ucb/source/ucp/tdoc/tdoc_stgelems.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #ifndef INCLUDED_UCB_SOURCE_UCP_TDOC_TDOC_STGELEMS_HXX
  21 #define INCLUDED_UCB_SOURCE_UCP_TDOC_TDOC_STGELEMS_HXX
  22
  23 #include <memory>
  24
  25 #include "osl/mutex.hxx"
  26 #include "rtl/ref.hxx"
  27
  28 #include "cppuhelper/implbase2.hxx"
  29 #include "cppuhelper/implbase5.hxx"
  30
  31 #include "com/sun/star/embed/XStorage.hpp"
  32 #include "com/sun/star/embed/XTransactedObject.hpp"
  33 #include "com/sun/star/io/XOutputStream.hpp"
  34 #include "com/sun/star/io/XStream.hpp"
  35 #include "com/sun/star/io/XTruncate.hpp"
  36 #include "com/sun/star/lang/XComponent.hpp"
  37
  38 #include "tdoc_storage.hxx"
  39
  40 namespace tdoc_ucp {
  41
  42 struct MutexHolder
  43 {
  44     osl::Mutex m_aMutex;
  45 };
  46
  47
  48
  49 class ParentStorageHolder : public MutexHolder
  50 {
  51 public:
  52     ParentStorageHolder(
  53         const com::sun::star::uno::Reference<
  54             com::sun::star::embed::XStorage > & xParentStorage,
  55         const OUString & rUri );
  56
  57     bool isParentARootStorage() const
  58     { return m_bParentIsRootStorage; }
  59     com::sun::star::uno::Reference< com::sun::star::embed::XStorage >
  60     getParentStorage() const
  61     { return m_xParentStorage; }
  62     void setParentStorage( const com::sun::star::uno::Reference<
  63                             com::sun::star::embed::XStorage > & xStg )
  64     { osl::MutexGuard aGuard( m_aMutex ); m_xParentStorage = xStg; }
  65
  66 private:
  67     com::sun::star::uno::Reference<
  68         com::sun::star::embed::XStorage > m_xParentStorage;
  69     bool                                  m_bParentIsRootStorage;
  70 };
  71
  72
  73
  74 typedef
  75     cppu::WeakImplHelper2<
  76         com::sun::star::embed::XStorage,
  77         com::sun::star::embed::XTransactedObject > StorageUNOBase;
  78
  79 class Storage : public StorageUNOBase, public ParentStorageHolder
  80 {
  81 public:
  82     Storage(
  83         const com::sun::star::uno::Reference<
  84             com::sun::star::uno::XComponentContext > & rxContext,
  85         const rtl::Reference< StorageElementFactory >  & xFactory,
  86         const OUString & rUri,
  87         const com::sun::star::uno::Reference<
  88             com::sun::star::embed::XStorage > & xParentStorage,
  89         const com::sun::star::uno::Reference<
  90             com::sun::star::embed::XStorage > & xStorageToWrap );
  91     virtual ~Storage();
  92
  93     bool isDocumentStorage() const { return m_bIsDocumentStorage; }
  94
  95     // XInterface
  96     virtual com::sun::star::uno::Any SAL_CALL queryInterface(
  97             const com::sun::star::uno::Type& aType )
  98         throw ( com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
  99     virtual void SAL_CALL acquire()
 100         throw () SAL_OVERRIDE;
 101     virtual void SAL_CALL release()
 102         throw () SAL_OVERRIDE;
 103
 104     // XTypeProvider (implemnented by base, but needs to be overridden for
 105     //                delegating to aggregate)
 106     virtual com::sun::star::uno::Sequence< com::sun::star::uno::Type > SAL_CALL
 107     getTypes()
 108         throw ( com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
 109     virtual com::sun::star::uno::Sequence< sal_Int8 > SAL_CALL
 110     getImplementationId()
 111         throw ( com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
 112
 113     // XComponent ( one of XStorage bases )
 114     virtual void SAL_CALL
 115     dispose()
 116         throw ( com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
 117     virtual void SAL_CALL
 118     addEventListener( const com::sun::star::uno::Reference<
 119                         com::sun::star::lang::XEventListener > & xListener )
 120         throw ( com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
 121     virtual void SAL_CALL
 122     removeEventListener( const com::sun::star::uno::Reference<
 123                             com::sun::star::lang::XEventListener >& aListener )
 124         throw ( com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
 125
 126     // XNameAccess ( one of XStorage bases )
 127     virtual com::sun::star::uno::Any SAL_CALL
 128     getByName( const OUString& aName )
 129         throw ( com::sun::star::container::NoSuchElementException,
 130                 com::sun::star::lang::WrappedTargetException,
 131                 com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
 132     virtual com::sun::star::uno::Sequence< OUString > SAL_CALL
 133     getElementNames()
 134         throw ( com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
 135     virtual sal_Bool SAL_CALL
 136     hasByName( const OUString& aName )
 137         throw ( com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
 138
 139     // XElementAccess (base of XNameAccess)
 140     virtual com::sun::star::uno::Type SAL_CALL
 141     getElementType()
 142         throw ( com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
 143     virtual sal_Bool SAL_CALL
 144     hasElements()
 145         throw ( com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
 146
 147     // XStorage
 148     virtual void SAL_CALL
 149     copyToStorage( const com::sun::star::uno::Reference<
 150                     com::sun::star::embed::XStorage >& xDest )
 151         throw ( com::sun::star::embed::InvalidStorageException,
 152                 com::sun::star::lang::IllegalArgumentException,
 153                 com::sun::star::io::IOException,
 154                 com::sun::star::embed::StorageWrappedTargetException,
 155                 com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
 156     virtual com::sun::star::uno::Reference< com::sun::star::io::XStream > SAL_CALL
 157     openStreamElement( const OUString& aStreamName,
 158                        sal_Int32 nOpenMode )
 159         throw ( com::sun::star::embed::InvalidStorageException,
 160                 com::sun::star::lang::IllegalArgumentException,
 161                 com::sun::star::packages::WrongPasswordException,
 162                 com::sun::star::io::IOException,
 163                 com::sun::star::embed::StorageWrappedTargetException,
 164                 com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
 165     virtual com::sun::star::uno::Reference< com::sun::star::io::XStream > SAL_CALL
 166     openEncryptedStreamElement( const OUString& aStreamName,
 167                                 sal_Int32 nOpenMode,
 168                                 const OUString& aPassword )
 169         throw ( com::sun::star::embed::InvalidStorageException,
 170                 com::sun::star::lang::IllegalArgumentException,
 171                 com::sun::star::packages::NoEncryptionException,
 172                 com::sun::star::packages::WrongPasswordException,
 173                 com::sun::star::io::IOException,
 174                 com::sun::star::embed::StorageWrappedTargetException,
 175                 com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
 176     virtual com::sun::star::uno::Reference< com::sun::star::embed::XStorage > SAL_CALL
 177     openStorageElement( const OUString& aStorName,
 178                         sal_Int32 nOpenMode )
 179         throw ( com::sun::star::embed::InvalidStorageException,
 180                 com::sun::star::lang::IllegalArgumentException,
 181                 com::sun::star::io::IOException,
 182                 com::sun::star::embed::StorageWrappedTargetException,
 183                 com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
 184     virtual com::sun::star::uno::Reference< com::sun::star::io::XStream > SAL_CALL
 185     cloneStreamElement( const OUString& aStreamName )
 186         throw ( com::sun::star::embed::InvalidStorageException,
 187                 com::sun::star::lang::IllegalArgumentException,
 188                 com::sun::star::packages::WrongPasswordException,
 189                 com::sun::star::io::IOException,
 190                 com::sun::star::embed::StorageWrappedTargetException,
 191                 com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
 192     virtual com::sun::star::uno::Reference< com::sun::star::io::XStream > SAL_CALL
 193     cloneEncryptedStreamElement( const OUString& aStreamName,
 194                                  const OUString& aPassword )
 195         throw ( com::sun::star::embed::InvalidStorageException,
 196                 com::sun::star::lang::IllegalArgumentException,
 197                 com::sun::star::packages::NoEncryptionException,
 198                 com::sun::star::packages::WrongPasswordException,
 199                 com::sun::star::io::IOException,
 200                 com::sun::star::embed::StorageWrappedTargetException,
 201                 com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
 202     virtual void SAL_CALL
 203     copyLastCommitTo( const com::sun::star::uno::Reference<
 204                         com::sun::star::embed::XStorage >& xTargetStorage )
 205         throw ( com::sun::star::embed::InvalidStorageException,
 206                 com::sun::star::lang::IllegalArgumentException,
 207                 com::sun::star::io::IOException,
 208                 com::sun::star::embed::StorageWrappedTargetException,
 209                 com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
 210     virtual void SAL_CALL
 211     copyStorageElementLastCommitTo( const OUString& aStorName,
 212                                     const com::sun::star::uno::Reference<
 213                                         com::sun::star::embed::XStorage > &
 214                                             xTargetStorage )
 215         throw ( com::sun::star::embed::InvalidStorageException,
 216                 com::sun::star::lang::IllegalArgumentException,
 217                 com::sun::star::io::IOException,
 218                 com::sun::star::embed::StorageWrappedTargetException,
 219                 com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
 220     virtual sal_Bool SAL_CALL
 221     isStreamElement( const OUString& aElementName )
 222         throw ( com::sun::star::container::NoSuchElementException,
 223                 com::sun::star::lang::IllegalArgumentException,
 224                 com::sun::star::embed::InvalidStorageException,
 225                 com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
 226     virtual sal_Bool SAL_CALL
 227     isStorageElement( const OUString& aElementName )
 228         throw ( com::sun::star::container::NoSuchElementException,
 229                 com::sun::star::lang::IllegalArgumentException,
 230                 com::sun::star::embed::InvalidStorageException,
 231                 com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
 232     virtual void SAL_CALL
 233     removeElement( const OUString& aElementName )
 234         throw ( com::sun::star::embed::InvalidStorageException,
 235                 com::sun::star::lang::IllegalArgumentException,
 236                 com::sun::star::container::NoSuchElementException,
 237                 com::sun::star::io::IOException,
 238                 com::sun::star::embed::StorageWrappedTargetException,
 239                 com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
 240     virtual void SAL_CALL
 241     renameElement( const OUString& aEleName,
 242                    const OUString& aNewName )
 243         throw ( com::sun::star::embed::InvalidStorageException,
 244                 com::sun::star::lang::IllegalArgumentException,
 245                 com::sun::star::container::NoSuchElementException,
 246                 com::sun::star::container::ElementExistException,
 247                 com::sun::star::io::IOException,
 248                 com::sun::star::embed::StorageWrappedTargetException,
 249                 com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
 250     virtual void SAL_CALL
 251     copyElementTo( const OUString& aElementName,
 252                    const com::sun::star::uno::Reference<
 253                     com::sun::star::embed::XStorage >& xDest,
 254                    const OUString& aNewName )
 255         throw ( com::sun::star::embed::InvalidStorageException,
 256                 com::sun::star::lang::IllegalArgumentException,
 257                 com::sun::star::container::NoSuchElementException,
 258                 com::sun::star::container::ElementExistException,
 259                 com::sun::star::io::IOException,
 260                 com::sun::star::embed::StorageWrappedTargetException,
 261                 com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
 262     virtual void SAL_CALL
 263     moveElementTo( const OUString& aElementName,
 264                    const com::sun::star::uno::Reference<
 265                     com::sun::star::embed::XStorage >& xDest,
 266                    const OUString& rNewName )
 267         throw ( com::sun::star::embed::InvalidStorageException,
 268                 com::sun::star::lang::IllegalArgumentException,
 269                 com::sun::star::container::NoSuchElementException,
 270                 com::sun::star::container::ElementExistException,
 271                 com::sun::star::io::IOException,
 272                 com::sun::star::embed::StorageWrappedTargetException,
 273                 com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
 274
 275     // XTransactedObject
 276     virtual void SAL_CALL commit()
 277         throw ( com::sun::star::io::IOException,
 278                 com::sun::star::lang::WrappedTargetException,
 279                 com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
 280     virtual void SAL_CALL revert()
 281         throw ( com::sun::star::io::IOException,
 282                 com::sun::star::lang::WrappedTargetException,
 283                 com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
 284
 285 private:
 286     Storage( const rtl::Reference< Storage > & rFactory ); // n.i.
 287
 288     rtl::Reference< StorageElementFactory >         m_xFactory;
 289     com::sun::star::uno::Reference<
 290         com::sun::star::uno::XAggregation >         m_xAggProxy;
 291     com::sun::star::uno::Reference<
 292         com::sun::star::embed::XStorage >           m_xWrappedStorage;
 293     com::sun::star::uno::Reference<
 294         com::sun::star::embed::XTransactedObject >  m_xWrappedTransObj;
 295     com::sun::star::uno::Reference<
 296         com::sun::star::lang::XComponent >          m_xWrappedComponent;
 297     com::sun::star::uno::Reference<
 298         com::sun::star::lang::XTypeProvider >       m_xWrappedTypeProv;
 299     bool                                            m_bIsDocumentStorage;
 300
 301     StorageElementFactory::StorageMap::iterator m_aContainerIt;
 302
 303     friend class StorageElementFactory;
 304     friend class std::unique_ptr< Storage >;
 305 };
 306
 307
 308
 309 typedef
 310     cppu::WeakImplHelper2<
 311         com::sun::star::io::XOutputStream,
 312         com::sun::star::lang::XComponent > OutputStreamUNOBase;
 313
 314 class OutputStream : public OutputStreamUNOBase, public ParentStorageHolder
 315 {
 316 public:
 317     OutputStream(
 318         const com::sun::star::uno::Reference<
 319             com::sun::star::uno::XComponentContext > & rxContext,
 320         const OUString & rUri,
 321         const com::sun::star::uno::Reference<
 322             com::sun::star::embed::XStorage >  & xParentStorage,
 323         const com::sun::star::uno::Reference<
 324             com::sun::star::io::XOutputStream > & xStreamToWrap );
 325     virtual ~OutputStream();
 326
 327     // XInterface
 328     virtual com::sun::star::uno::Any SAL_CALL
 329     queryInterface( const com::sun::star::uno::Type& aType )
 330         throw ( com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
 331
 332     // XTypeProvider (implemnented by base, but needs to be overridden for
 333     //                delegating to aggregate)
 334     virtual com::sun::star::uno::Sequence< com::sun::star::uno::Type > SAL_CALL
 335     getTypes()
 336         throw ( com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
 337     virtual com::sun::star::uno::Sequence< sal_Int8 > SAL_CALL
 338     getImplementationId()
 339         throw ( com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
 340
 341     // XOutputStream
 342     virtual void SAL_CALL
 343     writeBytes( const com::sun::star::uno::Sequence< sal_Int8 >& aData )
 344         throw ( com::sun::star::io::NotConnectedException,
 345                 com::sun::star::io::BufferSizeExceededException,
 346                 com::sun::star::io::IOException,
 347                 com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
 348     virtual void SAL_CALL
 349     flush(  )
 350         throw ( com::sun::star::io::NotConnectedException,
 351                 com::sun::star::io::BufferSizeExceededException,
 352                 com::sun::star::io::IOException,
 353                 com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
 354     // Note: We need to intercept this one.
 355     virtual void SAL_CALL
 356     closeOutput(  )
 357         throw ( com::sun::star::io::NotConnectedException,
 358                 com::sun::star::io::BufferSizeExceededException,
 359                 com::sun::star::io::IOException,
 360                 com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
 361
 362     // XComponent
 363     // Note: We need to intercept this one.
 364     virtual void SAL_CALL
 365     dispose()
 366         throw ( com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
 367     virtual void SAL_CALL
 368     addEventListener( const com::sun::star::uno::Reference<
 369                         com::sun::star::lang::XEventListener >& xListener )
 370         throw ( com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
 371     virtual void SAL_CALL
 372     removeEventListener( const com::sun::star::uno::Reference<
 373                             com::sun::star::lang::XEventListener >& aListener )
 374         throw ( com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
 375
 376 private:
 377     com::sun::star::uno::Reference<
 378         com::sun::star::uno::XAggregation >     m_xAggProxy;
 379     com::sun::star::uno::Reference<
 380         com::sun::star::io::XOutputStream >     m_xWrappedStream;
 381     com::sun::star::uno::Reference<
 382         com::sun::star::lang::XComponent >      m_xWrappedComponent;
 383     com::sun::star::uno::Reference<
 384         com::sun::star::lang::XTypeProvider >   m_xWrappedTypeProv;
 385 };
 386
 387
 388
 389 typedef cppu::WeakImplHelper5< com::sun::star::io::XStream,
 390                                com::sun::star::io::XOutputStream,
 391                                com::sun::star::io::XTruncate,
 392                                com::sun::star::io::XInputStream,
 393                                com::sun::star::lang::XComponent >
 394         StreamUNOBase;
 395
 396 class Stream : public StreamUNOBase, public ParentStorageHolder
 397 {
 398 public:
 399     Stream(
 400         const com::sun::star::uno::Reference<
 401             com::sun::star::uno::XComponentContext > & rxContext,
 402         const OUString & rUri,
 403         const com::sun::star::uno::Reference<
 404             com::sun::star::embed::XStorage >  & xParentStorage,
 405         const com::sun::star::uno::Reference<
 406             com::sun::star::io::XStream > & xStreamToWrap );
 407
 408     virtual ~Stream();
 409
 410     // XInterface
 411     virtual com::sun::star::uno::Any SAL_CALL
 412     queryInterface( const com::sun::star::uno::Type& aType )
 413         throw ( com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
 414
 415     // XTypeProvider (implemnented by base, but needs to be overridden for
 416     //                delegating to aggregate)
 417     virtual com::sun::star::uno::Sequence< com::sun::star::uno::Type > SAL_CALL
 418     getTypes()
 419         throw ( com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
 420     virtual com::sun::star::uno::Sequence< sal_Int8 > SAL_CALL
 421     getImplementationId()
 422         throw ( com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
 423
 424     // XStream
 425     virtual com::sun::star::uno::Reference<
 426         com::sun::star::io::XInputStream > SAL_CALL
 427     getInputStream()
 428         throw( com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
 429
 430     virtual com::sun::star::uno::Reference<
 431         com::sun::star::io::XOutputStream > SAL_CALL
 432     getOutputStream()
 433         throw( com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
 434
 435     // XOutputStream
 436     virtual void SAL_CALL
 437     writeBytes( const com::sun::star::uno::Sequence< sal_Int8 >& aData )
 438         throw( com::sun::star::io::NotConnectedException,
 439                com::sun::star::io::BufferSizeExceededException,
 440                com::sun::star::io::IOException,
 441                com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
 442
 443     virtual void SAL_CALL
 444     flush()
 445         throw( com::sun::star::io::NotConnectedException,
 446                com::sun::star::io::BufferSizeExceededException,
 447                com::sun::star::io::IOException,
 448                com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
 449
 450     virtual void SAL_CALL
 451     closeOutput()
 452         throw( com::sun::star::io::NotConnectedException,
 453                com::sun::star::io::IOException,
 454                com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
 455
 456     // XTruncate
 457     virtual void SAL_CALL
 458     truncate()
 459         throw( com::sun::star::io::IOException,
 460                com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
 461
 462     // XInputStream
 463     virtual sal_Int32 SAL_CALL
 464     readBytes( com::sun::star::uno::Sequence< sal_Int8 >& aData,
 465                sal_Int32 nBytesToRead )
 466         throw( com::sun::star::io::NotConnectedException,
 467                com::sun::star::io::BufferSizeExceededException,
 468                com::sun::star::io::IOException,
 469                com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
 470
 471     virtual sal_Int32 SAL_CALL
 472     readSomeBytes( com::sun::star::uno::Sequence< sal_Int8 >& aData,
 473                    sal_Int32 nMaxBytesToRead )
 474         throw( com::sun::star::io::NotConnectedException,
 475                com::sun::star::io::BufferSizeExceededException,
 476                com::sun::star::io::IOException,
 477                com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
 478
 479     virtual void SAL_CALL
 480     skipBytes( sal_Int32 nBytesToSkip )
 481         throw( com::sun::star::io::NotConnectedException,
 482                com::sun::star::io::BufferSizeExceededException,
 483                com::sun::star::io::IOException,
 484                com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
 485
 486     virtual sal_Int32 SAL_CALL
 487     available()
 488         throw( com::sun::star::io::NotConnectedException,
 489                com::sun::star::io::IOException,
 490                com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
 491
 492     virtual void SAL_CALL
 493     closeInput()
 494         throw( com::sun::star::io::NotConnectedException,
 495                com::sun::star::io::IOException,
 496                com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
 497
 498     // XComponent
 499     // Note: We need to intercept this one.
 500     virtual void SAL_CALL
 501     dispose()
 502         throw ( com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
 503     virtual void SAL_CALL
 504     addEventListener( const com::sun::star::uno::Reference<
 505             com::sun::star::lang::XEventListener >& xListener )
 506         throw ( com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
 507     virtual void SAL_CALL
 508     removeEventListener( const com::sun::star::uno::Reference<
 509             com::sun::star::lang::XEventListener >& aListener )
 510         throw ( com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
 511
 512 private:
 513     void commitChanges()
 514         throw( com::sun::star::io::IOException );
 515
 516     com::sun::star::uno::Reference<
 517         com::sun::star::uno::XAggregation >     m_xAggProxy;
 518     com::sun::star::uno::Reference<
 519         com::sun::star::io::XStream >           m_xWrappedStream;
 520     com::sun::star::uno::Reference<
 521         com::sun::star::io::XOutputStream >     m_xWrappedOutputStream;
 522     com::sun::star::uno::Reference<
 523         com::sun::star::io::XTruncate >         m_xWrappedTruncate;
 524     com::sun::star::uno::Reference<
 525         com::sun::star::io::XInputStream >      m_xWrappedInputStream;
 526     com::sun::star::uno::Reference<
 527         com::sun::star::lang::XComponent >      m_xWrappedComponent;
 528     com::sun::star::uno::Reference<
 529         com::sun::star::lang::XTypeProvider >   m_xWrappedTypeProv;
 530 };
 531
 532 } // namespace tdoc_ucp
 533
 534 #endif // INCLUDED_UCB_SOURCE_UCP_TDOC_TDOC_STGELEMS_HXX
 535
 536 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */