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This commit is contained in:
Juergen Hoeller
2020-10-12 18:26:14 +02:00
parent 69c330d905
commit 66a67ec807
7 changed files with 39 additions and 40 deletions
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18
spring-web/src/main/java/org/springframework/web/method/annotation/AbstractNamedValueMethodArgumentResolver.java
View File

@@ -1,5 +1,5 @@
/*
* Copyright 2002-2018 the original author or authors.
* Copyright 2002-2020 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.
@@ -99,7 +99,7 @@ public abstract class AbstractNamedValueMethodArgumentResolver implements Handle
NamedValueInfo namedValueInfo = getNamedValueInfo(parameter);
MethodParameter nestedParameter = parameter.nestedIfOptional();
Object resolvedName = resolveStringValue(namedValueInfo.name);
Object resolvedName = resolveEmbeddedValuesAndExpressions(namedValueInfo.name);
if (resolvedName == null) {
throw new IllegalArgumentException(
"Specified name must not resolve to null: [" + namedValueInfo.name + "]");
@@ -108,7 +108,7 @@ public abstract class AbstractNamedValueMethodArgumentResolver implements Handle
Object arg = resolveName(resolvedName.toString(), nestedParameter, webRequest);
if (arg == null) {
if (namedValueInfo.defaultValue != null) {
arg = resolveStringValue(namedValueInfo.defaultValue);
arg = resolveEmbeddedValuesAndExpressions(namedValueInfo.defaultValue);
}
else if (namedValueInfo.required && !nestedParameter.isOptional()) {
handleMissingValue(namedValueInfo.name, nestedParameter, webRequest);
@@ -116,7 +116,7 @@ public abstract class AbstractNamedValueMethodArgumentResolver implements Handle
arg = handleNullValue(namedValueInfo.name, arg, nestedParameter.getNestedParameterType());
}
else if ("".equals(arg) && namedValueInfo.defaultValue != null) {
arg = resolveStringValue(namedValueInfo.defaultValue);
arg = resolveEmbeddedValuesAndExpressions(namedValueInfo.defaultValue);
}
if (binderFactory != null) {
@@ -169,8 +169,8 @@ public abstract class AbstractNamedValueMethodArgumentResolver implements Handle
name = parameter.getParameterName();
if (name == null) {
throw new IllegalArgumentException(
"Name for argument type [" + parameter.getNestedParameterType().getName() +
"] not available, and parameter name information not found in class file either.");
"Name for argument of type [" + parameter.getNestedParameterType().getName() +
"] not specified, and parameter name information not found in class file either.");
}
}
String defaultValue = (ValueConstants.DEFAULT_NONE.equals(info.defaultValue) ? null : info.defaultValue);
@@ -182,13 +182,13 @@ public abstract class AbstractNamedValueMethodArgumentResolver implements Handle
* potentially containing placeholders and expressions.
*/
@Nullable
private Object resolveStringValue(String value) {
if (this.configurableBeanFactory == null) {
private Object resolveEmbeddedValuesAndExpressions(String value) {
if (this.configurableBeanFactory == null || this.expressionContext == null) {
return value;
}
String placeholdersResolved = this.configurableBeanFactory.resolveEmbeddedValue(value);
BeanExpressionResolver exprResolver = this.configurableBeanFactory.getBeanExpressionResolver();
if (exprResolver == null || this.expressionContext == null) {
if (exprResolver == null) {
return value;
}
return exprResolver.evaluate(placeholdersResolved, this.expressionContext);

21
spring-web/src/main/java/org/springframework/web/multipart/support/MissingServletRequestPartException.java
View File

@@ -1,5 +1,5 @@
/*
* Copyright 2002-2016 the original author or authors.
* Copyright 2002-2020 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.
@@ -26,7 +26,7 @@ import org.springframework.web.multipart.MultipartResolver;
*
* <p>This may be because the request is not a multipart/form-data request,
* because the part is not present in the request, or because the web
* application is not configured correctly for processing multipart requests,
* application is not configured correctly for processing multipart requests,
* e.g. no {@link MultipartResolver}.
*
* @author Rossen Stoyanchev
@@ -35,17 +35,24 @@ import org.springframework.web.multipart.MultipartResolver;
@SuppressWarnings("serial")
public class MissingServletRequestPartException extends ServletException {
private final String partName;
private final String requestPartName;
public MissingServletRequestPartException(String partName) {
super("Required request part '" + partName + "' is not present");
this.partName = partName;
/**
* Constructor for MissingServletRequestPartException.
* @param requestPartName the name of the missing part of the multipart request
*/
public MissingServletRequestPartException(String requestPartName) {
super("Required request part '" + requestPartName + "' is not present");
this.requestPartName = requestPartName;
}
/**
* Return the name of the offending part of the multipart request.
*/
public String getRequestPartName() {
return this.partName;
return this.requestPartName;
}
}