/************************************************************************* * * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * Copyright 2008 by Sun Microsystems, Inc. * * OpenOffice.org - a multi-platform office productivity suite * * $RCSfile: seqinputstreamserv.cxx,v $ * $Revision: 1.4 $ * * This file is part of OpenOffice.org. * * OpenOffice.org is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License version 3 * only, as published by the Free Software Foundation. * * OpenOffice.org is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License version 3 for more details * (a copy is included in the LICENSE file that accompanied this code). * * You should have received a copy of the GNU Lesser General Public License * version 3 along with OpenOffice.org. If not, see * * for a copy of the LGPLv3 License. * ************************************************************************/ // MARKER( update_precomp.py ): autogen include statement, do not remove #include "precompiled_comphelper.hxx" #include "comphelper_module.hxx" #include #include #include #include #include #include #include #include #include #include #include using namespace ::com::sun::star; namespace { class SequenceInputStreamService: public ::cppu::WeakImplHelper3< lang::XServiceInfo, io::XSeekableInputStream, lang::XInitialization> { public: explicit SequenceInputStreamService(); // ::com::sun::star::lang::XServiceInfo: virtual ::rtl::OUString SAL_CALL getImplementationName() throw ( uno::RuntimeException ); virtual ::sal_Bool SAL_CALL supportsService( const ::rtl::OUString & ServiceName ) throw ( uno::RuntimeException ); virtual uno::Sequence< ::rtl::OUString > SAL_CALL getSupportedServiceNames() throw ( uno::RuntimeException ); // XServiceInfo - static versions (used for component registration) static ::rtl::OUString SAL_CALL getImplementationName_static(); static uno::Sequence< ::rtl::OUString > SAL_CALL getSupportedServiceNames_static(); static uno::Reference< uno::XInterface > SAL_CALL Create( const uno::Reference< uno::XComponentContext >& ); // ::com::sun::star::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 ); virtual ::sal_Int32 SAL_CALL readSomeBytes( uno::Sequence< ::sal_Int8 > & aData, ::sal_Int32 nMaxBytesToRead ) throw ( uno::RuntimeException, io::NotConnectedException, io::BufferSizeExceededException, io::IOException ); virtual void SAL_CALL skipBytes( ::sal_Int32 nBytesToSkip ) throw ( uno::RuntimeException, io::NotConnectedException, io::BufferSizeExceededException, io::IOException ); virtual ::sal_Int32 SAL_CALL available() throw ( uno::RuntimeException, io::NotConnectedException, io::IOException ); virtual void SAL_CALL closeInput() throw ( uno::RuntimeException, io::NotConnectedException, io::IOException ); // ::com::sun::star::io::XSeekable: virtual void SAL_CALL seek( ::sal_Int64 location ) throw ( uno::RuntimeException, lang::IllegalArgumentException, io::IOException ); virtual ::sal_Int64 SAL_CALL getPosition() throw ( uno::RuntimeException, io::IOException ); virtual ::sal_Int64 SAL_CALL getLength() throw ( uno::RuntimeException, io::IOException ); // ::com::sun::star::lang::XInitialization: virtual void SAL_CALL initialize( const uno::Sequence< ::com::sun::star::uno::Any > & aArguments ) throw ( uno::RuntimeException, uno::Exception ); private: SequenceInputStreamService( SequenceInputStreamService & ); // not defined void operator =( SequenceInputStreamService & ); // not defined virtual ~SequenceInputStreamService() {} ::osl::Mutex m_aMutex; sal_Bool m_bInitialized; uno::Reference< io::XInputStream > m_xInputStream; uno::Reference< io::XSeekable > m_xSeekable; }; SequenceInputStreamService::SequenceInputStreamService() : m_bInitialized( sal_False ) {} // com.sun.star.uno.XServiceInfo: ::rtl::OUString SAL_CALL SequenceInputStreamService::getImplementationName() throw ( uno::RuntimeException ) { return getImplementationName_static(); } ::rtl::OUString SAL_CALL SequenceInputStreamService::getImplementationName_static() { return ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.comp.SequenceInputStreamService" ) ); } ::sal_Bool SAL_CALL SequenceInputStreamService::supportsService( ::rtl::OUString const & serviceName ) throw ( uno::RuntimeException ) { uno::Sequence< ::rtl::OUString > serviceNames = getSupportedServiceNames(); for ( ::sal_Int32 i = 0; i < serviceNames.getLength(); ++i ) { if ( serviceNames[i] == serviceName ) return sal_True; } return sal_False; } uno::Sequence< ::rtl::OUString > SAL_CALL SequenceInputStreamService::getSupportedServiceNames() throw ( uno::RuntimeException ) { return getSupportedServiceNames_static(); } uno::Sequence< ::rtl::OUString > SAL_CALL SequenceInputStreamService::getSupportedServiceNames_static() { uno::Sequence< ::rtl::OUString > s( 1 ); s[0] = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.io.SequenceInputStream" ) ); return s; } uno::Reference< uno::XInterface > SAL_CALL SequenceInputStreamService::Create( const uno::Reference< uno::XComponentContext >& ) { return static_cast< ::cppu::OWeakObject * >( new SequenceInputStreamService() ); } // ::com::sun::star::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 ) { ::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 ) { ::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 ) { ::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 ) { ::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 ) { ::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 >(); } // ::com::sun::star::io::XSeekable: void SAL_CALL SequenceInputStreamService::seek( ::sal_Int64 location ) throw ( uno::RuntimeException, lang::IllegalArgumentException, io::IOException ) { ::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 ) { ::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 ) { ::osl::MutexGuard aGuard( m_aMutex ); if ( !m_xSeekable.is() ) throw io::NotConnectedException(); return m_xSeekable->getLength(); } // ::com::sun::star::lang::XInitialization: void SAL_CALL SequenceInputStreamService::initialize( const uno::Sequence< ::com::sun::star::uno::Any > & aArguments ) throw ( uno::RuntimeException, uno::Exception ) { ::osl::MutexGuard aGuard( m_aMutex ); if ( m_bInitialized ) throw frame::DoubleInitializationException(); if ( aArguments.getLength() != 1 ) throw lang::IllegalArgumentException( ::rtl::OUString::createFromAscii( "Wrong number of arguments!\n" ), uno::Reference< uno::XInterface >( 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 = sal_True; } else throw lang::IllegalArgumentException( ::rtl::OUString::createFromAscii( "Unexpected type of argument!\n" ), uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ), 1 ); } } // anonymous namespace void createRegistryInfo_SequenceInputStream() { static ::comphelper::module::OAutoRegistration< SequenceInputStreamService > aAutoRegistration; }