Fix reflection in PlayerDataStorage + new wrapOptional method in reflection library
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@ -16,13 +16,12 @@ public class PlayerDataStorage extends ReflectWrapper {
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public static final ReflectMethod<?> load = wrapEx(() -> REFLECT.method("load", String.class, String.class));
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/**
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* @param playerName the name of the player: used for loading error message and of offline UUID generation.
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* @param playerId UUID of a player as it is used to name the player data file (UUID.toString())
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* @param playerName the name of the player: used for loading error message and for offline UUID generation.
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* @param playerId UUID of a player as it is used to name the player data file (UUID.toString()).
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*/
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@SuppressWarnings("unchecked")
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public Optional<CompoundTag> load(String playerName, String playerId) {
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return ((Optional<Object>) wrapReflectEx(() -> load.invoke(__getRuntimeInstance(), playerId)))
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.map(o -> wrap(o, CompoundTag.class));
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return wrapOptional((Optional<Object>) wrapReflectEx(() -> load.invoke(__getRuntimeInstance(), playerName, playerId)), CompoundTag.class);
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}
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@ -7,6 +7,7 @@ import fr.pandacube.lib.reflect.ReflectConstructor;
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import java.util.List;
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import java.util.Map;
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import java.util.Objects;
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import java.util.Optional;
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import static fr.pandacube.lib.util.ThrowableUtil.wrapEx;
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@ -98,7 +99,7 @@ public abstract class ReflectWrapper implements ReflectWrapperI {
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Class<?> runtimeClass = runtimeObj.getClass();
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Class<?> expectedRuntimeClass = (expectedWrapperClass == null) ? null : WrapperRegistry.getRuntimeClassOfWrapperClass(expectedWrapperClass);
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if (expectedRuntimeClass != null && !expectedRuntimeClass.isAssignableFrom(runtimeClass)) {
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throw new ClassCastException("Runtime class " + runtimeClass + " is not a sub-class or a sub-interface of expected runtime class " + expectedRuntimeClass + "" +
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throw new ClassCastException("Runtime class " + runtimeClass + " is not a sub-class or a sub-interface of expected runtime class " + expectedRuntimeClass +
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" (expected wrapper class " + expectedWrapperClass + ").");
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}
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Class<? extends ReflectWrapperI> wrapperClass = WrapperRegistry.getWrapperOfRuntimeClass(runtimeClass);
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@ -139,6 +140,27 @@ public abstract class ReflectWrapper implements ReflectWrapperI {
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}
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/**
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* Maps the provided {@link Optional} containing a runtime object to the reflection wrapper.
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* @param runtimeOptional the object to wrap.
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* @param expectedWrapperClass the reflection wrapper class expected to be returned.
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* @param <W> the type of the reflection wrapper.
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* @throws ClassCastException if the runtime class of the object is not handled by the expected wrapper class or its
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* subclasses.
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* @throws IllegalArgumentException if the runtime class of the object is not handled by any of the registered
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* wrapper classes.
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* @implNote Despite that the convention is to not assign null values as Optional, this method properly handles null
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* value for parameter runtimeOptional.
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* @return an optional of the wrapper.
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*/
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@SuppressWarnings("OptionalAssignedToNull")
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public static <W extends ReflectWrapperI> Optional<W> wrapOptional(Optional<Object> runtimeOptional, Class<W> expectedWrapperClass) {
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return runtimeOptional == null ? null : runtimeOptional.map(o -> wrap(o, expectedWrapperClass));
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}
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