in src/main/java/com/twitter/joauth/Unpacker.java [86:101]
private KeyValueHandler createKeyValueHandler(
KeyValueHandler kvHandler,
KeyValueCallback transformer
) {
Transformer processKey = new Transformer() {
@Override
public String transform(String input) {
return helper.processKey(input);
}
};
return new KeyValueHandler.KeyTransformingKeyValueHandler(
new KeyValueHandler.TrimmingKeyValueHandler(transformer.invoke(kvHandler)),
processKey);
}