/*************************************************************************
 *
 *  OpenOffice.org - a multi-platform office productivity suite
 *
 *  $RCSfile: unourl_resolver.cxx,v $
 *
 *  $Revision: 1.7 $
 *
 *  last change: $Author: hr $ $Date: 2006-06-19 13:17:45 $
 *
 *  The Contents of this file are made available subject to
 *  the terms of GNU Lesser General Public License Version 2.1.
 *
 *
 *    GNU Lesser General Public License Version 2.1
 *    =============================================
 *    Copyright 2005 by Sun Microsystems, Inc.
 *    901 San Antonio Road, Palo Alto, CA 94303, USA
 *
 *    This library is free software; you can redistribute it and/or
 *    modify it under the terms of the GNU Lesser General Public
 *    License version 2.1, as published by the Free Software Foundation.
 *
 *    This library is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *    Lesser General Public License for more details.
 *
 *    You should have received a copy of the GNU Lesser General Public
 *    License along with this library; if not, write to the Free Software
 *    Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 *    MA  02111-1307  USA
 *
 ************************************************************************/

//  #define TRACE(x) OSL_TRACE(x)
#define TRACE(x)

#include <osl/diagnose.h>
#include <osl/mutex.hxx>
#include <cppuhelper/factory.hxx>
#include <cppuhelper/implbase2.hxx>
#include <cppuhelper/implementationentry.hxx>
#include "cppuhelper/unourl.hxx"
#include "rtl/malformeduriexception.hxx"

#include <com/sun/star/lang/XServiceInfo.hpp>
#include <com/sun/star/lang/XComponent.hpp>
#include <com/sun/star/registry/XRegistryKey.hpp>
#include <com/sun/star/connection/XConnector.hpp>
#include <com/sun/star/bridge/XBridgeFactory.hpp>
#include <com/sun/star/bridge/XUnoUrlResolver.hpp>

using namespace cppu;
using namespace rtl;
using namespace osl;
using namespace com::sun::star::uno;
using namespace com::sun::star::lang;
using namespace com::sun::star::connection;
using namespace com::sun::star::bridge;
using namespace com::sun::star::registry;

#define SERVICENAME     "com.sun.star.bridge.UnoUrlResolver"
#define IMPLNAME        "com.sun.star.comp.bridge.UnoUrlResolver"

namespace unourl_resolver
{
    rtl_StandardModuleCount g_moduleCount = MODULE_COUNT_INIT;
//--------------------------------------------------------------------------------------------------
Sequence< OUString > resolver_getSupportedServiceNames()
{
    static Sequence < OUString > *pNames = 0;
    if( ! pNames )
    {
        MutexGuard guard( Mutex::getGlobalMutex() );
        if( !pNames )
        {
            static Sequence< OUString > seqNames(1);
            seqNames.getArray()[0] = OUString(RTL_CONSTASCII_USTRINGPARAM(SERVICENAME));
            pNames = &seqNames;
        }
    }
    return *pNames;
}

OUString resolver_getImplementationName()
{
    static OUString *pImplName = 0;
    if( ! pImplName )
    {
        MutexGuard guard( Mutex::getGlobalMutex() );
        if( ! pImplName )
        {
            static OUString implName(
                RTL_CONSTASCII_USTRINGPARAM( IMPLNAME ) );
            pImplName = &implName;
        }
    }
    return *pImplName;
}

//==================================================================================================
class ResolverImpl : public WeakImplHelper2< XServiceInfo, XUnoUrlResolver >
{
    Reference< XMultiComponentFactory > _xSMgr;
    Reference< XComponentContext > _xCtx;

public:
    ResolverImpl( const Reference< XComponentContext > & xSMgr );
    virtual ~ResolverImpl();

    // XServiceInfo
    virtual OUString SAL_CALL getImplementationName() throw(::com::sun::star::uno::RuntimeException);
    virtual sal_Bool SAL_CALL supportsService( const OUString & rServiceName ) throw(::com::sun::star::uno::RuntimeException);
    virtual Sequence< OUString > SAL_CALL getSupportedServiceNames() throw(::com::sun::star::uno::RuntimeException);

    // XUnoUrlResolver
    virtual Reference< XInterface > SAL_CALL resolve( const OUString & rUnoUrl )
        throw (NoConnectException, ConnectionSetupException, RuntimeException);
};

//##################################################################################################

//__________________________________________________________________________________________________
ResolverImpl::ResolverImpl( const Reference< XComponentContext > & xCtx )
    : _xSMgr( xCtx->getServiceManager() )
    , _xCtx( xCtx )
{
    g_moduleCount.modCnt.acquire( &g_moduleCount.modCnt );
}
//__________________________________________________________________________________________________
ResolverImpl::~ResolverImpl()
{
    g_moduleCount.modCnt.release( &g_moduleCount.modCnt );
}

// XServiceInfo
//__________________________________________________________________________________________________
OUString ResolverImpl::getImplementationName()
    throw(::com::sun::star::uno::RuntimeException)
{
    return resolver_getImplementationName();
}
//__________________________________________________________________________________________________
sal_Bool ResolverImpl::supportsService( const OUString & rServiceName )
    throw(::com::sun::star::uno::RuntimeException)
{
    const Sequence< OUString > & rSNL = getSupportedServiceNames();
    const OUString * pArray = rSNL.getConstArray();
    for ( sal_Int32 nPos = rSNL.getLength(); nPos--; )
    {
        if (pArray[nPos] == rServiceName)
            return sal_True;
    }
    return sal_False;
}
//__________________________________________________________________________________________________
Sequence< OUString > ResolverImpl::getSupportedServiceNames()
    throw(::com::sun::star::uno::RuntimeException)
{
    return resolver_getSupportedServiceNames();
}

// XUnoUrlResolver
//__________________________________________________________________________________________________
Reference< XInterface > ResolverImpl::resolve( const OUString & rUnoUrl )
    throw (NoConnectException, ConnectionSetupException, RuntimeException)
{
    OUString aProtocolDescr;
    OUString aConnectDescr;
    OUString aInstanceName;
    try
    {
        cppu::UnoUrl aUrl(rUnoUrl);
        aProtocolDescr = aUrl.getProtocol().getDescriptor();
        aConnectDescr = aUrl.getConnection().getDescriptor();
        aInstanceName = aUrl.getObjectName();
    }
    catch (rtl::MalformedUriException & rEx)
    {
        throw ConnectionSetupException(rEx.getMessage(), 0);
    }

    Reference< XConnector > xConnector(
        _xSMgr->createInstanceWithContext(
            OUString( RTL_CONSTASCII_USTRINGPARAM("com.sun.star.connection.Connector") ),
            _xCtx ),
        UNO_QUERY );

    if (! xConnector.is())
        throw RuntimeException( OUString( RTL_CONSTASCII_USTRINGPARAM("no connector!" ) ), Reference< XInterface >() );

    Reference< XConnection > xConnection( xConnector->connect( aConnectDescr ) );

    // As soon as singletons are ready, switch to singleton !
    Reference< XBridgeFactory > xBridgeFactory(
        _xSMgr->createInstanceWithContext(
            OUString( RTL_CONSTASCII_USTRINGPARAM("com.sun.star.bridge.BridgeFactory") ),
            _xCtx ),
        UNO_QUERY );

    if (! xBridgeFactory.is())
        throw RuntimeException( OUString( RTL_CONSTASCII_USTRINGPARAM("no bridge factory!" ) ), Reference< XInterface >() );

    // bridge
    Reference< XBridge > xBridge( xBridgeFactory->createBridge(
        OUString(), aProtocolDescr,
        xConnection, Reference< XInstanceProvider >() ) );

    Reference< XInterface > xRet( xBridge->getInstance( aInstanceName ) );

    return xRet;
}

//==================================================================================================
static Reference< XInterface > SAL_CALL ResolverImpl_create( const Reference< XComponentContext > & xCtx )
{
    return Reference< XInterface >( *new ResolverImpl( xCtx ) );
}


}

using namespace unourl_resolver;

static struct ImplementationEntry g_entries[] =
{
    {
        ResolverImpl_create, resolver_getImplementationName,
        resolver_getSupportedServiceNames, createSingleComponentFactory,
        &g_moduleCount.modCnt , 0
    },
    { 0, 0, 0, 0, 0, 0 }
};

extern "C"
{
sal_Bool SAL_CALL component_canUnload( TimeValue *pTime )
{
    return g_moduleCount.canUnload( &g_moduleCount , pTime );
}

//==================================================================================================
void SAL_CALL component_getImplementationEnvironment(
    const sal_Char ** ppEnvTypeName, uno_Environment ** )
{
    *ppEnvTypeName = CPPU_CURRENT_LANGUAGE_BINDING_NAME;
}
//==================================================================================================
sal_Bool SAL_CALL component_writeInfo(
    void * pServiceManager, void * pRegistryKey )
{
    return component_writeInfoHelper( pServiceManager, pRegistryKey, g_entries );
}
//==================================================================================================
void * SAL_CALL component_getFactory(
    const sal_Char * pImplName, void * pServiceManager, void * pRegistryKey )
{
    return component_getFactoryHelper( pImplName, pServiceManager, pRegistryKey , g_entries );
}
}
