884a3a006b
2008/04/01 12:27:28 thb 1.6.130.2: #i85898# Stripping all external header guards 2008/03/31 12:22:48 rt 1.6.130.1: #i87441# Change license header to LPGL v3.
106 lines
3.8 KiB
C++
106 lines
3.8 KiB
C++
/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2008 by Sun Microsystems, Inc.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* $RCSfile: localoutputstream.hxx,v $
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* $Revision: 1.7 $
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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#ifndef CONFIGMGR_LOCALBE_LOCALOUTPUTSTREAM_HXX_
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#define CONFIGMGR_LOCALBE_LOCALOUTPUTSTREAM_HXX_
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#include "oslstream.hxx"
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#include "filehelper.hxx"
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#include <com/sun/star/configuration/backend/BackendAccessException.hpp>
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namespace configmgr { namespace localbe {
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namespace css = com::sun::star ;
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namespace uno = css::uno ;
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namespace io = css::io ;
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namespace backend = css::configuration::backend ;
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/**
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Class wrapping the use of the XOutputStream implementation on a file
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to make it handle a temporary file and synch the contents to the
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actual file being accessed only on successful completion of the output
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process.
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*/
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class LocalOutputStream : public cppu::WeakImplHelper1<io::XOutputStream>
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{
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public :
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/**
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Constructor using the URL of the file to access.
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The actual writing will occur in a temporary file
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whose name is derived from the URL, and the file
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specified by the parameter will be overwritten
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on closing the stream.
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@param aFileUrl URL of the file to write
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@throws com::sun::star::io::IOException
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if access to the temporary file fails.
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*/
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LocalOutputStream(const rtl::OUString& aFileUrl)
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throw (backend::BackendAccessException, uno::RuntimeException) ;
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/** Destructor */
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~LocalOutputStream(void) ;
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// closeOutput and mark as successful
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void finishOutput()
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throw (backend::BackendAccessException, uno::RuntimeException) ;
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protected :
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// XOutputStream
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virtual void SAL_CALL writeBytes(const uno::Sequence<sal_Int8>& aData)
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throw (io::NotConnectedException,
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io::BufferSizeExceededException,
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io::IOException, uno::RuntimeException);
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virtual void SAL_CALL flush(void)
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throw (io::NotConnectedException,
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io::BufferSizeExceededException,
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io::IOException, uno::RuntimeException);
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virtual void SAL_CALL closeOutput(void)
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throw (io::NotConnectedException,
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io::BufferSizeExceededException,
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io::IOException, uno::RuntimeException) ;
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private :
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uno::Reference<io::XOutputStream> getOutputFile() ;
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/** Temporary file used during access */
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uno::Reference<io::XOutputStream> mTemporaryFile ;
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/** URL of the target file */
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rtl::OUString mFileUrl ;
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/** URL of the temporary file */
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rtl::OUString mTemporaryFileUrl ;
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/** File being written */
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osl::File *mWriteFile ;
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} ;
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} } // configmgr.localbe
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#endif // CONFIGMGR_LOCALBE_LOCALOUTPUTSTREAM_HXX_
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