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restored original array behavior (no default growth of arrays)

This commit is contained in:
Juergen Hoeller 2011-07-03 20:05:07 +00:00
parent 4c75054f90
commit b9fe1b3250
1 changed files with 10 additions and 11 deletions
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21
org.springframework.beans/src/main/java/org/springframework/beans/BeanWrapperImpl.java
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@ -611,7 +611,7 @@ public class BeanWrapperImpl extends AbstractPropertyAccessor implements BeanWra
setPropertyValue(tokens, pv);
return getPropertyValue(tokens);
}
private PropertyValue createDefaultPropertyValue(PropertyTokenHolder tokens) {
Class<?> type = getPropertyTypeDescriptor(tokens.canonicalName).getType();
if (type == null) {
@ -621,7 +621,7 @@ public class BeanWrapperImpl extends AbstractPropertyAccessor implements BeanWra
Object defaultValue = newValue(type, tokens.canonicalName);
return new PropertyValue(tokens.canonicalName, defaultValue);
}
private Object newValue(Class<?> type, String name) {
try {
if (type.isArray()) {
@ -652,7 +652,7 @@ public class BeanWrapperImpl extends AbstractPropertyAccessor implements BeanWra
"Could not instantiate property type [" + type.getName() + "] to auto-grow nested property path: " + ex);
}
}
/**
* Create a new nested BeanWrapper instance.
* <p>Default implementation creates a BeanWrapperImpl instance.
@ -859,7 +859,7 @@ public class BeanWrapperImpl extends AbstractPropertyAccessor implements BeanWra
for (int i = length; i < Array.getLength(newArray); i++) {
Array.set(newArray, i, newValue(componentType, name));
}
// TODO this is not efficient because conversion may create a copy ... set directly because we know its assignable.
// TODO this is not efficient because conversion may create a copy ... set directly because we know it is assignable.
setPropertyValue(name, newArray);
return getPropertyValue(name);
}
@ -971,8 +971,6 @@ public class BeanWrapperImpl extends AbstractPropertyAccessor implements BeanWra
oldValue = Array.get(propValue, arrayIndex);
}
Object convertedValue = convertIfNecessary(propertyName, oldValue, pv.getValue(), requiredType, TypeDescriptor.nested(property(pd), tokens.keys.length));
// TODO review this grow algorithm along side the null gap algorithm for setting lists below ... the two are inconsistent
propValue = growArrayIfNecessary(propValue, arrayIndex, actualName);
Array.set(propValue, arrayIndex, convertedValue);
}
catch (IndexOutOfBoundsException ex) {
@ -986,23 +984,24 @@ public class BeanWrapperImpl extends AbstractPropertyAccessor implements BeanWra
pd.getReadMethod(), tokens.keys.length);
List list = (List) propValue;
int index = Integer.parseInt(key);
int size = list.size();
Object oldValue = null;
if (isExtractOldValueForEditor() && index < list.size()) {
if (isExtractOldValueForEditor() && index < size) {
oldValue = list.get(index);
}
Object convertedValue = convertIfNecessary(propertyName, oldValue, pv.getValue(), requiredType, TypeDescriptor.nested(property(pd), tokens.keys.length));
if (index < list.size()) {
if (index < size) {
list.set(index, convertedValue);
}
else if (index >= list.size()) {
for (int i = list.size(); i < index; i++) {
else if (index >= size && index < this.autoGrowCollectionLimit) {
for (int i = size; i < index; i++) {
try {
list.add(null);
}
catch (NullPointerException ex) {
throw new InvalidPropertyException(getRootClass(), this.nestedPath + propertyName,
"Cannot set element with index " + index + " in List of size " +
list.size() + ", accessed using property path '" + propertyName +
size + ", accessed using property path '" + propertyName +
"': List does not support filling up gaps with null elements");
}
}