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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 <comphelper/sequence.hxx>
#include <cppuhelper/implementationentry.hxx>
#include <cppuhelper/factory.hxx>
#include <tools/diagnose_ex.h>
#include <sal/log.hxx>
#include <com/sun/star/container/XContentEnumerationAccess.hpp>
#include <com/sun/star/lang/WrappedTargetRuntimeException.hpp>
#include "ProviderCache.hxx"
using namespace com::sun::star;
using namespace com::sun::star::uno;
using namespace com::sun::star::script;
namespace func_provider
{
ProviderCache::ProviderCache( const Reference< XComponentContext >& xContext, const Sequence< Any >& scriptContext ) : m_Sctx( scriptContext ), m_xContext( xContext )
{
// initialise m_hProviderDetailsCache with details of ScriptProviders
// will use createContentEnumeration
m_xMgr = m_xContext->getServiceManager();
ENSURE_OR_THROW( m_xMgr.is(), "ProviderCache::ProviderCache() failed to obtain ServiceManager" );
populateCache();
}
ProviderCache::ProviderCache( const Reference< XComponentContext >& xContext, const Sequence< Any >& scriptContext, const Sequence< OUString >& blackList ) : m_sBlackList( blackList ), m_Sctx( scriptContext ), m_xContext( xContext )
{
// initialise m_hProviderDetailsCache with details of ScriptProviders
// will use createContentEnumeration
m_xMgr = m_xContext->getServiceManager();
ENSURE_OR_THROW( m_xMgr.is(), "ProviderCache::ProviderCache() failed to obtain ServiceManager" );
populateCache();
}
ProviderCache::~ProviderCache()
{
}
Reference< provider::XScriptProvider >
ProviderCache::getProvider( const OUString& providerName )
{
::osl::Guard< osl::Mutex > aGuard( m_mutex );
Reference< provider::XScriptProvider > provider;
ProviderDetails_hash::iterator h_it = m_hProviderDetailsCache.find( providerName );
if ( h_it != m_hProviderDetailsCache.end() )
{
if ( h_it->second.provider.is() )
{
provider = h_it->second.provider;
}
else
{
// need to create provider and insert into hash
provider = createProvider( h_it->second );
}
}
return provider;
}
Sequence < Reference< provider::XScriptProvider > >
ProviderCache::getAllProviders()
{
// need to create providers that haven't been created already
// so check what providers exist and what ones don't
::osl::Guard< osl::Mutex > aGuard( m_mutex );
Sequence < Reference< provider::XScriptProvider > > providers ( m_hProviderDetailsCache.size() );
// should assert if size !> 0
if ( !m_hProviderDetailsCache.empty() )
{
sal_Int32 providerIndex = 0;
for (auto& rDetail : m_hProviderDetailsCache)
{
Reference<provider::XScriptProvider> xScriptProvider = rDetail.second.provider;
if ( xScriptProvider.is() )
{
providers[ providerIndex++ ] = xScriptProvider;
}
else
{
// create provider
try
{
xScriptProvider = createProvider(rDetail.second);
providers[ providerIndex++ ] = xScriptProvider;
}
catch ( const Exception& )
{
DBG_UNHANDLED_EXCEPTION("scripting");
}
}
}
if (providerIndex < providers.getLength())
{
providers.realloc( providerIndex );
}
}
else
{
SAL_WARN("scripting", "no available providers, something very wrong!!!");
}
return providers;
}
void
ProviderCache::populateCache()
{
// wrong name in services.rdb
OUString serviceName;
::osl::Guard< osl::Mutex > aGuard( m_mutex );
try
{
OUString const languageProviderName( "com.sun.star.script.provider.LanguageScriptProvider" );
Reference< container::XContentEnumerationAccess > xEnumAccess( m_xMgr, UNO_QUERY_THROW );
Reference< container::XEnumeration > xEnum = xEnumAccess->createContentEnumeration ( languageProviderName );
while ( xEnum->hasMoreElements() )
{
Reference< lang::XSingleComponentFactory > factory( xEnum->nextElement(), UNO_QUERY_THROW );
Reference< lang::XServiceInfo > xServiceInfo( factory, UNO_QUERY_THROW );
Sequence< OUString > serviceNames = xServiceInfo->getSupportedServiceNames();
if ( serviceNames.hasElements() )
{
auto pName = std::find_if(serviceNames.begin(), serviceNames.end(),
[this](const OUString& rName) {
return rName.startsWith("com.sun.star.script.provider.ScriptProviderFor")
&& !isInBlackList(rName);
});
if (pName != serviceNames.end())
{
serviceName = *pName;
ProviderDetails details;
details.factory = factory;
m_hProviderDetailsCache[ serviceName ] = details;
}
}
}
}
catch ( const Exception &e )
{
css::uno::Any anyEx = cppu::getCaughtException();
throw css::lang::WrappedTargetRuntimeException(
"ProviderCache::populateCache: couldn't obtain XSingleComponentFactory for " + serviceName
+ " " + e.Message,
nullptr, anyEx );
}
}
Reference< provider::XScriptProvider >
ProviderCache::createProvider( ProviderDetails& details )
{
try
{
details.provider.set(
details.factory->createInstanceWithArgumentsAndContext( m_Sctx, m_xContext ), UNO_QUERY_THROW );
}
catch ( const Exception& e )
{
css::uno::Any anyEx = cppu::getCaughtException();
throw css::lang::WrappedTargetRuntimeException(
"ProviderCache::createProvider() Error creating provider from factory. " + e.Message,
nullptr, anyEx );
}
return details.provider;
}
bool
ProviderCache::isInBlackList( const OUString& serviceName )
{
return comphelper::findValue(m_sBlackList, serviceName) != -1;
}
} //end namespace
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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