package/source/zipapi/EntryInputStream.hxx

   1 /*************************************************************************
   2  *
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * Copyright 2008 by Sun Microsystems, Inc.
   6  *
   7  * OpenOffice.org - a multi-platform office productivity suite
   8  *
   9  * $RCSfile: EntryInputStream.hxx,v $
  10  * $Revision: 1.10 $
  11  *
  12  * This file is part of OpenOffice.org.
  13  *
  14  * OpenOffice.org is free software: you can redistribute it and/or modify
  15  * it under the terms of the GNU Lesser General Public License version 3
  16  * only, as published by the Free Software Foundation.
  17  *
  18  * OpenOffice.org is distributed in the hope that it will be useful,
  19  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  20  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21  * GNU Lesser General Public License version 3 for more details
  22  * (a copy is included in the LICENSE file that accompanied this code).
  23  *
  24  * You should have received a copy of the GNU Lesser General Public License
  25  * version 3 along with OpenOffice.org.  If not, see
  26  * <http://www.openoffice.org/license.html>
  27  * for a copy of the LGPLv3 License.
  28  *
  29  ************************************************************************/
  30 #ifndef _ENTRY_INPUT_STREAM_HXX
  31 #define _ENTRY_INPUT_STREAM_HXX
  32
  33 #include <cppuhelper/implbase2.hxx> // helper for implementations
  34 #include <com/sun/star/io/XInputStream.hpp>
  35 #include <com/sun/star/io/XSeekable.hpp>
  36 #include <Inflater.hxx>
  37 #include <com/sun/star/packages/zip/ZipEntry.hpp>
  38 #ifndef _VOS_REF_H_
  39 #include <vos/ref.hxx>
  40 #endif
  41 #ifndef _ENCRYPTION_DATA_HXX
  42 #include <EncryptionData.hxx>
  43 #endif
  44 class EntryInputStream : public cppu::WeakImplHelper2< com::sun::star::io::XInputStream,
  45                                                        com::sun::star::io::XSeekable >
  46 {
  47 protected:
  48     com::sun::star::uno::Reference< com::sun::star::io::XInputStream > xStream;
  49     com::sun::star::uno::Reference< com::sun::star::io::XSeekable > xSeek;
  50     sal_Int64 nEnd, nCurrent, nUncompressedSize;
  51     sal_Bool bRawStream, bHaveInMemory, bEncrypted;
  52     com::sun::star::uno::Sequence < sal_Int8 > aBuffer;
  53     const vos::ORef < EncryptionData > xEncryptionData;
  54     const com::sun::star::packages::zip::ZipEntry aEntry;
  55     Inflater aInflater;
  56     void readIntoMemory()
  57         throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::BufferSizeExceededException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
  58 public:
  59              EntryInputStream( com::sun::star::uno::Reference < com::sun::star::io::XInputStream > xInput,
  60                                 const com::sun::star::packages::zip::ZipEntry &rNewEntry,
  61                                const vos::ORef < EncryptionData > &xEncryptData,
  62                                sal_Bool bGetRawStream = sal_False);
  63     virtual ~EntryInputStream();
  64
  65     // XInputStream
  66     virtual sal_Int32 SAL_CALL readBytes( ::com::sun::star::uno::Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead )
  67         throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::BufferSizeExceededException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
  68     virtual sal_Int32 SAL_CALL readSomeBytes( ::com::sun::star::uno::Sequence< sal_Int8 >& aData, sal_Int32 nMaxBytesToRead )
  69         throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::BufferSizeExceededException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
  70     virtual void SAL_CALL skipBytes( sal_Int32 nBytesToSkip )
  71         throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::BufferSizeExceededException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
  72     virtual sal_Int32 SAL_CALL available(  )
  73         throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
  74     virtual void SAL_CALL closeInput(  )
  75         throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
  76     // XSeekable
  77     virtual void SAL_CALL seek( sal_Int64 location )
  78         throw(::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
  79     virtual sal_Int64 SAL_CALL getPosition(  )
  80         throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
  81     virtual sal_Int64 SAL_CALL getLength(  )
  82         throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
  83     /*
  84 private:
  85     void fill( void );
  86     */
  87 };
  88
  89 #endif