package/source/xstor/selfterminatefilestream.cxx

   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
  20 #include <com/sun/star/ucb/SimpleFileAccess.hpp>
  21
  22 #include "selfterminatefilestream.hxx"
  23 #include <comphelper/processfactory.hxx>
  24 #include <unotools/streamwrap.hxx>
  25
  26 using namespace ::com::sun::star;
  27
  28 OSelfTerminateFileStream::OSelfTerminateFileStream( const uno::Reference< uno::XComponentContext >& xContext, utl::TempFileFast aTempFile )
  29 : m_oTempFile( std::move(aTempFile) )
  30 {
  31     uno::Reference< uno::XComponentContext > xOwnContext = xContext;
  32     if ( !xOwnContext.is() )
  33         xOwnContext.set( ::comphelper::getProcessComponentContext(), uno::UNO_SET_THROW );
  34
  35     m_xStreamWrapper = new utl::OSeekableInputStreamWrapper( m_oTempFile->GetStream(StreamMode::READWRITE), /*bOwner*/false );
  36 }
  37
  38 OSelfTerminateFileStream::~OSelfTerminateFileStream()
  39 {
  40     CloseStreamDeleteFile();
  41 }
  42
  43 void OSelfTerminateFileStream::CloseStreamDeleteFile()
  44 {
  45     try
  46     {
  47         m_xStreamWrapper->closeInput();
  48     }
  49     catch( uno::Exception& )
  50     {}
  51
  52     m_oTempFile.reset();
  53 }
  54
  55 sal_Int32 SAL_CALL OSelfTerminateFileStream::readBytes( uno::Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead )
  56 {
  57     return m_xStreamWrapper->readBytes( aData, nBytesToRead );
  58 }
  59
  60 sal_Int32 SAL_CALL OSelfTerminateFileStream::readSomeBytes( uno::Sequence< sal_Int8 >& aData, sal_Int32 nMaxBytesToRead )
  61 {
  62     return m_xStreamWrapper->readSomeBytes( aData, nMaxBytesToRead );
  63 }
  64
  65 void SAL_CALL OSelfTerminateFileStream::skipBytes( sal_Int32 nBytesToSkip )
  66 {
  67     return m_xStreamWrapper->skipBytes( nBytesToSkip );
  68 }
  69
  70 sal_Int32 SAL_CALL OSelfTerminateFileStream::available(  )
  71 {
  72     return m_xStreamWrapper->available();
  73 }
  74
  75 void SAL_CALL OSelfTerminateFileStream::closeInput(  )
  76 {
  77     CloseStreamDeleteFile();
  78 }
  79
  80 void SAL_CALL OSelfTerminateFileStream::seek( sal_Int64 location )
  81 {
  82     m_xStreamWrapper->seek( location );
  83 }
  84
  85 sal_Int64 SAL_CALL OSelfTerminateFileStream::getPosition()
  86 {
  87     return m_xStreamWrapper->getPosition();
  88 }
  89
  90 sal_Int64 SAL_CALL OSelfTerminateFileStream::getLength()
  91 {
  92     return m_xStreamWrapper->getLength();
  93 }
  94
  95 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */