uk.ac.starlink.tfcat

Interface Decoder<T>

Type Parameters:

T - output type

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public interface Decoder<T>

Turns a JSON object into a typed java object.

Method Summary

Modifier and Type	Method and Description
T	decode(Reporter reporter, Object json, TfcatObject parent) Takes a parsed JSON object (may be an array or something else) and attempts to decode it into an object of this decoder's parameterised type.

Method Detail

decode

T decode(Reporter reporter,
         Object json,
         TfcatObject parent)

Takes a parsed JSON object (may be an array or something else) and attempts to decode it into an object of this decoder's parameterised type. In case of failure, null is returned. Any fatal or recoverable errors encountered during decoding should be reported through the supplied reporter.

Parameters:

reporter - destination for error messages

json - input JSON object

parent - parent object, may be null

Returns:

decoded object, or null