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
25 using namespace ::com::sun::star;
26
OSelfTerminateFileStream(const uno::Reference<uno::XComponentContext> & xContext,const OUString & aURL)27 OSelfTerminateFileStream::OSelfTerminateFileStream( const uno::Reference< uno::XComponentContext >& xContext, const OUString& aURL )
28 : m_aURL( aURL )
29 {
30 uno::Reference< uno::XComponentContext > xOwnContext = xContext;
31 if ( !xOwnContext.is() )
32 xOwnContext.set( ::comphelper::getProcessComponentContext(), uno::UNO_SET_THROW );
33
34 // IMPORTANT: The implementation is based on idea that m_xFileAccess, m_xInputStream and m_xSeekable are always set
35 // otherwise an exception is thrown in constructor
36
37 m_xFileAccess.set( ucb::SimpleFileAccess::create(xOwnContext) );
38
39 m_xInputStream.set( m_xFileAccess->openFileRead( aURL ), uno::UNO_SET_THROW );
40 m_xSeekable.set( m_xInputStream, uno::UNO_QUERY_THROW );
41 }
42
~OSelfTerminateFileStream()43 OSelfTerminateFileStream::~OSelfTerminateFileStream()
44 {
45 CloseStreamDeleteFile();
46 }
47
CloseStreamDeleteFile()48 void OSelfTerminateFileStream::CloseStreamDeleteFile()
49 {
50 try
51 {
52 m_xInputStream->closeInput();
53 }
54 catch( uno::Exception& )
55 {}
56
57 try
58 {
59 m_xFileAccess->kill( m_aURL );
60 }
61 catch( uno::Exception& )
62 {}
63 }
64
readBytes(uno::Sequence<sal_Int8> & aData,sal_Int32 nBytesToRead)65 sal_Int32 SAL_CALL OSelfTerminateFileStream::readBytes( uno::Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead )
66 {
67 return m_xInputStream->readBytes( aData, nBytesToRead );
68 }
69
readSomeBytes(uno::Sequence<sal_Int8> & aData,sal_Int32 nMaxBytesToRead)70 sal_Int32 SAL_CALL OSelfTerminateFileStream::readSomeBytes( uno::Sequence< sal_Int8 >& aData, sal_Int32 nMaxBytesToRead )
71 {
72 return m_xInputStream->readSomeBytes( aData, nMaxBytesToRead );
73 }
74
skipBytes(sal_Int32 nBytesToSkip)75 void SAL_CALL OSelfTerminateFileStream::skipBytes( sal_Int32 nBytesToSkip )
76 {
77 return m_xInputStream->skipBytes( nBytesToSkip );
78 }
79
available()80 sal_Int32 SAL_CALL OSelfTerminateFileStream::available( )
81 {
82 return m_xInputStream->available();
83 }
84
closeInput()85 void SAL_CALL OSelfTerminateFileStream::closeInput( )
86 {
87 CloseStreamDeleteFile();
88 }
89
seek(sal_Int64 location)90 void SAL_CALL OSelfTerminateFileStream::seek( sal_Int64 location )
91 {
92 m_xSeekable->seek( location );
93 }
94
getPosition()95 sal_Int64 SAL_CALL OSelfTerminateFileStream::getPosition()
96 {
97 return m_xSeekable->getPosition();
98 }
99
getLength()100 sal_Int64 SAL_CALL OSelfTerminateFileStream::getLength()
101 {
102 return m_xSeekable->getLength();
103 }
104
105 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
106