include/ucbhelper/std_inputstream.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  */
   9
  10 #ifndef INCLUDED_UCBHELPER_STD_INPUTSTREAM_HXX
  11 #define INCLUDED_UCBHELPER_STD_INPUTSTREAM_HXX
  12
  13 #include <boost/shared_ptr.hpp>
  14 #include <istream>
  15
  16 #include <rtl/ustring.hxx>
  17 #include <osl/mutex.hxx>
  18 #include <cppuhelper/weak.hxx>
  19 #include <cppuhelper/queryinterface.hxx>
  20 #include <com/sun/star/io/XInputStream.hpp>
  21 #include <com/sun/star/io/XSeekable.hpp>
  22
  23 #include <ucbhelper/ucbhelperdllapi.h>
  24
  25 namespace ucbhelper
  26 {
  27     /** Implements a seekable InputStream
  28      *  working on an std::istream
  29      */
  30     class UCBHELPER_DLLPUBLIC StdInputStream
  31         : public cppu::OWeakObject,
  32           public com::sun::star::io::XInputStream,
  33           public com::sun::star::io::XSeekable
  34     {
  35         public:
  36
  37             StdInputStream( boost::shared_ptr< std::istream > pStream );
  38
  39             virtual ~StdInputStream();
  40
  41             virtual css::uno::Any SAL_CALL queryInterface ( const css::uno::Type& rType )
  42                 throw ( css::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
  43
  44             virtual void SAL_CALL acquire( ) throw ( ) SAL_OVERRIDE;
  45
  46             virtual void SAL_CALL release( ) throw ( ) SAL_OVERRIDE;
  47
  48             virtual sal_Int32 SAL_CALL
  49             readBytes ( css::uno::Sequence< sal_Int8 >& aData,
  50                         sal_Int32 nBytesToRead )
  51                 throw ( css::io::NotConnectedException,
  52                         css::io::BufferSizeExceededException,
  53                         css::io::IOException,
  54                         css::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
  55
  56             virtual sal_Int32 SAL_CALL
  57             readSomeBytes ( css::uno::Sequence< sal_Int8 >& aData,
  58                            sal_Int32 nMaxBytesToRead )
  59                 throw ( css::io::NotConnectedException,
  60                         css::io::BufferSizeExceededException,
  61                         css::io::IOException,
  62                         css::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
  63
  64             virtual void SAL_CALL
  65             skipBytes ( sal_Int32 nBytesToSkip )
  66                 throw ( css::io::NotConnectedException,
  67                         css::io::BufferSizeExceededException,
  68                         css::io::IOException,
  69                         css::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
  70
  71             virtual sal_Int32 SAL_CALL
  72             available ( )
  73                 throw ( css::io::NotConnectedException,
  74                         css::io::IOException,
  75                         css::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
  76
  77             virtual void SAL_CALL
  78             closeInput ( )
  79                 throw ( css::io::NotConnectedException,
  80                         css::io::IOException,
  81                         css::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
  82
  83
  84             /** XSeekable
  85              */
  86
  87             virtual void SAL_CALL
  88             seek ( sal_Int64 location )
  89                 throw ( css::lang::IllegalArgumentException,
  90                         css::io::IOException,
  91                         css::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
  92
  93
  94             virtual sal_Int64 SAL_CALL
  95             getPosition ( )
  96                 throw ( css::io::IOException, css::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
  97
  98
  99             virtual sal_Int64 SAL_CALL
 100             getLength ( )
 101                 throw ( css::io::IOException,
 102                         css::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
 103
 104         private:
 105
 106             osl::Mutex m_aMutex;
 107             boost::shared_ptr< std::istream > m_pStream;
 108             sal_Int64 m_nLength;
 109     };
 110
 111 }
 112
 113 #endif
 114
 115 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */