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 "oinputstreamcontainer.hxx"
22 : #include <cppuhelper/typeprovider.hxx>
23 :
24 : using namespace ::com::sun::star;
25 :
26 : //-----------------------------------------------
27 0 : OFSInputStreamContainer::OFSInputStreamContainer( const uno::Reference< io::XInputStream >& xStream )
28 : : m_xInputStream( xStream )
29 : , m_xSeekable( xStream, uno::UNO_QUERY )
30 : , m_bSeekable( false )
31 : , m_bDisposed( false )
32 0 : , m_pListenersContainer( NULL )
33 : {
34 0 : m_bSeekable = m_xSeekable.is();
35 0 : }
36 :
37 : //-----------------------------------------------
38 0 : OFSInputStreamContainer::~OFSInputStreamContainer()
39 : {
40 0 : if ( m_pListenersContainer )
41 : {
42 0 : delete m_pListenersContainer;
43 0 : m_pListenersContainer = NULL;
44 : }
45 0 : }
46 :
47 : //-----------------------------------------------
48 0 : uno::Sequence< uno::Type > SAL_CALL OFSInputStreamContainer::getTypes()
49 : throw ( uno::RuntimeException )
50 : {
51 : static ::cppu::OTypeCollection* pTypeCollection = NULL ;
52 :
53 0 : if ( pTypeCollection == NULL )
54 : {
55 0 : ::osl::MutexGuard aGuard( m_aMutex ) ;
56 :
57 0 : if ( pTypeCollection == NULL )
58 : {
59 0 : if ( m_bSeekable )
60 : {
61 : static ::cppu::OTypeCollection aTypeCollection(
62 0 : ::getCppuType(( const uno::Reference< io::XStream >* )NULL ),
63 0 : ::getCppuType(( const uno::Reference< io::XInputStream >* )NULL ),
64 0 : ::getCppuType(( const uno::Reference< io::XSeekable >* )NULL ) );
65 :
66 0 : pTypeCollection = &aTypeCollection ;
67 : }
68 : else
69 : {
70 : static ::cppu::OTypeCollection aTypeCollection(
71 0 : ::getCppuType(( const uno::Reference< io::XStream >* )NULL ),
72 0 : ::getCppuType(( const uno::Reference< io::XInputStream >* )NULL ) );
73 :
74 0 : pTypeCollection = &aTypeCollection ;
75 : }
76 0 : }
77 : }
78 :
79 0 : return pTypeCollection->getTypes() ;
80 :
81 : }
82 :
83 : //-----------------------------------------------
84 0 : uno::Any SAL_CALL OFSInputStreamContainer::queryInterface( const uno::Type& rType )
85 : throw( uno::RuntimeException )
86 : {
87 : // Attention:
88 : // Don't use mutex or guard in this method!!! Is a method of XInterface.
89 :
90 0 : uno::Any aReturn;
91 0 : if ( m_bSeekable )
92 : aReturn = uno::Any( ::cppu::queryInterface( rType,
93 : static_cast< io::XStream* >( this ),
94 : static_cast< io::XInputStream* >( this ),
95 0 : static_cast< io::XSeekable* >( this ) ) );
96 : else
97 : aReturn = uno::Any( ::cppu::queryInterface( rType,
98 : static_cast< io::XStream* >( this ),
99 0 : static_cast< io::XInputStream* >( this ) ) );
100 :
101 0 : if ( aReturn.hasValue() == sal_True )
102 0 : return aReturn ;
103 :
104 0 : return ::cppu::OWeakObject::queryInterface( rType ) ;
105 : }
106 :
107 : //-----------------------------------------------
108 0 : void SAL_CALL OFSInputStreamContainer::acquire()
109 : throw()
110 : {
111 0 : ::cppu::OWeakObject::acquire();
112 0 : }
113 :
114 : //-----------------------------------------------
115 0 : void SAL_CALL OFSInputStreamContainer::release()
116 : throw()
117 : {
118 0 : ::cppu::OWeakObject::release();
119 0 : }
120 :
121 : //-----------------------------------------------
122 0 : sal_Int32 SAL_CALL OFSInputStreamContainer::readBytes( uno::Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead )
123 : throw ( io::NotConnectedException,
124 : io::BufferSizeExceededException,
125 : io::IOException,
126 : uno::RuntimeException )
127 : {
128 0 : ::osl::MutexGuard aGuard( m_aMutex );
129 :
130 0 : if ( m_bDisposed )
131 0 : throw lang::DisposedException();
132 :
133 0 : if ( !m_xInputStream.is() )
134 0 : throw uno::RuntimeException();
135 :
136 0 : return m_xInputStream->readBytes( aData, nBytesToRead );
137 : }
138 :
139 : //-----------------------------------------------
140 0 : sal_Int32 SAL_CALL OFSInputStreamContainer::readSomeBytes( uno::Sequence< sal_Int8 >& aData, sal_Int32 nMaxBytesToRead )
141 : throw ( io::NotConnectedException,
142 : io::BufferSizeExceededException,
143 : io::IOException,
144 : uno::RuntimeException )
145 : {
146 0 : ::osl::MutexGuard aGuard( m_aMutex );
147 :
148 0 : if ( m_bDisposed )
149 0 : throw lang::DisposedException();
150 :
151 0 : if ( !m_xInputStream.is() )
152 0 : throw uno::RuntimeException();
153 :
154 0 : return m_xInputStream->readSomeBytes( aData, nMaxBytesToRead );
155 : }
156 :
157 : //-----------------------------------------------
158 0 : void SAL_CALL OFSInputStreamContainer::skipBytes( sal_Int32 nBytesToSkip )
159 : throw ( io::NotConnectedException,
160 : io::BufferSizeExceededException,
161 : io::IOException,
162 : uno::RuntimeException )
163 : {
164 0 : ::osl::MutexGuard aGuard( m_aMutex );
165 :
166 0 : if ( m_bDisposed )
167 0 : throw lang::DisposedException();
168 :
169 0 : if ( !m_xInputStream.is() )
170 0 : throw uno::RuntimeException();
171 :
172 0 : m_xInputStream->skipBytes( nBytesToSkip );
173 0 : }
174 :
175 : //-----------------------------------------------
176 0 : sal_Int32 SAL_CALL OFSInputStreamContainer::available( )
177 : throw ( io::NotConnectedException,
178 : io::IOException,
179 : uno::RuntimeException )
180 : {
181 0 : ::osl::MutexGuard aGuard( m_aMutex );
182 :
183 0 : if ( m_bDisposed )
184 0 : throw lang::DisposedException();
185 :
186 0 : if ( !m_xInputStream.is() )
187 0 : throw uno::RuntimeException();
188 :
189 0 : return m_xInputStream->available();
190 : }
191 :
192 : //-----------------------------------------------
193 0 : void SAL_CALL OFSInputStreamContainer::closeInput( )
194 : throw ( io::NotConnectedException,
195 : io::IOException,
196 : uno::RuntimeException )
197 : {
198 0 : ::osl::MutexGuard aGuard( m_aMutex );
199 :
200 0 : if ( m_bDisposed )
201 0 : throw lang::DisposedException();
202 :
203 0 : if ( !m_xInputStream.is() )
204 0 : throw uno::RuntimeException();
205 :
206 0 : dispose();
207 0 : }
208 :
209 : //-----------------------------------------------
210 0 : uno::Reference< io::XInputStream > SAL_CALL OFSInputStreamContainer::getInputStream()
211 : throw ( uno::RuntimeException )
212 : {
213 0 : ::osl::MutexGuard aGuard( m_aMutex );
214 :
215 0 : if ( m_bDisposed )
216 0 : throw lang::DisposedException();
217 :
218 0 : if ( !m_xInputStream.is() )
219 0 : return uno::Reference< io::XInputStream >();
220 :
221 0 : return uno::Reference< io::XInputStream >( static_cast< io::XInputStream* >( this ), uno::UNO_QUERY );
222 : }
223 :
224 : //-----------------------------------------------
225 0 : uno::Reference< io::XOutputStream > SAL_CALL OFSInputStreamContainer::getOutputStream()
226 : throw ( uno::RuntimeException )
227 : {
228 0 : ::osl::MutexGuard aGuard( m_aMutex );
229 :
230 0 : if ( m_bDisposed )
231 0 : throw lang::DisposedException();
232 :
233 0 : return uno::Reference< io::XOutputStream >();
234 : }
235 :
236 : //-----------------------------------------------
237 0 : void SAL_CALL OFSInputStreamContainer::seek( sal_Int64 location )
238 : throw ( lang::IllegalArgumentException,
239 : io::IOException,
240 : uno::RuntimeException )
241 : {
242 0 : ::osl::MutexGuard aGuard( m_aMutex );
243 :
244 0 : if ( m_bDisposed )
245 0 : throw lang::DisposedException();
246 :
247 0 : if ( !m_xSeekable.is() )
248 0 : throw uno::RuntimeException();
249 :
250 0 : m_xSeekable->seek( location );
251 0 : }
252 :
253 : //-----------------------------------------------
254 0 : sal_Int64 SAL_CALL OFSInputStreamContainer::getPosition()
255 : throw ( io::IOException,
256 : uno::RuntimeException)
257 : {
258 0 : ::osl::MutexGuard aGuard( m_aMutex );
259 :
260 0 : if ( m_bDisposed )
261 0 : throw lang::DisposedException();
262 :
263 0 : if ( !m_xSeekable.is() )
264 0 : throw uno::RuntimeException();
265 :
266 0 : return m_xSeekable->getPosition();
267 : }
268 :
269 : //-----------------------------------------------
270 0 : sal_Int64 SAL_CALL OFSInputStreamContainer::getLength()
271 : throw ( io::IOException,
272 : uno::RuntimeException )
273 : {
274 0 : ::osl::MutexGuard aGuard( m_aMutex );
275 :
276 0 : if ( m_bDisposed )
277 0 : throw lang::DisposedException();
278 :
279 0 : if ( !m_xSeekable.is() )
280 0 : throw uno::RuntimeException();
281 :
282 0 : return m_xSeekable->getLength();
283 : }
284 :
285 : //-----------------------------------------------
286 0 : void SAL_CALL OFSInputStreamContainer::dispose( )
287 : throw ( uno::RuntimeException )
288 : {
289 0 : ::osl::MutexGuard aGuard( m_aMutex );
290 :
291 0 : if ( m_bDisposed )
292 0 : throw lang::DisposedException();
293 :
294 0 : if ( !m_xInputStream.is() )
295 0 : throw uno::RuntimeException();
296 :
297 0 : m_xInputStream->closeInput();
298 :
299 0 : if ( m_pListenersContainer )
300 : {
301 0 : lang::EventObject aSource( static_cast< ::cppu::OWeakObject*>( this ) );
302 0 : m_pListenersContainer->disposeAndClear( aSource );
303 : }
304 :
305 0 : m_bDisposed = true;
306 0 : }
307 :
308 : //-----------------------------------------------
309 0 : void SAL_CALL OFSInputStreamContainer::addEventListener( const uno::Reference< lang::XEventListener >& xListener )
310 : throw ( uno::RuntimeException )
311 : {
312 0 : ::osl::MutexGuard aGuard( m_aMutex );
313 :
314 0 : if ( m_bDisposed )
315 0 : throw lang::DisposedException();
316 :
317 0 : if ( !m_pListenersContainer )
318 0 : m_pListenersContainer = new ::cppu::OInterfaceContainerHelper( m_aMutex );
319 :
320 0 : m_pListenersContainer->addInterface( xListener );
321 0 : }
322 :
323 : //-----------------------------------------------
324 0 : void SAL_CALL OFSInputStreamContainer::removeEventListener( const uno::Reference< lang::XEventListener >& xListener )
325 : throw ( uno::RuntimeException )
326 : {
327 0 : ::osl::MutexGuard aGuard( m_aMutex );
328 :
329 0 : if ( m_bDisposed )
330 0 : throw lang::DisposedException();
331 :
332 0 : if ( m_pListenersContainer )
333 0 : m_pListenersContainer->removeInterface( xListener );
334 0 : }
335 :
336 :
337 :
338 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
