260 lines
11 KiB
C++
260 lines
11 KiB
C++
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/*************************************************************************
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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: seqinputstreamserv.cxx,v $
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*
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* $Revision: 1.2 $
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*
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* last change: $Author: hr $ $Date: 2007-06-26 16:11:17 $
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*
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* The Contents of this file are made available subject to
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* the terms of GNU Lesser General Public License Version 2.1.
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*
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2005 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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************************************************************************/
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// MARKER( update_precomp.py ): autogen include statement, do not remove
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#include "precompiled_comphelper.hxx"
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#include <sal/config.h>
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#include <osl/mutex.hxx>
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#include <cppuhelper/factory.hxx>
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#include <cppuhelper/implementationentry.hxx>
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#include <cppuhelper/implbase3.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/XSeekableInputStream.hpp>
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#include <com/sun/star/lang/XInitialization.hpp>
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#include <com/sun/star/frame/DoubleInitializationException.hpp>
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using namespace ::com::sun::star;
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::rtl::OUString SAL_CALL SequenceInputStreamService_getImplementationName();
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uno::Sequence< ::rtl::OUString > SAL_CALL SequenceInputStreamService_getSupportedServiceNames();
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uno::Reference< uno::XInterface > SAL_CALL SequenceInputStreamService_createInstance( const uno::Reference< lang::XMultiServiceFactory > & xFactory ) SAL_THROW( (uno::Exception ) );
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namespace {
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class SequenceInputStreamService:
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public ::cppu::WeakImplHelper3<
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lang::XServiceInfo,
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io::XSeekableInputStream,
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lang::XInitialization>
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{
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public:
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explicit SequenceInputStreamService( uno::Reference< lang::XMultiServiceFactory > const & xFactory );
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// ::com::sun::star::lang::XServiceInfo:
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virtual ::rtl::OUString SAL_CALL getImplementationName() throw ( uno::RuntimeException );
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virtual ::sal_Bool SAL_CALL supportsService( const ::rtl::OUString & ServiceName ) throw ( uno::RuntimeException );
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virtual uno::Sequence< ::rtl::OUString > SAL_CALL getSupportedServiceNames() throw ( uno::RuntimeException );
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// ::com::sun::star::io::XInputStream:
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virtual ::sal_Int32 SAL_CALL readBytes( uno::Sequence< ::sal_Int8 > & aData, ::sal_Int32 nBytesToRead ) throw ( uno::RuntimeException, io::NotConnectedException, io::BufferSizeExceededException, io::IOException );
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virtual ::sal_Int32 SAL_CALL readSomeBytes( uno::Sequence< ::sal_Int8 > & aData, ::sal_Int32 nMaxBytesToRead ) throw ( uno::RuntimeException, io::NotConnectedException, io::BufferSizeExceededException, io::IOException );
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virtual void SAL_CALL skipBytes( ::sal_Int32 nBytesToSkip ) throw ( uno::RuntimeException, io::NotConnectedException, io::BufferSizeExceededException, io::IOException );
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virtual ::sal_Int32 SAL_CALL available() throw ( uno::RuntimeException, io::NotConnectedException, io::IOException );
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virtual void SAL_CALL closeInput() throw ( uno::RuntimeException, io::NotConnectedException, io::IOException );
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// ::com::sun::star::io::XSeekable:
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virtual void SAL_CALL seek( ::sal_Int64 location ) throw ( uno::RuntimeException, lang::IllegalArgumentException, io::IOException );
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virtual ::sal_Int64 SAL_CALL getPosition() throw ( uno::RuntimeException, io::IOException );
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virtual ::sal_Int64 SAL_CALL getLength() throw ( uno::RuntimeException, io::IOException );
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// ::com::sun::star::lang::XInitialization:
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virtual void SAL_CALL initialize( const uno::Sequence< ::com::sun::star::uno::Any > & aArguments ) throw ( uno::RuntimeException, uno::Exception );
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private:
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SequenceInputStreamService( SequenceInputStreamService & ); // not defined
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void operator =( SequenceInputStreamService & ); // not defined
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virtual ~SequenceInputStreamService() {}
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::osl::Mutex m_aMutex;
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uno::Reference< lang::XMultiServiceFactory > m_xFactory;
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sal_Bool m_bInitialized;
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uno::Reference< io::XInputStream > m_xInputStream;
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uno::Reference< io::XSeekable > m_xSeekable;
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};
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SequenceInputStreamService::SequenceInputStreamService( uno::Reference< lang::XMultiServiceFactory > const & xFactory )
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: m_xFactory( xFactory )
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, m_bInitialized( sal_False )
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{}
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// com.sun.star.uno.XServiceInfo:
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::rtl::OUString SAL_CALL SequenceInputStreamService::getImplementationName() throw ( uno::RuntimeException )
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{
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return SequenceInputStreamService_getImplementationName();
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}
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::sal_Bool SAL_CALL SequenceInputStreamService::supportsService( ::rtl::OUString const & serviceName ) throw ( uno::RuntimeException )
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{
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uno::Sequence< ::rtl::OUString > serviceNames = SequenceInputStreamService_getSupportedServiceNames();
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for ( ::sal_Int32 i = 0; i < serviceNames.getLength(); ++i ) {
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if ( serviceNames[i] == serviceName )
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return sal_True;
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}
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return sal_False;
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}
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uno::Sequence< ::rtl::OUString > SAL_CALL SequenceInputStreamService::getSupportedServiceNames() throw ( uno::RuntimeException )
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{
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return SequenceInputStreamService_getSupportedServiceNames();
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}
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// ::com::sun::star::io::XInputStream:
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::sal_Int32 SAL_CALL SequenceInputStreamService::readBytes( uno::Sequence< ::sal_Int8 > & aData, ::sal_Int32 nBytesToRead ) throw ( uno::RuntimeException, io::NotConnectedException, io::BufferSizeExceededException, io::IOException )
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{
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::osl::MutexGuard aGuard( m_aMutex );
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if ( !m_xInputStream.is() )
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throw io::NotConnectedException();
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return m_xInputStream->readBytes( aData, nBytesToRead );
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}
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::sal_Int32 SAL_CALL SequenceInputStreamService::readSomeBytes( uno::Sequence< ::sal_Int8 > & aData, ::sal_Int32 nMaxBytesToRead ) throw ( uno::RuntimeException, io::NotConnectedException, io::BufferSizeExceededException, io::IOException )
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{
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::osl::MutexGuard aGuard( m_aMutex );
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if ( !m_xInputStream.is() )
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throw io::NotConnectedException();
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return m_xInputStream->readSomeBytes( aData, nMaxBytesToRead );
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}
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void SAL_CALL SequenceInputStreamService::skipBytes( ::sal_Int32 nBytesToSkip ) throw ( uno::RuntimeException, io::NotConnectedException, io::BufferSizeExceededException, io::IOException )
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{
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::osl::MutexGuard aGuard( m_aMutex );
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if ( !m_xInputStream.is() )
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throw io::NotConnectedException();
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return m_xInputStream->skipBytes( nBytesToSkip );
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}
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::sal_Int32 SAL_CALL SequenceInputStreamService::available() throw ( uno::RuntimeException, io::NotConnectedException, io::IOException )
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{
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::osl::MutexGuard aGuard( m_aMutex );
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if ( !m_xInputStream.is() )
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throw io::NotConnectedException();
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return m_xInputStream->available();
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}
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void SAL_CALL SequenceInputStreamService::closeInput() throw ( uno::RuntimeException, io::NotConnectedException, io::IOException )
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{
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::osl::MutexGuard aGuard( m_aMutex );
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if ( !m_xInputStream.is() )
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throw io::NotConnectedException();
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m_xInputStream->closeInput();
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m_xInputStream = uno::Reference< io::XInputStream >();
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m_xSeekable = uno::Reference< io::XSeekable >();
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}
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// ::com::sun::star::io::XSeekable:
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void SAL_CALL SequenceInputStreamService::seek( ::sal_Int64 location ) throw ( uno::RuntimeException, lang::IllegalArgumentException, io::IOException )
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{
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::osl::MutexGuard aGuard( m_aMutex );
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if ( !m_xSeekable.is() )
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throw io::NotConnectedException();
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m_xSeekable->seek( location );
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}
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::sal_Int64 SAL_CALL SequenceInputStreamService::getPosition() throw ( uno::RuntimeException, io::IOException )
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{
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::osl::MutexGuard aGuard( m_aMutex );
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if ( !m_xSeekable.is() )
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throw io::NotConnectedException();
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return m_xSeekable->getPosition();
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}
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::sal_Int64 SAL_CALL SequenceInputStreamService::getLength() throw ( uno::RuntimeException, io::IOException )
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{
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::osl::MutexGuard aGuard( m_aMutex );
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if ( !m_xSeekable.is() )
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throw io::NotConnectedException();
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return m_xSeekable->getLength();
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}
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// ::com::sun::star::lang::XInitialization:
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void SAL_CALL SequenceInputStreamService::initialize( const uno::Sequence< ::com::sun::star::uno::Any > & aArguments ) throw ( uno::RuntimeException, uno::Exception )
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{
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::osl::MutexGuard aGuard( m_aMutex );
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if ( m_bInitialized )
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throw frame::DoubleInitializationException();
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if ( aArguments.getLength() != 1 )
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throw lang::IllegalArgumentException( ::rtl::OUString::createFromAscii( "Wrong number of arguments!\n" ),
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uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ),
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1 );
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uno::Sequence< sal_Int8 > aSeq;
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if ( aArguments[0] >>= aSeq )
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{
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uno::Reference< io::XInputStream > xInputStream(
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static_cast< ::cppu::OWeakObject* >( new ::comphelper::SequenceInputStream( aSeq ) ),
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uno::UNO_QUERY_THROW );
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uno::Reference< io::XSeekable > xSeekable( xInputStream, uno::UNO_QUERY_THROW );
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m_xInputStream = xInputStream;
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m_xSeekable = xSeekable;
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m_bInitialized = sal_True;
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}
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else
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throw lang::IllegalArgumentException( ::rtl::OUString::createFromAscii( "Unexpected type of argument!\n" ),
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uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ),
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1 );
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}
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} // anonymous namespace
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::rtl::OUString SAL_CALL SequenceInputStreamService_getImplementationName() {
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return ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM(
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"com.sun.star.comp.SequenceInputStreamService" ) );
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}
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uno::Sequence< ::rtl::OUString > SAL_CALL SequenceInputStreamService_getSupportedServiceNames()
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{
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uno::Sequence< ::rtl::OUString > s( 1 );
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s[0] = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM(
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"com.sun.star.io.SequenceInputStream" ) );
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return s;
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}
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uno::Reference< uno::XInterface > SAL_CALL SequenceInputStreamService_createInstance(
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const uno::Reference< lang::XMultiServiceFactory > & xFactory )
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SAL_THROW( (uno::Exception ) )
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{
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return static_cast< ::cppu::OWeakObject * >( new SequenceInputStreamService( xFactory ) );
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}
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