Java Enum from Ordinal fromOrdinal(Class enumClass, Integer value)

Description

Get the enum value from its ordinal value

License

Apache License

Parameter

Parameter	Description
enumClass	a parameter
value	a parameter
T	a parameter

Declaration

@SuppressWarnings("unchecked")
public static <T extends Enum<T>> T fromOrdinal(Class<T> enumClass, Integer value) 

Method Source Code

//package com.java2s;
//License from project: Apache License 

public class Main {
    /**/*w w  w  . j  av  a 2  s  .  c  o  m*/
     * Get the enum value from its ordinal value
     *
     * @param enumClass
     * @param value
     * @param <T>
     * @return
     */
    @SuppressWarnings("unchecked")
    public static <T extends Enum<T>> T fromOrdinal(Class<T> enumClass, Integer value) {
        Enum<T>[] values = (enumClass).getEnumConstants();
        if (value > values.length - 1 || value < 0) {
            throw new IllegalArgumentException(
                    "Wrong value provided for the enum " + enumClass + " : " + value + "!");
        }
        return (T) values[value];
    }
}

Related

1. fromOrdinal(Class enumClass, int ordinal)
2. fromOrdinal(E[] values, int ordinal)