A java enumerate with a static fromString method to get an enum by String value.

Enumerate.java

public enum Enumerate
{
        VALUE1("VALUE1"),
        VALUE2("VALUE2"),
        UNKNOWN("UNKNOWN");
        private String value;

        private Enumerate(String s)
        {
                value = s;
        }

	@Override
        public String toString()
        {
                return value;
        }

        /**
         * Get the enumerate by enum value
         * @param s
         * @return
         */
        public static Enumerate fromString(String s)
        {
                if (s != null)
                        for (Enumerate e : Enumerate.values())
                                if (e.toString().equals(s))
                                        return e;
                return Enumerate.UNKNOWN;
        }
}