libreoffice/xmlhelp/source/cxxhelp/provider/provider.cxx

/*************************************************************************
 *
 *  $RCSfile: provider.cxx,v $
 *
 *  $Revision: 1.2 $
 *
 *  last change: $Author: abi $ $Date: 2001-05-16 14:53:27 $
 *
 *  The Contents of this file are made available subject to the terms of
 *  either of the following licenses
 *
 *         - GNU Lesser General Public License Version 2.1
 *         - Sun Industry Standards Source License Version 1.1
 *
 *  Sun Microsystems Inc., October, 2000
 *
 *  GNU Lesser General Public License Version 2.1
 *  =============================================
 *  Copyright 2000 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
 *
 *
 *  Sun Industry Standards Source License Version 1.1
 *  =================================================
 *  The contents of this file are subject to the Sun Industry Standards
 *  Source License Version 1.1 (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.openoffice.org/license.html.
 *
 *  Software provided under this License is provided on an "AS IS" basis,
 *  WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
 *  WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
 *  MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
 *  See the License for the specific provisions governing your rights and
 *  obligations concerning the Software.
 *
 *  The Initial Developer of the Original Code is: Sun Microsystems, Inc.
 *
 *  Copyright: 2000 by Sun Microsystems, Inc.
 *
 *  All Rights Reserved.
 *
 *  Contributor(s): _______________________________________
 *
 *
 ************************************************************************/

/**************************************************************************
                                TODO
 **************************************************************************

 *************************************************************************/

#ifndef _VOS_DIAGNOSE_HXX_
#include <vos/diagnose.hxx>
#endif
#ifndef _UCBHELPER_CONTENTIDENTIFIER_HXX
#include <ucbhelper/contentidentifier.hxx>
#endif

#ifndef _PROVIDER_HXX
#include <provider/provider.hxx>
#endif
#ifndef _CONTENT_HXX
#include <provider/content.hxx>
#endif

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

using namespace chelp;

//=========================================================================
//=========================================================================
//
// ContentProvider Implementation.
//
//=========================================================================
//=========================================================================

ContentProvider::ContentProvider( const Reference< XMultiServiceFactory >& rSMgr )
    : ::ucb::ContentProviderImplHelper( rSMgr ),
             isInitialized( false ),
             m_aScheme( OUString::createFromAscii( MYUCP_URL_SCHEME ) )
{
}

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

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

XINTERFACE_IMPL_3( ContentProvider,
                   XTypeProvider,
                   XServiceInfo,
                   XContentProvider );

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

XTYPEPROVIDER_IMPL_3( ContentProvider,
                         XTypeProvider,
                         XServiceInfo,
                         XContentProvider );

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

XSERVICEINFO_IMPL_1( ContentProvider,
                     OUString::createFromAscii(
                             "CHelpContentProvider" ),
                     OUString::createFromAscii(
                             MYUCP_CONTENT_PROVIDER_SERVICE_NAME ) );

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

ONE_INSTANCE_SERVICE_FACTORY_IMPL( ContentProvider );

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

// virtual
Reference< XContent > SAL_CALL ContentProvider::queryContent( const Reference< XContentIdentifier >& xCanonicId )
    throw( IllegalIdentifierException, RuntimeException )
{
    if ( ! xCanonicId->getContentProviderScheme().equalsIgnoreCase( m_aScheme ) )
    {   // Wrong URL-scheme
        throw IllegalIdentifierException();
    }

    if( ! isInitialized )
        init();

    // Check, if a content with given id already exists...
    Reference< XContent > xContent
        = queryExistingContent( xCanonicId ).getBodyPtr();
    if ( xContent.is() )
        return xContent;

    xContent = new Content( m_xSMgr,this,xCanonicId );

    // Further checks

    if ( !xContent->getIdentifier().is() )
        throw IllegalIdentifierException();

    return xContent;
}



void ContentProvider::init()
{
    //t
    // Get installation path, for example

    isInitialized = true;
}