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19 #ifndef INCLUDED_PACKAGE_SOURCE_XSTOR_SWITCHPERSISTENCESTREAM_HXX
20 #define INCLUDED_PACKAGE_SOURCE_XSTOR_SWITCHPERSISTENCESTREAM_HXX
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/implbase.hxx>
37 // SwitchablePersistenceStream
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!
43 struct SPStreamData_Impl
;
44 class SwitchablePersistenceStream
45 : public ::cppu::WeakImplHelper
<
47 css::io::XInputStream
,
48 css::io::XOutputStream
,
51 css::io::XAsyncOutputMonitor
>
53 ::osl::Mutex m_aMutex
;
55 const css::uno::Reference
< css::uno::XComponentContext
> m_xContext
;
57 std::unique_ptr
<SPStreamData_Impl
> m_pStreamData
;
63 SwitchablePersistenceStream(
64 const css::uno::Reference
< css::uno::XComponentContext
>& xContext
,
65 const css::uno::Reference
< css::io::XStream
>& xStream
);
67 SwitchablePersistenceStream(
68 const css::uno::Reference
< css::uno::XComponentContext
>& xContext
,
69 const css::uno::Reference
< css::io::XInputStream
>& xInStream
);
71 virtual ~SwitchablePersistenceStream() override
;
73 void SwitchPersistenceTo( const css::uno::Reference
< css::io::XStream
>& xStream
);
75 void SwitchPersistenceTo( const css::uno::Reference
< css::io::XInputStream
>& xInputStream
);
77 void CopyAndSwitchPersistenceTo( const css::uno::Reference
< css::io::XStream
>& xStream
);
80 virtual css::uno::Reference
< css::io::XInputStream
> SAL_CALL
getInputStream( ) override
;
81 virtual css::uno::Reference
< css::io::XOutputStream
> SAL_CALL
getOutputStream( ) override
;
83 // css::io::XInputStream
84 virtual ::sal_Int32 SAL_CALL
readBytes( css::uno::Sequence
< ::sal_Int8
>& aData
, ::sal_Int32 nBytesToRead
) override
;
85 virtual ::sal_Int32 SAL_CALL
readSomeBytes( css::uno::Sequence
< ::sal_Int8
>& aData
, ::sal_Int32 nMaxBytesToRead
) override
;
86 virtual void SAL_CALL
skipBytes( ::sal_Int32 nBytesToSkip
) override
;
87 virtual ::sal_Int32 SAL_CALL
available( ) override
;
88 virtual void SAL_CALL
closeInput( ) override
;
90 // css::io::XOutputStream
91 virtual void SAL_CALL
writeBytes( const css::uno::Sequence
< ::sal_Int8
>& aData
) override
;
92 virtual void SAL_CALL
flush( ) override
;
93 virtual void SAL_CALL
closeOutput( ) override
;
96 virtual void SAL_CALL
truncate( ) override
;
99 virtual void SAL_CALL
seek( ::sal_Int64 location
) override
;
100 virtual ::sal_Int64 SAL_CALL
getPosition( ) override
;
101 virtual ::sal_Int64 SAL_CALL
getLength( ) override
;
103 // css::io::XAsyncOutputMonitor
104 virtual void SAL_CALL
waitForCompletion( ) override
;
108 #endif // INCLUDED_PACKAGE_SOURCE_XSTOR_SWITCHPERSISTENCESTREAM_HXX
110 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */