/**
* 打印支持JSONP格式的结果
*
* @param response
* @param restRequest
* @param restResponse
* @throws java.io.IOException
*/
public static void printJsonForJsonp(
HttpServletResponse response, RestRequest restRequest, RestResponse restResponse)
throws IOException {
PrintWriter out = response.getWriter();
String jsonString = JSON.toJSONString(restResponse);
response.setContentType("text/javascript; charset=UTF-8");
out.print(restRequest.getCallback() + "(" + jsonString + ")");
}
public static void handleException(RestRequest request, RestResponse response, Throwable ex) {
Throwable rootCause = ExceptionUtils.getRootCause(ex);
rootCause = rootCause == null ? ex : rootCause;
logger.error("捕获到Rest异常：request={}", request, rootCause);
RestError restError = new RestError();
restError.setErrorCode(2);
if (ex instanceof RestServiceException) {
RestServiceException rse = (RestServiceException) ex;
if (rse.getErrorCode() != 0) {
restError.setErrorCode(rse.getErrorCode());
}
restError.setErrorInfo(rse.getMessage());
} else {
restError.setErrorInfo(RestApiConstants.DEFAULT_ERROR_INFO);
if (request.isDebug()) {
String stackTrace = ExceptionUtils.getStackTrace(rootCause);
// 截取有用的部分
stackTrace = StringUtils.substringBefore(stackTrace, RestApiConstants.STACK_TRACE_BEFORE);
response.setDebugInfo(stackTrace);
}
// 统计响应结果
recordToErrorCounter(request.getCmd());
}
response.setStatusCode(500);
response.setError(restError);
response.setResponseTime(new Date());
}