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| -rw-r--r-- | package/source/xstor/ocompinstream.cxx | 602 |
1 files changed, 602 insertions, 0 deletions
diff --git a/package/source/xstor/ocompinstream.cxx b/package/source/xstor/ocompinstream.cxx new file mode 100644 index 000000000..14bfd3cab --- /dev/null +++ b/package/source/xstor/ocompinstream.cxx @@ -0,0 +1,602 @@ +/* -*- 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 "ocompinstream.hxx" +#include <com/sun/star/embed/StorageFormats.hpp> +#include <com/sun/star/io/IOException.hpp> +#include <com/sun/star/lang/DisposedException.hpp> +#include <comphelper/sequence.hxx> +#include <cppuhelper/queryinterface.hxx> +#include <osl/diagnose.h> +#include <sal/log.hxx> + +#include "owriteablestream.hxx" + +using namespace ::com::sun::star; + +OInputCompStream::OInputCompStream( OWriteStream_Impl& aImpl, + uno::Reference < io::XInputStream > const & xStream, + const uno::Sequence< beans::PropertyValue >& aProps, + sal_Int32 nStorageType ) +: m_pImpl( &aImpl ) +, m_xMutex( m_pImpl->m_xMutex ) +, m_xStream( xStream ) +, m_aProperties( aProps ) +, m_bDisposed( false ) +, m_nStorageType( nStorageType ) +{ + OSL_ENSURE( m_pImpl->m_xMutex.is(), "No mutex is provided!" ); + if ( !m_pImpl->m_xMutex.is() ) + throw uno::RuntimeException(); // just a disaster + + assert(m_xStream.is()); +} + +OInputCompStream::OInputCompStream( uno::Reference < io::XInputStream > const & xStream, + const uno::Sequence< beans::PropertyValue >& aProps, + sal_Int32 nStorageType ) +: m_pImpl( nullptr ) +, m_xMutex( new comphelper::RefCountedMutex ) +, m_xStream( xStream ) +, m_aProperties( aProps ) +, m_bDisposed( false ) +, m_nStorageType( nStorageType ) +{ + assert(m_xStream.is()); +} + +OInputCompStream::~OInputCompStream() +{ + ::osl::MutexGuard aGuard( m_xMutex->GetMutex() ); + + if ( !m_bDisposed ) + { + osl_atomic_increment(&m_refCount); + dispose(); + } +} + +uno::Any SAL_CALL OInputCompStream::queryInterface( const uno::Type& rType ) +{ + // common interfaces + uno::Any aReturn = ::cppu::queryInterface + ( rType + , static_cast<io::XInputStream*> ( this ) + , static_cast<io::XStream*> ( this ) + , static_cast<lang::XComponent*> ( this ) + , static_cast<beans::XPropertySet*> ( this ) + , static_cast<embed::XExtendedStorageStream*> ( this ) ); + + if ( aReturn.hasValue() ) + return aReturn ; + + if ( m_nStorageType == embed::StorageFormats::OFOPXML ) + { + aReturn = ::cppu::queryInterface + ( rType + , static_cast<embed::XRelationshipAccess*> ( this ) ); + + if ( aReturn.hasValue() ) + return aReturn ; + } + + return OWeakObject::queryInterface( rType ); +} + +sal_Int32 SAL_CALL OInputCompStream::readBytes( uno::Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead ) +{ + ::osl::MutexGuard aGuard( m_xMutex->GetMutex() ); + if ( m_bDisposed ) + { + SAL_INFO("package.xstor", "Disposed!"); + throw lang::DisposedException(); + } + + return m_xStream->readBytes( aData, nBytesToRead ); +} + +sal_Int32 SAL_CALL OInputCompStream::readSomeBytes( uno::Sequence< sal_Int8 >& aData, sal_Int32 nMaxBytesToRead ) +{ + ::osl::MutexGuard aGuard( m_xMutex->GetMutex() ); + if ( m_bDisposed ) + { + SAL_INFO("package.xstor", "Disposed!"); + throw lang::DisposedException(); + } + + return m_xStream->readSomeBytes( aData, nMaxBytesToRead ); + +} + +void SAL_CALL OInputCompStream::skipBytes( sal_Int32 nBytesToSkip ) +{ + ::osl::MutexGuard aGuard( m_xMutex->GetMutex() ); + if ( m_bDisposed ) + { + SAL_INFO("package.xstor", "Disposed!"); + throw lang::DisposedException(); + } + + m_xStream->skipBytes( nBytesToSkip ); + +} + +sal_Int32 SAL_CALL OInputCompStream::available( ) +{ + ::osl::MutexGuard aGuard( m_xMutex->GetMutex() ); + if ( m_bDisposed ) + { + SAL_INFO("package.xstor", "Disposed!"); + throw lang::DisposedException(); + } + + return m_xStream->available(); + +} + +void SAL_CALL OInputCompStream::closeInput( ) +{ + dispose(); +} + +uno::Reference< io::XInputStream > SAL_CALL OInputCompStream::getInputStream() +{ + ::osl::MutexGuard aGuard( m_xMutex->GetMutex() ); + if ( m_bDisposed ) + { + SAL_INFO("package.xstor", "Disposed!"); + throw lang::DisposedException(); + } + + return this; +} + +uno::Reference< io::XOutputStream > SAL_CALL OInputCompStream::getOutputStream() +{ + ::osl::MutexGuard aGuard( m_xMutex->GetMutex() ); + if ( m_bDisposed ) + { + SAL_INFO("package.xstor", "Disposed!"); + throw lang::DisposedException(); + } + + return uno::Reference< io::XOutputStream >(); +} + +void OInputCompStream::InternalDispose() +{ + // can be called only by OWriteStream_Impl + ::osl::MutexGuard aGuard( m_xMutex->GetMutex() ); + if ( m_bDisposed ) + { + SAL_INFO("package.xstor", "Disposed!"); + throw lang::DisposedException(); + } + + // the source object is also a kind of locker for the current object + // since the listeners could dispose the object while being notified + lang::EventObject aSource( static_cast< ::cppu::OWeakObject*>( this ) ); + + if ( m_pInterfaceContainer ) + m_pInterfaceContainer->disposeAndClear( aSource ); + + try + { + m_xStream->closeInput(); + } + catch( uno::Exception& ) + {} + + m_pImpl = nullptr; + m_bDisposed = true; +} + +void SAL_CALL OInputCompStream::dispose( ) +{ + ::osl::MutexGuard aGuard( m_xMutex->GetMutex() ); + if ( m_bDisposed ) + { + SAL_INFO("package.xstor", "Disposed!"); + throw lang::DisposedException(); + } + + if ( m_pInterfaceContainer ) + { + lang::EventObject aSource( static_cast< ::cppu::OWeakObject*>( this ) ); + m_pInterfaceContainer->disposeAndClear( aSource ); + } + + m_xStream->closeInput(); + + if ( m_pImpl ) + { + m_pImpl->InputStreamDisposed( this ); + m_pImpl = nullptr; + } + + m_bDisposed = true; +} + +void SAL_CALL OInputCompStream::addEventListener( const uno::Reference< lang::XEventListener >& xListener ) +{ + ::osl::MutexGuard aGuard( m_xMutex->GetMutex() ); + if ( m_bDisposed ) + { + SAL_INFO("package.xstor", "Disposed!"); + throw lang::DisposedException(); + } + + if ( !m_pInterfaceContainer ) + m_pInterfaceContainer.reset( new ::comphelper::OInterfaceContainerHelper3<css::lang::XEventListener>( m_xMutex->GetMutex() ) ); + + m_pInterfaceContainer->addInterface( xListener ); +} + +void SAL_CALL OInputCompStream::removeEventListener( const uno::Reference< lang::XEventListener >& xListener ) +{ + ::osl::MutexGuard aGuard( m_xMutex->GetMutex() ); + if ( m_bDisposed ) + { + SAL_INFO("package.xstor", "Disposed!"); + throw lang::DisposedException(); + } + + if ( m_pInterfaceContainer ) + m_pInterfaceContainer->removeInterface( xListener ); +} + +sal_Bool SAL_CALL OInputCompStream::hasByID( const OUString& sID ) +{ + ::osl::MutexGuard aGuard( m_xMutex->GetMutex() ); + + if ( m_bDisposed ) + { + SAL_INFO("package.xstor", "Disposed!"); + throw lang::DisposedException(); + } + + if ( m_nStorageType != embed::StorageFormats::OFOPXML ) + throw uno::RuntimeException(); + + try + { + getRelationshipByID( sID ); + return true; + } + catch( container::NoSuchElementException& ) + {} + + return false; +} + +namespace +{ + +const beans::StringPair* lcl_findPairByName(const uno::Sequence<beans::StringPair>& rSeq, const OUString& rName) +{ + return std::find_if(rSeq.begin(), rSeq.end(), + [&rName](const beans::StringPair& rPair) { return rPair.First == rName; }); +} + +} + +OUString SAL_CALL OInputCompStream::getTargetByID( const OUString& sID ) +{ + ::osl::MutexGuard aGuard( m_xMutex->GetMutex() ); + + if ( m_bDisposed ) + { + SAL_INFO("package.xstor", "Disposed!"); + throw lang::DisposedException(); + } + + if ( m_nStorageType != embed::StorageFormats::OFOPXML ) + throw uno::RuntimeException(); + + const uno::Sequence< beans::StringPair > aSeq = getRelationshipByID( sID ); + auto pRel = lcl_findPairByName(aSeq, "Target"); + if (pRel != aSeq.end()) + return pRel->Second; + + return OUString(); +} + +OUString SAL_CALL OInputCompStream::getTypeByID( const OUString& sID ) +{ + ::osl::MutexGuard aGuard( m_xMutex->GetMutex() ); + + if ( m_bDisposed ) + { + SAL_INFO("package.xstor", "Disposed!"); + throw lang::DisposedException(); + } + + if ( m_nStorageType != embed::StorageFormats::OFOPXML ) + throw uno::RuntimeException(); + + const uno::Sequence< beans::StringPair > aSeq = getRelationshipByID( sID ); + auto pRel = lcl_findPairByName(aSeq, "Type"); + if (pRel != aSeq.end()) + return pRel->Second; + + return OUString(); +} + +uno::Sequence< beans::StringPair > SAL_CALL OInputCompStream::getRelationshipByID( const OUString& sID ) +{ + ::osl::MutexGuard aGuard( m_xMutex->GetMutex() ); + + if ( m_bDisposed ) + { + SAL_INFO("package.xstor", "Disposed!"); + throw lang::DisposedException(); + } + + if ( m_nStorageType != embed::StorageFormats::OFOPXML ) + throw uno::RuntimeException(); + + // TODO/LATER: in future the unification of the ID could be checked + const uno::Sequence< uno::Sequence< beans::StringPair > > aSeq = getAllRelationships(); + const beans::StringPair aIDRel("Id", sID); + auto pRel = std::find_if(aSeq.begin(), aSeq.end(), + [&aIDRel](const uno::Sequence<beans::StringPair>& rRel){ + return std::find(rRel.begin(), rRel.end(), aIDRel) != rRel.end(); }); + if (pRel != aSeq.end()) + return *pRel; + + throw container::NoSuchElementException(); +} + +uno::Sequence< uno::Sequence< beans::StringPair > > SAL_CALL OInputCompStream::getRelationshipsByType( const OUString& sType ) +{ + ::osl::MutexGuard aGuard( m_xMutex->GetMutex() ); + + if ( m_bDisposed ) + { + SAL_INFO("package.xstor", "Disposed!"); + throw lang::DisposedException(); + } + + if ( m_nStorageType != embed::StorageFormats::OFOPXML ) + throw uno::RuntimeException(); + + // TODO/LATER: in future the unification of the ID could be checked + const uno::Sequence< uno::Sequence< beans::StringPair > > aSeq = getAllRelationships(); + const beans::StringPair aTypeRel("Type", sType); + std::vector< uno::Sequence<beans::StringPair> > aResult; + aResult.reserve(aSeq.getLength()); + + std::copy_if(aSeq.begin(), aSeq.end(), std::back_inserter(aResult), + [&aTypeRel](const uno::Sequence<beans::StringPair>& rRel) { + return std::find(rRel.begin(), rRel.end(), aTypeRel) != rRel.end(); }); + + return comphelper::containerToSequence(aResult); +} + +uno::Sequence< uno::Sequence< beans::StringPair > > SAL_CALL OInputCompStream::getAllRelationships() +{ + ::osl::MutexGuard aGuard( m_xMutex->GetMutex() ); + + if ( m_bDisposed ) + { + SAL_INFO("package.xstor", "Disposed!"); + throw lang::DisposedException(); + } + + if ( m_nStorageType != embed::StorageFormats::OFOPXML ) + throw uno::RuntimeException(); + + // TODO/LATER: in future the information could be taken directly from m_pImpl when possible + auto pProp = std::find_if(std::cbegin(m_aProperties), std::cend(m_aProperties), + [](const beans::PropertyValue& rProp) { return rProp.Name == "RelationsInfo"; }); + if (pProp != std::cend(m_aProperties)) + { + uno::Sequence< uno::Sequence< beans::StringPair > > aResult; + if (pProp->Value >>= aResult) + return aResult; + } + + throw io::IOException("relations info could not be read"); // the relations info could not be read +} + +void SAL_CALL OInputCompStream::insertRelationshipByID( const OUString& /*sID*/, const uno::Sequence< beans::StringPair >& /*aEntry*/, sal_Bool /*bReplace*/ ) +{ + ::osl::MutexGuard aGuard( m_xMutex->GetMutex() ); + + if ( m_bDisposed ) + { + SAL_INFO("package.xstor", "Disposed!"); + throw lang::DisposedException(); + } + + if ( m_nStorageType != embed::StorageFormats::OFOPXML ) + throw uno::RuntimeException(); + + throw io::IOException(); // TODO: Access denied +} + +void SAL_CALL OInputCompStream::removeRelationshipByID( const OUString& /*sID*/ ) +{ + ::osl::MutexGuard aGuard( m_xMutex->GetMutex() ); + + if ( m_bDisposed ) + { + SAL_INFO("package.xstor", "Disposed!"); + throw lang::DisposedException(); + } + + if ( m_nStorageType != embed::StorageFormats::OFOPXML ) + throw uno::RuntimeException(); + + throw io::IOException(); // TODO: Access denied +} + +void SAL_CALL OInputCompStream::insertRelationships( const uno::Sequence< uno::Sequence< beans::StringPair > >& /*aEntries*/, sal_Bool /*bReplace*/ ) +{ + ::osl::MutexGuard aGuard( m_xMutex->GetMutex() ); + + if ( m_bDisposed ) + { + SAL_INFO("package.xstor", "Disposed!"); + throw lang::DisposedException(); + } + + if ( m_nStorageType != embed::StorageFormats::OFOPXML ) + throw uno::RuntimeException(); + + throw io::IOException(); // TODO: Access denied +} + +void SAL_CALL OInputCompStream::clearRelationships() +{ + ::osl::MutexGuard aGuard( m_xMutex->GetMutex() ); + + if ( m_bDisposed ) + { + SAL_INFO("package.xstor", "Disposed!"); + throw lang::DisposedException(); + } + + if ( m_nStorageType != embed::StorageFormats::OFOPXML ) + throw uno::RuntimeException(); + + throw io::IOException(); // TODO: Access denied +} + +uno::Reference< beans::XPropertySetInfo > SAL_CALL OInputCompStream::getPropertySetInfo() +{ + ::osl::MutexGuard aGuard( m_xMutex->GetMutex() ); + + if ( m_bDisposed ) + { + SAL_INFO("package.xstor", "Disposed!"); + throw lang::DisposedException(); + } + + //TODO: + return uno::Reference< beans::XPropertySetInfo >(); +} + +void SAL_CALL OInputCompStream::setPropertyValue( const OUString& aPropertyName, const uno::Any& /*aValue*/ ) +{ + ::osl::MutexGuard aGuard( m_xMutex->GetMutex() ); + + if ( m_bDisposed ) + { + SAL_INFO("package.xstor", "Disposed!"); + throw lang::DisposedException(); + } + + // all the provided properties are accessible + if (std::any_of(std::cbegin(m_aProperties), std::cend(m_aProperties), + [&aPropertyName](const beans::PropertyValue& rProp) { return rProp.Name == aPropertyName; })) + throw beans::PropertyVetoException(); // TODO + + throw beans::UnknownPropertyException(aPropertyName); // TODO +} + +uno::Any SAL_CALL OInputCompStream::getPropertyValue( const OUString& aProp ) +{ + ::osl::MutexGuard aGuard( m_xMutex->GetMutex() ); + + if ( m_bDisposed ) + { + SAL_INFO("package.xstor", "Disposed!"); + throw lang::DisposedException(); + } + + OUString aPropertyName; + if ( aProp == "IsEncrypted" ) + aPropertyName = "Encrypted"; + else + aPropertyName = aProp; + + if ( aPropertyName == "RelationsInfo" ) + throw beans::UnknownPropertyException(aPropertyName); // TODO + + // all the provided properties are accessible + auto pProp = std::find_if(std::cbegin(m_aProperties), std::cend(m_aProperties), + [&aPropertyName](const beans::PropertyValue& rProp) { return rProp.Name == aPropertyName; }); + if (pProp != std::cend(m_aProperties)) + return pProp->Value; + + throw beans::UnknownPropertyException(aPropertyName); // TODO +} + +void SAL_CALL OInputCompStream::addPropertyChangeListener( + const OUString& /*aPropertyName*/, + const uno::Reference< beans::XPropertyChangeListener >& /*xListener*/ ) +{ + ::osl::MutexGuard aGuard( m_xMutex->GetMutex() ); + + if ( m_bDisposed ) + { + SAL_INFO("package.xstor", "Disposed!"); + throw lang::DisposedException(); + } + + //TODO: +} + +void SAL_CALL OInputCompStream::removePropertyChangeListener( + const OUString& /*aPropertyName*/, + const uno::Reference< beans::XPropertyChangeListener >& /*aListener*/ ) +{ + ::osl::MutexGuard aGuard( m_xMutex->GetMutex() ); + + if ( m_bDisposed ) + { + SAL_INFO("package.xstor", "Disposed!"); + throw lang::DisposedException(); + } + + //TODO: +} + +void SAL_CALL OInputCompStream::addVetoableChangeListener( + const OUString& /*PropertyName*/, + const uno::Reference< beans::XVetoableChangeListener >& /*aListener*/ ) +{ + ::osl::MutexGuard aGuard( m_xMutex->GetMutex() ); + + if ( m_bDisposed ) + { + SAL_INFO("package.xstor", "Disposed!"); + throw lang::DisposedException(); + } + + //TODO: +} + +void SAL_CALL OInputCompStream::removeVetoableChangeListener( + const OUString& /*PropertyName*/, + const uno::Reference< beans::XVetoableChangeListener >& /*aListener*/ ) +{ + ::osl::MutexGuard aGuard( m_xMutex->GetMutex() ); + + if ( m_bDisposed ) + { + SAL_INFO("package.xstor", "Disposed!"); + throw lang::DisposedException(); + } + + //TODO: +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |