cookieinterceptor.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:   CookieInterceptor.java

package org.apache.struts2.interceptor;

import com.opensymphony.xwork2.ActionContext;
import com.opensymphony.xwork2.ActionInvocation;
import com.opensymphony.xwork2.interceptor.AbstractInterceptor;
import com.opensymphony.xwork2.util.TextParseUtil;
import com.opensymphony.xwork2.util.ValueStack;
import java.util.*;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.struts2.ServletActionContext;

// Referenced classes of package org.apache.struts2.interceptor:
//			CookiesAware

public class CookieInterceptor extends AbstractInterceptor
{

	private static final long serialVersionUID = 0x39a2ed09d982fc29L;
	private static final Log LOG = LogFactory.getLog(org/apache/struts2/interceptor/CookieInterceptor);
	private Set cookiesNameSet;
	private Set cookiesValueSet;

	public CookieInterceptor()
	{
		cookiesNameSet = Collections.EMPTY_SET;
		cookiesValueSet = Collections.EMPTY_SET;
	}

	public void setCookiesName(String cookiesName)
	{
		if (cookiesName != null)
			cookiesNameSet = TextParseUtil.commaDelimitedStringToSet(cookiesName);
	}

	public void setCookiesValue(String cookiesValue)
	{
		if (cookiesValue != null)
			cookiesValueSet = TextParseUtil.commaDelimitedStringToSet(cookiesValue);
	}

	public String intercept(ActionInvocation invocation)
		throws Exception
	{
		if (LOG.isDebugEnabled())
			LOG.debug("start interception");
		ValueStack stack = ActionContext.getContext().getValueStack();
		HttpServletRequest request = ServletActionContext.getRequest();
		Map cookiesMap = new LinkedHashMap();
		Cookie cookies[] = request.getCookies();
		if (cookies != null)
		{
			for (int a = 0; a < cookies.length; a++)
			{
				String name = cookies[a].getName();
				String value = cookies[a].getValue();
				if (cookiesNameSet.contains("*"))
				{
					if (LOG.isDebugEnabled())
						LOG.debug((new StringBuilder()).append("contains cookie name [*] in configured cookies name set, cookie with name [").append(name).append("] with value [").append(value).append("] will be injected").toString());
					populateCookieValueIntoStack(name, value, cookiesMap, stack);
					continue;
				}
				if (cookiesNameSet.contains(cookies[a].getName()))
					populateCookieValueIntoStack(name, value, cookiesMap, stack);
			}

		}
		injectIntoCookiesAwareAction(invocation.getAction(), cookiesMap);
		return invocation.invoke();
	}

	protected void populateCookieValueIntoStack(String cookieName, String cookieValue, Map cookiesMap, ValueStack stack)
	{
		if (cookiesValueSet.isEmpty() || cookiesValueSet.contains("*"))
		{
			if (LOG.isDebugEnabled())
				if (cookiesValueSet.isEmpty())
					LOG.debug((new StringBuilder()).append("no cookie value is configured, cookie with name [").append(cookieName).append("] with value [").append(cookieValue).append("] will be injected").toString());
				else
				if (cookiesValueSet.contains("*"))
					LOG.debug((new StringBuilder()).append("interceptor is configured to accept any value, cookie with name [").append(cookieName).append("] with value [").append(cookieValue).append("] will be injected").toString());
			cookiesMap.put(cookieName, cookieValue);
			stack.setValue(cookieName, cookieValue);
		} else
		if (cookiesValueSet.contains(cookieValue))
		{
			if (LOG.isDebugEnabled())
				LOG.debug((new StringBuilder()).append("both configured cookie name and value matched, cookie [").append(cookieName).append("] with value [").append(cookieValue).append("] will be injected").toString());
			cookiesMap.put(cookieName, cookieValue);
			stack.setValue(cookieName, cookieValue);
		}
	}

	protected void injectIntoCookiesAwareAction(Object action, Map cookiesMap)
	{
		if (action instanceof CookiesAware)
		{
			if (LOG.isDebugEnabled())
				LOG.debug((new StringBuilder()).append("action [").append(action).append("] implements CookiesAware, injecting cookies map [").append(cookiesMap).append("]").toString());
			((CookiesAware)action).setCookiesMap(cookiesMap);
		}
	}

}