Line data Source code
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 :
21 : #include <com/sun/star/ucb/SimpleFileAccess.hpp>
22 :
23 : #include "selfterminatefilestream.hxx"
24 : #include <comphelper/processfactory.hxx>
25 :
26 : using namespace ::com::sun::star;
27 :
28 : //-----------------------------------------------
29 3 : OSelfTerminateFileStream::OSelfTerminateFileStream( const uno::Reference< lang::XMultiServiceFactory > xFactory, const ::rtl::OUString& aURL )
30 3 : : m_aURL( aURL )
31 : {
32 3 : uno::Reference< lang::XMultiServiceFactory > xOwnFactory = xFactory;
33 3 : if ( !xOwnFactory.is() )
34 0 : xOwnFactory.set( ::comphelper::getProcessServiceFactory(), uno::UNO_SET_THROW );
35 :
36 : // IMPORTANT: The implementation is based on idea that m_xFileAccess, m_xInputStream and m_xSeekable are always set
37 : // otherwise an exception is thrown in constructor
38 :
39 : m_xFileAccess.set( ucb::SimpleFileAccess::create(
40 3 : comphelper::getComponentContext(xOwnFactory) ) );
41 :
42 3 : m_xInputStream.set( m_xFileAccess->openFileRead( aURL ), uno::UNO_SET_THROW );
43 3 : m_xSeekable.set( m_xInputStream, uno::UNO_QUERY_THROW );
44 3 : }
45 :
46 : //-----------------------------------------------
47 9 : OSelfTerminateFileStream::~OSelfTerminateFileStream()
48 : {
49 3 : CloseStreamDeleteFile();
50 6 : }
51 :
52 : //-----------------------------------------------
53 5 : void OSelfTerminateFileStream::CloseStreamDeleteFile()
54 : {
55 : try
56 : {
57 5 : m_xInputStream->closeInput();
58 : }
59 0 : catch( uno::Exception& )
60 : {}
61 :
62 : try
63 : {
64 5 : m_xFileAccess->kill( m_aURL );
65 : }
66 2 : catch( uno::Exception& )
67 : {}
68 5 : }
69 :
70 : //-----------------------------------------------
71 10 : sal_Int32 SAL_CALL OSelfTerminateFileStream::readBytes( uno::Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead )
72 : throw ( io::NotConnectedException,
73 : io::BufferSizeExceededException,
74 : io::IOException,
75 : uno::RuntimeException )
76 : {
77 10 : return m_xInputStream->readBytes( aData, nBytesToRead );
78 : }
79 :
80 : //-----------------------------------------------
81 0 : sal_Int32 SAL_CALL OSelfTerminateFileStream::readSomeBytes( uno::Sequence< sal_Int8 >& aData, sal_Int32 nMaxBytesToRead )
82 : throw ( io::NotConnectedException,
83 : io::BufferSizeExceededException,
84 : io::IOException,
85 : uno::RuntimeException )
86 : {
87 0 : return m_xInputStream->readSomeBytes( aData, nMaxBytesToRead );
88 : }
89 :
90 : //-----------------------------------------------
91 0 : void SAL_CALL OSelfTerminateFileStream::skipBytes( sal_Int32 nBytesToSkip )
92 : throw ( io::NotConnectedException,
93 : io::BufferSizeExceededException,
94 : io::IOException,
95 : uno::RuntimeException )
96 : {
97 0 : return m_xInputStream->skipBytes( nBytesToSkip );
98 : }
99 :
100 : //-----------------------------------------------
101 0 : sal_Int32 SAL_CALL OSelfTerminateFileStream::available( )
102 : throw ( io::NotConnectedException,
103 : io::IOException,
104 : uno::RuntimeException )
105 : {
106 0 : return m_xInputStream->available();
107 : }
108 :
109 : //-----------------------------------------------
110 2 : void SAL_CALL OSelfTerminateFileStream::closeInput( )
111 : throw ( io::NotConnectedException,
112 : io::IOException,
113 : uno::RuntimeException )
114 : {
115 2 : CloseStreamDeleteFile();
116 2 : }
117 :
118 : //-----------------------------------------------
119 12 : void SAL_CALL OSelfTerminateFileStream::seek( sal_Int64 location )
120 : throw ( lang::IllegalArgumentException,
121 : io::IOException,
122 : uno::RuntimeException )
123 : {
124 12 : m_xSeekable->seek( location );
125 12 : }
126 :
127 : //-----------------------------------------------
128 2 : sal_Int64 SAL_CALL OSelfTerminateFileStream::getPosition()
129 : throw ( io::IOException,
130 : uno::RuntimeException)
131 : {
132 2 : return m_xSeekable->getPosition();
133 : }
134 :
135 : //-----------------------------------------------
136 0 : sal_Int64 SAL_CALL OSelfTerminateFileStream::getLength()
137 : throw ( io::IOException,
138 : uno::RuntimeException )
139 : {
140 0 : return m_xSeekable->getLength();
141 : }
142 :
143 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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