httpauthenticationmethods.java

mina是以Java实现的一个开源的网络程序框架

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 *  to you under the Apache License, Version 2.0 (the
 *  "License"); you may not use this file except in compliance
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 *    http://www.apache.org/licenses/LICENSE-2.0
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package org.apache.mina.proxy.handlers.http;

import org.apache.mina.proxy.ProxyAuthException;
import org.apache.mina.proxy.handlers.http.basic.HttpBasicAuthLogicHandler;
import org.apache.mina.proxy.handlers.http.basic.HttpNoAuthLogicHandler;
import org.apache.mina.proxy.handlers.http.digest.HttpDigestAuthLogicHandler;
import org.apache.mina.proxy.handlers.http.ntlm.HttpNTLMAuthLogicHandler;
import org.apache.mina.proxy.session.ProxyIoSession;

/**
 * HttpAuthenticationMethods.java - Enumerates all known http authentication methods.
 * 
 * @author The Apache MINA Project ([e-mail])
 * @version $Rev: 759732 $, $Date: 2009-03-29 19:54:01 +0200 (Sun, 29 Mar 2009) $
 * @since MINA 2.0.0-M3
 */
public enum HttpAuthenticationMethods {

    NO_AUTH(1), BASIC(2), NTLM(3), DIGEST(4);
    
    private final int id;
    
    private HttpAuthenticationMethods(int id) {
    	this.id = id;
    }

    /**
     * Returns the authentication mechanism id.
     * @return the id
     */
    public int getId() {
    	return id;
    }

    /**
     * Creates an {@link AbstractAuthLogicHandler} to handle the authentication mechanism.
     * 
     * @param proxyIoSession the proxy session object
     * @return a new logic handler 
     */
    public AbstractAuthLogicHandler getNewHandler(ProxyIoSession proxyIoSession)
            throws ProxyAuthException {
        switch (this) {
            case BASIC:
                return new HttpBasicAuthLogicHandler(proxyIoSession);
    
            case DIGEST:
                return new HttpDigestAuthLogicHandler(proxyIoSession);
    
            case NTLM:
                return new HttpNTLMAuthLogicHandler(proxyIoSession);
    
            case NO_AUTH:
                return new HttpNoAuthLogicHandler(proxyIoSession);
    
            default:
                return null;
        }
    }
}