diff options
Diffstat (limited to 'comphelper/source/streaming/seqinputstreamserv.cxx')
| -rw-r--r-- | comphelper/source/streaming/seqinputstreamserv.cxx | 254 |
1 files changed, 254 insertions, 0 deletions
diff --git a/comphelper/source/streaming/seqinputstreamserv.cxx b/comphelper/source/streaming/seqinputstreamserv.cxx new file mode 100644 index 000000000000..af7d9fcf44dd --- /dev/null +++ b/comphelper/source/streaming/seqinputstreamserv.cxx @@ -0,0 +1,254 @@ +/************************************************************************* + * + * 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 + * <http://www.openoffice.org/license.html> + * 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 <sal/config.h> +#include <osl/mutex.hxx> +#include <cppuhelper/factory.hxx> +#include <cppuhelper/implementationentry.hxx> +#include <cppuhelper/implbase3.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::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; +} |