354 lines
10 KiB
C++
354 lines
10 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 <osl/diagnose.h>
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#include <osl/thread.h>
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#include <rtl/strbuf.hxx>
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#include <comphelper/diagnose_ex.hxx>
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#include "provprox.hxx"
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#include <com/sun/star/lang/XInitialization.hpp>
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#include <com/sun/star/ucb/IllegalIdentifierException.hpp>
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#include <cppuhelper/queryinterface.hxx>
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#include <cppuhelper/weak.hxx>
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#include <ucbhelper/macros.hxx>
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#include <utility>
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using namespace com::sun::star::lang;
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using namespace com::sun::star::ucb;
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using namespace com::sun::star::uno;
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// UcbContentProviderProxyFactory Implementation.
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UcbContentProviderProxyFactory::UcbContentProviderProxyFactory(
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const Reference< XComponentContext >& rxContext )
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: m_xContext( rxContext )
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{
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}
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// virtual
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UcbContentProviderProxyFactory::~UcbContentProviderProxyFactory()
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{
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}
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// XServiceInfo methods.
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OUString SAL_CALL UcbContentProviderProxyFactory::getImplementationName()
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{
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return u"com.sun.star.comp.ucb.UcbContentProviderProxyFactory"_ustr;
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}
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sal_Bool SAL_CALL UcbContentProviderProxyFactory::supportsService( const OUString& ServiceName )
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{
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return cppu::supportsService( this, ServiceName );
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}
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css::uno::Sequence< OUString > SAL_CALL UcbContentProviderProxyFactory::getSupportedServiceNames()
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{
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return { u"com.sun.star.ucb.ContentProviderProxyFactory"_ustr };
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}
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// Service factory implementation.
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extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
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ucb_UcbContentProviderProxyFactory_get_implementation(
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css::uno::XComponentContext* context , css::uno::Sequence<css::uno::Any> const&)
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{
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return cppu::acquire(new UcbContentProviderProxyFactory(context));
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}
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// XContentProviderFactory methods.
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// virtual
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Reference< XContentProvider > SAL_CALL
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UcbContentProviderProxyFactory::createContentProvider(
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const OUString& Service )
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{
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return Reference< XContentProvider >(
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new UcbContentProviderProxy( m_xContext, Service ) );
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}
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// UcbContentProviderProxy Implementation.
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UcbContentProviderProxy::UcbContentProviderProxy(
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const Reference< XComponentContext >& rxContext,
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OUString Service )
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: m_aService(std::move( Service )),
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m_bReplace( false ),
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m_bRegister( false ),
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m_xContext( rxContext )
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{
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}
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// virtual
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UcbContentProviderProxy::~UcbContentProviderProxy()
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{
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}
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// XInterface methods.
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void SAL_CALL UcbContentProviderProxy::acquire()
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noexcept
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{
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OWeakObject::acquire();
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}
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void SAL_CALL UcbContentProviderProxy::release()
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noexcept
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{
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OWeakObject::release();
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}
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// virtual
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Any SAL_CALL
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UcbContentProviderProxy::queryInterface( const Type & rType )
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{
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Any aRet = cppu::queryInterface( rType,
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static_cast< XTypeProvider * >( this ),
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static_cast< XServiceInfo * >( this ),
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static_cast< XContentProvider * >( this ),
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static_cast< XParameterizedContentProvider * >( this ),
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static_cast< XContentProviderSupplier * >( this ) );
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if ( !aRet.hasValue() )
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aRet = OWeakObject::queryInterface( rType );
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if ( !aRet.hasValue() )
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{
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// Get original provider and forward the call...
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Reference< XContentProvider > xProvider = getContentProvider();
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if ( xProvider.is() )
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aRet = xProvider->queryInterface( rType );
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}
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return aRet;
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}
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// XTypeProvider methods.
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XTYPEPROVIDER_COMMON_IMPL( UcbContentProviderProxy );
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Sequence< Type > SAL_CALL UcbContentProviderProxy::getTypes()
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{
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// Get original provider and forward the call...
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Reference< XTypeProvider > xProvider( getContentProvider(), UNO_QUERY );
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if ( xProvider.is() )
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{
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return xProvider->getTypes();
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}
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else
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{
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static cppu::OTypeCollection s_aCollection(
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CPPU_TYPE_REF( XTypeProvider ),
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CPPU_TYPE_REF( XServiceInfo ),
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CPPU_TYPE_REF( XContentProvider ),
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CPPU_TYPE_REF( XParameterizedContentProvider ),
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CPPU_TYPE_REF( XContentProviderSupplier ) );
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return s_aCollection.getTypes();
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}
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}
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// XServiceInfo methods.
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OUString SAL_CALL UcbContentProviderProxy::getImplementationName()
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{
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return u"com.sun.star.comp.ucb.UcbContentProviderProxy"_ustr;
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}
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sal_Bool SAL_CALL UcbContentProviderProxy::supportsService( const OUString& ServiceName )
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{
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return cppu::supportsService( this, ServiceName );
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}
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css::uno::Sequence< OUString > SAL_CALL UcbContentProviderProxy::getSupportedServiceNames()
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{
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return { u"com.sun.star.ucb.ContentProviderProxy"_ustr };
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}
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// XContentProvider methods.
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// virtual
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Reference< XContent > SAL_CALL UcbContentProviderProxy::queryContent(
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const Reference< XContentIdentifier >& Identifier )
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{
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// Get original provider and forward the call...
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Reference< XContentProvider > xProvider = getContentProvider();
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if ( xProvider.is() )
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return xProvider->queryContent( Identifier );
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return Reference< XContent >();
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}
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// virtual
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sal_Int32 SAL_CALL UcbContentProviderProxy::compareContentIds(
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const Reference< XContentIdentifier >& Id1,
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const Reference< XContentIdentifier >& Id2 )
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{
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// Get original provider and forward the call...
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Reference< XContentProvider > xProvider = getContentProvider();
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if ( xProvider.is() )
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return xProvider->compareContentIds( Id1, Id2 );
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// OSL_FAIL( // "UcbContentProviderProxy::compareContentIds - No provider!" );
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// @@@ What else?
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return 0;
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}
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// XParameterizedContentProvider methods.
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// virtual
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Reference< XContentProvider > SAL_CALL
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UcbContentProviderProxy::registerInstance( const OUString& Template,
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const OUString& Arguments,
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sal_Bool ReplaceExisting )
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{
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// Just remember that this method was called ( and the params ).
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std::scoped_lock aGuard( m_aMutex );
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if ( !m_bRegister )
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{
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// m_xTargetProvider = 0;
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m_aTemplate = Template;
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m_aArguments = Arguments;
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m_bReplace = ReplaceExisting;
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m_bRegister = true;
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}
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return this;
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}
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// virtual
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Reference< XContentProvider > SAL_CALL
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UcbContentProviderProxy::deregisterInstance( const OUString& Template,
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const OUString& Arguments )
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{
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std::scoped_lock aGuard( m_aMutex );
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// registerInstance called at proxy and at original?
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if ( m_bRegister && m_xTargetProvider.is() )
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{
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m_bRegister = false;
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m_xTargetProvider = nullptr;
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Reference< XParameterizedContentProvider >
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xParamProvider( m_xProvider, UNO_QUERY );
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if ( xParamProvider.is() )
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{
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try
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{
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xParamProvider->deregisterInstance( Template, Arguments );
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}
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catch ( IllegalIdentifierException const & )
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{
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OSL_FAIL( "UcbContentProviderProxy::deregisterInstance - "
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"Caught IllegalIdentifierException!" );
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}
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}
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}
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return this;
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}
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// XContentProviderSupplier methods.
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// virtual
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Reference< XContentProvider > SAL_CALL
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UcbContentProviderProxy::getContentProvider()
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{
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std::scoped_lock aGuard( m_aMutex );
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if ( !m_xProvider.is() )
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{
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try
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{
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m_xProvider.set( m_xContext->getServiceManager()->createInstanceWithContext( m_aService,m_xContext ), UNO_QUERY );
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if ( m_aArguments == "NoConfig" )
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{
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Reference<XInitialization> xInit(m_xProvider,UNO_QUERY);
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if(xInit.is()) {
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xInit->initialize({ Any(m_aArguments) });
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}
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}
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}
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catch ( RuntimeException const & )
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{
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throw;
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}
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catch ( Exception const & )
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{
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TOOLS_INFO_EXCEPTION( "ucb.core", "Exception getting content provider");
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}
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// registerInstance called at proxy, but not yet at original?
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if ( m_xProvider.is() && m_bRegister )
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{
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Reference< XParameterizedContentProvider >
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xParamProvider( m_xProvider, UNO_QUERY );
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if ( xParamProvider.is() )
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{
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try
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{
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m_xTargetProvider
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= xParamProvider->registerInstance( m_aTemplate,
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m_aArguments,
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m_bReplace );
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}
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catch ( IllegalIdentifierException const & )
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{
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OSL_FAIL( "UcbContentProviderProxy::getContentProvider - "
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"Caught IllegalIdentifierException!" );
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}
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OSL_ENSURE( m_xTargetProvider.is(),
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"UcbContentProviderProxy::getContentProvider - "
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"No provider!" );
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}
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}
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if ( !m_xTargetProvider.is() )
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m_xTargetProvider = m_xProvider;
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}
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OSL_ENSURE( m_xProvider.is(),
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OStringBuffer("UcbContentProviderProxy::getContentProvider - No provider for '" +
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OUStringToOString(m_aService, osl_getThreadTextEncoding()) +
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".").getStr() );
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return m_xTargetProvider;
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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