globalexceptionhandler.java

java的异常api,说明了里边的所有异常

/*
 * Created on Aug 9, 2004
 *
 * TODO To change the template for this generated file go to
 * Window - Preferences - Java - Code Style - Code Templates
 */
package com.nscorp.struts_class.handler;

import org.apache.struts.action.ExceptionHandler;
import org.apache.struts.action.*;
import org.apache.struts.config.*;
import javax.servlet.http.*;
import javax.servlet.*;
import com.nscorp.struts_class.form.*;
import org.apache.struts.*;

/**
 * @author pk47r
 *
 * TODO To change the template for this generated type comment go to
 * Window - Preferences - Java - Code Style - Code Templates
 */
public class GlobalExceptionHandler extends ExceptionHandler {
    public ActionForward execute(java.lang.Exception ex,
            ExceptionConfig ae,
            ActionMapping mapping,
            ActionForm form,
            HttpServletRequest request,
            HttpServletResponse response)
   {
        ErrorFormBean efB = new ErrorFormBean();
        efB.setMessage(ex.toString());

        ActionErrors errors = new ActionErrors();
        errors.add(ActionErrors.GLOBAL_ERROR,
        new ActionError("REALLY.BIG.BOO.BOO"));
        // saveErrors(request,errors);
        HttpSession sC = request.getSession();
        request.setAttribute(Globals.ERROR_KEY, errors);

        sC.setAttribute("errorBean", efB);

        return (mapping.findForward("Error"));
   }
}