44 lines
1.1 KiB
Java
44 lines
1.1 KiB
Java
/**
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* (c) 2018 dmulloy2
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*/
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package com.comphenix.protocol.reflect.cloning;
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import java.util.Optional;
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import java.util.OptionalInt;
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/**
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* A cloner that can clone Java Optional objects
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* @author dmulloy2
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*/
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public class JavaOptionalCloner implements Cloner {
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protected Cloner wrapped;
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public JavaOptionalCloner(Cloner wrapped) {
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this.wrapped = wrapped;
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}
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@Override
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public boolean canClone(Object source) {
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return source instanceof Optional || source instanceof OptionalInt;
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}
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@Override
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public Object clone(Object source) {
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if (source instanceof Optional) {
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Optional<?> optional = (Optional<?>) source;
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return optional.map(o -> wrapped.clone(o));
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} else if (source instanceof OptionalInt) {
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// why Java felt the need to make each optional class distinct is beyond me
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// like why couldn't they have given us at least a common interface or something
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OptionalInt optional = (OptionalInt) source;
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return optional.isPresent() ? OptionalInt.of(optional.getAsInt()) : OptionalInt.empty();
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}
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return null;
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}
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public Cloner getWrapped() {
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return wrapped;
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}
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}
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