httpnoauthlogichandler.java

mina是以Java实现的一个开源的网络程序框架

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 *  Licensed to the Apache Software Foundation (ASF) under one
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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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package org.apache.mina.proxy.handlers.http.basic;

import org.apache.mina.core.filterchain.IoFilter.NextFilter;
import org.apache.mina.proxy.ProxyAuthException;
import org.apache.mina.proxy.handlers.http.AbstractAuthLogicHandler;
import org.apache.mina.proxy.handlers.http.HttpProxyRequest;
import org.apache.mina.proxy.handlers.http.HttpProxyResponse;
import org.apache.mina.proxy.session.ProxyIoSession;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * HttpNoAuthLogicHandler.java - HTTP 'no auth' mechanism logic handler.
 * 
 * @author The Apache MINA Project ([e-mail])
 * @version $Rev: 759663 $, $Date: 2009-03-29 12:46:40 +0200 (Sun, 29 Mar 2009) $
 * @since MINA 2.0.0-M3
 */
public class HttpNoAuthLogicHandler extends AbstractAuthLogicHandler {
    private final static Logger logger = LoggerFactory
            .getLogger(HttpNoAuthLogicHandler.class);

    /**
     * {@inheritDoc}
     */
    public HttpNoAuthLogicHandler(final ProxyIoSession proxyIoSession)
            throws ProxyAuthException {
        super(proxyIoSession);
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void doHandshake(final NextFilter nextFilter)
            throws ProxyAuthException {
        logger.debug(" doHandshake()");

        // Just send the request, no authentication needed
        writeRequest(nextFilter, (HttpProxyRequest) request);
        step++;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void handleResponse(final HttpProxyResponse response)
            throws ProxyAuthException {
        // Should never get here !
        throw new ProxyAuthException("Received error response code ("
                + response.getStatusLine() + ").");
    }
}