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Support for MultiValueMap elements in bean property paths

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Closes gh-26297
This commit is contained in:
Juergen Hoeller
2023-07-12 16:23:39 +02:00
parent 490ff0af5e
commit c1932dd307
4 changed files with 129 additions and 26 deletions
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29
spring-beans/src/main/java/org/springframework/beans/AbstractNestablePropertyAccessor.java
View File

@@ -319,14 +319,14 @@ public abstract class AbstractNestablePropertyAccessor extends AbstractPropertyA
}
else if (propValue instanceof List list) {
Class<?> requiredType = ph.getCollectionType(tokens.keys.length);
TypeDescriptor requiredType = ph.getCollectionType(tokens.keys.length);
int index = Integer.parseInt(lastKey);
Object oldValue = null;
if (isExtractOldValueForEditor() && index < list.size()) {
oldValue = list.get(index);
}
Object convertedValue = convertIfNecessary(tokens.canonicalName, oldValue, pv.getValue(),
requiredType, ph.nested(tokens.keys.length));
requiredType.getResolvableType().resolve(), requiredType);
int size = list.size();
if (index >= size && index < this.autoGrowCollectionLimit) {
for (int i = size; i < index; i++) {
@@ -354,12 +354,12 @@ public abstract class AbstractNestablePropertyAccessor extends AbstractPropertyA
}
else if (propValue instanceof Map map) {
Class<?> mapKeyType = ph.getMapKeyType(tokens.keys.length);
Class<?> mapValueType = ph.getMapValueType(tokens.keys.length);
TypeDescriptor mapKeyType = ph.getMapKeyType(tokens.keys.length);
TypeDescriptor mapValueType = ph.getMapValueType(tokens.keys.length);
// IMPORTANT: Do not pass full property name in here - property editors
// must not kick in for map keys but rather only for map values.
TypeDescriptor typeDescriptor = TypeDescriptor.valueOf(mapKeyType);
Object convertedMapKey = convertIfNecessary(null, null, lastKey, mapKeyType, typeDescriptor);
Object convertedMapKey = convertIfNecessary(null, null, lastKey,
mapKeyType.getResolvableType().resolve(), mapKeyType);
Object oldValue = null;
if (isExtractOldValueForEditor()) {
oldValue = map.get(convertedMapKey);
@@ -367,7 +367,7 @@ public abstract class AbstractNestablePropertyAccessor extends AbstractPropertyA
// Pass full property name and old value in here, since we want full
// conversion ability for map values.
Object convertedMapValue = convertIfNecessary(tokens.canonicalName, oldValue, pv.getValue(),
mapValueType, ph.nested(tokens.keys.length));
mapValueType.getResolvableType().resolve(), mapValueType);
map.put(convertedMapKey, convertedMapValue);
}
@@ -1041,19 +1041,16 @@ public abstract class AbstractNestablePropertyAccessor extends AbstractPropertyA
public abstract ResolvableType getResolvableType();
@Nullable
public Class<?> getMapKeyType(int nestingLevel) {
return getResolvableType().getNested(nestingLevel).asMap().resolveGeneric(0);
public TypeDescriptor getMapKeyType(int nestingLevel) {
return TypeDescriptor.valueOf(getResolvableType().getNested(nestingLevel).asMap().resolveGeneric(0));
}
@Nullable
public Class<?> getMapValueType(int nestingLevel) {
return getResolvableType().getNested(nestingLevel).asMap().resolveGeneric(1);
public TypeDescriptor getMapValueType(int nestingLevel) {
return TypeDescriptor.valueOf(getResolvableType().getNested(nestingLevel).asMap().resolveGeneric(1));
}
@Nullable
public Class<?> getCollectionType(int nestingLevel) {
return getResolvableType().getNested(nestingLevel).asCollection().resolveGeneric();
public TypeDescriptor getCollectionType(int nestingLevel) {
return TypeDescriptor.valueOf(getResolvableType().getNested(nestingLevel).asCollection().resolveGeneric());
}
@Nullable

31
spring-beans/src/main/java/org/springframework/beans/BeanWrapperImpl.java
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@@ -1,5 +1,5 @@
/*
* Copyright 2002-2022 the original author or authors.
* Copyright 2002-2023 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.
@@ -236,19 +236,36 @@ public class BeanWrapperImpl extends AbstractNestablePropertyAccessor implements
private final PropertyDescriptor pd;
private final TypeDescriptor typeDescriptor;
public BeanPropertyHandler(PropertyDescriptor pd) {
super(pd.getPropertyType(), pd.getReadMethod() != null, pd.getWriteMethod() != null);
this.pd = pd;
}
@Override
public ResolvableType getResolvableType() {
return ResolvableType.forMethodReturnType(this.pd.getReadMethod());
this.typeDescriptor = new TypeDescriptor(property(pd));
}
@Override
public TypeDescriptor toTypeDescriptor() {
return new TypeDescriptor(property(this.pd));
return this.typeDescriptor;
}
@Override
public ResolvableType getResolvableType() {
return this.typeDescriptor.getResolvableType();
}
@Override
public TypeDescriptor getMapValueType(int nestingLevel) {
return new TypeDescriptor(
this.typeDescriptor.getResolvableType().getNested(nestingLevel).asMap().getGeneric(1),
null, this.typeDescriptor.getAnnotations());
}
@Override
public TypeDescriptor getCollectionType(int nestingLevel) {
return new TypeDescriptor(
this.typeDescriptor.getResolvableType().getNested(nestingLevel).asCollection().getGeneric(),
null, this.typeDescriptor.getAnnotations());
}
@Override

21
spring-beans/src/main/java/org/springframework/beans/DirectFieldAccessor.java
View File

@@ -1,5 +1,5 @@
/*
* Copyright 2002-2020 the original author or authors.
* Copyright 2002-2023 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.
@@ -101,19 +101,34 @@ public class DirectFieldAccessor extends AbstractNestablePropertyAccessor {
private final Field field;
private final ResolvableType resolvableType;
public FieldPropertyHandler(Field field) {
super(field.getType(), true, true);
this.field = field;
this.resolvableType = ResolvableType.forField(this.field);
}
@Override
public TypeDescriptor toTypeDescriptor() {
return new TypeDescriptor(this.field);
return new TypeDescriptor(this.resolvableType, this.field.getType(), this.field.getAnnotations());
}
@Override
public ResolvableType getResolvableType() {
return ResolvableType.forField(this.field);
return this.resolvableType;
}
@Override
public TypeDescriptor getMapValueType(int nestingLevel) {
return new TypeDescriptor(this.resolvableType.getNested(nestingLevel).asMap().getGeneric(1),
null, this.field.getAnnotations());
}
@Override
public TypeDescriptor getCollectionType(int nestingLevel) {
return new TypeDescriptor(this.resolvableType.getNested(nestingLevel).asCollection().getGeneric(),
null, this.field.getAnnotations());
}
@Override