tokeninterceptor.java

来自「struts 2 核心包 的源码 有错误是难免的」· Java 代码 · 共 61 行

// 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:   TokenInterceptor.java

package org.apache.struts2.interceptor;

import com.opensymphony.xwork2.*;
import com.opensymphony.xwork2.interceptor.MethodFilterInterceptor;
import com.opensymphony.xwork2.util.LocalizedTextUtil;
import org.apache.commons.logging.Log;
import org.apache.struts2.util.TokenHelper;

public class TokenInterceptor extends MethodFilterInterceptor
{

	private static final long serialVersionUID = 0xa348b21a6fbce95eL;
	public static final String INVALID_TOKEN_CODE = "invalid.token";

	public TokenInterceptor()
	{
	}

	protected String doIntercept(ActionInvocation invocation)
		throws Exception
	{
		if (log.isDebugEnabled())
			log.debug("Intercepting invocation to check for valid transaction token.");
		java.util.Map session = ActionContext.getContext().getSession();
		java.util.Map map = session;
		JVM INSTR monitorenter ;
		if (!TokenHelper.validToken())
			return handleInvalidToken(invocation);
		handleValidToken(invocation);
		map;
		JVM INSTR monitorexit ;
		return;
		Exception exception;
		exception;
		throw exception;
	}

	protected String handleInvalidToken(ActionInvocation invocation)
		throws Exception
	{
		Object action = invocation.getAction();
		String errorMessage = LocalizedTextUtil.findText(getClass(), "struts.messages.invalid.token", invocation.getInvocationContext().getLocale(), "The form has already been processed or no token was supplied, please try again.", new Object[0]);
		if (action instanceof ValidationAware)
			((ValidationAware)action).addActionError(errorMessage);
		else
			log.warn(errorMessage);
		return "invalid.token";
	}

	protected String handleValidToken(ActionInvocation invocation)
		throws Exception
	{
		return invocation.invoke();
	}
}