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Safer null checking with parsing enum value.

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This commit is contained in:
Ben Woo 2021-07-22 11:42:54 +08:00
parent b940063104
commit fee9b95bef
1 changed files with 7 additions and 1 deletions
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8
src/main/java/com/onarandombox/MultiverseCore/utils/EnumMapping.java
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@ -1,6 +1,7 @@
package com.onarandombox.MultiverseCore.utils; package com.onarandombox.MultiverseCore.utils;
import org.jetbrains.annotations.NotNull; import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.util.Arrays; import java.util.Arrays;
import java.util.Collections; import java.util.Collections;
@ -29,11 +30,16 @@ public class EnumMapping<T extends Enum<T>> {
} }
@NotNull @NotNull
public Optional<T> parseValue(String value) { public Optional<T> parseValue(@Nullable String value) {
if (value == null) {
return Optional.empty();
}
T enumType = this.enumsMap.get(caseSensitive ? value : value.toLowerCase()); T enumType = this.enumsMap.get(caseSensitive ? value : value.toLowerCase());
if (enumType != null) { if (enumType != null) {
return Optional.of(enumType); return Optional.of(enumType);
} }
try { try {
return Optional.of(Enum.valueOf(enumClass, value)); return Optional.of(Enum.valueOf(enumClass, value));
} catch (IllegalArgumentException e) { } catch (IllegalArgumentException e) {