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 : #include "filinpstr.hxx"
21 : #include "filerror.hxx"
22 : #include "shell.hxx"
23 : #include "prov.hxx"
24 :
25 : using namespace fileaccess;
26 : using namespace com::sun::star;
27 : using namespace com::sun::star::ucb;
28 :
29 : #if OSL_DEBUG_LEVEL > 0
30 : #define THROW_WHERE SAL_WHERE
31 : #else
32 : #define THROW_WHERE ""
33 : #endif
34 :
35 0 : XInputStream_impl::XInputStream_impl( shell* pMyShell,const OUString& aUncPath, sal_Bool bLock )
36 : : m_xProvider( pMyShell->m_pProvider ),
37 : m_aFile( aUncPath ),
38 : m_nErrorCode( TASKHANDLER_NO_ERROR ),
39 0 : m_nMinorErrorCode( TASKHANDLER_NO_ERROR )
40 : {
41 0 : sal_uInt32 nFlags = osl_File_OpenFlag_Read;
42 0 : if ( !bLock )
43 0 : nFlags |= osl_File_OpenFlag_NoLock;
44 :
45 0 : osl::FileBase::RC err = m_aFile.open( nFlags );
46 0 : if( err != osl::FileBase::E_None )
47 : {
48 0 : m_nIsOpen = false;
49 0 : m_aFile.close();
50 :
51 0 : m_nErrorCode = TASKHANDLING_OPEN_FOR_INPUTSTREAM;
52 0 : m_nMinorErrorCode = err;
53 : }
54 : else
55 0 : m_nIsOpen = true;
56 0 : }
57 :
58 :
59 0 : XInputStream_impl::~XInputStream_impl()
60 : {
61 : try
62 : {
63 0 : closeInput();
64 : }
65 0 : catch (io::IOException const &)
66 : {
67 : OSL_FAIL("unexpected situation");
68 : }
69 0 : catch (uno::RuntimeException const &)
70 : {
71 : OSL_FAIL("unexpected situation");
72 : }
73 0 : }
74 :
75 :
76 0 : sal_Int32 SAL_CALL XInputStream_impl::CtorSuccess()
77 : {
78 0 : return m_nErrorCode;
79 : };
80 :
81 :
82 :
83 0 : sal_Int32 SAL_CALL XInputStream_impl::getMinorError()
84 : {
85 0 : return m_nMinorErrorCode;
86 : }
87 :
88 :
89 :
90 : // XTypeProvider
91 :
92 :
93 :
94 0 : XTYPEPROVIDER_IMPL_3( XInputStream_impl,
95 : lang::XTypeProvider,
96 : io::XSeekable,
97 : io::XInputStream )
98 :
99 :
100 :
101 : uno::Any SAL_CALL
102 0 : XInputStream_impl::queryInterface(
103 : const uno::Type& rType )
104 : throw( uno::RuntimeException, std::exception)
105 : {
106 : uno::Any aRet = cppu::queryInterface( rType,
107 : (static_cast< io::XInputStream* >(this)),
108 : (static_cast< lang::XTypeProvider* >(this)),
109 0 : (static_cast< io::XSeekable* >(this)) );
110 0 : return aRet.hasValue() ? aRet : OWeakObject::queryInterface( rType );
111 : }
112 :
113 :
114 : void SAL_CALL
115 0 : XInputStream_impl::acquire(
116 : void )
117 : throw()
118 : {
119 0 : OWeakObject::acquire();
120 0 : }
121 :
122 :
123 : void SAL_CALL
124 0 : XInputStream_impl::release(
125 : void )
126 : throw()
127 : {
128 0 : OWeakObject::release();
129 0 : }
130 :
131 :
132 :
133 : sal_Int32 SAL_CALL
134 0 : XInputStream_impl::readBytes(
135 : uno::Sequence< sal_Int8 >& aData,
136 : sal_Int32 nBytesToRead )
137 : throw( io::NotConnectedException,
138 : io::BufferSizeExceededException,
139 : io::IOException,
140 : uno::RuntimeException, std::exception)
141 : {
142 0 : if( ! m_nIsOpen ) throw io::IOException( OUString(THROW_WHERE), uno::Reference< uno::XInterface >() );
143 :
144 0 : aData.realloc(nBytesToRead);
145 : //TODO! translate memory exhaustion (if it were detectable...) into
146 : // io::BufferSizeExceededException
147 :
148 0 : sal_uInt64 nrc(0);
149 0 : if(m_aFile.read( aData.getArray(),sal_uInt64(nBytesToRead),nrc )
150 : != osl::FileBase::E_None)
151 0 : throw io::IOException( OUString(THROW_WHERE), uno::Reference< uno::XInterface >() );
152 :
153 : // Shrink aData in case we read less than nBytesToRead (XInputStream
154 : // documentation does not tell whether this is required, and I do not know
155 : // if any code relies on this, so be conservative---SB):
156 0 : if (sal::static_int_cast<sal_Int32>(nrc) != nBytesToRead)
157 0 : aData.realloc(sal_Int32(nrc));
158 0 : return ( sal_Int32 ) nrc;
159 : }
160 :
161 : sal_Int32 SAL_CALL
162 0 : XInputStream_impl::readSomeBytes(
163 : uno::Sequence< sal_Int8 >& aData,
164 : sal_Int32 nMaxBytesToRead )
165 : throw( io::NotConnectedException,
166 : io::BufferSizeExceededException,
167 : io::IOException,
168 : uno::RuntimeException, std::exception)
169 : {
170 0 : return readBytes( aData,nMaxBytesToRead );
171 : }
172 :
173 :
174 : void SAL_CALL
175 0 : XInputStream_impl::skipBytes(
176 : sal_Int32 nBytesToSkip )
177 : throw( io::NotConnectedException,
178 : io::BufferSizeExceededException,
179 : io::IOException,
180 : uno::RuntimeException, std::exception)
181 : {
182 0 : m_aFile.setPos( osl_Pos_Current, sal_uInt64( nBytesToSkip ) );
183 0 : }
184 :
185 :
186 : sal_Int32 SAL_CALL
187 0 : XInputStream_impl::available(
188 : void )
189 : throw( io::NotConnectedException,
190 : io::IOException,
191 : uno::RuntimeException, std::exception)
192 : {
193 0 : return 0;
194 : }
195 :
196 :
197 : void SAL_CALL
198 0 : XInputStream_impl::closeInput(
199 : void )
200 : throw( io::NotConnectedException,
201 : io::IOException,
202 : uno::RuntimeException, std::exception )
203 : {
204 0 : if( m_nIsOpen )
205 : {
206 0 : osl::FileBase::RC err = m_aFile.close();
207 0 : if( err != osl::FileBase::E_None )
208 0 : throw io::IOException( OUString(THROW_WHERE), uno::Reference< uno::XInterface >() );
209 0 : m_nIsOpen = false;
210 : }
211 0 : }
212 :
213 :
214 : void SAL_CALL
215 0 : XInputStream_impl::seek(
216 : sal_Int64 location )
217 : throw( lang::IllegalArgumentException,
218 : io::IOException,
219 : uno::RuntimeException, std::exception )
220 : {
221 0 : if( location < 0 )
222 0 : throw lang::IllegalArgumentException( OUString(THROW_WHERE), uno::Reference< uno::XInterface >(), 0 );
223 0 : if( osl::FileBase::E_None != m_aFile.setPos( osl_Pos_Absolut, sal_uInt64( location ) ) )
224 0 : throw io::IOException( OUString(THROW_WHERE), uno::Reference< uno::XInterface >() );
225 0 : }
226 :
227 :
228 : sal_Int64 SAL_CALL
229 0 : XInputStream_impl::getPosition(
230 : void )
231 : throw( io::IOException,
232 : uno::RuntimeException, std::exception )
233 : {
234 : sal_uInt64 uPos;
235 0 : if( osl::FileBase::E_None != m_aFile.getPos( uPos ) )
236 0 : throw io::IOException( OUString(THROW_WHERE), uno::Reference< uno::XInterface >() );
237 0 : return sal_Int64( uPos );
238 : }
239 :
240 : sal_Int64 SAL_CALL
241 0 : XInputStream_impl::getLength(
242 : void )
243 : throw( io::IOException,
244 : uno::RuntimeException, std::exception )
245 : {
246 : sal_uInt64 uEndPos;
247 0 : if ( m_aFile.getSize(uEndPos) != osl::FileBase::E_None )
248 0 : throw io::IOException( OUString(THROW_WHERE), uno::Reference< uno::XInterface >() );
249 : else
250 0 : return sal_Int64( uEndPos );
251 : }
252 :
253 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
