun::star::io::XStream > SAL_CALL
 166     openStreamElement( const ::rtl::OUString& aStreamName,
 167                        sal_Int32 nOpenMode )
 168         throw ( com::sun::star::embed::InvalidStorageException,
 169                 com::sun::star::lang::IllegalArgumentException,
 170                 com::sun::star::packages::WrongPasswordException,
 171                 com::sun::star::io::IOException,
 172                 com::sun::star::embed::StorageWrappedTargetException,
 173                 com::sun::star::uno::RuntimeException );
 174     virtual com::sun::star::uno::Reference< com::sun::star::io::XStream > SAL_CALL
 175     openEncryptedStreamElement( const ::rtl::OUString& aStreamName,
 176                                 sal_Int32 nOpenMode,
 177                                 const ::rtl::OUString& aPassword )
 178         throw ( com::sun::star::embed::InvalidStorageException,
 179                 com::sun::star::lang::IllegalArgumentException,
 180                 com::sun::star::packages::NoEncryptionException,
 181                 com::sun::star::packages::WrongPasswordException,
 182                 com::sun::star::io::IOException,
 183                 com::sun::star::embed::StorageWrappedTargetException,
 184                 com::sun::star::uno::RuntimeException );
 185     virtual com::sun::star::uno::Reference< com::sun::star::embed::XStorage > SAL_CALL
 186     openStorageElement( const ::rtl::OUString& aStorName,
 187                         sal_Int32 nOpenMode )
 188         throw ( com::sun::star::embed::InvalidStorageException,
 189                 com::sun::star::lang::IllegalArgumentException,
 190                 com::sun::star::io::IOException,
 191                 com::sun::star::embed::StorageWrappedTargetException,
 192                 com::sun::star::uno::RuntimeException );
 193     virtual com::sun::star::uno::Reference< com::sun::star::io::XStream > SAL_CALL
 194     cloneStreamElement( const ::rtl::OUString& aStreamName )
 195         throw ( com::sun::star::embed::InvalidStorageException,
 196                 com::sun::star::lang::IllegalArgumentException,
 197                 com::sun::star::packages::WrongPasswordException,
 198                 com::sun::star::io::IOException,
 199                 com::sun::star::embed::StorageWrappedTargetException,
 200                 com::sun::star::uno::RuntimeException );
 201     virtual com::sun::star::uno::Reference< com::sun::star::io::XStream > SAL_CALL
 202     cloneEncryptedStreamElement( const ::rtl::OUString& aStreamName,
 203                                  const ::rtl::OUString& aPassword )
 204         throw ( com::sun::star::embed::InvalidStorageException,
 205                 com::sun::star::lang::IllegalArgumentException,
 206                 com::sun::star::packages::NoEncryptionException,
 207                 com::sun::star::packages::WrongPasswordException,
 208                 com::sun::star::io::IOException,
 209                 com::sun::star::embed::StorageWrappedTargetException,
 210                 com::sun::star::uno::RuntimeException );
 211     virtual void SAL_CALL
 212     copyLastCommitTo( const com::sun::star::uno::Reference<
 213                         com::sun::star::embed::XStorage >& xTargetStorage )
 214         throw ( com::sun::star::embed::InvalidStorageException,
 215                 com::sun::star::lang::IllegalArgumentException,
 216                 com::sun::star::io::IOException,
 217                 com::sun::star::embed::StorageWrappedTargetException,
 218                 com::sun::star::uno::RuntimeException );
 219     virtual void SAL_CALL
 220     copyStorageElementLastCommitTo( const ::rtl::OUString& aStorName,
 221                                     const com::sun::star::uno::Reference<
 222                                         com::sun::star::embed::XStorage > &
 223                                             xTargetStorage )
 224         throw ( com::sun::star::embed::InvalidStorageException,
 225                 com::sun::star::lang::IllegalArgumentException,
 226                 com::sun::star::io::IOException,
 227                 com::sun::star::embed::StorageWrappedTargetException,
 228                 com::sun::star::uno::RuntimeException );
 229     virtual sal_Bool SAL_CALL
 230     isStreamElement( const ::rtl::OUString& aElementName )
 231         throw ( com::sun::star::container::NoSuchElementException,
 232                 com::sun::star::lang::IllegalArgumentException,
 233                 com::sun::star::embed::InvalidStorageException,
 234                 com::sun::star::uno::RuntimeException );
 235     virtual sal_Bool SAL_CALL
 236     isStorageElement( const ::rtl::OUString& aElementName )
 237         throw ( com::sun::star::container::NoSuchElementException,
 238                 com::sun::star::lang::IllegalArgumentException,
 239                 com::sun::star::embed::InvalidStorageException,
 240                 com::sun::star::uno::RuntimeException );
 241     virtual void SAL_CALL
 242     removeElement( const ::rtl::OUString& aElementName )
 243         throw ( com::sun::star::embed::InvalidStorageException,
 244                 com::sun::star::lang::IllegalArgumentException,
 245                 com::sun::star::container::NoSuchElementException,
 246                 com::sun::star::io::IOException,
 247                 com::sun::star::embed::StorageWrappedTargetException,
 248                 com::sun::star::uno::RuntimeException );
 249     virtual void SAL_CALL
 250     renameElement( const ::rtl::OUString& aEleName,
 251                    const ::rtl::OUString& aNewName )
 252         throw ( com::sun::star::embed::InvalidStorageException,
 253                 com::sun::star::lang::IllegalArgumentException,
 254                 com::sun::star::container::NoSuchElementException,
 255                 com::sun::star::container::ElementExistException,
 256                 com::sun::star::io::IOException,
 257                 com::sun::star::embed::StorageWrappedTargetException,
 258                 com::sun::star::uno::RuntimeException );
 259     virtual void SAL_CALL
 260     copyElementTo( const ::rtl::OUString& aElementName,
 261                    const com::sun::star::uno::Reference<
 262                     com::sun::star::embed::XStorage >& xDest,
 263                    const ::rtl::OUString& aNewName )
 264         throw ( com::sun::star::embed::InvalidStorageException,
 265                 com::sun::star::lang::IllegalArgumentException,
 266                 com::sun::star::container::NoSuchElementException,
 267                 com::sun::star::container::ElementExistException,
 268                 com::sun::star::io::IOException,
 269                 com::sun::star::embed::StorageWrappedTargetException,
 270                 com::sun::star::uno::RuntimeException );
 271     virtual void SAL_CALL
 272     moveElementTo( const ::rtl::OUString& aElementName,
 273                    const com::sun::star::uno::Reference<
 274                     com::sun::star::embed::XStorage >& xDest,
 275                    const ::rtl::OUString& rNewName )
 276         throw ( com::sun::star::embed::InvalidStorageException,
 277                 com::sun::star::lang::IllegalArgumentException,
 278                 com::sun::star::container::NoSuchElementException,
 279                 com::sun::star::container::ElementExistException,
 280                 com::sun::star::io::IOException,
 281                 com::sun::star::embed::StorageWrappedTargetException,
 282                 com::sun::star::uno::RuntimeException );
 283
 284     // XTransactedObject
 285     virtual void SAL_CALL commit()
 286         throw ( com::sun::star::io::IOException,
 287                 com::sun::star::lang::WrappedTargetException,
 288                 com::sun::star::uno::RuntimeException );
 289     virtual void SAL_CALL revert()
 290         throw ( com::sun::star::io::IOException,
 291                 com::sun::star::lang::WrappedTargetException,
 292                 com::sun::star::uno::RuntimeException );
 293
 294 private:
 295     Storage( const rtl::Reference< Storage > & rFactory ); // n.i.
 296
 297     rtl::Reference< StorageElementFactory >         m_xFactory;
 298     com::sun::star::uno::Reference<
 299         com::sun::star::uno::XAggregation >         m_xAggProxy;
 300     com::sun::star::uno::Reference<
 301         com::sun::star::embed::XStorage >           m_xWrappedStorage;
 302     com::sun::star::uno::Reference<
 303         com::sun::star::embed::XTransactedObject >  m_xWrappedTransObj;
 304     com::sun::star::uno::Reference<
 305         com::sun::star::lang::XComponent >          m_xWrappedComponent;
 306     com::sun::star::uno::Reference<
 307         com::sun::star::lang::XTypeProvider >       m_xWrappedTypeProv;
 308     bool                                            m_bIsDocumentStorage;
 309
 310     StorageElementFactory::StorageMap::iterator m_aContainerIt;
 311
 312     friend class StorageElementFactory;
 313     friend class std::auto_ptr< Storage >;
 314 };
 315
 316 //=======================================================================
 317
 318 typedef
 319     cppu::WeakImplHelper2<
 320         com::sun::star::io::XOutputStream,
 321         com::sun::star::lang::XComponent > OutputStreamUNOBase;
 322
 323 class OutputStream : public OutputStreamUNOBase, public ParentStorageHolder
 324 {
 325 public:
 326     OutputStream(
 327         const com::sun::star::uno::Reference<
 328             com::sun::star::lang::XMultiServiceFactory > & xSMgr,
 329         const rtl::OUString & rUri,
 330         const com::sun::star::uno::Reference<
 331             com::sun::star::embed::XStorage >  & xParentStorage,
 332         const com::sun::star::uno::Reference<
 333             com::sun::star::io::XOutputStream > & xStreamToWrap );
 334     virtual ~OutputStream();
 335
 336     // XInterface
 337     virtual com::sun::star::uno::Any SAL_CALL
 338     queryInterface( const com::sun::star::uno::Type& aType )
 339         throw ( com::sun::star::uno::RuntimeException );
 340
 341     // XTypeProvider (implemnented by base, but needs to be overridden for
 342     //                delegating to aggregate)
 343     virtual com::sun::star::uno::Sequence< com::sun::star::uno::Type > SAL_CALL
 344     getTypes()
 345         throw ( com::sun::star::uno::RuntimeException );
 346     virtual com::sun::star::uno::Sequence< sal_Int8 > SAL_CALL
 347     getImplementationId()
 348         throw ( com::sun::star::uno::RuntimeException );
 349
 350     // XOutputStream
 351     virtual void SAL_CALL
 352     writeBytes( const com::sun::star::uno::Sequence< sal_Int8 >& aData )
 353         throw ( com::sun::star::io::NotConnectedException,
 354                 com::sun::star::io::BufferSizeExceededException,
 355                 com::sun::star::io::IOException,
 356                 com::sun::star::uno::RuntimeException );
 357     virtual void SAL_CALL
 358     flush(  )
 359         throw ( com::sun::star::io::NotConnectedException,
 360                 com::sun::star::io::BufferSizeExceededException,
 361                 com::sun::star::io::IOException,
 362                 com::sun::star::uno::RuntimeException );
 363     // Note: We need to intercept this one.
 364     virtual void SAL_CALL
 365     closeOutput(  )
 366         throw ( com::sun::star::io::NotConnectedException,
 367                 com::sun::star::io::BufferSizeExceededException,
 368                 com::sun::star::io::IOException,
 369                 com::sun::star::uno::RuntimeException );
 370
 371     // XComponent
 372     // Note: We need to intercept this one.
 373     virtual void SAL_CALL
 374     dispose()
 375         throw ( com::sun::star::uno::RuntimeException );
 376     virtual void SAL_CALL
 377     addEventListener( const com::sun::star::uno::Reference<
 378                         com::sun::star::lang::XEventListener >& xListener )
 379         throw ( com::sun::star::uno::RuntimeException );
 380     virtual void SAL_CALL
 381     removeEventListener( const com::sun::star::uno::Reference<
 382                             com::sun::star::lang::XEventListener >& aListener )
 383         throw ( com::sun::star::uno::RuntimeException );
 384
 385 private:
 386     com::sun::star::uno::Reference<
 387         com::sun::star::uno::XAggregation >     m_xAggProxy;
 388     com::sun::star::uno::Reference<
 389         com::sun::star::io::XOutputStream >     m_xWrappedStream;
 390     com::sun::star::uno::Reference<
 391         com::sun::star::lang::XComponent >      m_xWrappedComponent;
 392     com::sun::star::uno::Reference<
 393         com::sun::star::lang::XTypeProvider >   m_xWrappedTypeProv;
 394 };
 395
 396 //=======================================================================
 397
 398 typedef cppu::WeakImplHelper5< com::sun::star::io::XStream,
 399                                com::sun::star::io::XOutputStream,
 400                                com::sun::star::io::XTruncate,
 401                                com::sun::star::io::XInputStream,
 402                                com::sun::star::lang::XComponent >
 403         StreamUNOBase;
 404
 405 class Stream : public StreamUNOBase, public ParentStorageHolder
 406 {
 407 public:
 408     Stream(
 409         const com::sun::star::uno::Reference<
 410             com::sun::star::lang::XMultiServiceFactory > & xSMgr,
 411         const rtl::OUString & rUri,
 412         const com::sun::star::uno::Reference<
 413             com::sun::star::embed::XStorage >  & xParentStorage,
 414         const com::sun::star::uno::Reference<
 415             com::sun::star::io::XStream > & xStreamToWrap );
 416
 417     virtual ~Stream();
 418
 419     // XInterface
 420     virtual com::sun::star::uno::Any SAL_CALL
 421     queryInterface( const com::sun::star::uno::Type& aType )
 422         throw ( com::sun::star::uno::RuntimeException );
 423
 424     // XTypeProvider (implemnented by base, but needs to be overridden for
 425     //                delegating to aggregate)
 426     virtual com::sun::star::uno::Sequence< com::sun::star::uno::Type > SAL_CALL
 427     getTypes()
 428         throw ( com::sun::star::uno::RuntimeException );
 429     virtual com::sun::star::uno::Sequence< sal_Int8 > SAL_CALL
 430     getImplementationId()
 431         throw ( com::sun::star::uno::RuntimeException );
 432
 433     // XStream
 434     virtual com::sun::star::uno::Reference<
 435         com::sun::star::io::XInputStream > SAL_CALL
 436     getInputStream()
 437         throw( com::sun::star::uno::RuntimeException );
 438
 439     virtual com::sun::star::uno::Reference<
 440         com::sun::star::io::XOutputStream > SAL_CALL
 441     getOutputStream()
 442         throw( com::sun::star::uno::RuntimeException );
 443
 444     // XOutputStream
 445     virtual void SAL_CALL
 446     writeBytes( const com::sun::star::uno::Sequence< sal_Int8 >& aData )
 447         throw( com::sun::star::io::NotConnectedException,
 448                com::sun::star::io::BufferSizeExceededException,
 449                com::sun::star::io::IOException,
 450                com::sun::star::uno::RuntimeException );
 451
 452     virtual void SAL_CALL
 453     flush()
 454         throw( com::sun::star::io::NotConnectedException,
 455                com::sun::star::io::BufferSizeExceededException,
 456                com::sun::star::io::IOException,
 457                com::sun::star::uno::RuntimeException );
 458
 459     virtual void SAL_CALL
 460     closeOutput()
 461         throw( com::sun::star::io::NotConnectedException,
 462                com::sun::star::io::IOException,
 463                com::sun::star::uno::RuntimeException );
 464
 465     // XTruncate
 466     virtual void SAL_CALL
 467     truncate()
 468         throw( com::sun::star::io::IOException,
 469                com::sun::star::uno::RuntimeException );
 470
 471     // XInputStream
 472     virtual sal_Int32 SAL_CALL
 473     readBytes( com::sun::star::uno::Sequence< sal_Int8 >& aData,
 474                sal_Int32 nBytesToRead )
 475         throw( com::sun::star::io::NotConnectedException,
 476                com::sun::star::io::BufferSizeExceededException,
 477                com::sun::star::io::IOException,
 478                com::sun::star::uno::RuntimeException );
 479
 480     virtual sal_Int32 SAL_CALL
 481     readSomeBytes( com::sun::star::uno::Sequence< sal_Int8 >& aData,
 482                    sal_Int32 nMaxBytesToRead )
 483         throw( com::sun::star::io::NotConnectedException,
 484                com::sun::star::io::BufferSizeExceededException,
 485                com::sun::star::io::IOException,
 486                com::sun::star::uno::RuntimeException);
 487
 488     virtual void SAL_CALL
 489     skipBytes( sal_Int32 nBytesToSkip )
 490         throw( com::sun::star::io::NotConnectedException,
 491                com::sun::star::io::BufferSizeExceededException,
 492                com::sun::star::io::IOException,
 493                com::sun::star::uno::RuntimeException );
 494
 495     virtual sal_Int32 SAL_CALL
 496     available()
 497         throw( com::sun::star::io::NotConnectedException,
 498                com::sun::star::io::IOException,
 499                com::sun::star::uno::RuntimeException );
 500
 501     virtual void SAL_CALL
 502     closeInput()
 503         throw( com::sun::star::io::NotConnectedException,
 504                com::sun::star::io::IOException,
 505                com::sun::star::uno::RuntimeException );
 506
 507     // XComponent
 508     // Note: We need to intercept this one.
 509     virtual void SAL_CALL
 510     dispose()
 511         throw ( com::sun::star::uno::RuntimeException );
 512     virtual void SAL_CALL
 513     addEventListener( const com::sun::star::uno::Reference<
 514             com::sun::star::lang::XEventListener >& xListener )
 515         throw ( com::sun::star::uno::RuntimeException );
 516     virtual void SAL_CALL
 517     removeEventListener( const com::sun::star::uno::Reference<
 518             com::sun::star::lang::XEventListener >& aListener )
 519         throw ( com::sun::star::uno::RuntimeException );
 520
 521 private:
 522     void commitChanges()
 523         throw( com::sun::star::io::IOException );
 524
 525     com::sun::star::uno::Reference<
 526         com::sun::star::uno::XAggregation >     m_xAggProxy;
 527     com::sun::star::uno::Reference<
 528         com::sun::star::io::XStream >           m_xWrappedStream;
 529     com::sun::star::uno::Reference<
 530         com::sun::star::io::XOutputStream >     m_xWrappedOutputStream;
 531     com::sun::star::uno::Reference<
 532         com::sun::star::io::XTruncate >         m_xWrappedTruncate;
 533     com::sun::star::uno::Reference<
 534         com::sun::star::io::XInputStream >      m_xWrappedInputStream;
 535     com::sun::star::uno::Reference<
 536         com::sun::star::lang::XComponent >      m_xWrappedComponent;
 537     com::sun::star::uno::Reference<
 538         com::sun::star::lang::XTypeProvider >   m_xWrappedTypeProv;
 539 };
 540
 541 } // namespace tdoc_ucp
 542
 543 #endif /* !INCLUDED_TDOC_STGELEMS_HXX */
 544
 545 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */