// $Header:
// /cvsroot/deegree/src/org/deegree/ogcwebservices/wcs/WCSServiceFactory.java,v
// 1.4 2004/06/18 15:50:30 tf Exp $
/*----------------    FILE HEADER  ------------------------------------------

 This file is part of deegree.
 Copyright (C) 2001-2006 by:
 EXSE, Department of Geography, University of Bonn
 http://www.giub.uni-bonn.de/deegree/
 lat/lon GmbH
 http://www.lat-lon.de

 This library is free software; you can redistribute it and/or
 modify it under the terms of the GNU Lesser General Public
 License as published by the Free Software Foundation; either
 version 2.1 of the License, or (at your option) any later version.

 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

 Contact:

 Andreas Poth
 lat/lon GmbH
 Aennchenstr. 19
 53115 Bonn
 Germany
 E-Mail: poth@lat-lon.de

 Prof. Dr. Klaus Greve
 Department of Geography
 University of Bonn
 Meckenheimer Allee 166
 53115 Bonn
 Germany
 E-Mail: greve@giub.uni-bonn.de

 
 ---------------------------------------------------------------------------*/
package org.deegree.ogcwebservices.wmps;

import java.net.URL;

import org.deegree.framework.log.ILogger;
import org.deegree.framework.log.LoggerFactory;
import org.deegree.ogcwebservices.wcs.configuration.InvalidConfigurationException;
import org.deegree.ogcwebservices.wmps.configuration.WMPSConfiguration;
import org.deegree.ogcwebservices.wmps.configuration.WMPSConfigurationDocument;

/**
 * Service Factory class handles the WMPService Instance.
 * 
 * @author <a href="mailto:deshmukh@lat-lon.de">Anup Deshmukh</a>
 * @version 2.0
 */
public final class WMPServiceFactory {

    private static final ILogger LOG = LoggerFactory.getLogger( WMPServiceFactory.class );

    private static WMPSConfiguration CONFIG;

    /**
     * Returns a WMPService instance
     * 
     * @return WMPService
     */
    public static WMPService getService() {
        return WMPServiceFactory.getInstance( CONFIG );
    }

    /**
     * Returns a WMPService instance
     * 
     * @param config
     * @return WMPService
     */
    public static WMPService getInstance( WMPSConfiguration config ) {
        return new WMPService( config );
    }

    /**
     * Returns true/false depending on the initialized state of the instance.
     * 
     * @return boolean
     */
    public static boolean isInitialized() {
        return CONFIG != null;
    }

    /**
     * Sets the WMPSConfiguration
     * 
     * @param wmpsConfiguration
     */
    public static void setConfiguration( WMPSConfiguration wmpsConfiguration ) {
        CONFIG = wmpsConfiguration;
        /**
         * if service instance are already created destroy all instances create new service
         * instances and put in pool
         */
        LOG.logInfo( CONFIG.getServiceIdentification().getTitle() + " (" + CONFIG.getVersion()
                     + ") service pool initialized." );
    }

    /**
     * Sets the service configuration
     * 
     * @param serviceConfigurationUrl
     * @throws InvalidConfigurationException
     */
    public static void setConfiguration( URL serviceConfigurationUrl )
                            throws InvalidConfigurationException {

        try {
            WMPSConfigurationDocument doc = new WMPSConfigurationDocument();
            doc.load( serviceConfigurationUrl );
            WMPSConfiguration conf = doc.parseConfiguration();
            WMPServiceFactory.setConfiguration( conf );
        } catch ( Exception e ) {
            e.printStackTrace();
            throw new InvalidConfigurationException( "WPSServiceFactory", e.getMessage() );
        }
    }
}
/***************************************************************************************************
 * Changes to this class. What the people have been up to: $Log: WMPServiceFactory.java,v $
 * Changes to this class. What the people have been up to: Revision 1.13  2006/08/29 19:54:14  poth
 * Changes to this class. What the people have been up to: footer corrected
 * Changes to this class. What the people have been up to:
 * Changes to this class. What the people have been up to: Revision 1.12  2006/08/10 07:11:35  deshmukh
 * Changes to this class. What the people have been up to: WMPS has been modified to support the new configuration changes and the excess code not needed has been replaced.
 * Changes to this class. What the people have been up to: Revision 1.11 2006/06/07 12:37:51
 * deshmukh Reset the changes made to the WMPS.
 * 
 * Revision 1.9 2006/05/17 12:21:01 poth isInitialized method added to enable validation if Factory
 * has allready been initialized
 * 
 * 
 **************************************************************************************************/