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package com.sun.grizzly;

/**
 * This class helps users to create a proper SelectorHandler which corresponds to its protocol and reusableness.
 *
 * Currently, it supports only default Role of SelectorHandler.
 *
 * @author Bongjae Chang
 */
public class SelectorHandlerFactory {

    /**
     * return an instance of {@link SelectorHandler}, which corresponds to the protocol and reusable
     *
     * @param protocol a {@link com.sun.grizzly.Controller.Protocol}
     * @param reusable if true, the server-side channel is reused
     * @return a proper instance of {@link SelectorHandler}
     */
    public static SelectorHandler createSelectorHandler( Controller.Protocol protocol, boolean reusable ) {
        SelectorHandler selectorHandler = null;
        if( Controller.Protocol.TCP == protocol ) {
            if( reusable )
                selectorHandler = new ReusableTCPSelectorHandler();
            else
                selectorHandler = new TCPSelectorHandler();
        } else if ( Controller.Protocol.UDP == protocol ) {
            if( reusable )
                selectorHandler = new ReusableUDPSelectorHandler();
            else
                selectorHandler = new UDPSelectorHandler();
        } else if( Controller.Protocol.TLS == protocol ) {
            if( reusable )
                selectorHandler = new SSLSelectorHandler(); // not supported yet
            else
                selectorHandler = new SSLSelectorHandler();
        } else {
            // default
            selectorHandler = new TCPSelectorHandler();
        }
        return selectorHandler;
    }
}