custommappingexceptionresolver.java

一个很好的开源项目管理系统源代码

package net.java.workeffort.webapp.support;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import net.java.workeffort.infrastructure.security.AuthorizationException;

import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.handler.SimpleMappingExceptionResolver;

/**
 * This resolver logs exceptions
 * @author Antony Joseph
 */
public class CustomMappingExceptionResolver extends
        SimpleMappingExceptionResolver {
    public ModelAndView resolveException(HttpServletRequest request,
            HttpServletResponse response, Object handler, Exception ex) {

        if (!(ex instanceof InvalidSynchronizerTokenException)) {
            // just create a random error number
            String errorNo = String.valueOf((int) (Math.random() * 1000000));
            logger.error("Error no:" + errorNo, ex);
            request.setAttribute("errorNo", errorNo);

            if (ex instanceof AuthorizationException) {
                request.setAttribute("errorKey", "authorization.exception");
            }
            else {
                request.setAttribute("errorKey", "unrecoverable.exception");
            }
        }
        return super.resolveException(request, response, handler, ex);
    }
}