How to use

getType

method

in

com.palantir.conjure.spec.FieldDefinition

private static void validateErrorDefinition(ErrorDefinition errorDef,
    Map<TypeName, TypeDefinition> definitionMap) {
  Stream.concat(errorDef.getSafeArgs().stream(), errorDef.getUnsafeArgs().stream())
      .filter(arg -> recursivelyFindNestedOptionals(arg.getType(), definitionMap, false))
      .findAny()
      .ifPresent(arg -> {
        throw new IllegalStateException(
            "Illegal nested optionals found in one of arguments of error "
                + errorDef.getErrorName().getName());
      });
}

  private static void checkForComplexType(FieldDefinition typeDef) {
    if (typeDef.getType().accept(TypeVisitor.IS_MAP)) {
      MapType mapType = typeDef.getType().accept(TypeVisitor.MAP);
      if (!mapType.getKeyType().accept(TypeVisitor.IS_PRIMITIVE_OR_REFERENCE)) {
        throw new IllegalStateException(
            String.format("Complex type '%s' not allowed in map key: %s.",
                mapType.getKeyType(), typeDef));
      }
    }
  }
}

private static Optional<TypeName> getReferenceType(TypeDefinition typeDef) {
  if (typeDef.accept(TypeDefinitionVisitor.IS_OBJECT)) {
    ObjectDefinition objectDef = typeDef.accept(TypeDefinitionVisitor.OBJECT);
    for (FieldDefinition currField : objectDef.getFields()) {
      Optional<TypeName> referenceType = resolveReferenceType(currField.getType());
      if (referenceType.isPresent()) {
        return referenceType;
      }
    }
  } else if (typeDef.accept(TypeDefinitionVisitor.IS_ALIAS)) {
    AliasDefinition aliasDef = typeDef.accept(TypeDefinitionVisitor.ALIAS);
    return resolveReferenceType(aliasDef.getAlias());
  }
  return Optional.empty();
}