package/source/xstor/switchpersistencestream.hxx

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  30 #ifndef _SPSTREAM_HXX
  31 #define _SPSTREAM_HXX
  32
  33 #include <com/sun/star/uno/Sequence.hxx>
  34 #include <com/sun/star/uno/Reference.hxx>
  35 #include <com/sun/star/io/XInputStream.hpp>
  36 #include <com/sun/star/io/XOutputStream.hpp>
  37 #include <com/sun/star/io/XSeekable.hpp>
  38 #include <com/sun/star/io/XTruncate.hpp>
  39 #include <com/sun/star/io/XStream.hpp>
  40 #include <com/sun/star/embed/XTransactedObject.hpp>
  41 #include <com/sun/star/beans/XPropertySetInfo.hpp>
  42 #include <com/sun/star/beans/XPropertySet.hpp>
  43 #include <com/sun/star/ucb/XSimpleFileAccess.hpp>
  44 #include <com/sun/star/io/XAsyncOutputMonitor.hpp>
  45 #include <osl/mutex.hxx>
  46 #include <cppuhelper/implbase6.hxx>
  47
  48 //==================================================================
  49 // SwitchablePersistenceStream
  50 //
  51 // Allows to switch the stream persistence on the fly. The target
  52 // stream ( if not filled by the implementation ) MUST have the same
  53 // size as the original one!
  54 //==================================================================
  55
  56 struct SPStreamData_Impl;
  57 class SwitchablePersistenceStream
  58         : public ::cppu::WeakImplHelper6 <
  59                                         ::com::sun::star::io::XStream,
  60                                         ::com::sun::star::io::XInputStream,
  61                                         ::com::sun::star::io::XOutputStream,
  62                                         ::com::sun::star::io::XTruncate,
  63                                         ::com::sun::star::io::XSeekable,
  64                                         ::com::sun::star::io::XAsyncOutputMonitor >
  65 {
  66     ::osl::Mutex        m_aMutex;
  67
  68     const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory > m_xFactory;
  69
  70     SPStreamData_Impl* m_pStreamData;
  71
  72     void CloseAll_Impl();
  73
  74 public:
  75
  76     SwitchablePersistenceStream(
  77         const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >& xFactory,
  78         const ::com::sun::star::uno::Reference< ::com::sun::star::io::XStream >& xStream );
  79
  80     SwitchablePersistenceStream(
  81         const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >& xFactory,
  82         const ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream >& xInStream );
  83
  84     ~SwitchablePersistenceStream();
  85
  86     void SwitchPersistenceTo( const ::com::sun::star::uno::Reference< ::com::sun::star::io::XStream >& xStream );
  87
  88     void SwitchPersistenceTo( const ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream >& xInputStream );
  89
  90     void CopyAndSwitchPersistenceTo( const ::com::sun::star::uno::Reference< ::com::sun::star::io::XStream >& xStream );
  91
  92 // com::sun::star::io::XStream
  93     virtual ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream > SAL_CALL getInputStream(  ) throw (::com::sun::star::uno::RuntimeException);
  94     virtual ::com::sun::star::uno::Reference< ::com::sun::star::io::XOutputStream > SAL_CALL getOutputStream(  ) throw (::com::sun::star::uno::RuntimeException);
  95
  96 // com::sun::star::io::XInputStream
  97     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);
  98     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);
  99     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);
 100     virtual ::sal_Int32 SAL_CALL available(  ) throw (::com::sun::star::io::NotConnectedException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
 101     virtual void SAL_CALL closeInput(  ) throw (::com::sun::star::io::NotConnectedException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
 102
 103 // com::sun::star::io::XOutputStream
 104     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);
 105     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);
 106     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);
 107
 108 // com::sun::star::io::XTruncate
 109     virtual void SAL_CALL truncate(  ) throw (::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
 110
 111 // com::sun::star::io::XSeekable
 112     virtual void SAL_CALL seek( ::sal_Int64 location ) throw (::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
 113     virtual ::sal_Int64 SAL_CALL getPosition(  ) throw (::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
 114     virtual ::sal_Int64 SAL_CALL getLength(  ) throw (::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
 115
 116 // ::com::sun::star::io::XAsyncOutputMonitor
 117     virtual void SAL_CALL waitForCompletion(  ) throw (::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
 118
 119 };
 120
 121 #endif //_SPSTREAM_HXX
 122
 123