// This Source Code is in the Public Domain per: http://unlicense.org
package org.litesoft.reports;

import java.util.*;

import org.litesoft.uispecification.*;

public interface ServerReportFactory
{
    public ViewDef getViewDef();

    public ServerReport create( UriFragmentIdParams pUriFragmentIdParams );

    public class Registry
    {
        private static Map<String, ServerReportFactory> FACTORIES = new HashMap<String, ServerReportFactory>();

        public static synchronized void register( ServerReportFactory pFactory )
        {
            String zReportID = pFactory.getViewDef().getFragmentID();
            if ( null != FACTORIES.put( zReportID, pFactory ) )
            {
                throw new Error( "Duplicate Report Factory for: " + zReportID );
            }
        }

        public static synchronized ServerReportFactory getFactory( String pReportID )
        {
            return FACTORIES.get( pReportID );
        }
    }
}