| /************************************************************** |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| *************************************************************/ |
| |
| |
| #include "unotools/unotoolsdllapi.h" |
| |
| #ifndef _UTL_STREAM_WRAPPER_HXX_ |
| #define _UTL_STREAM_WRAPPER_HXX_ |
| #include <osl/mutex.hxx> |
| #include <com/sun/star/io/XOutputStream.hpp> |
| #include <com/sun/star/io/XInputStream.hpp> |
| #include <com/sun/star/io/XSeekable.hpp> |
| #include <com/sun/star/io/XTruncate.hpp> |
| #include <com/sun/star/io/XStream.hpp> |
| #include <cppuhelper/implbase3.hxx> |
| #include <cppuhelper/implbase1.hxx> |
| |
| class SvStream; |
| |
| namespace utl |
| { |
| namespace stario = ::com::sun::star::io; |
| namespace staruno = ::com::sun::star::uno; |
| |
| //================================================================== |
| //= OInputStreamWrapper |
| //================================================================== |
| typedef ::cppu::WeakImplHelper1 < stario::XInputStream |
| > InputStreamWrapper_Base; |
| // needed for some compilers |
| /// helper class for wrapping an SvStream into an <type scope="com.sun.star.io">XInputStream</type> |
| class UNOTOOLS_DLLPUBLIC OInputStreamWrapper : public InputStreamWrapper_Base |
| { |
| protected: |
| ::osl::Mutex m_aMutex; |
| SvStream* m_pSvStream; |
| sal_Bool m_bSvStreamOwner : 1; |
| OInputStreamWrapper() |
| { m_pSvStream = 0; m_bSvStreamOwner = sal_False; } |
| void SetStream(SvStream* _pStream, sal_Bool bOwner ) |
| { m_pSvStream = _pStream; m_bSvStreamOwner = bOwner; } |
| |
| public: |
| OInputStreamWrapper(SvStream& _rStream); |
| OInputStreamWrapper(SvStream* pStream, sal_Bool bOwner=sal_False); |
| virtual ~OInputStreamWrapper(); |
| |
| // stario::XInputStream |
| virtual sal_Int32 SAL_CALL readBytes(staruno::Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead) throw(stario::NotConnectedException, stario::BufferSizeExceededException, staruno::RuntimeException); |
| virtual sal_Int32 SAL_CALL readSomeBytes(staruno::Sequence< sal_Int8 >& aData, sal_Int32 nMaxBytesToRead) throw(stario::NotConnectedException, stario::BufferSizeExceededException, staruno::RuntimeException); |
| virtual void SAL_CALL skipBytes(sal_Int32 nBytesToSkip) throw(stario::NotConnectedException, stario::BufferSizeExceededException, staruno::RuntimeException); |
| virtual sal_Int32 SAL_CALL available() throw(stario::NotConnectedException, staruno::RuntimeException); |
| virtual void SAL_CALL closeInput() throw(stario::NotConnectedException, staruno::RuntimeException); |
| |
| protected: |
| /// throws a NotConnectedException if the object is not connected anymore |
| void checkConnected() const; |
| /// throws an exception according to the error flag of m_pSvStream |
| void checkError() const; |
| }; |
| |
| //================================================================== |
| //= OSeekableInputStreamWrapper |
| //================================================================== |
| typedef ::cppu::ImplHelper1 < ::com::sun::star::io::XSeekable |
| > OSeekableInputStreamWrapper_Base; |
| /** helper class for wrapping an SvStream into an <type scope="com.sun.star.io">XInputStream</type> |
| which is seekable (i.e. supports the <type scope="com.sun.star.io">XSeekable</type> interface). |
| */ |
| class UNOTOOLS_DLLPUBLIC OSeekableInputStreamWrapper : public ::cppu::ImplInheritanceHelper1 < OInputStreamWrapper, com::sun::star::io::XSeekable > |
| { |
| protected: |
| OSeekableInputStreamWrapper() {} |
| public: |
| OSeekableInputStreamWrapper(SvStream& _rStream); |
| OSeekableInputStreamWrapper(SvStream* _pStream, sal_Bool _bOwner = sal_False); |
| |
| // XSeekable |
| virtual void SAL_CALL seek( sal_Int64 _nLocation ) throw (::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException); |
| virtual sal_Int64 SAL_CALL getPosition( ) throw (::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException); |
| virtual sal_Int64 SAL_CALL getLength( ) throw (::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException); |
| }; |
| |
| //================================================================== |
| //= OOutputStreamWrapper |
| //================================================================== |
| typedef ::cppu::WeakImplHelper1<stario::XOutputStream> OutputStreamWrapper_Base; |
| // needed for some compilers |
| class UNOTOOLS_DLLPUBLIC OOutputStreamWrapper : public OutputStreamWrapper_Base |
| { |
| protected: |
| // TODO: thread safety! |
| SvStream& rStream; |
| |
| public: |
| OOutputStreamWrapper(SvStream& _rStream) :rStream(_rStream) { } |
| |
| // stario::XOutputStream |
| virtual void SAL_CALL writeBytes(const staruno::Sequence< sal_Int8 >& aData) throw(stario::NotConnectedException, stario::BufferSizeExceededException, staruno::RuntimeException); |
| virtual void SAL_CALL flush() throw(stario::NotConnectedException, stario::BufferSizeExceededException, staruno::RuntimeException); |
| virtual void SAL_CALL closeOutput() throw(stario::NotConnectedException, stario::BufferSizeExceededException, staruno::RuntimeException); |
| |
| protected: |
| /// throws an exception according to the error flag of m_pSvStream |
| void checkError() const; |
| }; |
| |
| //================================================================== |
| //= OSeekableOutputStreamWrapper |
| //================================================================== |
| typedef ::cppu::ImplHelper1 < ::com::sun::star::io::XSeekable |
| > OSeekableOutputStreamWrapper_Base; |
| /** helper class for wrapping an SvStream into an <type scope="com.sun.star.io">XOutputStream</type> |
| which is seekable (i.e. supports the <type scope="com.sun.star.io">XSeekable</type> interface). |
| */ |
| class UNOTOOLS_DLLPUBLIC OSeekableOutputStreamWrapper |
| :public OOutputStreamWrapper |
| ,public OSeekableOutputStreamWrapper_Base |
| { |
| public: |
| OSeekableOutputStreamWrapper(SvStream& _rStream); |
| |
| // disambiguate XInterface |
| virtual ::com::sun::star::uno::Any SAL_CALL queryInterface( const ::com::sun::star::uno::Type& _rType ) throw (::com::sun::star::uno::RuntimeException); |
| virtual void SAL_CALL acquire( ) throw (); |
| virtual void SAL_CALL release( ) throw (); |
| |
| // XSeekable |
| virtual void SAL_CALL seek( sal_Int64 _nLocation ) throw (::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException); |
| virtual sal_Int64 SAL_CALL getPosition( ) throw (::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException); |
| virtual sal_Int64 SAL_CALL getLength( ) throw (::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException); |
| }; |
| |
| class UNOTOOLS_DLLPUBLIC OStreamWrapper : public ::cppu::ImplInheritanceHelper3 < OSeekableInputStreamWrapper, com::sun::star::io::XStream, com::sun::star::io::XOutputStream, com::sun::star::io::XTruncate > |
| { |
| public: |
| OStreamWrapper(SvStream& _rStream); |
| |
| // stario::XStream |
| virtual ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream > SAL_CALL getInputStream( ) throw (::com::sun::star::uno::RuntimeException); |
| virtual ::com::sun::star::uno::Reference< ::com::sun::star::io::XOutputStream > SAL_CALL getOutputStream( ) throw (::com::sun::star::uno::RuntimeException); |
| |
| // stario::XOutputStream |
| virtual void SAL_CALL writeBytes(const staruno::Sequence< sal_Int8 >& aData) throw(stario::NotConnectedException, stario::BufferSizeExceededException, staruno::RuntimeException); |
| virtual void SAL_CALL flush() throw(stario::NotConnectedException, stario::BufferSizeExceededException, staruno::RuntimeException); |
| virtual void SAL_CALL closeOutput() throw(stario::NotConnectedException, stario::BufferSizeExceededException, staruno::RuntimeException); |
| virtual void SAL_CALL truncate() throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException); |
| }; |
| |
| } |
| // namespace utl |
| |
| #endif // _UTL_STREAM_WRAPPER_HXX_ |
| |
