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Return an empty modifier if a class does not exist

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Addresses #336
This commit is contained in:
Dan Mulloy 2017-05-23 18:52:28 -04:00
parent f093c9196d
commit 11247f1c01
1 changed files with 17 additions and 8 deletions
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25
modules/API/src/main/java/com/comphenix/protocol/reflect/StructureModifier.java
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@ -453,6 +453,17 @@ public class StructureModifier<TField> {
*/ */
@SuppressWarnings("unchecked") @SuppressWarnings("unchecked")
public <T> StructureModifier<T> withType(Class fieldType, EquivalentConverter<T> converter) { public <T> StructureModifier<T> withType(Class fieldType, EquivalentConverter<T> converter) {
if (fieldType == null) {
// It's not supported in this version, so return an empty modifier
return new StructureModifier<T>() {
@Override
public T read(int index) { return null; }
@Override
public StructureModifier<T> write(int index, T value) { return this; }
};
}
StructureModifier<T> result = subtypeCache.get(fieldType); StructureModifier<T> result = subtypeCache.get(fieldType);
// Do we need to update the cache? // Do we need to update the cache?
@ -462,7 +473,7 @@ public class StructureModifier<TField> {
int index = 0; int index = 0;
for (Field field : data) { for (Field field : data) {
if (fieldType != null && fieldType.isAssignableFrom(field.getType())) { if (fieldType.isAssignableFrom(field.getType())) {
filtered.add(field); filtered.add(field);
// Don't use the original index // Don't use the original index
@ -476,14 +487,12 @@ public class StructureModifier<TField> {
// Cache structure modifiers // Cache structure modifiers
result = withFieldType(fieldType, filtered, defaults); result = withFieldType(fieldType, filtered, defaults);
if (fieldType != null) { subtypeCache.put(fieldType, result);
subtypeCache.put(fieldType, result);
// Automatically compile the structure modifier // Automatically compile the structure modifier
if (useStructureCompiler && BackgroundCompiler.getInstance() != null) if (useStructureCompiler && BackgroundCompiler.getInstance() != null)
BackgroundCompiler.getInstance().scheduleCompilation(subtypeCache, fieldType); BackgroundCompiler.getInstance().scheduleCompilation(subtypeCache, fieldType);
}
} }
// Add the target too // Add the target too