forked from plusone/plusone-validator
fix: MapValidator#validateAndCopy 添加 merge function
Collectors.toMap 使用 (v1, v2) -> v2 作为 merge function,这在正常情况下不会触发(因为是同一个 entry set 流),是安全的防御性编程。
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@@ -93,7 +93,7 @@ public abstract class MapValidator<K, V> extends BaseValidator<Map<K, V>> {
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validate(obj);
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return obj.entrySet().stream()
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.filter(kv -> keys.contains(kv.getKey()))
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.collect(Collectors.toMap(Map.Entry::getKey, Map.Entry::getValue));
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.collect(Collectors.toMap(Map.Entry::getKey, Map.Entry::getValue, (v1, v2) -> v2));
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}
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// ================================
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