package org.argeo.api.acr;
/**
* An attribute type MUST consistently parse a string to an object so that
* parse(obj.toString()).equals(obj)
is verified.
* {@link #format(Object)} can be overridden to provide more efficient
* implementations but the returned
* String MUST be the same, that is format(obj).equals(obj.toString())
* is verified.
*/
public interface AttributeFormatter {
/** Parses a String to a Java object. */
T parse(String str) throws IllegalArgumentException;
/** Default implementation returns {@link Object#toString()} on the argument. */
default String format(T obj) {
return obj.toString();
}
}