picocli

Interface CommandLine.Model.ISetter

All Known Subinterfaces:

CommandLine.Model.IScope

Enclosing class:

CommandLine.Model

public static interface CommandLine.Model.ISetter

Customizable setter for modifying the value of an option or positional parameter. When an option or positional parameter is matched on the command line, its setter is invoked to capture the value. For example, an option can be bound to a field or a method, and when the option is matched on the command line, the field's value is set or the method is invoked with the option parameter value.

Since:

3.0

Method Summary

Modifier and Type	Method and Description
<T> T	set(T value) Sets the new value of the option or positional parameter.

Method Detail

set

<T> T set(T value)
   throws Exception

Sets the new value of the option or positional parameter.

Type Parameters:

T - type of the value

Parameters:

value - the new value of the option or positional parameter

Returns:

the previous value of the binding (if supported by this binding)

Throws:

CommandLine.PicocliException - if a problem occurred while setting the new value

Exception - internally, picocli call sites will catch any exceptions thrown from here and rethrow them wrapped in a PicocliException