actioncontextcleanup.java

struts 2 核心包 的源码 有错误是难免的

// Decompiled by Jad v1.5.8e2. Copyright 2001 Pavel Kouznetsov.
// Jad home page: http://kpdus.tripod.com/jad.html
// Decompiler options: packimports(3) fieldsfirst ansi space 
// Source File Name:   ActionContextCleanUp.java

package org.apache.struts2.dispatcher;

import com.opensymphony.xwork2.ActionContext;
import com.opensymphony.xwork2.util.profiling.UtilTimerStack;
import java.io.IOException;
import javax.servlet.*;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

// Referenced classes of package org.apache.struts2.dispatcher:
//			Dispatcher

public class ActionContextCleanUp
	implements Filter
{

	private static final Log LOG = LogFactory.getLog(org/apache/struts2/dispatcher/ActionContextCleanUp);
	private static final String COUNTER = "__cleanup_recursion_counter";

	public ActionContextCleanUp()
	{
	}

	public void doFilter(ServletRequest req, ServletResponse res, FilterChain chain)
		throws IOException, ServletException
	{
		HttpServletRequest request;
		HttpServletResponse response;
		String timerKey;
		request = (HttpServletRequest)req;
		response = (HttpServletResponse)res;
		timerKey = "ActionContextCleanUp_doFilter: ";
		UtilTimerStack.push(timerKey);
		Integer count = (Integer)request.getAttribute("__cleanup_recursion_counter");
		if (count == null)
			count = new Integer(1);
		else
			count = new Integer(count.intValue() + 1);
		request.setAttribute("__cleanup_recursion_counter", count);
		chain.doFilter(request, response);
		int counterVal = ((Integer)request.getAttribute("__cleanup_recursion_counter")).intValue();
		counterVal--;
		request.setAttribute("__cleanup_recursion_counter", new Integer(counterVal));
		cleanUp(request);
		break MISSING_BLOCK_LABEL_184;
		Exception exception;
		exception;
		int counterVal = ((Integer)request.getAttribute("__cleanup_recursion_counter")).intValue();
		counterVal--;
		request.setAttribute("__cleanup_recursion_counter", new Integer(counterVal));
		cleanUp(request);
		throw exception;
		UtilTimerStack.pop(timerKey);
		break MISSING_BLOCK_LABEL_202;
		Exception exception1;
		exception1;
		UtilTimerStack.pop(timerKey);
		throw exception1;
	}

	protected static void cleanUp(ServletRequest req)
	{
		Integer count = (Integer)req.getAttribute("__cleanup_recursion_counter");
		if (count != null && count.intValue() > 0)
		{
			if (LOG.isDebugEnabled())
				LOG.debug((new StringBuilder()).append("skipping cleanup counter=").append(count).toString());
			return;
		} else
		{
			ActionContext.setContext(null);
			Dispatcher.setInstance(null);
			return;
		}
	}

	public void destroy()
	{
	}

	public void init(FilterConfig filterconfig)
		throws ServletException
	{
	}

}