java.lang.Enum Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of jtransc-rt Show documentation

JVM AOT compiler currently generating JavaScript, C++, Haxe, with initial focus on Kotlin and games.

The newest version!

/*
 * Copyright 2016 Carlos Ballesteros Velasco
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package java.lang;

import java.io.Serializable;
import java.lang.reflect.Field;
import java.lang.reflect.Modifier;
import java.util.Objects;

public abstract class Enum> implements Comparable, Serializable {
	private final String name;

	public final String name() {
		return name;
	}

	private final int ordinal;

	public final int ordinal() {
		return ordinal;
	}

	protected Enum(String name, int ordinal) {
		this.name = name;
		this.ordinal = ordinal;
	}

	public String toString() {
		return name;
	}

	public final boolean equals(Object other) {
		return this == other;
	}

	public final int hashCode() {
		return super.hashCode();
	}

	protected final Object clone() throws CloneNotSupportedException {
		throw new CloneNotSupportedException();
	}

	public final int compareTo(E o) {
		Enum other = o;
		Enum self = this;
		if (self.getClass() != other.getClass() && self.getDeclaringClass() != other.getDeclaringClass()) {
			throw new ClassCastException();
		}
		return self.ordinal - other.ordinal;
	}

	public final Class getDeclaringClass() {
		Class clazz = getClass();
		Class zuper = clazz.getSuperclass();
		return (zuper == Enum.class) ? (Class) clazz : (Class) zuper;
	}

	public static > T valueOf(Class enumType, String name) {
		for (Field field : enumType.getDeclaredFields()) {
			if (Objects.equals(field.getName(), name)) {
				//if (Modifier.isStatic(field.getModifiers())) {
					//if (Objects.equals(field.getType(), enumType)) {
						try {
							return (T) field.get(null);
						} catch (IllegalAccessException e) {
							e.printStackTrace();
						}
				//	}
				//}
			}
		}
		return null;
	}
}