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SPR-8001 Recognize case when MultipartRequest is null and argument is of type MultipartFile and raise helpful exception.

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git-svn-id: https://src.springframework.org/svn/spring-framework/trunk@4714 50f2f4bb-b051-0410-bef5-90022cba6387
This commit is contained in:
Rossen Stoyanchev
2011-07-18 13:49:47 +00:00
parent 89d7bf8dab
commit f05fbf3ec2
3 changed files with 115 additions and 51 deletions
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org.springframework.web.servlet/src/main/java/org/springframework/web/servlet/mvc/method/annotation/support/RequestPartMethodArgumentResolver.java
+15 -13
View File
@@ -136,7 +136,10 @@ public class RequestPartMethodArgumentResolver extends AbstractMessageConverterM
}
}
checkMissingRequiredValue(arg, partName, parameter);
if (arg == null) {
handleMissingValue(partName, parameter);
}
return arg;
}
@@ -170,19 +173,18 @@ public class RequestPartMethodArgumentResolver extends AbstractMessageConverterM
}
/**
* Raises a {@link ServletRequestBindingException} if the method parameter is required
* and the resolved argument value is null.
* Invoked if the resolved argument value is {@code null}. The default implementation raises
* a {@link ServletRequestBindingException} if the method parameter is required.
* @param partName the name used to look up the request part
* @param param the method argument
*/
protected void checkMissingRequiredValue(Object argumentValue, String partName, MethodParameter parameter)
throws ServletRequestBindingException {
if (argumentValue == null) {
RequestPart annot = parameter.getParameterAnnotation(RequestPart.class);
boolean isRequired = (annot != null) ? annot.required() : true;
if (isRequired) {
String paramType = parameter.getParameterType().getName();
throw new ServletRequestBindingException(
"Missing request part '" + partName + "' for method parameter type [" + paramType + "]");
}
protected void handleMissingValue(String partName, MethodParameter param) throws ServletRequestBindingException {
RequestPart annot = param.getParameterAnnotation(RequestPart.class);
boolean isRequired = (annot != null) ? annot.required() : true;
if (isRequired) {
String paramType = param.getParameterType().getName();
throw new ServletRequestBindingException(
"Missing request part '" + partName + "' for method parameter type [" + paramType + "]");
}
}