| /************************************************************** |
| * |
| * 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 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| *************************************************************/ |
| |
| |
| |
| // MARKER(update_precomp.py): autogen include statement, do not remove |
| #include "precompiled_package.hxx" |
| #include <osl/diagnose.h> |
| |
| #include "wrapstreamforshare.hxx" |
| |
| using namespace ::com::sun::star; |
| |
| |
| WrapStreamForShare::WrapStreamForShare( const uno::Reference< io::XInputStream >& xInStream, |
| const SotMutexHolderRef& rMutexRef ) |
| : m_rMutexRef( rMutexRef ) |
| , m_xInStream( xInStream ) |
| , m_nCurPos( 0 ) |
| { |
| m_xSeekable = uno::Reference< io::XSeekable >( m_xInStream, uno::UNO_QUERY ); |
| if ( !m_rMutexRef.Is() || !m_xInStream.is() || !m_xSeekable.is() ) |
| { |
| OSL_ENSURE( sal_False, "Wrong initialization of wrapping stream!\n" ); |
| throw uno::RuntimeException( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( OSL_LOG_PREFIX ) ), uno::Reference< uno::XInterface >() ); |
| } |
| } |
| |
| WrapStreamForShare::~WrapStreamForShare() |
| { |
| } |
| |
| // XInputStream |
| sal_Int32 SAL_CALL WrapStreamForShare::readBytes( uno::Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead ) |
| throw ( io::NotConnectedException, |
| io::BufferSizeExceededException, |
| io::IOException, |
| uno::RuntimeException ) |
| { |
| ::osl::MutexGuard aGuard( m_rMutexRef->GetMutex() ); |
| |
| if ( !m_xInStream.is() ) |
| throw io::IOException( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( OSL_LOG_PREFIX ) ), uno::Reference< uno::XInterface >() ); |
| |
| m_xSeekable->seek( m_nCurPos ); |
| |
| sal_Int32 nRead = m_xInStream->readBytes( aData, nBytesToRead ); |
| m_nCurPos += nRead; |
| |
| return nRead; |
| } |
| |
| sal_Int32 SAL_CALL WrapStreamForShare::readSomeBytes( uno::Sequence< sal_Int8 >& aData, sal_Int32 nMaxBytesToRead ) |
| throw ( io::NotConnectedException, |
| io::BufferSizeExceededException, |
| io::IOException, |
| uno::RuntimeException ) |
| { |
| ::osl::MutexGuard aGuard( m_rMutexRef->GetMutex() ); |
| |
| if ( !m_xInStream.is() ) |
| throw io::IOException( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( OSL_LOG_PREFIX ) ), uno::Reference< uno::XInterface >() ); |
| |
| m_xSeekable->seek( m_nCurPos ); |
| |
| sal_Int32 nRead = m_xInStream->readSomeBytes( aData, nMaxBytesToRead ); |
| m_nCurPos += nRead; |
| |
| return nRead; |
| } |
| |
| void SAL_CALL WrapStreamForShare::skipBytes( sal_Int32 nBytesToSkip ) |
| throw ( io::NotConnectedException, |
| io::BufferSizeExceededException, |
| io::IOException, |
| uno::RuntimeException ) |
| { |
| ::osl::MutexGuard aGuard( m_rMutexRef->GetMutex() ); |
| |
| if ( !m_xInStream.is() ) |
| throw io::IOException( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( OSL_LOG_PREFIX ) ), uno::Reference< uno::XInterface >() ); |
| |
| m_xSeekable->seek( m_nCurPos ); |
| |
| m_xInStream->skipBytes( nBytesToSkip ); |
| m_nCurPos = m_xSeekable->getPosition(); |
| } |
| |
| sal_Int32 SAL_CALL WrapStreamForShare::available() |
| throw ( io::NotConnectedException, |
| io::IOException, |
| uno::RuntimeException ) |
| { |
| ::osl::MutexGuard aGuard( m_rMutexRef->GetMutex() ); |
| |
| if ( !m_xInStream.is() ) |
| throw io::IOException( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( OSL_LOG_PREFIX ) ), uno::Reference< uno::XInterface >() ); |
| |
| return m_xInStream->available(); |
| } |
| |
| void SAL_CALL WrapStreamForShare::closeInput() |
| throw ( io::NotConnectedException, |
| io::IOException, |
| uno::RuntimeException ) |
| { |
| ::osl::MutexGuard aGuard( m_rMutexRef->GetMutex() ); |
| |
| if ( !m_xInStream.is() ) |
| throw io::IOException( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( OSL_LOG_PREFIX ) ), uno::Reference< uno::XInterface >() ); |
| |
| // the package is the owner so it will close the stream |
| // m_xInStream->closeInput(); |
| m_xInStream = uno::Reference< io::XInputStream >(); |
| m_xSeekable = uno::Reference< io::XSeekable >(); |
| } |
| |
| // XSeekable |
| void SAL_CALL WrapStreamForShare::seek( sal_Int64 location ) |
| throw ( lang::IllegalArgumentException, |
| io::IOException, |
| uno::RuntimeException ) |
| { |
| ::osl::MutexGuard aGuard( m_rMutexRef->GetMutex() ); |
| |
| if ( !m_xInStream.is() ) |
| throw io::IOException( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( OSL_LOG_PREFIX ) ), uno::Reference< uno::XInterface >() ); |
| |
| // let stream implementation do all the checking |
| m_xSeekable->seek( location ); |
| |
| m_nCurPos = m_xSeekable->getPosition(); |
| } |
| |
| sal_Int64 SAL_CALL WrapStreamForShare::getPosition() |
| throw ( io::IOException, |
| uno::RuntimeException) |
| { |
| ::osl::MutexGuard aGuard( m_rMutexRef->GetMutex() ); |
| |
| if ( !m_xInStream.is() ) |
| throw io::IOException( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( OSL_LOG_PREFIX ) ), uno::Reference< uno::XInterface >() ); |
| |
| return m_nCurPos; |
| } |
| |
| sal_Int64 SAL_CALL WrapStreamForShare::getLength() |
| throw ( io::IOException, |
| uno::RuntimeException ) |
| { |
| ::osl::MutexGuard aGuard( m_rMutexRef->GetMutex() ); |
| |
| if ( !m_xInStream.is() ) |
| throw io::IOException( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( OSL_LOG_PREFIX ) ), uno::Reference< uno::XInterface >() ); |
| |
| return m_xSeekable->getLength(); |
| } |
| |