1*cdf0e10cSrcweir /************************************************************************* 2*cdf0e10cSrcweir * 3*cdf0e10cSrcweir * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4*cdf0e10cSrcweir * 5*cdf0e10cSrcweir * Copyright 2000, 2010 Oracle and/or its affiliates. 6*cdf0e10cSrcweir * 7*cdf0e10cSrcweir * OpenOffice.org - a multi-platform office productivity suite 8*cdf0e10cSrcweir * 9*cdf0e10cSrcweir * This file is part of OpenOffice.org. 10*cdf0e10cSrcweir * 11*cdf0e10cSrcweir * OpenOffice.org is free software: you can redistribute it and/or modify 12*cdf0e10cSrcweir * it under the terms of the GNU Lesser General Public License version 3 13*cdf0e10cSrcweir * only, as published by the Free Software Foundation. 14*cdf0e10cSrcweir * 15*cdf0e10cSrcweir * OpenOffice.org is distributed in the hope that it will be useful, 16*cdf0e10cSrcweir * but WITHOUT ANY WARRANTY; without even the implied warranty of 17*cdf0e10cSrcweir * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18*cdf0e10cSrcweir * GNU Lesser General Public License version 3 for more details 19*cdf0e10cSrcweir * (a copy is included in the LICENSE file that accompanied this code). 20*cdf0e10cSrcweir * 21*cdf0e10cSrcweir * You should have received a copy of the GNU Lesser General Public License 22*cdf0e10cSrcweir * version 3 along with OpenOffice.org. If not, see 23*cdf0e10cSrcweir * <http://www.openoffice.org/license.html> 24*cdf0e10cSrcweir * for a copy of the LGPLv3 License. 25*cdf0e10cSrcweir * 26*cdf0e10cSrcweir ************************************************************************/ 27*cdf0e10cSrcweir 28*cdf0e10cSrcweir #include <cppuhelper/weak.hxx> 29*cdf0e10cSrcweir #include <osl/mutex.hxx> 30*cdf0e10cSrcweir #include <com/sun/star/io/XInputStream.hpp> 31*cdf0e10cSrcweir #include <com/sun/star/io/XSeekable.hpp> 32*cdf0e10cSrcweir 33*cdf0e10cSrcweir 34*cdf0e10cSrcweir namespace chelp { 35*cdf0e10cSrcweir 36*cdf0e10cSrcweir class BufferedInputStream 37*cdf0e10cSrcweir : public cppu::OWeakObject, 38*cdf0e10cSrcweir public com::sun::star::io::XInputStream, 39*cdf0e10cSrcweir public com::sun::star::io::XSeekable 40*cdf0e10cSrcweir { 41*cdf0e10cSrcweir private: 42*cdf0e10cSrcweir 43*cdf0e10cSrcweir sal_Int32 m_nBufferLocation; 44*cdf0e10cSrcweir sal_Int32 m_nBufferSize; 45*cdf0e10cSrcweir sal_Int8 *m_pBuffer; 46*cdf0e10cSrcweir osl::Mutex m_aMutex; 47*cdf0e10cSrcweir 48*cdf0e10cSrcweir public: 49*cdf0e10cSrcweir 50*cdf0e10cSrcweir BufferedInputStream( 51*cdf0e10cSrcweir const com::sun::star::uno::Reference<com::sun::star::io::XInputStream>& xInputStream); 52*cdf0e10cSrcweir 53*cdf0e10cSrcweir ~BufferedInputStream(); 54*cdf0e10cSrcweir 55*cdf0e10cSrcweir virtual com::sun::star::uno::Any SAL_CALL 56*cdf0e10cSrcweir queryInterface( const com::sun::star::uno::Type& rType ) 57*cdf0e10cSrcweir throw( com::sun::star::uno::RuntimeException ); 58*cdf0e10cSrcweir 59*cdf0e10cSrcweir virtual void SAL_CALL acquire( void ) throw(); 60*cdf0e10cSrcweir 61*cdf0e10cSrcweir virtual void SAL_CALL release( void ) throw(); 62*cdf0e10cSrcweir 63*cdf0e10cSrcweir 64*cdf0e10cSrcweir virtual sal_Int32 SAL_CALL readBytes( com::sun::star::uno::Sequence< sal_Int8 >& aData, 65*cdf0e10cSrcweir sal_Int32 nBytesToRead ) 66*cdf0e10cSrcweir throw( com::sun::star::io::NotConnectedException, 67*cdf0e10cSrcweir com::sun::star::io::BufferSizeExceededException, 68*cdf0e10cSrcweir com::sun::star::io::IOException, 69*cdf0e10cSrcweir com::sun::star::uno::RuntimeException ); 70*cdf0e10cSrcweir 71*cdf0e10cSrcweir virtual sal_Int32 SAL_CALL readSomeBytes( com::sun::star::uno::Sequence< sal_Int8 >& aData, 72*cdf0e10cSrcweir sal_Int32 nMaxBytesToRead ) 73*cdf0e10cSrcweir throw( com::sun::star::io::NotConnectedException, 74*cdf0e10cSrcweir com::sun::star::io::BufferSizeExceededException, 75*cdf0e10cSrcweir com::sun::star::io::IOException, 76*cdf0e10cSrcweir com::sun::star::uno::RuntimeException ); 77*cdf0e10cSrcweir 78*cdf0e10cSrcweir virtual void SAL_CALL skipBytes( sal_Int32 nBytesToSkip ) 79*cdf0e10cSrcweir throw( com::sun::star::io::NotConnectedException, 80*cdf0e10cSrcweir com::sun::star::io::BufferSizeExceededException, 81*cdf0e10cSrcweir com::sun::star::io::IOException, 82*cdf0e10cSrcweir com::sun::star::uno::RuntimeException ); 83*cdf0e10cSrcweir 84*cdf0e10cSrcweir virtual sal_Int32 SAL_CALL available( void ) 85*cdf0e10cSrcweir throw( com::sun::star::io::NotConnectedException, 86*cdf0e10cSrcweir com::sun::star::io::IOException, 87*cdf0e10cSrcweir com::sun::star::uno::RuntimeException ); 88*cdf0e10cSrcweir 89*cdf0e10cSrcweir virtual void SAL_CALL closeInput( void ) 90*cdf0e10cSrcweir throw( com::sun::star::io::NotConnectedException, 91*cdf0e10cSrcweir com::sun::star::io::IOException, 92*cdf0e10cSrcweir com::sun::star::uno::RuntimeException ); 93*cdf0e10cSrcweir 94*cdf0e10cSrcweir virtual void SAL_CALL seek( sal_Int64 location ) 95*cdf0e10cSrcweir throw( com::sun::star::lang::IllegalArgumentException, 96*cdf0e10cSrcweir com::sun::star::io::IOException, 97*cdf0e10cSrcweir com::sun::star::uno::RuntimeException ); 98*cdf0e10cSrcweir 99*cdf0e10cSrcweir virtual sal_Int64 SAL_CALL getPosition( void ) 100*cdf0e10cSrcweir throw( com::sun::star::io::IOException, 101*cdf0e10cSrcweir com::sun::star::uno::RuntimeException ); 102*cdf0e10cSrcweir 103*cdf0e10cSrcweir virtual sal_Int64 SAL_CALL getLength( void ) 104*cdf0e10cSrcweir throw( com::sun::star::io::IOException, 105*cdf0e10cSrcweir com::sun::star::uno::RuntimeException ); 106*cdf0e10cSrcweir }; 107*cdf0e10cSrcweir 108*cdf0e10cSrcweir 109*cdf0e10cSrcweir extern com::sun::star::uno::Reference<com::sun::star::io::XInputStream> 110*cdf0e10cSrcweir turnToSeekable( 111*cdf0e10cSrcweir const com::sun::star::uno::Reference<com::sun::star::io::XInputStream>& xInputStream); 112*cdf0e10cSrcweir 113*cdf0e10cSrcweir } 114