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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <sal/config.h>
#include "comphelper_module.hxx"
#include "comphelper_services.hxx"
#include <boost/noncopyable.hpp>
#include <osl/mutex.hxx>
#include <cppuhelper/factory.hxx>
#include <cppuhelper/implementationentry.hxx>
#include <cppuhelper/implbase.hxx>
#include <cppuhelper/supportsservice.hxx>
#include <comphelper/seqstream.hxx>
#include <com/sun/star/lang/XServiceInfo.hpp>
#include <com/sun/star/io/XSeekableInputStream.hpp>
#include <com/sun/star/lang/XInitialization.hpp>
#include <com/sun/star/frame/DoubleInitializationException.hpp>
#include <com/sun/star/uno/XComponentContext.hpp>
using namespace ::com::sun::star;
namespace {
class SequenceInputStreamService:
public ::cppu::WeakImplHelper<
lang::XServiceInfo,
io::XSeekableInputStream,
lang::XInitialization>,
private boost::noncopyable
{
public:
explicit SequenceInputStreamService();
// css::lang::XServiceInfo:
virtual OUString SAL_CALL getImplementationName() throw ( uno::RuntimeException, std::exception ) SAL_OVERRIDE;
virtual sal_Bool SAL_CALL supportsService( const OUString & ServiceName ) throw ( uno::RuntimeException, std::exception ) SAL_OVERRIDE;
virtual uno::Sequence< OUString > SAL_CALL getSupportedServiceNames() throw ( uno::RuntimeException, std::exception ) SAL_OVERRIDE;
// XServiceInfo - static versions (used for component registration)
static OUString SAL_CALL getImplementationName_static();
static uno::Sequence< OUString > SAL_CALL getSupportedServiceNames_static();
static uno::Reference< uno::XInterface > SAL_CALL Create( const uno::Reference< uno::XComponentContext >& );
// css::io::XInputStream:
virtual ::sal_Int32 SAL_CALL readBytes( uno::Sequence< ::sal_Int8 > & aData, ::sal_Int32 nBytesToRead ) throw ( uno::RuntimeException, io::NotConnectedException, io::BufferSizeExceededException, io::IOException, std::exception ) SAL_OVERRIDE;
virtual ::sal_Int32 SAL_CALL readSomeBytes( uno::Sequence< ::sal_Int8 > & aData, ::sal_Int32 nMaxBytesToRead ) throw ( uno::RuntimeException, io::NotConnectedException, io::BufferSizeExceededException, io::IOException, std::exception ) SAL_OVERRIDE;
virtual void SAL_CALL skipBytes( ::sal_Int32 nBytesToSkip ) throw ( uno::RuntimeException, io::NotConnectedException, io::BufferSizeExceededException, io::IOException, std::exception ) SAL_OVERRIDE;
virtual ::sal_Int32 SAL_CALL available() throw ( uno::RuntimeException, io::NotConnectedException, io::IOException, std::exception ) SAL_OVERRIDE;
virtual void SAL_CALL closeInput() throw ( uno::RuntimeException, io::NotConnectedException, io::IOException, std::exception ) SAL_OVERRIDE;
// css::io::XSeekable:
virtual void SAL_CALL seek( ::sal_Int64 location ) throw ( uno::RuntimeException, lang::IllegalArgumentException, io::IOException, std::exception ) SAL_OVERRIDE;
virtual ::sal_Int64 SAL_CALL getPosition() throw ( uno::RuntimeException, io::IOException, std::exception ) SAL_OVERRIDE;
virtual ::sal_Int64 SAL_CALL getLength() throw ( uno::RuntimeException, io::IOException, std::exception ) SAL_OVERRIDE;
// css::lang::XInitialization:
virtual void SAL_CALL initialize( const uno::Sequence< css::uno::Any > & aArguments ) throw ( uno::RuntimeException, uno::Exception, std::exception ) SAL_OVERRIDE;
private:
virtual ~SequenceInputStreamService() {}
::osl::Mutex m_aMutex;
bool m_bInitialized;
uno::Reference< io::XInputStream > m_xInputStream;
uno::Reference< io::XSeekable > m_xSeekable;
};
SequenceInputStreamService::SequenceInputStreamService()
: m_bInitialized( false )
{}
// com.sun.star.uno.XServiceInfo:
OUString SAL_CALL SequenceInputStreamService::getImplementationName() throw ( uno::RuntimeException, std::exception )
{
return getImplementationName_static();
}
OUString SAL_CALL SequenceInputStreamService::getImplementationName_static()
{
return OUString( "com.sun.star.comp.SequenceInputStreamService" );
}
sal_Bool SAL_CALL SequenceInputStreamService::supportsService( OUString const & serviceName ) throw ( uno::RuntimeException, std::exception )
{
return cppu::supportsService(this, serviceName);
}
uno::Sequence< OUString > SAL_CALL SequenceInputStreamService::getSupportedServiceNames() throw ( uno::RuntimeException, std::exception )
{
return getSupportedServiceNames_static();
}
uno::Sequence< OUString > SAL_CALL SequenceInputStreamService::getSupportedServiceNames_static()
{
uno::Sequence< OUString > s( 1 );
s[0] = "com.sun.star.io.SequenceInputStream";
return s;
}
uno::Reference< uno::XInterface > SAL_CALL SequenceInputStreamService::Create(
SAL_UNUSED_PARAMETER const uno::Reference< uno::XComponentContext >& )
{
return static_cast< ::cppu::OWeakObject * >( new SequenceInputStreamService() );
}
// css::io::XInputStream:
::sal_Int32 SAL_CALL SequenceInputStreamService::readBytes( uno::Sequence< ::sal_Int8 > & aData, ::sal_Int32 nBytesToRead ) throw ( uno::RuntimeException, io::NotConnectedException, io::BufferSizeExceededException, io::IOException, std::exception )
{
::osl::MutexGuard aGuard( m_aMutex );
if ( !m_xInputStream.is() )
throw io::NotConnectedException();
return m_xInputStream->readBytes( aData, nBytesToRead );
}
::sal_Int32 SAL_CALL SequenceInputStreamService::readSomeBytes( uno::Sequence< ::sal_Int8 > & aData, ::sal_Int32 nMaxBytesToRead ) throw ( uno::RuntimeException, io::NotConnectedException, io::BufferSizeExceededException, io::IOException, std::exception )
{
::osl::MutexGuard aGuard( m_aMutex );
if ( !m_xInputStream.is() )
throw io::NotConnectedException();
return m_xInputStream->readSomeBytes( aData, nMaxBytesToRead );
}
void SAL_CALL SequenceInputStreamService::skipBytes( ::sal_Int32 nBytesToSkip ) throw ( uno::RuntimeException, io::NotConnectedException, io::BufferSizeExceededException, io::IOException, std::exception )
{
::osl::MutexGuard aGuard( m_aMutex );
if ( !m_xInputStream.is() )
throw io::NotConnectedException();
return m_xInputStream->skipBytes( nBytesToSkip );
}
::sal_Int32 SAL_CALL SequenceInputStreamService::available() throw ( uno::RuntimeException, io::NotConnectedException, io::IOException, std::exception )
{
::osl::MutexGuard aGuard( m_aMutex );
if ( !m_xInputStream.is() )
throw io::NotConnectedException();
return m_xInputStream->available();
}
void SAL_CALL SequenceInputStreamService::closeInput() throw ( uno::RuntimeException, io::NotConnectedException, io::IOException, std::exception )
{
::osl::MutexGuard aGuard( m_aMutex );
if ( !m_xInputStream.is() )
throw io::NotConnectedException();
m_xInputStream->closeInput();
m_xInputStream = uno::Reference< io::XInputStream >();
m_xSeekable = uno::Reference< io::XSeekable >();
}
// css::io::XSeekable:
void SAL_CALL SequenceInputStreamService::seek( ::sal_Int64 location ) throw ( uno::RuntimeException, lang::IllegalArgumentException, io::IOException, std::exception )
{
::osl::MutexGuard aGuard( m_aMutex );
if ( !m_xSeekable.is() )
throw io::NotConnectedException();
m_xSeekable->seek( location );
}
::sal_Int64 SAL_CALL SequenceInputStreamService::getPosition() throw ( uno::RuntimeException, io::IOException, std::exception )
{
::osl::MutexGuard aGuard( m_aMutex );
if ( !m_xSeekable.is() )
throw io::NotConnectedException();
return m_xSeekable->getPosition();
}
::sal_Int64 SAL_CALL SequenceInputStreamService::getLength() throw ( uno::RuntimeException, io::IOException, std::exception )
{
::osl::MutexGuard aGuard( m_aMutex );
if ( !m_xSeekable.is() )
throw io::NotConnectedException();
return m_xSeekable->getLength();
}
// css::lang::XInitialization:
void SAL_CALL SequenceInputStreamService::initialize( const uno::Sequence< css::uno::Any > & aArguments ) throw ( uno::RuntimeException, uno::Exception, std::exception )
{
::osl::MutexGuard aGuard( m_aMutex );
if ( m_bInitialized )
throw frame::DoubleInitializationException();
if ( aArguments.getLength() != 1 )
throw lang::IllegalArgumentException( "Wrong number of arguments!",
static_cast< ::cppu::OWeakObject* >(this),
1 );
uno::Sequence< sal_Int8 > aSeq;
if ( aArguments[0] >>= aSeq )
{
uno::Reference< io::XInputStream > xInputStream(
static_cast< ::cppu::OWeakObject* >( new ::comphelper::SequenceInputStream( aSeq ) ),
uno::UNO_QUERY_THROW );
uno::Reference< io::XSeekable > xSeekable( xInputStream, uno::UNO_QUERY_THROW );
m_xInputStream = xInputStream;
m_xSeekable = xSeekable;
m_bInitialized = true;
}
else
throw lang::IllegalArgumentException( "Unexpected type of argument!",
static_cast< ::cppu::OWeakObject* >(this),
1 );
}
} // anonymous namespace
void createRegistryInfo_SequenceInputStream()
{
static ::comphelper::module::OAutoRegistration< SequenceInputStreamService > aAutoRegistration;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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