497 lines
15 KiB
C++
497 lines
15 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <sal/config.h>
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#include <com/sun/star/beans/IllegalTypeException.hpp>
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#include <com/sun/star/beans/PropertyExistException.hpp>
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#include <com/sun/star/beans/XPropertyAccess.hpp>
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#include <com/sun/star/container/XNameAccess.hpp>
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#include <com/sun/star/container/XNamed.hpp>
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#include <com/sun/star/ucb/Store.hpp>
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#include <com/sun/star/ucb/XPropertySetRegistry.hpp>
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#include <com/sun/star/ucb/XPropertySetRegistryFactory.hpp>
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#include <cppuhelper/supportsservice.hxx>
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#include <ucbhelper/contenthelper.hxx>
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#include <ucbhelper/providerhelper.hxx>
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#include <osl/diagnose.h>
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#include <osl/mutex.hxx>
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#include <cppuhelper/weakref.hxx>
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#include <unordered_map>
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#include <utility>
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using namespace com::sun::star;
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namespace ucbhelper_impl
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{
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typedef std::unordered_map
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<
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OUString,
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uno::WeakReference< ucb::XContent >
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>
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Contents;
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struct ContentProviderImplHelper_Impl
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{
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uno::Reference< css::ucb::XPropertySetRegistry > m_xPropertySetRegistry;
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Contents m_aContents;
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};
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} // namespace ucbhelper_impl
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namespace ucbhelper {
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ContentProviderImplHelper::ContentProviderImplHelper(
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uno::Reference< uno::XComponentContext > xContext )
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: m_pImpl( new ucbhelper_impl::ContentProviderImplHelper_Impl ),
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m_xContext(std::move( xContext ))
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{
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}
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// virtual
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ContentProviderImplHelper::~ContentProviderImplHelper()
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{
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}
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// virtual
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sal_Bool SAL_CALL ContentProviderImplHelper::supportsService(
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const OUString& ServiceName )
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{
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return cppu::supportsService(this, ServiceName);
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}
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// virtual
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sal_Int32 SAL_CALL ContentProviderImplHelper::compareContentIds(
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const uno::Reference< css::ucb::XContentIdentifier >& Id1,
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const uno::Reference< css::ucb::XContentIdentifier >& Id2 )
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{
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// Simply do a string compare.
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OUString aURL1( Id1->getContentIdentifier() );
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OUString aURL2( Id2->getContentIdentifier() );
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return aURL1.compareTo( aURL2 );
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}
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void ContentProviderImplHelper::cleanupRegisteredContents()
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{
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osl::MutexGuard aGuard( m_aMutex );
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ucbhelper_impl::Contents::iterator it
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= m_pImpl->m_aContents.begin();
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while( it != m_pImpl->m_aContents.end() )
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{
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uno::Reference< ucb::XContent > xContent( (*it).second );
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if ( !xContent.is() )
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{
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ucbhelper_impl::Contents::iterator tmp = it;
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++it;
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m_pImpl->m_aContents.erase( tmp );
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}
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else
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{
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++it;
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}
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}
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}
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void ContentProviderImplHelper::removeContent( ContentImplHelper* pContent )
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{
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osl::MutexGuard aGuard( m_aMutex );
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cleanupRegisteredContents();
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const OUString aURL(
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pContent->getIdentifier()->getContentIdentifier() );
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ucbhelper_impl::Contents::iterator it = m_pImpl->m_aContents.find( aURL );
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if ( it != m_pImpl->m_aContents.end() )
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m_pImpl->m_aContents.erase( it );
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}
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rtl::Reference< ContentImplHelper >
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ContentProviderImplHelper::queryExistingContent(
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const uno::Reference< css::ucb::XContentIdentifier >& Identifier )
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{
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return queryExistingContent( Identifier->getContentIdentifier() );
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}
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rtl::Reference< ContentImplHelper >
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ContentProviderImplHelper::queryExistingContent( const OUString& rURL )
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{
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osl::MutexGuard aGuard( m_aMutex );
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cleanupRegisteredContents();
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// Check, if a content with given id already exists...
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ucbhelper_impl::Contents::const_iterator it
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= m_pImpl->m_aContents.find( rURL );
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if ( it != m_pImpl->m_aContents.end() )
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{
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uno::Reference< ucb::XContent > xContent( (*it).second );
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if ( xContent.is() )
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{
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return rtl::Reference< ContentImplHelper >(
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static_cast< ContentImplHelper * >( xContent.get() ) );
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}
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}
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return rtl::Reference< ContentImplHelper >();
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}
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void ContentProviderImplHelper::queryExistingContents(
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ContentRefList& rContents )
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{
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osl::MutexGuard aGuard( m_aMutex );
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cleanupRegisteredContents();
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for ( const auto& rContent : m_pImpl->m_aContents )
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{
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uno::Reference< ucb::XContent > xContent( rContent.second );
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if ( xContent.is() )
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{
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rContents.emplace_back(
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static_cast< ContentImplHelper * >( xContent.get() ) );
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}
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}
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}
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void ContentProviderImplHelper::registerNewContent(
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const uno::Reference< ucb::XContent > & xContent )
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{
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if ( !xContent.is() )
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return;
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osl::MutexGuard aGuard( m_aMutex );
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cleanupRegisteredContents();
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const OUString aURL(
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xContent->getIdentifier()->getContentIdentifier() );
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ucbhelper_impl::Contents::const_iterator it
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= m_pImpl->m_aContents.find( aURL );
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if ( it == m_pImpl->m_aContents.end() )
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m_pImpl->m_aContents[ aURL ] = xContent;
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}
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uno::Reference< css::ucb::XPropertySetRegistry >
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ContentProviderImplHelper::getAdditionalPropertySetRegistry()
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{
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// Get propertyset registry.
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osl::MutexGuard aGuard( m_aMutex );
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if ( !m_pImpl->m_xPropertySetRegistry.is() )
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{
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uno::Reference< css::ucb::XPropertySetRegistryFactory >
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xRegFac = css::ucb::Store::create( m_xContext );
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// Open/create a registry.
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m_pImpl->m_xPropertySetRegistry
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= xRegFac->createPropertySetRegistry( OUString() );
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OSL_ENSURE( m_pImpl->m_xPropertySetRegistry.is(),
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"ContentProviderImplHelper::getAdditionalPropertySet - "
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"Error opening registry!" );
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}
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return m_pImpl->m_xPropertySetRegistry;
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}
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uno::Reference< css::ucb::XPersistentPropertySet >
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ContentProviderImplHelper::getAdditionalPropertySet(
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const OUString& rKey, bool bCreate )
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{
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// Get propertyset registry.
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getAdditionalPropertySetRegistry();
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if ( m_pImpl->m_xPropertySetRegistry.is() )
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{
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// Open/create persistent property set.
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return m_pImpl->m_xPropertySetRegistry->openPropertySet(
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rKey, bCreate );
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}
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return uno::Reference< css::ucb::XPersistentPropertySet >();
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}
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bool ContentProviderImplHelper::renameAdditionalPropertySet(
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const OUString& rOldKey,
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const OUString& rNewKey,
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bool bRecursive )
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{
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if ( rOldKey == rNewKey )
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return true;
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osl::MutexGuard aGuard( m_aMutex );
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if ( bRecursive )
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{
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// Get propertyset registry.
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getAdditionalPropertySetRegistry();
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if ( !m_pImpl->m_xPropertySetRegistry.is() )
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return false;
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uno::Reference< container::XNameAccess > xNameAccess(
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m_pImpl->m_xPropertySetRegistry, uno::UNO_QUERY );
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if ( !xNameAccess.is() )
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return false;
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const uno::Sequence< OUString > aKeys
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= xNameAccess->getElementNames();
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if ( aKeys.hasElements() )
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{
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OUString aOldKeyWithSlash = rOldKey;
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OUString aOldKeyWithoutSlash;
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if ( !aOldKeyWithSlash.endsWith("/") )
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{
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aOldKeyWithSlash += "/";
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aOldKeyWithoutSlash = rOldKey;
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}
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else if ( !rOldKey.isEmpty() )
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aOldKeyWithoutSlash
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= rOldKey.copy( 0, rOldKey.getLength() - 1 );
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for ( const OUString& rKey : aKeys )
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{
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if ( rKey.startsWith( aOldKeyWithSlash )
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|| rKey == aOldKeyWithoutSlash )
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{
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OUString aNewKey
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= rKey.replaceAt(
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0, rOldKey.getLength(), rNewKey );
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if ( !renameAdditionalPropertySet(
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rKey, aNewKey, false ) )
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return false;
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}
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}
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}
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}
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else
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{
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// Get old property set, if exists.
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uno::Reference< css::ucb::XPersistentPropertySet > xOldSet
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= getAdditionalPropertySet( rOldKey, false );
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if ( xOldSet.is() )
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{
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// Rename property set.
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uno::Reference< container::XNamed > xNamed(
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xOldSet, uno::UNO_QUERY );
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if ( !xNamed.is() )
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return false;
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// ??? throws no exceptions and has no return value ???
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xNamed->setName( rNewKey );
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}
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}
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return true;
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}
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bool ContentProviderImplHelper::copyAdditionalPropertySet(
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const OUString& rSourceKey,
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const OUString& rTargetKey,
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bool bRecursive )
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{
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if ( rSourceKey == rTargetKey )
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return true;
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osl::MutexGuard aGuard( m_aMutex );
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if ( bRecursive )
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{
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// Get propertyset registry.
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getAdditionalPropertySetRegistry();
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if ( !m_pImpl->m_xPropertySetRegistry.is() )
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return false;
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uno::Reference< container::XNameAccess > xNameAccess(
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m_pImpl->m_xPropertySetRegistry, uno::UNO_QUERY );
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if ( !xNameAccess.is() )
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return false;
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const uno::Sequence< OUString > aKeys
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= xNameAccess->getElementNames();
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if ( aKeys.hasElements() )
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{
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OUString aSrcKeyWithSlash = rSourceKey;
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OUString aSrcKeyWithoutSlash;
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if ( !aSrcKeyWithSlash.endsWith("/") )
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{
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aSrcKeyWithSlash += "/";
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aSrcKeyWithoutSlash = rSourceKey;
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}
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else if ( !rSourceKey.isEmpty() )
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aSrcKeyWithoutSlash = rSourceKey.copy(
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0, rSourceKey.getLength() - 1 );
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for ( const OUString& rKey : aKeys )
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{
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if ( rKey.startsWith(aSrcKeyWithSlash )
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|| rKey == aSrcKeyWithoutSlash )
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{
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OUString aNewKey
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= rKey.replaceAt(
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0, rSourceKey.getLength(), rTargetKey );
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if ( !copyAdditionalPropertySet(
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rKey, aNewKey, false ) )
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return false;
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}
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}
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}
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}
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else
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{
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// Get old property set, if exists.
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uno::Reference< css::ucb::XPersistentPropertySet >
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xOldPropSet = getAdditionalPropertySet( rSourceKey, false );
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if ( !xOldPropSet.is() )
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return false;
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uno::Reference< beans::XPropertySetInfo > xPropSetInfo
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= xOldPropSet->getPropertySetInfo();
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if ( !xPropSetInfo.is() )
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return false;
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uno::Reference< beans::XPropertyAccess > xOldPropAccess(
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xOldPropSet, uno::UNO_QUERY );
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if ( !xOldPropAccess.is() )
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return false;
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// Obtain all values from old set.
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const uno::Sequence< beans::PropertyValue > aValues
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= xOldPropAccess->getPropertyValues();
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const uno::Sequence< beans::Property > aProps
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= xPropSetInfo->getProperties();
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if ( aValues.hasElements() )
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{
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// Fail, if property set with new key already exists.
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uno::Reference< css::ucb::XPersistentPropertySet >
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xNewPropSet
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= getAdditionalPropertySet( rTargetKey, false );
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if ( xNewPropSet.is() )
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return false;
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// Create new, empty set.
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xNewPropSet = getAdditionalPropertySet( rTargetKey, true );
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if ( !xNewPropSet.is() )
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return false;
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uno::Reference< beans::XPropertyContainer > xNewPropContainer(
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xNewPropSet, uno::UNO_QUERY );
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if ( !xNewPropContainer.is() )
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return false;
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for ( const beans::PropertyValue& rValue : aValues )
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{
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sal_Int16 nAttribs = 0;
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auto pProp = std::find_if(aProps.begin(), aProps.end(),
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[&rValue](const beans::Property& rProp) { return rProp.Name == rValue.Name; });
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if (pProp != aProps.end())
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nAttribs = pProp->Attributes;
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try
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{
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xNewPropContainer->addProperty(
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rValue.Name, nAttribs, rValue.Value );
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}
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catch ( beans::PropertyExistException & )
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{
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}
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catch ( beans::IllegalTypeException & )
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{
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}
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catch ( lang::IllegalArgumentException & )
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{
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}
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}
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}
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}
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return true;
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}
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bool ContentProviderImplHelper::removeAdditionalPropertySet(
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const OUString& rKey, bool bRecursive )
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{
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osl::MutexGuard aGuard( m_aMutex );
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if ( bRecursive )
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{
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// Get propertyset registry.
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getAdditionalPropertySetRegistry();
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if ( !m_pImpl->m_xPropertySetRegistry.is() )
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return false;
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uno::Reference< container::XNameAccess > xNameAccess(
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m_pImpl->m_xPropertySetRegistry, uno::UNO_QUERY );
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if ( !xNameAccess.is() )
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return false;
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const uno::Sequence< OUString > aKeys
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= xNameAccess->getElementNames();
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if ( aKeys.hasElements() )
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{
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OUString aKeyWithSlash = rKey;
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OUString aKeyWithoutSlash;
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if ( !aKeyWithSlash.endsWith("/") )
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{
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aKeyWithSlash += "/";
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aKeyWithoutSlash = rKey;
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}
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else if ( !rKey.isEmpty() )
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aKeyWithoutSlash
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= rKey.copy( 0, rKey.getLength() - 1 );
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for ( const OUString& rCurrKey : aKeys )
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{
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if ( rCurrKey.startsWith(aKeyWithSlash )
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|| rCurrKey == aKeyWithoutSlash )
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{
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if ( !removeAdditionalPropertySet(
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rCurrKey, false ) )
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return false;
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}
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}
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}
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}
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else
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{
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// Get propertyset registry.
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getAdditionalPropertySetRegistry();
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if ( !m_pImpl->m_xPropertySetRegistry.is() )
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return false;
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m_pImpl->m_xPropertySetRegistry->removePropertySet( rKey );
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}
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return true;
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}
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} // namespace ucbhelper
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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