picocli

Interface CommandLine.Model.IExtensible

Enclosing class:

CommandLine.Model

public static interface CommandLine.Model.IExtensible

Interface to allow extending the capabilities of other interface without Java 8 default methods.

Example usage:

 // suppose we want to add a method `getInitialValueState` to `IAnnotatedElement`
 IAnnotatedElement element = getAnnotatedElement();
 if (element instanceof IExtensible) {
     InitialValueState state = ((IExtensible) element).getExtension(InitialValueState.class);
     if (state != null) {
         // ...
     }
 }
 

Since:

4.3

Method Summary

Modifier and Type	Method and Description
<T> T	getExtension(Class<T> cls) Returns an instance of the specified class, or null if this extension is not supported.

Method Detail

getExtension

<T> T getExtension(Class<T> cls)

Returns an instance of the specified class, or null if this extension is not supported.

Parameters:

cls - class of the desired extension