com.g2forge.alexandria.java.enums.HEnum Maven / Gradle / Ivy

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Standard Java library and the basis of the ${alexandria.name} project.

There is a newer version: 0.0.18

package com.g2forge.alexandria.java.enums;

import java.util.LinkedHashMap;
import java.util.Map;

import com.g2forge.alexandria.java.marker.Helpers;

import lombok.experimental.UtilityClass;

@Helpers
@UtilityClass
public class HEnum {
	public static > E valueOfInsensitive(Class klass, String text) {
		final Map map = new LinkedHashMap<>();
		for (E value : klass.getEnumConstants()) {
			if (map.put(value.toString().toLowerCase(), value) != null) throw new IllegalArgumentException("Cannot perform case insensitive matching on enum \"" + klass + "\" because the members are not unique without casing!");
		}
		return map.get(text.toLowerCase());
	}
}