SessionClosedHandler.java

package com.farsunset.ichat.cim.handler;

import org.apache.log4j.Logger;

import com.farsunset.ichat.common.util.ContextHolder;
import com.farsunset.ichat.nio.constant.CIMConstant;
import com.farsunset.ichat.nio.handler.CIMRequestHandler;
import com.farsunset.ichat.nio.mutual.ReplyBody;
import com.farsunset.ichat.nio.mutual.SentBody;
import com.farsunset.ichat.nio.session.CIMSession;
import com.farsunset.ichat.nio.session.DefaultSessionManager;

/**
 * 断开连接，清除session
 * 
 * @author
 */
public class SessionClosedHandler implements CIMRequestHandler {

	protected final Logger logger = Logger
			.getLogger(SessionClosedHandler.class);

	public ReplyBody process(CIMSession ios, SentBody message) {

		DefaultSessionManager sessionManager = ((DefaultSessionManager) ContextHolder
				.getBean("defaultSessionManager"));

		if (ios.getAttribute(CIMConstant.SESSION_KEY) == null) {
			return null;
		}

		String account = ios.getAttribute(CIMConstant.SESSION_KEY).toString();
		sessionManager.removeSession(account);

		return null;
	}

}