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-rw-r--r--svl/source/fsstor/ostreamcontainer.cxx452
1 files changed, 452 insertions, 0 deletions
diff --git a/svl/source/fsstor/ostreamcontainer.cxx b/svl/source/fsstor/ostreamcontainer.cxx
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+++ b/svl/source/fsstor/ostreamcontainer.cxx
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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 "ostreamcontainer.hxx"
+
+#include <cppuhelper/queryinterface.hxx>
+#include <comphelper/sequence.hxx>
+
+
+using namespace ::com::sun::star;
+
+OFSStreamContainer::OFSStreamContainer( const uno::Reference < io::XStream >& xStream )
+: m_bDisposed( false )
+, m_bInputClosed( false )
+, m_bOutputClosed( false )
+{
+ try
+ {
+ m_xStream = xStream;
+ if ( !m_xStream.is() )
+ throw uno::RuntimeException();
+
+ m_xSeekable.set( xStream, uno::UNO_QUERY );
+ m_xInputStream = xStream->getInputStream();
+ m_xOutputStream = xStream->getOutputStream();
+ m_xTruncate.set( m_xOutputStream, uno::UNO_QUERY );
+ m_xAsyncOutputMonitor.set( m_xOutputStream, uno::UNO_QUERY );
+ }
+ catch( uno::Exception& )
+ {
+ m_xStream.clear();
+ m_xSeekable.clear();
+ m_xInputStream.clear();
+ m_xOutputStream.clear();
+ m_xTruncate.clear();
+ m_xAsyncOutputMonitor.clear();
+ }
+}
+
+OFSStreamContainer::~OFSStreamContainer()
+{
+}
+
+// XInterface
+uno::Any SAL_CALL OFSStreamContainer::queryInterface( const uno::Type& rType )
+{
+ uno::Any aReturn = ::cppu::queryInterface
+ ( rType
+ , static_cast<lang::XTypeProvider*> ( this )
+ , static_cast<io::XStream*> ( this )
+ , static_cast<embed::XExtendedStorageStream*> ( this )
+ , static_cast<lang::XComponent*> ( this ) );
+
+ if ( aReturn.hasValue() )
+ return aReturn ;
+
+ if ( m_xSeekable.is() )
+ {
+ aReturn = ::cppu::queryInterface
+ ( rType
+ , static_cast<io::XSeekable*> ( this ) );
+
+ if ( aReturn.hasValue() )
+ return aReturn ;
+ }
+
+ if ( m_xInputStream.is() )
+ {
+ aReturn = ::cppu::queryInterface
+ ( rType
+ , static_cast<io::XInputStream*> ( this ) );
+
+ if ( aReturn.hasValue() )
+ return aReturn ;
+ }
+ if ( m_xOutputStream.is() )
+ {
+ aReturn = ::cppu::queryInterface
+ ( rType
+ , static_cast<io::XOutputStream*> ( this ) );
+
+ if ( aReturn.hasValue() )
+ return aReturn ;
+ }
+ if ( m_xTruncate.is() )
+ {
+ aReturn = ::cppu::queryInterface
+ ( rType
+ , static_cast<io::XTruncate*> ( this ) );
+
+ if ( aReturn.hasValue() )
+ return aReturn ;
+ }
+ if ( m_xAsyncOutputMonitor.is() )
+ {
+ aReturn = ::cppu::queryInterface
+ ( rType
+ , static_cast<io::XAsyncOutputMonitor*> ( this ) );
+
+ if ( aReturn.hasValue() )
+ return aReturn ;
+ }
+
+ return OWeakObject::queryInterface( rType );
+}
+
+void SAL_CALL OFSStreamContainer::acquire()
+ throw()
+{
+ OWeakObject::acquire();
+}
+
+void SAL_CALL OFSStreamContainer::release()
+ throw()
+{
+ OWeakObject::release();
+}
+
+// XTypeProvider
+uno::Sequence< uno::Type > SAL_CALL OFSStreamContainer::getTypes()
+{
+ if ( !m_aTypes.hasElements() )
+ {
+ ::osl::MutexGuard aGuard( m_aMutex );
+
+ if ( !m_aTypes.hasElements() )
+ {
+ std::vector<uno::Type> tmp;
+ tmp.push_back(cppu::UnoType<lang::XTypeProvider>::get());
+ tmp.push_back(cppu::UnoType<embed::XExtendedStorageStream>::get());
+
+ if ( m_xSeekable.is() )
+ tmp.push_back(cppu::UnoType<io::XSeekable>::get());
+ if ( m_xInputStream.is() )
+ tmp.push_back(cppu::UnoType<io::XInputStream>::get());
+ if ( m_xOutputStream.is() )
+ tmp.push_back(cppu::UnoType<io::XOutputStream>::get());
+ if ( m_xTruncate.is() )
+ tmp.push_back(cppu::UnoType<io::XTruncate>::get());
+ if ( m_xAsyncOutputMonitor.is() )
+ tmp.push_back(cppu::UnoType<io::XAsyncOutputMonitor>::get());
+
+ m_aTypes = comphelper::containerToSequence(tmp);
+ }
+ }
+ return m_aTypes;
+}
+
+uno::Sequence< sal_Int8 > SAL_CALL OFSStreamContainer::getImplementationId()
+{
+ return css::uno::Sequence<sal_Int8>();
+}
+
+// XStream
+uno::Reference< io::XInputStream > SAL_CALL OFSStreamContainer::getInputStream()
+{
+ ::osl::MutexGuard aGuard( m_aMutex );
+
+ if ( m_bDisposed )
+ throw lang::DisposedException();
+
+ if ( !m_xStream.is() )
+ throw uno::RuntimeException();
+
+ if ( m_xInputStream.is() )
+ return uno::Reference< io::XInputStream >( static_cast< io::XInputStream* >( this ) );
+
+ return uno::Reference< io::XInputStream >();
+}
+
+uno::Reference< io::XOutputStream > SAL_CALL OFSStreamContainer::getOutputStream()
+{
+ ::osl::MutexGuard aGuard( m_aMutex );
+
+ if ( m_bDisposed )
+ throw lang::DisposedException();
+
+ if ( !m_xStream.is() )
+ throw uno::RuntimeException();
+
+ if ( m_xOutputStream.is() )
+ return uno::Reference< io::XOutputStream >( static_cast< io::XOutputStream* >( this ) );
+
+ return uno::Reference< io::XOutputStream >();
+}
+
+// XComponent
+void SAL_CALL OFSStreamContainer::dispose()
+{
+ ::osl::MutexGuard aGuard( m_aMutex );
+
+ if ( m_bDisposed )
+ throw lang::DisposedException();
+
+ if ( !m_xStream.is() )
+ throw uno::RuntimeException();
+
+ if ( m_xInputStream.is() && !m_bInputClosed )
+ {
+ m_xInputStream->closeInput();
+ m_bInputClosed = true;
+ }
+
+ if ( m_xOutputStream.is() && !m_bOutputClosed )
+ {
+ m_xOutputStream->closeOutput();
+ m_bOutputClosed = true;
+ }
+
+ if ( m_pListenersContainer )
+ {
+ lang::EventObject aSource( static_cast< ::cppu::OWeakObject*>( this ) );
+ m_pListenersContainer->disposeAndClear( aSource );
+ }
+
+ m_bDisposed = true;
+}
+
+void SAL_CALL OFSStreamContainer::addEventListener( const uno::Reference< lang::XEventListener >& xListener )
+{
+ ::osl::MutexGuard aGuard( m_aMutex );
+
+ if ( m_bDisposed )
+ throw lang::DisposedException();
+
+ if ( !m_pListenersContainer )
+ m_pListenersContainer.reset(new ::comphelper::OInterfaceContainerHelper2( m_aMutex ));
+
+ m_pListenersContainer->addInterface( xListener );
+}
+
+void SAL_CALL OFSStreamContainer::removeEventListener( const uno::Reference< lang::XEventListener >& xListener )
+{
+ ::osl::MutexGuard aGuard( m_aMutex );
+
+ if ( m_bDisposed )
+ throw lang::DisposedException();
+
+ if ( m_pListenersContainer )
+ m_pListenersContainer->removeInterface( xListener );
+}
+
+
+// XSeekable
+void SAL_CALL OFSStreamContainer::seek( sal_Int64 location )
+{
+ ::osl::MutexGuard aGuard( m_aMutex );
+
+ if ( m_bDisposed )
+ throw lang::DisposedException();
+
+ if ( !m_xStream.is() || !m_xSeekable.is() )
+ throw uno::RuntimeException();
+
+ m_xSeekable->seek( location );
+}
+
+sal_Int64 SAL_CALL OFSStreamContainer::getPosition()
+{
+ ::osl::MutexGuard aGuard( m_aMutex );
+
+ if ( m_bDisposed )
+ throw lang::DisposedException();
+
+ if ( !m_xStream.is() || !m_xSeekable.is() )
+ throw uno::RuntimeException();
+
+ return m_xSeekable->getPosition();
+}
+
+sal_Int64 SAL_CALL OFSStreamContainer::getLength()
+{
+ ::osl::MutexGuard aGuard( m_aMutex );
+
+ if ( m_bDisposed )
+ throw lang::DisposedException();
+
+ if ( !m_xStream.is() || !m_xSeekable.is() )
+ throw uno::RuntimeException();
+
+ return m_xSeekable->getLength();
+}
+
+
+// XInputStream
+sal_Int32 SAL_CALL OFSStreamContainer::readBytes( uno::Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead )
+{
+ ::osl::MutexGuard aGuard( m_aMutex );
+
+ if ( m_bDisposed )
+ throw lang::DisposedException();
+
+ if ( !m_xStream.is() || !m_xInputStream.is() )
+ throw uno::RuntimeException();
+
+ return m_xInputStream->readBytes( aData, nBytesToRead );
+}
+
+sal_Int32 SAL_CALL OFSStreamContainer::readSomeBytes( uno::Sequence< sal_Int8 >& aData, sal_Int32 nMaxBytesToRead )
+{
+ ::osl::MutexGuard aGuard( m_aMutex );
+
+ if ( m_bDisposed )
+ throw lang::DisposedException();
+
+ if ( !m_xStream.is() || !m_xInputStream.is() )
+ throw uno::RuntimeException();
+
+ return m_xInputStream->readSomeBytes( aData, nMaxBytesToRead );
+}
+
+void SAL_CALL OFSStreamContainer::skipBytes( sal_Int32 nBytesToSkip )
+{
+ ::osl::MutexGuard aGuard( m_aMutex );
+
+ if ( m_bDisposed )
+ throw lang::DisposedException();
+
+ if ( !m_xStream.is() || !m_xInputStream.is() )
+ throw uno::RuntimeException();
+
+ m_xInputStream->skipBytes( nBytesToSkip );
+}
+
+sal_Int32 SAL_CALL OFSStreamContainer::available()
+{
+ ::osl::MutexGuard aGuard( m_aMutex );
+
+ if ( m_bDisposed )
+ throw lang::DisposedException();
+
+ if ( !m_xStream.is() || !m_xInputStream.is() )
+ throw uno::RuntimeException();
+
+ return m_xInputStream->available();
+}
+
+void SAL_CALL OFSStreamContainer::closeInput()
+{
+ ::osl::MutexGuard aGuard( m_aMutex );
+
+ if ( m_bDisposed )
+ throw lang::DisposedException();
+
+ if ( !m_xStream.is() || !m_xInputStream.is() )
+ throw uno::RuntimeException();
+
+ if ( m_xInputStream.is() )
+ {
+ m_xInputStream->closeInput();
+ m_bInputClosed = true;
+ }
+
+ if ( m_bOutputClosed )
+ dispose();
+}
+
+// XOutputStream
+void SAL_CALL OFSStreamContainer::writeBytes( const uno::Sequence< sal_Int8 >& aData )
+{
+ ::osl::MutexGuard aGuard( m_aMutex );
+
+ if ( m_bDisposed )
+ throw lang::DisposedException();
+
+ if ( !m_xStream.is() || !m_xOutputStream.is() )
+ throw uno::RuntimeException();
+
+ return m_xOutputStream->writeBytes( aData );
+}
+
+void SAL_CALL OFSStreamContainer::flush()
+{
+ ::osl::MutexGuard aGuard( m_aMutex );
+
+ if ( m_bDisposed )
+ throw lang::DisposedException();
+
+ if ( !m_xStream.is() || !m_xOutputStream.is() )
+ throw uno::RuntimeException();
+
+ return m_xOutputStream->flush();
+}
+
+void SAL_CALL OFSStreamContainer::closeOutput()
+{
+ ::osl::MutexGuard aGuard( m_aMutex );
+
+ if ( m_bDisposed )
+ throw lang::DisposedException();
+
+ if ( !m_xStream.is() || !m_xOutputStream.is() )
+ throw uno::RuntimeException();
+
+ if ( m_xOutputStream.is() )
+ {
+ m_xOutputStream->closeOutput();
+ m_bOutputClosed = true;
+ }
+
+ if ( m_bInputClosed )
+ dispose();
+}
+
+
+// XTruncate
+void SAL_CALL OFSStreamContainer::truncate()
+{
+ ::osl::MutexGuard aGuard( m_aMutex );
+
+ if ( m_bDisposed )
+ throw lang::DisposedException();
+
+ if ( !m_xStream.is() || !m_xTruncate.is() )
+ throw uno::RuntimeException();
+
+ m_xTruncate->truncate();
+}
+
+
+// XAsyncOutputMonitor
+void SAL_CALL OFSStreamContainer::waitForCompletion()
+{
+ ::osl::MutexGuard aGuard( m_aMutex );
+
+ if ( m_bDisposed )
+ throw lang::DisposedException();
+
+ if ( !m_xStream.is() || !m_xAsyncOutputMonitor.is() )
+ throw uno::RuntimeException();
+
+ m_xAsyncOutputMonitor->waitForCompletion();
+}
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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