package/source/xstor/switchpersistencestream.hxx

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  19 #ifndef INCLUDED_PACKAGE_SOURCE_XSTOR_SWITCHPERSISTENCESTREAM_HXX
  20 #define INCLUDED_PACKAGE_SOURCE_XSTOR_SWITCHPERSISTENCESTREAM_HXX
  21
  22 #include <com/sun/star/uno/Sequence.hxx>
  23 #include <com/sun/star/uno/Reference.hxx>
  24 #include <com/sun/star/io/XInputStream.hpp>
  25 #include <com/sun/star/io/XOutputStream.hpp>
  26 #include <com/sun/star/io/XSeekable.hpp>
  27 #include <com/sun/star/io/XTruncate.hpp>
  28 #include <com/sun/star/io/XStream.hpp>
  29 #include <com/sun/star/embed/XTransactedObject.hpp>
  30 #include <com/sun/star/beans/XPropertySetInfo.hpp>
  31 #include <com/sun/star/beans/XPropertySet.hpp>
  32 #include <com/sun/star/ucb/XSimpleFileAccess.hpp>
  33 #include <com/sun/star/io/XAsyncOutputMonitor.hpp>
  34 #include <osl/mutex.hxx>
  35 #include <cppuhelper/implbase6.hxx>
  36
  37 // SwitchablePersistenceStream
  38
  39 // Allows to switch the stream persistence on the fly. The target
  40 // stream ( if not filled by the implementation ) MUST have the same
  41 // size as the original one!
  42
  43 struct SPStreamData_Impl;
  44 class SwitchablePersistenceStream
  45         : public ::cppu::WeakImplHelper6 <
  46                                         ::com::sun::star::io::XStream,
  47                                         ::com::sun::star::io::XInputStream,
  48                                         ::com::sun::star::io::XOutputStream,
  49                                         ::com::sun::star::io::XTruncate,
  50                                         ::com::sun::star::io::XSeekable,
  51                                         ::com::sun::star::io::XAsyncOutputMonitor >
  52 {
  53     ::osl::Mutex    m_aMutex;
  54
  55     const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext > m_xContext;
  56
  57     SPStreamData_Impl* m_pStreamData;
  58
  59     void CloseAll_Impl();
  60
  61 public:
  62
  63     SwitchablePersistenceStream(
  64         const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext >& xContext,
  65         const ::com::sun::star::uno::Reference< ::com::sun::star::io::XStream >& xStream );
  66
  67     SwitchablePersistenceStream(
  68         const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext >& xContext,
  69         const ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream >& xInStream );
  70
  71     virtual ~SwitchablePersistenceStream();
  72
  73     void SwitchPersistenceTo( const ::com::sun::star::uno::Reference< ::com::sun::star::io::XStream >& xStream );
  74
  75     void SwitchPersistenceTo( const ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream >& xInputStream );
  76
  77     void CopyAndSwitchPersistenceTo( const ::com::sun::star::uno::Reference< ::com::sun::star::io::XStream >& xStream );
  78
  79 // com::sun::star::io::XStream
  80     virtual ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream > SAL_CALL getInputStream(  ) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
  81     virtual ::com::sun::star::uno::Reference< ::com::sun::star::io::XOutputStream > SAL_CALL getOutputStream(  ) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
  82
  83 // com::sun::star::io::XInputStream
  84     virtual ::sal_Int32 SAL_CALL readBytes( ::com::sun::star::uno::Sequence< ::sal_Int8 >& aData, ::sal_Int32 nBytesToRead ) throw (::com::sun::star::io::NotConnectedException, ::com::sun::star::io::BufferSizeExceededException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
  85     virtual ::sal_Int32 SAL_CALL readSomeBytes( ::com::sun::star::uno::Sequence< ::sal_Int8 >& aData, ::sal_Int32 nMaxBytesToRead ) throw (::com::sun::star::io::NotConnectedException, ::com::sun::star::io::BufferSizeExceededException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
  86     virtual void SAL_CALL skipBytes( ::sal_Int32 nBytesToSkip ) throw (::com::sun::star::io::NotConnectedException, ::com::sun::star::io::BufferSizeExceededException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
  87     virtual ::sal_Int32 SAL_CALL available(  ) throw (::com::sun::star::io::NotConnectedException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
  88     virtual void SAL_CALL closeInput(  ) throw (::com::sun::star::io::NotConnectedException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
  89
  90 // com::sun::star::io::XOutputStream
  91     virtual void SAL_CALL writeBytes( const ::com::sun::star::uno::Sequence< ::sal_Int8 >& aData ) throw (::com::sun::star::io::NotConnectedException, ::com::sun::star::io::BufferSizeExceededException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
  92     virtual void SAL_CALL flush(  ) throw (::com::sun::star::io::NotConnectedException, ::com::sun::star::io::BufferSizeExceededException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
  93     virtual void SAL_CALL closeOutput(  ) throw (::com::sun::star::io::NotConnectedException, ::com::sun::star::io::BufferSizeExceededException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
  94
  95 // com::sun::star::io::XTruncate
  96     virtual void SAL_CALL truncate(  ) throw (::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
  97
  98 // com::sun::star::io::XSeekable
  99     virtual void SAL_CALL seek( ::sal_Int64 location ) throw (::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
 100     virtual ::sal_Int64 SAL_CALL getPosition(  ) throw (::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
 101     virtual ::sal_Int64 SAL_CALL getLength(  ) throw (::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
 102
 103 // ::com::sun::star::io::XAsyncOutputMonitor
 104     virtual void SAL_CALL waitForCompletion(  ) throw (::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
 105
 106 };
 107
 108 #endif // INCLUDED_PACKAGE_SOURCE_XSTOR_SWITCHPERSISTENCESTREAM_HXX
 109
 110 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */