{{>additionalEnumTypeAnnotations}}public enum {{datatypeWithEnum}} {

    {{#allowableValues}}
    {{#enumVars}}{{name}}({{dataType}}.valueOf({{{value}}})){{^-last}}, {{/-last}}{{#-last}};{{/-last}}{{/enumVars}}
    {{/allowableValues}}


    private {{dataType}} value;

    {{datatypeWithEnum}} ({{dataType}} v) {
        value = v;
    }

    public {{dataType}} value() {
        return value;
    }

    @Override
    {{#jackson}}@JsonValue{{/jackson}}
    public String toString() {
        return String.valueOf(value);
    }

    /**
     * Convert a String into {{dataType}}, as specified in the
     * <a href="https://download.oracle.com/otndocs/jcp/jaxrs-2_0-fr-eval-spec/index.html">See JAX RS 2.0 Specification, section 3.2, p. 12</a>
     */
    public static {{datatypeWithEnum}} fromString(String s) {
        for ({{#datatypeWithEnum}}{{{.}}}{{/datatypeWithEnum}}{{^datatypeWithEnum}}{{{classname}}}{{/datatypeWithEnum}} b : {{#datatypeWithEnum}}{{{.}}}{{/datatypeWithEnum}}{{^datatypeWithEnum}}{{{classname}}}{{/datatypeWithEnum}}.values()) {
            // using Objects.toString() to be safe if value type non-object type
            // because types like 'int' etc. will be auto-boxed
            if (java.util.Objects.toString(b.value).equals(s)) {
                return b;
            }
        }
        {{#isNullable}}return null;{{/isNullable}}{{^isNullable}}throw new IllegalArgumentException("Unexpected string value '" + s + "'");{{/isNullable}}
    }

    {{#jackson}}@JsonCreator{{/jackson}}
    public static {{datatypeWithEnum}} fromValue({{dataType}} value) {
        for ({{{datatypeWithEnum}}}{{^datatypeWithEnum}}{{{classname}}}{{/datatypeWithEnum}} b : {{{datatypeWithEnum}}}{{^datatypeWithEnum}}{{{classname}}}{{/datatypeWithEnum}}.values()) {
            if (b.value.equals(value)) {
                return b;
            }
        }
        {{#isNullable}}return null;{{/isNullable}}{{^isNullable}}throw new IllegalArgumentException("Unexpected value '" + value + "'");{{/isNullable}}
    }
}
