Package 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
    Description
    <T> T
    Returns an instance of the specified class, or null if this extension is not supported.
  • Method Details

    • 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