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libreoffice/ucbhelper/source/provider/providerhelper.cxx
Daniel Baumann 8e63e14cf6
Adding upstream version 4:25.2.3.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-22 16:20:04 +02:00

497 lines
15 KiB
C++

/* -*- 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 <sal/config.h>
#include <com/sun/star/beans/IllegalTypeException.hpp>
#include <com/sun/star/beans/PropertyExistException.hpp>
#include <com/sun/star/beans/XPropertyAccess.hpp>
#include <com/sun/star/container/XNameAccess.hpp>
#include <com/sun/star/container/XNamed.hpp>
#include <com/sun/star/ucb/Store.hpp>
#include <com/sun/star/ucb/XPropertySetRegistry.hpp>
#include <com/sun/star/ucb/XPropertySetRegistryFactory.hpp>
#include <cppuhelper/supportsservice.hxx>
#include <ucbhelper/contenthelper.hxx>
#include <ucbhelper/providerhelper.hxx>
#include <osl/diagnose.h>
#include <osl/mutex.hxx>
#include <cppuhelper/weakref.hxx>
#include <unordered_map>
#include <utility>
using namespace com::sun::star;
namespace ucbhelper_impl
{
typedef std::unordered_map
<
OUString,
uno::WeakReference< ucb::XContent >
>
Contents;
struct ContentProviderImplHelper_Impl
{
uno::Reference< css::ucb::XPropertySetRegistry > m_xPropertySetRegistry;
Contents m_aContents;
};
} // namespace ucbhelper_impl
namespace ucbhelper {
ContentProviderImplHelper::ContentProviderImplHelper(
uno::Reference< uno::XComponentContext > xContext )
: m_pImpl( new ucbhelper_impl::ContentProviderImplHelper_Impl ),
m_xContext(std::move( xContext ))
{
}
// virtual
ContentProviderImplHelper::~ContentProviderImplHelper()
{
}
// virtual
sal_Bool SAL_CALL ContentProviderImplHelper::supportsService(
const OUString& ServiceName )
{
return cppu::supportsService(this, ServiceName);
}
// virtual
sal_Int32 SAL_CALL ContentProviderImplHelper::compareContentIds(
const uno::Reference< css::ucb::XContentIdentifier >& Id1,
const uno::Reference< css::ucb::XContentIdentifier >& Id2 )
{
// Simply do a string compare.
OUString aURL1( Id1->getContentIdentifier() );
OUString aURL2( Id2->getContentIdentifier() );
return aURL1.compareTo( aURL2 );
}
void ContentProviderImplHelper::cleanupRegisteredContents()
{
osl::MutexGuard aGuard( m_aMutex );
ucbhelper_impl::Contents::iterator it
= m_pImpl->m_aContents.begin();
while( it != m_pImpl->m_aContents.end() )
{
uno::Reference< ucb::XContent > xContent( (*it).second );
if ( !xContent.is() )
{
ucbhelper_impl::Contents::iterator tmp = it;
++it;
m_pImpl->m_aContents.erase( tmp );
}
else
{
++it;
}
}
}
void ContentProviderImplHelper::removeContent( ContentImplHelper* pContent )
{
osl::MutexGuard aGuard( m_aMutex );
cleanupRegisteredContents();
const OUString aURL(
pContent->getIdentifier()->getContentIdentifier() );
ucbhelper_impl::Contents::iterator it = m_pImpl->m_aContents.find( aURL );
if ( it != m_pImpl->m_aContents.end() )
m_pImpl->m_aContents.erase( it );
}
rtl::Reference< ContentImplHelper >
ContentProviderImplHelper::queryExistingContent(
const uno::Reference< css::ucb::XContentIdentifier >& Identifier )
{
return queryExistingContent( Identifier->getContentIdentifier() );
}
rtl::Reference< ContentImplHelper >
ContentProviderImplHelper::queryExistingContent( const OUString& rURL )
{
osl::MutexGuard aGuard( m_aMutex );
cleanupRegisteredContents();
// Check, if a content with given id already exists...
ucbhelper_impl::Contents::const_iterator it
= m_pImpl->m_aContents.find( rURL );
if ( it != m_pImpl->m_aContents.end() )
{
uno::Reference< ucb::XContent > xContent( (*it).second );
if ( xContent.is() )
{
return rtl::Reference< ContentImplHelper >(
static_cast< ContentImplHelper * >( xContent.get() ) );
}
}
return rtl::Reference< ContentImplHelper >();
}
void ContentProviderImplHelper::queryExistingContents(
ContentRefList& rContents )
{
osl::MutexGuard aGuard( m_aMutex );
cleanupRegisteredContents();
for ( const auto& rContent : m_pImpl->m_aContents )
{
uno::Reference< ucb::XContent > xContent( rContent.second );
if ( xContent.is() )
{
rContents.emplace_back(
static_cast< ContentImplHelper * >( xContent.get() ) );
}
}
}
void ContentProviderImplHelper::registerNewContent(
const uno::Reference< ucb::XContent > & xContent )
{
if ( !xContent.is() )
return;
osl::MutexGuard aGuard( m_aMutex );
cleanupRegisteredContents();
const OUString aURL(
xContent->getIdentifier()->getContentIdentifier() );
ucbhelper_impl::Contents::const_iterator it
= m_pImpl->m_aContents.find( aURL );
if ( it == m_pImpl->m_aContents.end() )
m_pImpl->m_aContents[ aURL ] = xContent;
}
uno::Reference< css::ucb::XPropertySetRegistry >
ContentProviderImplHelper::getAdditionalPropertySetRegistry()
{
// Get propertyset registry.
osl::MutexGuard aGuard( m_aMutex );
if ( !m_pImpl->m_xPropertySetRegistry.is() )
{
uno::Reference< css::ucb::XPropertySetRegistryFactory >
xRegFac = css::ucb::Store::create( m_xContext );
// Open/create a registry.
m_pImpl->m_xPropertySetRegistry
= xRegFac->createPropertySetRegistry( OUString() );
OSL_ENSURE( m_pImpl->m_xPropertySetRegistry.is(),
"ContentProviderImplHelper::getAdditionalPropertySet - "
"Error opening registry!" );
}
return m_pImpl->m_xPropertySetRegistry;
}
uno::Reference< css::ucb::XPersistentPropertySet >
ContentProviderImplHelper::getAdditionalPropertySet(
const OUString& rKey, bool bCreate )
{
// Get propertyset registry.
getAdditionalPropertySetRegistry();
if ( m_pImpl->m_xPropertySetRegistry.is() )
{
// Open/create persistent property set.
return m_pImpl->m_xPropertySetRegistry->openPropertySet(
rKey, bCreate );
}
return uno::Reference< css::ucb::XPersistentPropertySet >();
}
bool ContentProviderImplHelper::renameAdditionalPropertySet(
const OUString& rOldKey,
const OUString& rNewKey,
bool bRecursive )
{
if ( rOldKey == rNewKey )
return true;
osl::MutexGuard aGuard( m_aMutex );
if ( bRecursive )
{
// Get propertyset registry.
getAdditionalPropertySetRegistry();
if ( !m_pImpl->m_xPropertySetRegistry.is() )
return false;
uno::Reference< container::XNameAccess > xNameAccess(
m_pImpl->m_xPropertySetRegistry, uno::UNO_QUERY );
if ( !xNameAccess.is() )
return false;
const uno::Sequence< OUString > aKeys
= xNameAccess->getElementNames();
if ( aKeys.hasElements() )
{
OUString aOldKeyWithSlash = rOldKey;
OUString aOldKeyWithoutSlash;
if ( !aOldKeyWithSlash.endsWith("/") )
{
aOldKeyWithSlash += "/";
aOldKeyWithoutSlash = rOldKey;
}
else if ( !rOldKey.isEmpty() )
aOldKeyWithoutSlash
= rOldKey.copy( 0, rOldKey.getLength() - 1 );
for ( const OUString& rKey : aKeys )
{
if ( rKey.startsWith( aOldKeyWithSlash )
|| rKey == aOldKeyWithoutSlash )
{
OUString aNewKey
= rKey.replaceAt(
0, rOldKey.getLength(), rNewKey );
if ( !renameAdditionalPropertySet(
rKey, aNewKey, false ) )
return false;
}
}
}
}
else
{
// Get old property set, if exists.
uno::Reference< css::ucb::XPersistentPropertySet > xOldSet
= getAdditionalPropertySet( rOldKey, false );
if ( xOldSet.is() )
{
// Rename property set.
uno::Reference< container::XNamed > xNamed(
xOldSet, uno::UNO_QUERY );
if ( !xNamed.is() )
return false;
// ??? throws no exceptions and has no return value ???
xNamed->setName( rNewKey );
}
}
return true;
}
bool ContentProviderImplHelper::copyAdditionalPropertySet(
const OUString& rSourceKey,
const OUString& rTargetKey,
bool bRecursive )
{
if ( rSourceKey == rTargetKey )
return true;
osl::MutexGuard aGuard( m_aMutex );
if ( bRecursive )
{
// Get propertyset registry.
getAdditionalPropertySetRegistry();
if ( !m_pImpl->m_xPropertySetRegistry.is() )
return false;
uno::Reference< container::XNameAccess > xNameAccess(
m_pImpl->m_xPropertySetRegistry, uno::UNO_QUERY );
if ( !xNameAccess.is() )
return false;
const uno::Sequence< OUString > aKeys
= xNameAccess->getElementNames();
if ( aKeys.hasElements() )
{
OUString aSrcKeyWithSlash = rSourceKey;
OUString aSrcKeyWithoutSlash;
if ( !aSrcKeyWithSlash.endsWith("/") )
{
aSrcKeyWithSlash += "/";
aSrcKeyWithoutSlash = rSourceKey;
}
else if ( !rSourceKey.isEmpty() )
aSrcKeyWithoutSlash = rSourceKey.copy(
0, rSourceKey.getLength() - 1 );
for ( const OUString& rKey : aKeys )
{
if ( rKey.startsWith(aSrcKeyWithSlash )
|| rKey == aSrcKeyWithoutSlash )
{
OUString aNewKey
= rKey.replaceAt(
0, rSourceKey.getLength(), rTargetKey );
if ( !copyAdditionalPropertySet(
rKey, aNewKey, false ) )
return false;
}
}
}
}
else
{
// Get old property set, if exists.
uno::Reference< css::ucb::XPersistentPropertySet >
xOldPropSet = getAdditionalPropertySet( rSourceKey, false );
if ( !xOldPropSet.is() )
return false;
uno::Reference< beans::XPropertySetInfo > xPropSetInfo
= xOldPropSet->getPropertySetInfo();
if ( !xPropSetInfo.is() )
return false;
uno::Reference< beans::XPropertyAccess > xOldPropAccess(
xOldPropSet, uno::UNO_QUERY );
if ( !xOldPropAccess.is() )
return false;
// Obtain all values from old set.
const uno::Sequence< beans::PropertyValue > aValues
= xOldPropAccess->getPropertyValues();
const uno::Sequence< beans::Property > aProps
= xPropSetInfo->getProperties();
if ( aValues.hasElements() )
{
// Fail, if property set with new key already exists.
uno::Reference< css::ucb::XPersistentPropertySet >
xNewPropSet
= getAdditionalPropertySet( rTargetKey, false );
if ( xNewPropSet.is() )
return false;
// Create new, empty set.
xNewPropSet = getAdditionalPropertySet( rTargetKey, true );
if ( !xNewPropSet.is() )
return false;
uno::Reference< beans::XPropertyContainer > xNewPropContainer(
xNewPropSet, uno::UNO_QUERY );
if ( !xNewPropContainer.is() )
return false;
for ( const beans::PropertyValue& rValue : aValues )
{
sal_Int16 nAttribs = 0;
auto pProp = std::find_if(aProps.begin(), aProps.end(),
[&rValue](const beans::Property& rProp) { return rProp.Name == rValue.Name; });
if (pProp != aProps.end())
nAttribs = pProp->Attributes;
try
{
xNewPropContainer->addProperty(
rValue.Name, nAttribs, rValue.Value );
}
catch ( beans::PropertyExistException & )
{
}
catch ( beans::IllegalTypeException & )
{
}
catch ( lang::IllegalArgumentException & )
{
}
}
}
}
return true;
}
bool ContentProviderImplHelper::removeAdditionalPropertySet(
const OUString& rKey, bool bRecursive )
{
osl::MutexGuard aGuard( m_aMutex );
if ( bRecursive )
{
// Get propertyset registry.
getAdditionalPropertySetRegistry();
if ( !m_pImpl->m_xPropertySetRegistry.is() )
return false;
uno::Reference< container::XNameAccess > xNameAccess(
m_pImpl->m_xPropertySetRegistry, uno::UNO_QUERY );
if ( !xNameAccess.is() )
return false;
const uno::Sequence< OUString > aKeys
= xNameAccess->getElementNames();
if ( aKeys.hasElements() )
{
OUString aKeyWithSlash = rKey;
OUString aKeyWithoutSlash;
if ( !aKeyWithSlash.endsWith("/") )
{
aKeyWithSlash += "/";
aKeyWithoutSlash = rKey;
}
else if ( !rKey.isEmpty() )
aKeyWithoutSlash
= rKey.copy( 0, rKey.getLength() - 1 );
for ( const OUString& rCurrKey : aKeys )
{
if ( rCurrKey.startsWith(aKeyWithSlash )
|| rCurrKey == aKeyWithoutSlash )
{
if ( !removeAdditionalPropertySet(
rCurrKey, false ) )
return false;
}
}
}
}
else
{
// Get propertyset registry.
getAdditionalPropertySetRegistry();
if ( !m_pImpl->m_xPropertySetRegistry.is() )
return false;
m_pImpl->m_xPropertySetRegistry->removePropertySet( rKey );
}
return true;
}
} // namespace ucbhelper
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */