outgoing_message.py

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from rosbridge_library.internal.message_conversion import extract_values as extract_json_values
from rosbridge_library.internal.cbor_conversion import extract_cbor_values


class OutgoingMessage:
    """A message wrapper for caching encoding operations."""
    def __init__(self, message):
        self._message = message
        self._json_values = None
        self._cbor_values = None

    @property
    def message(self):
        return self._message

    def get_json_values(self):
        if self._json_values is None:
            self._json_values = extract_json_values(self._message)
        return self._json_values

    def get_cbor_values(self):
        if self._cbor_values is None:
            self._cbor_values = extract_cbor_values(self._message)
        return self._cbor_values