ucb/source/ucp/gvfs/gvfs_stream.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  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19 #ifndef _GVFSSTREAM_HXX_
  20 #define _GVFSSTREAM_HXX_
  21
  22 #include <sal/types.h>
  23 #include <rtl/ustring.hxx>
  24 #include <cppuhelper/weak.hxx>
  25 #include <com/sun/star/io/XStream.hpp>
  26 #include <com/sun/star/io/XInputStream.hpp>
  27 #include <com/sun/star/io/XOutputStream.hpp>
  28 #include <com/sun/star/io/XTruncate.hpp>
  29 #include <com/sun/star/io/XSeekable.hpp>
  30
  31 #include <libgnomevfs/gnome-vfs-handle.h>
  32
  33 namespace gvfs
  34 {
  35
  36 class Stream : public ::com::sun::star::io::XStream,
  37            public ::com::sun::star::io::XInputStream,
  38            public ::com::sun::star::io::XOutputStream,
  39            public ::com::sun::star::io::XTruncate,
  40            public ::com::sun::star::io::XSeekable,
  41            public ::cppu::OWeakObject
  42 {
  43 private:
  44     GnomeVFSHandle  *m_handle;
  45     GnomeVFSFileInfo m_info;
  46     osl::Mutex       m_aMutex;
  47     sal_Bool         m_eof;
  48     sal_Bool         m_bInputStreamCalled;
  49     sal_Bool         m_bOutputStreamCalled;
  50
  51     void throwOnError( GnomeVFSResult result )
  52         throw( ::com::sun::star::io::NotConnectedException,
  53                ::com::sun::star::io::BufferSizeExceededException,
  54                ::com::sun::star::io::IOException,
  55                ::com::sun::star::uno::RuntimeException );
  56
  57     void closeStream( void )
  58         throw( ::com::sun::star::io::NotConnectedException,
  59                ::com::sun::star::io::IOException,
  60                ::com::sun::star::uno::RuntimeException );
  61
  62 public:
  63     Stream ( GnomeVFSHandle         *handle,
  64          const GnomeVFSFileInfo *aInfo );
  65     virtual ~Stream();
  66
  67     // XInterface
  68     virtual com::sun::star::uno::Any SAL_CALL queryInterface(const ::com::sun::star::uno::Type & type )
  69         throw( ::com::sun::star::uno::RuntimeException );
  70     virtual void SAL_CALL acquire( void )
  71         throw ()
  72             { OWeakObject::acquire(); }
  73     virtual void SAL_CALL release( void )
  74         throw()
  75             { OWeakObject::release(); }
  76
  77     // XStream
  78     virtual com::sun::star::uno::Reference< com::sun::star::io::XInputStream > SAL_CALL getInputStream(  )
  79         throw( com::sun::star::uno::RuntimeException );
  80
  81     virtual com::sun::star::uno::Reference< com::sun::star::io::XOutputStream > SAL_CALL getOutputStream(  )
  82         throw( com::sun::star::uno::RuntimeException );
  83
  84     // XInputStream
  85     virtual sal_Int32 SAL_CALL readBytes(
  86               ::com::sun::star::uno::Sequence< sal_Int8 > & aData,
  87             sal_Int32 nBytesToRead )
  88                 throw( ::com::sun::star::io::NotConnectedException,
  89                           ::com::sun::star::io::BufferSizeExceededException,
  90                           ::com::sun::star::io::IOException,
  91                           ::com::sun::star::uno::RuntimeException );
  92
  93     virtual sal_Int32 SAL_CALL readSomeBytes(
  94             ::com::sun::star::uno::Sequence< sal_Int8 > & aData,
  95             sal_Int32 nMaxBytesToRead )
  96                 throw( ::com::sun::star::io::NotConnectedException,
  97                           ::com::sun::star::io::BufferSizeExceededException,
  98                           ::com::sun::star::io::IOException,
  99                           ::com::sun::star::uno::RuntimeException );
 100
 101     virtual void SAL_CALL skipBytes( sal_Int32 nBytesToSkip )
 102                 throw( ::com::sun::star::io::NotConnectedException,
 103                           ::com::sun::star::io::BufferSizeExceededException,
 104                           ::com::sun::star::io::IOException,
 105                           ::com::sun::star::uno::RuntimeException );
 106
 107     virtual sal_Int32 SAL_CALL available( void )
 108                 throw( ::com::sun::star::io::NotConnectedException,
 109                           ::com::sun::star::io::IOException,
 110                           ::com::sun::star::uno::RuntimeException );
 111
 112     virtual void SAL_CALL closeInput( void )
 113                 throw( ::com::sun::star::io::NotConnectedException,
 114                           ::com::sun::star::io::IOException,
 115                           ::com::sun::star::uno::RuntimeException );
 116
 117     // XSeekable
 118     virtual void SAL_CALL seek( sal_Int64 location )
 119         throw( ::com::sun::star::lang::IllegalArgumentException,
 120                ::com::sun::star::io::IOException,
 121                ::com::sun::star::uno::RuntimeException );
 122
 123     virtual sal_Int64 SAL_CALL getPosition()
 124         throw( ::com::sun::star::io::IOException,
 125                ::com::sun::star::uno::RuntimeException );
 126
 127     virtual sal_Int64 SAL_CALL getLength()
 128         throw( ::com::sun::star::io::IOException,
 129                ::com::sun::star::uno::RuntimeException );
 130
 131         // XOutputStream
 132     virtual void SAL_CALL writeBytes( const com::sun::star::uno::Sequence< sal_Int8 >& aData )
 133         throw( com::sun::star::io::NotConnectedException,
 134                com::sun::star::io::BufferSizeExceededException,
 135                com::sun::star::io::IOException,
 136                com::sun::star::uno::RuntimeException);
 137
 138     virtual void SAL_CALL flush( void )
 139         throw( com::sun::star::io::NotConnectedException,
 140                com::sun::star::io::BufferSizeExceededException,
 141                com::sun::star::io::IOException,
 142                com::sun::star::uno::RuntimeException);
 143
 144
 145         virtual void SAL_CALL closeOutput( void )
 146         throw( com::sun::star::io::NotConnectedException,
 147                com::sun::star::io::IOException,
 148                com::sun::star::uno::RuntimeException );
 149
 150     // XTruncate
 151     virtual void SAL_CALL truncate( void )
 152         throw( com::sun::star::io::IOException,
 153                com::sun::star::uno::RuntimeException );
 154 };
 155
 156 } // namespace gvfs
 157 #endif // _GVFSSTREAM_HXX_
 158
 159 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */