1 package junitparams.converters; 2 3 import java.lang.annotation.Annotation; 4 5 /** 6 * Defines the logic to convert parameter annotated with A to type T. Converter must have a public no-args constructor. Configuration is 7 * done via {@link Converter#initialize(java.lang.annotation.Annotation)} method<br> 8 * Inspired by javax.validation.ConstraintValidator 9 * 10 * @param <A> type of annotation mentioning this converter 11 * @param <T> conversion target type 12 */ 13 public interface Converter<A extends Annotation, T> { 14 15 /** 16 * Initializes this converter - you can read your annotation config here. 17 */ initialize(A annotation)18 void initialize(A annotation); 19 20 /** 21 * Converts param to desired type. 22 * 23 * @throws ConversionFailedException 24 */ convert(Object param)25 T convert(Object param) throws ConversionFailedException; 26 } 27