/*************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * Copyright 2008 by Sun Microsystems, Inc.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * $RCSfile: gio_provider.cxx,v $
 * $Revision: 1.2 $
 *
 * This file is part of OpenOffice.org.
 *
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 * it under the terms of the GNU Lesser General Public License version 3
 * only, as published by the Free Software Foundation.
 *
 * OpenOffice.org 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 version 3 for more details
 * (a copy is included in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with OpenOffice.org.  If not, see
 * <http://www.openoffice.org/license.html>
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#include <ucbhelper/contentidentifier.hxx>
#include <ucbhelper/contenthelper.hxx>
#include <com/sun/star/ucb/ContentCreationException.hpp>
#include "gio_provider.hxx"
#include "gio_content.hxx"

#include <stdio.h>

using namespace com::sun::star;

namespace gio
{
uno::Reference< com::sun::star::ucb::XContent > SAL_CALL
ContentProvider::queryContent(
            const uno::Reference<
                    com::sun::star::ucb::XContentIdentifier >& Identifier )
    throw( com::sun::star::ucb::IllegalIdentifierException,
           uno::RuntimeException )
{
#ifdef DEBUG
    fprintf(stderr, "QueryContent: '%s'",
       (const sal_Char *)rtl::OUStringToOString
       (Identifier->getContentIdentifier(), RTL_TEXTENCODING_UTF8));
#endif

    osl::MutexGuard aGuard( m_aMutex );

    // Check, if a content with given id already exists...
    uno::Reference< ucb::XContent > xContent = queryExistingContent( Identifier ).get();
    if ( xContent.is() )
        return xContent;

    try
    {
        xContent = new ::gio::Content(m_xSMgr, this, Identifier);
    }
    catch ( com::sun::star::ucb::ContentCreationException const & )
    {
        throw com::sun::star::ucb::IllegalIdentifierException();
    }

    if ( !xContent->getIdentifier().is() )
        throw com::sun::star::ucb::IllegalIdentifierException();

    return xContent;
}

ContentProvider::ContentProvider(
    const uno::Reference< lang::XMultiServiceFactory >& rSMgr )
: ::ucbhelper::ContentProviderImplHelper( rSMgr )
{
}

ContentProvider::~ContentProvider()
{
}

XINTERFACE_IMPL_3( ContentProvider,
                   lang::XTypeProvider,
                   lang::XServiceInfo,
                   com::sun::star::ucb::XContentProvider );

XTYPEPROVIDER_IMPL_3( ContentProvider,
                      lang::XTypeProvider,
                      lang::XServiceInfo,
                      com::sun::star::ucb::XContentProvider );

XSERVICEINFO_IMPL_1( ContentProvider,
                     rtl::OUString::createFromAscii(
                       "com.sun.star.comp.GIOContentProvider" ),
                     rtl::OUString::createFromAscii(
                       "com.sun.star.ucb.GIOContentProvider" ) );

ONE_INSTANCE_SERVICE_FACTORY_IMPL( ContentProvider );

}

static sal_Bool writeInfo( void *pRegistryKey,
    const rtl::OUString &rImplementationName, uno::Sequence< rtl::OUString > const &rServiceNames )
{
    rtl::OUString aKeyName( rtl::OUString::createFromAscii( "/" ) );
    aKeyName += rImplementationName;
    aKeyName += rtl::OUString::createFromAscii( "/UNO/SERVICES" );

    uno::Reference< registry::XRegistryKey > xKey;
    try
    {
        xKey = static_cast< registry::XRegistryKey * > (pRegistryKey )->createKey( aKeyName );
    }
    catch ( registry::InvalidRegistryException const & )
    {}

    if ( !xKey.is() )
        return sal_False;

    sal_Bool bSuccess = sal_True;

    for ( sal_Int32 n = 0; n < rServiceNames.getLength(); ++n )
    {
        try
        {
            xKey->createKey( rServiceNames[ n ] );
        }
        catch ( registry::InvalidRegistryException const & )
        {
            bSuccess = sal_False;
            break;
        }
    }
   return bSuccess;
}

extern "C" void SAL_CALL component_getImplementationEnvironment(
    const sal_Char  **ppEnvTypeName, uno_Environment **)
{
    *ppEnvTypeName = CPPU_CURRENT_LANGUAGE_BINDING_NAME;
}

extern "C" sal_Bool SAL_CALL component_writeInfo( void *, void *pRegistryKey )
{
    return pRegistryKey &&
        writeInfo( pRegistryKey,
            ::gio::ContentProvider::getImplementationName_Static(),
            ::gio::ContentProvider::getSupportedServiceNames_Static() );
}

extern "C" void * SAL_CALL component_getFactory( const sal_Char *pImplName,
    void *pServiceManager, void * )
{
    void * pRet = 0;

    uno::Reference< lang::XMultiServiceFactory > xSMgr
        (reinterpret_cast< lang::XMultiServiceFactory * >( pServiceManager ) );
    uno::Reference< lang::XSingleServiceFactory > xFactory;

    g_type_init();

    if ( !::gio::ContentProvider::getImplementationName_Static().compareToAscii( pImplName ) )
        xFactory = ::gio::ContentProvider::createServiceFactory( xSMgr );

    if ( xFactory.is() )
    {
        xFactory->acquire();
        pRet = xFactory.get();
    }

    return pRet;
}