package xin.glue.user.common;

import java.io.FileNotFoundException;
import java.io.IOException;
import jxl.write.WriteException;
import com.posdata.glue.PosException;
import com.posdata.glue.biz.activity.PosActivity;
import com.posdata.glue.biz.constants.PosBizControlConstants;
import com.posdata.glue.context.PosContext;
import com.posdata.glue.dao.PosDaoException;

/**
 * 
 * @Description  错误管理
 * @author       梅贵平{meiguiping}
 * @date         2008-10-29 下午05:49:51
 * @JDK Version  jdk1.4.2
 */
public class PosErrorHandler extends PosActivity
{
	public String runActivity(PosContext context)
	{
		Throwable th = context.getException();
		/*PosMessage errorMessage = context.getMessage();
		String message = "";
		if(errorMessage != null)
		{
			message = (String)errorMessage.get("errorMsg");
		}
		
		if("".equals(message))
		{
			message = "发生未知异常，请咨询管理者";
		}*/
		String msg = (String)context.get("errorMsg");
		String message = "发生未知异常，请咨询管理者";
		
		if(msg != null && !"".equals(msg))
		{
			message = msg;
		}
		if (th != null)
		{
			if (th instanceof PosDaoException)
			{
				message = "DB处理中发生了错误，请咨询管理者";
			}
			else if (th instanceof PosException)
			{
				message = "系统发生了错误，请咨询管理者";
			}
			else if (th instanceof FileNotFoundException)
			{
				message = "创建文件时发生了错误，请咨询管理者。\r\n一般原因是：\r\n(1)文件名命名不规范\r\n(2)文件路径不正确\r\n(3)文件正在被使用";
				message = message.replaceAll ( "\r", "" ); 
				message = message.replaceAll ( "\n", "\\"+System.getProperty("line.separator"));
			}
			else if (th instanceof IOException)
			{
				message = "读写文件时发生了错误，请咨询管理者";
			}
			else if (th instanceof WriteException)
			{
				message = "导出EXCEL时发生了错误，请咨询管理者";
			}
		}
		//new Exception("ddd");
		context.setException(new PosException(message)); 
		
		this.rollbackTransaction("tx1");
		return PosBizControlConstants.SUCCESS;
	}

}