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package com.sun.enterprise.server.ss.spi;

import com.sun.enterprise.server.PELaunch;
/**
 * This utility class houses methods to get ASSocketServiceFacade
 * @author Sivakumar Thyagarajan, Binod PG
 * @since SJSAS 9.0
 */ 
public class ASSocketFacadeUtils {
    private static ASSocketServiceFacade _instance = null;
    
    public static ASSocketServiceFacade getASSocketService() {
        try {
            if(_instance == null) {
                String proxyClassName = "com.sun.enterprise.server.ss.ASSocketServiceProxy";
                Class socketServiceProxy = null;
                /* If the new classloader hierachy is switched on, use appserver-chain to load
                   the class */
                if(Boolean.getBoolean(PELaunch.USE_NEW_CLASSLOADER_PROPERTY)) {
                    socketServiceProxy = PELaunch.getAppServerChain().loadClass(proxyClassName);
                } else {
                    socketServiceProxy = ASSocketFacadeUtils.class.getClassLoader().loadClass(proxyClassName);
                }
                _instance = (ASSocketServiceFacade)socketServiceProxy.newInstance();
            }
            return _instance;
        } catch (Exception e) {
            RuntimeException rte = new RuntimeException(e.getMessage());
            rte.initCause(e);
            throw rte;
        }
    }
}