| /************************************************************** |
| * |
| * 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 _UNOTOOLS_STREAMHELPER_HXX_ |
| #define _UNOTOOLS_STREAMHELPER_HXX_ |
| #include <com/sun/star/io/XOutputStream.hpp> |
| #include <com/sun/star/io/XInputStream.hpp> |
| #include <com/sun/star/io/XSeekable.hpp> |
| #include <osl/mutex.hxx> |
| #include <cppuhelper/implbase1.hxx> |
| #include <cppuhelper/implbase2.hxx> |
| #include <tools/stream.hxx> |
| |
| namespace utl |
| { |
| namespace stario = ::com::sun::star::io; |
| namespace staruno = ::com::sun::star::uno; |
| |
| /** |
| * The helper implementation for a using input streams based on SvLockBytes. |
| * |
| * @author Dirk Grobler |
| * @since 00/28/03 |
| */ |
| typedef ::cppu::WeakImplHelper2<stario::XInputStream, stario::XSeekable> InputStreamHelper_Base; |
| // needed for some compilers |
| class UNOTOOLS_DLLPUBLIC OInputStreamHelper : public InputStreamHelper_Base |
| { |
| ::osl::Mutex m_aMutex; |
| SvLockBytesRef m_xLockBytes; |
| sal_uInt32 m_nActPos; |
| sal_Int32 m_nAvailable; // this is typically the chunk(buffer) size |
| |
| public: |
| OInputStreamHelper(const SvLockBytesRef& _xLockBytes, |
| sal_uInt32 _nAvailable, |
| sal_uInt32 _nPos = 0) |
| :m_xLockBytes(_xLockBytes) |
| ,m_nActPos(_nPos) |
| ,m_nAvailable(_nAvailable){} |
| |
| // staruno::XInterface |
| virtual void SAL_CALL acquire() throw (); |
| virtual void SAL_CALL release() throw (); |
| |
| // stario::XInputStream |
| virtual sal_Int32 SAL_CALL readBytes( staruno::Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead ) throw(stario::NotConnectedException, stario::BufferSizeExceededException, stario::IOException, staruno::RuntimeException); |
| virtual sal_Int32 SAL_CALL readSomeBytes( staruno::Sequence< sal_Int8 >& aData, sal_Int32 nMaxBytesToRead ) throw(stario::NotConnectedException, stario::BufferSizeExceededException, stario::IOException, staruno::RuntimeException); |
| virtual void SAL_CALL skipBytes( sal_Int32 nBytesToSkip ) throw(stario::NotConnectedException, stario::BufferSizeExceededException, stario::IOException, staruno::RuntimeException); |
| virtual sal_Int32 SAL_CALL available( ) throw(stario::NotConnectedException, stario::IOException, staruno::RuntimeException); |
| virtual void SAL_CALL closeInput( ) throw (stario::NotConnectedException, stario::IOException, staruno::RuntimeException); |
| |
| virtual void SAL_CALL seek( sal_Int64 location ) 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); |
| }; |
| |
| /** |
| * The helper implementation for a using output streams based on SvLockBytes. |
| * |
| * @author Dirk Grobler |
| * @since 00/28/03 |
| */ |
| typedef ::cppu::WeakImplHelper1<stario::XOutputStream> OutputStreamHelper_Base; |
| // needed for some compilers |
| class UNOTOOLS_DLLPUBLIC OOutputStreamHelper : public OutputStreamHelper_Base |
| { |
| ::osl::Mutex m_aMutex; |
| SvLockBytesRef m_xLockBytes; |
| sal_uInt32 m_nActPos; |
| |
| public: |
| OOutputStreamHelper(const SvLockBytesRef& _xLockBytes, sal_uInt32 _nPos = 0) |
| :m_xLockBytes(_xLockBytes) |
| ,m_nActPos(_nPos){} |
| |
| // staruno::XInterface |
| virtual void SAL_CALL acquire() throw (); |
| virtual void SAL_CALL release() throw (); |
| |
| // stario::XOutputStream |
| virtual void SAL_CALL writeBytes( const staruno::Sequence< sal_Int8 >& aData ) throw(stario::NotConnectedException, stario::BufferSizeExceededException, stario::IOException, staruno::RuntimeException); |
| virtual void SAL_CALL flush( ) throw(stario::NotConnectedException, stario::BufferSizeExceededException, stario::IOException, staruno::RuntimeException); |
| virtual void SAL_CALL closeOutput( ) throw(stario::NotConnectedException, stario::BufferSizeExceededException, stario::IOException, staruno::RuntimeException); |
| }; |
| |
| } // namespace utl |
| |
| |
| #endif // _UNOTOOLS_STREAM_WRAPPER_HXX_ |
| |