def __conversion_error(self, field_name, value, desired_type):
"""Raises an exception to report the specified conversion error.
@param field_name: The name of the field that failed to convert.
@param value: The value that could not be converted.
@param desired_type: The desired conversion type.
@raise JsonConversionException: The conversion error."""
raise JsonConversionException(
"Failed converting %s of type %s for field %s to desired type %s" %
(str(value), type(value), field_name, desired_type))
def __raise_not_json_object(self, index):
raise JsonConversionException(
"A non-JsonObject entry was found in array at index=%i" % index)
