JMethod m = type.method(JMod.PUBLIC | JMod.STATIC, type, "fromValue");
JVar $v = m.param(baseExposedType, "v");
JForEach fe = m.body().forEach(type, "c", type.staticInvoke("values"));
JExpression eq;
if (baseExposedType.isPrimitive()) {
eq = fe.var().ref($value).eq($v);
} else {
eq = fe.var().ref($value).invoke("equals").arg($v);
}
fe.body()._if(eq)._then()._return(fe.var());