xref: /aoo41x/main/ucb/source/core/provprox.cxx (revision 2f86921c)

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 *
 * 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
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 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_ucb.hxx"
#include <osl/diagnose.h>
#include "provprox.hxx"
#include <com/sun/star/lang/XInitialization.hpp>

using namespace rtl;
using namespace com::sun::star::lang;
using namespace com::sun::star::ucb;
using namespace com::sun::star::uno;

//=========================================================================
//=========================================================================
//
// UcbContentProviderProxyFactory Implementation.
//
//=========================================================================
//=========================================================================

UcbContentProviderProxyFactory::UcbContentProviderProxyFactory(
						const Reference< XMultiServiceFactory >& rxSMgr )
: m_xSMgr( rxSMgr )
{
}

//=========================================================================
// virtual
UcbContentProviderProxyFactory::~UcbContentProviderProxyFactory()
{
}

//=========================================================================
//
// XInterface methods.
//
//=========================================================================

XINTERFACE_IMPL_3( UcbContentProviderProxyFactory,
				   XTypeProvider,
				   XServiceInfo,
				   XContentProviderFactory );

//=========================================================================
//
// XTypeProvider methods.
//
//=========================================================================

XTYPEPROVIDER_IMPL_3( UcbContentProviderProxyFactory,
	 		   		  XTypeProvider,
					  XServiceInfo,
	 		   		  XContentProviderFactory );

//=========================================================================
//
// XServiceInfo methods.
//
//=========================================================================

XSERVICEINFO_IMPL_1( UcbContentProviderProxyFactory,
					 OUString::createFromAscii(
		 				"com.sun.star.comp.ucb.UcbContentProviderProxyFactory" ),
					 OUString::createFromAscii(
		 				PROVIDER_FACTORY_SERVICE_NAME ) );

//=========================================================================
//
// Service factory implementation.
//
//=========================================================================

ONE_INSTANCE_SERVICE_FACTORY_IMPL( UcbContentProviderProxyFactory );

//=========================================================================
//
// XContentProviderFactory methods.
//
//=========================================================================

// virtual
Reference< XContentProvider > SAL_CALL
UcbContentProviderProxyFactory::createContentProvider(
												const OUString& Service )
	throw( RuntimeException )
{
	return Reference< XContentProvider >(
						new UcbContentProviderProxy( m_xSMgr, Service ) );
}

//=========================================================================
//=========================================================================
//
// UcbContentProviderProxy Implementation.
//
//=========================================================================
//=========================================================================

UcbContentProviderProxy::UcbContentProviderProxy(
						const Reference< XMultiServiceFactory >& rxSMgr,
						const OUString& Service )
: m_aService( Service ),
  m_bReplace( sal_False ),
  m_bRegister( sal_False ),
  m_xSMgr( rxSMgr )
{
}

//=========================================================================
// virtual
UcbContentProviderProxy::~UcbContentProviderProxy()
{
}

//=========================================================================
//
// XInterface methods.
//
//=========================================================================

XINTERFACE_COMMON_IMPL( UcbContentProviderProxy );

//============================================================================
// virtual
Any SAL_CALL
UcbContentProviderProxy::queryInterface( const Type & rType )
	throw ( RuntimeException )
{
	Any aRet = cppu::queryInterface( rType,
				static_cast< XTypeProvider * >( this ),
				static_cast< XServiceInfo * >( this ),
				static_cast< XContentProvider * >( this ),
				static_cast< XParameterizedContentProvider * >( this ),
				static_cast< XContentProviderSupplier * >( this ) );

	if ( !aRet.hasValue() )
		aRet = OWeakObject::queryInterface( rType );

	if ( !aRet.hasValue() )
	{
		// Get original provider an forward the call...
		osl::Guard< osl::Mutex > aGuard( m_aMutex );
        Reference< XContentProvider > xProvider = getContentProvider();
		if ( xProvider.is() )
			aRet = xProvider->queryInterface( rType );
	}

	return aRet;
}

//=========================================================================
//
// XTypeProvider methods.
//
//=========================================================================

XTYPEPROVIDER_COMMON_IMPL( UcbContentProviderProxy );

//=========================================================================

Sequence< Type > SAL_CALL UcbContentProviderProxy::getTypes()                                                           \
    throw( RuntimeException )
{
    // Get original provider an forward the call...
    osl::Guard< osl::Mutex > aGuard( m_aMutex );
    Reference< XTypeProvider > xProvider( getContentProvider(), UNO_QUERY );
    if ( xProvider.is() )
    {
        return xProvider->getTypes();
    }
    else
    {
        static cppu::OTypeCollection collection(
            CPPU_TYPE_REF( XTypeProvider ),
            CPPU_TYPE_REF( XServiceInfo ),
            CPPU_TYPE_REF( XContentProvider ),
            CPPU_TYPE_REF( XParameterizedContentProvider ),
            CPPU_TYPE_REF( XContentProviderSupplier ) );
        return collection.getTypes();
    }
}

//=========================================================================
//
// XServiceInfo methods.
//
//=========================================================================

XSERVICEINFO_NOFACTORY_IMPL_1( UcbContentProviderProxy,
				 		   OUString::createFromAscii(
	 		   				"com.sun.star.comp.ucb.UcbContentProviderProxy" ),
				 		   OUString::createFromAscii(
	 						PROVIDER_PROXY_SERVICE_NAME ) );

//=========================================================================
//
// XContentProvider methods.
//
//=========================================================================

// virtual
Reference< XContent > SAL_CALL UcbContentProviderProxy::queryContent(
						const Reference< XContentIdentifier >& Identifier )
	throw( IllegalIdentifierException,
		   RuntimeException )
{
	// Get original provider an forward the call...

	osl::Guard< osl::Mutex > aGuard( m_aMutex );

	Reference< XContentProvider > xProvider = getContentProvider();
	if ( xProvider.is() )
		return xProvider->queryContent( Identifier );

	return Reference< XContent >();
}

//=========================================================================
// virtual
sal_Int32 SAL_CALL UcbContentProviderProxy::compareContentIds(
					   const Reference< XContentIdentifier >& Id1,
					   const Reference< XContentIdentifier >& Id2 )
	throw( RuntimeException )
{
	// Get original provider an forward the call...

	osl::Guard< osl::Mutex > aGuard( m_aMutex );
	Reference< XContentProvider > xProvider = getContentProvider();
	if ( xProvider.is() )
		return xProvider->compareContentIds( Id1, Id2 );

    // OSL_ENSURE( sal_False,
    // "UcbContentProviderProxy::compareContentIds - No provider!" );

	// @@@ What else?
	return 0;
}

//=========================================================================
//
// XParameterizedContentProvider methods.
//
//=========================================================================

// virtual
Reference< XContentProvider > SAL_CALL
UcbContentProviderProxy::registerInstance( const OUString& Template,
					  					   const OUString& Arguments,
					  					   sal_Bool ReplaceExisting )
	throw( IllegalArgumentException,
		   RuntimeException )
{
	// Just remember that this method was called ( and the params ).

	osl::Guard< osl::Mutex > aGuard( m_aMutex );

	if ( !m_bRegister )
	{
//		m_xTargetProvider = 0;
		m_aTemplate  = Template;
		m_aArguments = Arguments;
		m_bReplace   = ReplaceExisting;

		m_bRegister  = sal_True;
	}
	return this;
}

//=========================================================================
// virtual
Reference< XContentProvider > SAL_CALL
UcbContentProviderProxy::deregisterInstance( const OUString& Template,
											 const OUString& Arguments )
	throw( IllegalArgumentException,
		   RuntimeException )
{
	osl::Guard< osl::Mutex > aGuard( m_aMutex );

	// registerInstance called at proxy and at original?
	if ( m_bRegister && m_xTargetProvider.is() )
	{
		m_bRegister       = sal_False;
		m_xTargetProvider = 0;

		Reference< XParameterizedContentProvider >
								xParamProvider( m_xProvider, UNO_QUERY );
		if ( xParamProvider.is() )
		{
			try
			{
                xParamProvider->deregisterInstance( Template, Arguments );
			}
			catch ( IllegalIdentifierException const & )
			{
				OSL_ENSURE( sal_False,
					"UcbContentProviderProxy::deregisterInstance - "
					"Caught IllegalIdentifierException!" );
			}
		}
	}

	return this;
}

//=========================================================================
//
// XContentProviderSupplier methods.
//
//=========================================================================

// virtual
Reference< XContentProvider > SAL_CALL
UcbContentProviderProxy::getContentProvider()
	throw( RuntimeException )
{
	osl::Guard< osl::Mutex > aGuard( m_aMutex );
	if ( !m_xProvider.is() )
	{
		try
		{
			m_xProvider
				= Reference< XContentProvider >(
				  	m_xSMgr->createInstance( m_aService ), UNO_QUERY );
            if(m_aArguments.compareToAscii("NoConfig") == 0)
            {
                Reference<XInitialization> xInit(m_xProvider,UNO_QUERY);
                if(xInit.is()) {
                    Sequence<Any> aArgs(1);
                    aArgs[0] <<= m_aArguments;
                    xInit->initialize(aArgs);
                }
            }
		}
		catch ( RuntimeException const & )
		{
			throw;
		}
		catch ( Exception const & )
		{
		}

		// registerInstance called at proxy, but not yet at original?
		if ( m_xProvider.is() && m_bRegister )
		{
			Reference< XParameterizedContentProvider >
				xParamProvider( m_xProvider, UNO_QUERY );
			if ( xParamProvider.is() )
			{
				try
				{
					m_xTargetProvider
						= xParamProvider->registerInstance( m_aTemplate,
															m_aArguments,
															m_bReplace );
				}
				catch ( IllegalIdentifierException const & )
				{
					OSL_ENSURE( sal_False,
						"UcbContentProviderProxy::getContentProvider - "
						"Caught IllegalIdentifierException!" );
				}

				OSL_ENSURE( m_xTargetProvider.is(),
					"UcbContentProviderProxy::getContentProvider - "
					"No provider!" );
			}
		}
		if ( !m_xTargetProvider.is() )
			m_xTargetProvider = m_xProvider;
	}

	OSL_ENSURE( m_xProvider.is(),
				"UcbContentProviderProxy::getContentProvider - No provider!" );
	return m_xTargetProvider;
}