Fix potential NPEs in RegistryObject.orElseThrow/isPresent/ifPresent Closes #6647

This commit is contained in:
LexManos 2020-04-24 19:18:57 -07:00
parent 9a6d1c390e
commit 03c2a3d3a8

View file

@ -82,6 +82,7 @@ public final class RegistryObject<T extends IForgeRegistryEntry<? super T>> impl
/**
* Directly retrieves the wrapped Registry Object. This value will automatically be updated when the backing registry is updated.
* Will throw NPE if the value is null, use isPresent to check first. Or use any of the other guarded functions.
*/
@Override
@Nonnull
@ -97,7 +98,7 @@ public final class RegistryObject<T extends IForgeRegistryEntry<? super T>> impl
this.value = registry.getValue(getId());
}
public ResourceLocation getId()
public ResourceLocation getId()
{
return this.name;
}
@ -112,7 +113,7 @@ public final class RegistryObject<T extends IForgeRegistryEntry<? super T>> impl
* @return {@code true} if there is a mod object present, otherwise {@code false}
*/
public boolean isPresent() {
return get() != null;
return this.value != null;
}
/**
@ -124,7 +125,7 @@ public final class RegistryObject<T extends IForgeRegistryEntry<? super T>> impl
* null
*/
public void ifPresent(Consumer<? super T> consumer) {
if (get() != null)
if (isPresent())
consumer.accept(get());
}
@ -196,7 +197,7 @@ public final class RegistryObject<T extends IForgeRegistryEntry<? super T>> impl
return Objects.requireNonNull(mapper.apply(get()));
}
}
/**
* If a mod object is present, lazily apply the provided mapping function to it,
* returning a supplier for the transformed result. If this object is empty, or the
@ -259,7 +260,7 @@ public final class RegistryObject<T extends IForgeRegistryEntry<? super T>> impl
* {@code exceptionSupplier} is null
*/
public <X extends Throwable> T orElseThrow(Supplier<? extends X> exceptionSupplier) throws X {
if (get() != null) {
if (isPresent()) {
return get();
} else {
throw exceptionSupplier.get();