Polishing

This commit is contained in:
Juergen Hoeller
2018-05-05 16:36:52 +02:00
parent 193c289080
commit c99a104919
9 changed files with 85 additions and 77 deletions

View File

@@ -1,5 +1,5 @@
/*
* Copyright 2002-2015 the original author or authors.
* Copyright 2002-2018 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -44,8 +44,8 @@ public interface HandlerExceptionResolver {
* @param handler the executed handler, or {@code null} if none chosen at the
* time of the exception (for example, if multipart resolution failed)
* @param ex the exception that got thrown during handler execution
* @return a corresponding {@code ModelAndView} to forward to, or {@code null}
* for default processing
* @return a corresponding {@code ModelAndView} to forward to,
* or {@code null} for default processing in the resolution chain
*/
ModelAndView resolveException(
HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex);

View File

@@ -1,5 +1,5 @@
/*
* Copyright 2002-2016 the original author or authors.
* Copyright 2002-2018 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -17,7 +17,6 @@
package org.springframework.web.servlet.handler;
import java.util.Set;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
@@ -125,8 +124,8 @@ public abstract class AbstractHandlerExceptionResolver implements HandlerExcepti
* to the {@link #doResolveException} template method.
*/
@Override
public ModelAndView resolveException(HttpServletRequest request, HttpServletResponse response,
Object handler, Exception ex) {
public ModelAndView resolveException(
HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) {
if (shouldApplyTo(request, handler)) {
if (this.logger.isDebugEnabled()) {
@@ -237,9 +236,10 @@ public abstract class AbstractHandlerExceptionResolver implements HandlerExcepti
* @param handler the executed handler, or {@code null} if none chosen at the time
* of the exception (for example, if multipart resolution failed)
* @param ex the exception that got thrown during handler execution
* @return a corresponding {@code ModelAndView} to forward to, or {@code null} for default processing
* @return a corresponding {@code ModelAndView} to forward to,
* or {@code null} for default processing in the resolution chain
*/
protected abstract ModelAndView doResolveException(HttpServletRequest request,
HttpServletResponse response, Object handler, Exception ex);
protected abstract ModelAndView doResolveException(
HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex);
}

View File

@@ -1,5 +1,5 @@
/*
* Copyright 2002-2016 the original author or authors.
* Copyright 2002-2018 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -170,11 +170,12 @@ public class SimpleMappingExceptionResolver extends AbstractHandlerExceptionReso
* @param handler the executed handler, or {@code null} if none chosen at the time
* of the exception (for example, if multipart resolution failed)
* @param ex the exception that got thrown during handler execution
* @return a corresponding ModelAndView to forward to, or {@code null} for default processing
* @return a corresponding {@code ModelAndView} to forward to,
* or {@code null} for default processing in the resolution chain
*/
@Override
protected ModelAndView doResolveException(HttpServletRequest request, HttpServletResponse response,
Object handler, Exception ex) {
protected ModelAndView doResolveException(
HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) {
// Expose ModelAndView for chosen error view.
String viewName = determineViewName(ex, request);

View File

@@ -1,5 +1,5 @@
/*
* Copyright 2002-2017 the original author or authors.
* Copyright 2002-2018 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -59,16 +59,16 @@ public class ResponseStatusExceptionResolver extends AbstractHandlerExceptionRes
@Override
protected ModelAndView doResolveException(HttpServletRequest request, HttpServletResponse response,
Object handler, Exception ex) {
protected ModelAndView doResolveException(
HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) {
ResponseStatus responseStatus = AnnotatedElementUtils.findMergedAnnotation(ex.getClass(), ResponseStatus.class);
if (responseStatus != null) {
ResponseStatus status = AnnotatedElementUtils.findMergedAnnotation(ex.getClass(), ResponseStatus.class);
if (status != null) {
try {
return resolveResponseStatus(responseStatus, request, response, handler, ex);
return resolveResponseStatus(status, request, response, handler, ex);
}
catch (Exception resolveEx) {
logger.warn("Handling of @ResponseStatus resulted in Exception", resolveEx);
logger.warn("ResponseStatus handling resulted in exception", resolveEx);
}
}
else if (ex.getCause() instanceof Exception) {
@@ -79,7 +79,7 @@ public class ResponseStatusExceptionResolver extends AbstractHandlerExceptionRes
}
/**
* Template method that handles {@link ResponseStatus @ResponseStatus} annotation.
* Template method that handles the {@link ResponseStatus @ResponseStatus} annotation.
* <p>The default implementation sends a response error using
* {@link HttpServletResponse#sendError(int)} or
* {@link HttpServletResponse#sendError(int, String)} if the annotation has a
@@ -88,11 +88,9 @@ public class ResponseStatusExceptionResolver extends AbstractHandlerExceptionRes
* @param request current HTTP request
* @param response current HTTP response
* @param handler the executed handler, or {@code null} if none chosen at the
* time of the exception (for example, if multipart resolution failed)
* @param ex the exception that got thrown during handler execution or the
* exception that has the ResponseStatus annotation if found on the cause.
* @return a corresponding ModelAndView to forward to, or {@code null}
* for default processing
* time of the exception, e.g. if multipart resolution failed
* @param ex the exception
* @return an empty ModelAndView, i.e. exception resolved
*/
protected ModelAndView resolveResponseStatus(ResponseStatus responseStatus, HttpServletRequest request,
HttpServletResponse response, Object handler, Exception ex) throws Exception {

View File

@@ -1,5 +1,5 @@
/*
* Copyright 2002-2015 the original author or authors.
* Copyright 2002-2018 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -52,9 +52,9 @@ import org.springframework.web.servlet.NoHandlerFoundException;
import org.springframework.web.servlet.handler.AbstractHandlerExceptionResolver;
/**
* Default implementation of the {@link org.springframework.web.servlet.HandlerExceptionResolver
* HandlerExceptionResolver} interface that resolves standard Spring exceptions and translates
* them to corresponding HTTP status codes.
* The default implementation of the {@link org.springframework.web.servlet.HandlerExceptionResolver}
* interface, resolving standard Spring MVC exceptions and translating them to corresponding
* HTTP status codes.
*
* <p>This exception resolver is enabled by default in the common Spring
* {@link org.springframework.web.servlet.DispatcherServlet}.
@@ -102,63 +102,69 @@ public class DefaultHandlerExceptionResolver extends AbstractHandlerExceptionRes
@Override
@SuppressWarnings("deprecation")
protected ModelAndView doResolveException(HttpServletRequest request, HttpServletResponse response,
Object handler, Exception ex) {
protected ModelAndView doResolveException(
HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) {
try {
if (ex instanceof org.springframework.web.servlet.mvc.multiaction.NoSuchRequestHandlingMethodException) {
return handleNoSuchRequestHandlingMethod((org.springframework.web.servlet.mvc.multiaction.NoSuchRequestHandlingMethodException) ex,
return handleNoSuchRequestHandlingMethod(
(org.springframework.web.servlet.mvc.multiaction.NoSuchRequestHandlingMethodException) ex,
request, response, handler);
}
else if (ex instanceof HttpRequestMethodNotSupportedException) {
return handleHttpRequestMethodNotSupported((HttpRequestMethodNotSupportedException) ex, request,
response, handler);
return handleHttpRequestMethodNotSupported(
(HttpRequestMethodNotSupportedException) ex, request, response, handler);
}
else if (ex instanceof HttpMediaTypeNotSupportedException) {
return handleHttpMediaTypeNotSupported((HttpMediaTypeNotSupportedException) ex, request, response,
handler);
return handleHttpMediaTypeNotSupported(
(HttpMediaTypeNotSupportedException) ex, request, response, handler);
}
else if (ex instanceof HttpMediaTypeNotAcceptableException) {
return handleHttpMediaTypeNotAcceptable((HttpMediaTypeNotAcceptableException) ex, request, response,
handler);
return handleHttpMediaTypeNotAcceptable(
(HttpMediaTypeNotAcceptableException) ex, request, response, handler);
}
else if (ex instanceof MissingPathVariableException) {
return handleMissingPathVariable((MissingPathVariableException) ex, request,
response, handler);
return handleMissingPathVariable(
(MissingPathVariableException) ex, request, response, handler);
}
else if (ex instanceof MissingServletRequestParameterException) {
return handleMissingServletRequestParameter((MissingServletRequestParameterException) ex, request,
response, handler);
return handleMissingServletRequestParameter(
(MissingServletRequestParameterException) ex, request, response, handler);
}
else if (ex instanceof ServletRequestBindingException) {
return handleServletRequestBindingException((ServletRequestBindingException) ex, request, response,
handler);
return handleServletRequestBindingException(
(ServletRequestBindingException) ex, request, response, handler);
}
else if (ex instanceof ConversionNotSupportedException) {
return handleConversionNotSupported((ConversionNotSupportedException) ex, request, response, handler);
return handleConversionNotSupported(
(ConversionNotSupportedException) ex, request, response, handler);
}
else if (ex instanceof TypeMismatchException) {
return handleTypeMismatch((TypeMismatchException) ex, request, response, handler);
return handleTypeMismatch(
(TypeMismatchException) ex, request, response, handler);
}
else if (ex instanceof HttpMessageNotReadableException) {
return handleHttpMessageNotReadable((HttpMessageNotReadableException) ex, request, response, handler);
return handleHttpMessageNotReadable(
(HttpMessageNotReadableException) ex, request, response, handler);
}
else if (ex instanceof HttpMessageNotWritableException) {
return handleHttpMessageNotWritable((HttpMessageNotWritableException) ex, request, response, handler);
return handleHttpMessageNotWritable(
(HttpMessageNotWritableException) ex, request, response, handler);
}
else if (ex instanceof MethodArgumentNotValidException) {
return handleMethodArgumentNotValidException((MethodArgumentNotValidException) ex, request, response,
handler);
return handleMethodArgumentNotValidException(
(MethodArgumentNotValidException) ex, request, response, handler);
}
else if (ex instanceof MissingServletRequestPartException) {
return handleMissingServletRequestPartException((MissingServletRequestPartException) ex, request,
response, handler);
return handleMissingServletRequestPartException(
(MissingServletRequestPartException) ex, request, response, handler);
}
else if (ex instanceof BindException) {
return handleBindException((BindException) ex, request, response, handler);
}
else if (ex instanceof NoHandlerFoundException) {
return handleNoHandlerFoundException((NoHandlerFoundException) ex, request, response, handler);
return handleNoHandlerFoundException(
(NoHandlerFoundException) ex, request, response, handler);
}
else if (ex instanceof AsyncRequestTimeoutException) {
return handleAsyncRequestTimeoutException(
@@ -167,7 +173,7 @@ public class DefaultHandlerExceptionResolver extends AbstractHandlerExceptionRes
}
catch (Exception handlerException) {
if (logger.isWarnEnabled()) {
logger.warn("Handling of [" + ex.getClass().getName() + "] resulted in Exception", handlerException);
logger.warn("Handling of [" + ex.getClass().getName() + "] resulted in exception", handlerException);
}
}
return null;
@@ -507,7 +513,6 @@ public class DefaultHandlerExceptionResolver extends AbstractHandlerExceptionRes
return new ModelAndView();
}
/**
* Invoked to send a server error. Sets the status to 500 and also sets the
* request attribute "javax.servlet.error.exception" to the Exception.
@@ -515,7 +520,6 @@ public class DefaultHandlerExceptionResolver extends AbstractHandlerExceptionRes
protected void sendServerError(Exception ex, HttpServletRequest request, HttpServletResponse response)
throws IOException {
request.setAttribute("javax.servlet.error.exception", ex);
response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
}