10d2f2ebf1
Change-Id: Ide07689bf1a68973cb176554e44e9a809d633def Reviewed-on: https://gerrit.libreoffice.org/c/core/+/166851 Tested-by: Jenkins Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
144 lines
4.6 KiB
C++
144 lines
4.6 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <sal/config.h>
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#include <cppuhelper/implbase.hxx>
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#include <cppuhelper/supportsservice.hxx>
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#include <comphelper/seqstream.hxx>
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#include <com/sun/star/lang/XServiceInfo.hpp>
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#include <com/sun/star/io/NotConnectedException.hpp>
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#include <com/sun/star/io/XSequenceOutputStream.hpp>
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#include <mutex>
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namespace com::sun::star::uno { class XComponentContext; }
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using namespace ::com::sun::star;
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namespace {
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class SequenceOutputStreamService:
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public cppu::WeakImplHelper<lang::XServiceInfo, io::XSequenceOutputStream>
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{
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public:
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explicit SequenceOutputStreamService();
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// noncopyable
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SequenceOutputStreamService(const SequenceOutputStreamService&) = delete;
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const SequenceOutputStreamService& operator=(const SequenceOutputStreamService&) = delete;
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// css::lang::XServiceInfo:
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virtual OUString SAL_CALL getImplementationName() override;
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virtual sal_Bool SAL_CALL supportsService( const OUString & ServiceName ) override;
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virtual uno::Sequence< OUString > SAL_CALL getSupportedServiceNames() override;
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// css::io::XOutputStream:
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virtual void SAL_CALL writeBytes( const uno::Sequence< ::sal_Int8 > & aData ) override;
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virtual void SAL_CALL flush() override;
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virtual void SAL_CALL closeOutput() override;
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// css::io::XSequenceOutputStream:
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virtual uno::Sequence< ::sal_Int8 > SAL_CALL getWrittenBytes( ) override;
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private:
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virtual ~SequenceOutputStreamService() override {};
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std::mutex m_aMutex;
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// WARNING: dtor of m_xOutputStream writes into m_aSequence so that must live longer!
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uno::Sequence< ::sal_Int8 > m_aSequence;
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uno::Reference< io::XOutputStream > m_xOutputStream;
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};
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SequenceOutputStreamService::SequenceOutputStreamService()
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{
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m_xOutputStream.set( static_cast < ::cppu::OWeakObject* >( new ::comphelper::OSequenceOutputStream( m_aSequence ) ), uno::UNO_QUERY_THROW );
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}
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// com.sun.star.uno.XServiceInfo:
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OUString SAL_CALL SequenceOutputStreamService::getImplementationName()
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{
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return u"com.sun.star.comp.SequenceOutputStreamService"_ustr;
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}
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sal_Bool SAL_CALL SequenceOutputStreamService::supportsService( OUString const & serviceName )
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{
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return cppu::supportsService(this, serviceName);
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}
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uno::Sequence< OUString > SAL_CALL SequenceOutputStreamService::getSupportedServiceNames()
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{
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return { u"com.sun.star.io.SequenceOutputStream"_ustr };
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}
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// css::io::XOutputStream:
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void SAL_CALL SequenceOutputStreamService::writeBytes( const uno::Sequence< ::sal_Int8 > & aData )
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{
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std::scoped_lock aGuard( m_aMutex );
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if ( !m_xOutputStream.is() )
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throw io::NotConnectedException();
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m_xOutputStream->writeBytes( aData );
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}
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void SAL_CALL SequenceOutputStreamService::flush()
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{
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std::scoped_lock aGuard( m_aMutex );
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if ( !m_xOutputStream.is() )
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throw io::NotConnectedException();
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m_xOutputStream->flush();
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};
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void SAL_CALL SequenceOutputStreamService::closeOutput()
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{
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std::scoped_lock aGuard( m_aMutex );
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if ( !m_xOutputStream.is() )
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throw io::NotConnectedException();
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m_xOutputStream->flush();
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m_xOutputStream->closeOutput();
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m_xOutputStream.clear();
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}
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// css::io::XSequenceOutputStream:
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uno::Sequence< ::sal_Int8 > SAL_CALL SequenceOutputStreamService::getWrittenBytes()
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{
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std::scoped_lock aGuard( m_aMutex );
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if (m_xOutputStream.is())
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{
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m_xOutputStream->flush();
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}
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// else: no exception, just return the finished sequence
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return m_aSequence;
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}
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} // anonymous namespace
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extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface *
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com_sun_star_comp_SequenceOutputStreamService(
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css::uno::XComponentContext *,
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css::uno::Sequence<css::uno::Any> const &)
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{
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return cppu::acquire(new SequenceOutputStreamService());
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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