| /************************************************************** |
| * |
| * 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 <cppuhelper/weak.hxx> |
| #include <osl/mutex.hxx> |
| #include <com/sun/star/io/XInputStream.hpp> |
| #include <com/sun/star/io/XSeekable.hpp> |
| |
| |
| namespace chelp { |
| |
| class BufferedInputStream |
| : public cppu::OWeakObject, |
| public com::sun::star::io::XInputStream, |
| public com::sun::star::io::XSeekable |
| { |
| private: |
| |
| sal_Int32 m_nBufferLocation; |
| sal_Int32 m_nBufferSize; |
| sal_Int8 *m_pBuffer; |
| osl::Mutex m_aMutex; |
| |
| public: |
| |
| BufferedInputStream( |
| const com::sun::star::uno::Reference<com::sun::star::io::XInputStream>& xInputStream); |
| |
| ~BufferedInputStream(); |
| |
| 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( void ) throw(); |
| |
| virtual void SAL_CALL release( void ) throw(); |
| |
| |
| 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 ); |
| |
| 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 ); |
| |
| 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 ); |
| |
| virtual sal_Int32 SAL_CALL available( void ) |
| throw( com::sun::star::io::NotConnectedException, |
| com::sun::star::io::IOException, |
| com::sun::star::uno::RuntimeException ); |
| |
| virtual void SAL_CALL closeInput( void ) |
| throw( com::sun::star::io::NotConnectedException, |
| com::sun::star::io::IOException, |
| com::sun::star::uno::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( void ) |
| throw( com::sun::star::io::IOException, |
| com::sun::star::uno::RuntimeException ); |
| |
| virtual sal_Int64 SAL_CALL getLength( void ) |
| throw( com::sun::star::io::IOException, |
| com::sun::star::uno::RuntimeException ); |
| }; |
| |
| |
| extern com::sun::star::uno::Reference<com::sun::star::io::XInputStream> |
| turnToSeekable( |
| const com::sun::star::uno::Reference<com::sun::star::io::XInputStream>& xInputStream); |
| |
| } |
