CLI2 - Validators

CLI2 provides a mechanism to validate argument values. The Validator interface must be implemented to create an argument validator. This interface has a single method validate(java.util.List values) throws InvalidArgumentException.

CLI2 has some standard validators included. They validate the following:

Java class
date
enumeration
file path
number
URL

The ClassValidator can validate a value using three criteria:

the value adheres to the Java Language Specification rules
the class specified by the name is loadable
the class specified by the name can be instantiated

// 1. ClassValidator validator = new ClassValidator(); // 2. validator.setLoadable(true); // 3. validator.setLoadable(true);