from msg_container import MsgContainer
from msg_sink import MsgSink
import re

class MsgReceiver(MsgSink):
	def __init__(self, name: str, filter: str):
		super().__init__()
		self.name = name
		self.filter = filter

	def is_msg(self, msg: MsgContainer):
		res = False
		try:
			data = msg.data.decode(encoding="utf-8")
			res = re.match(self.filter, data) is not None
		except UnicodeDecodeError:
			pass
		return res

	def on_recv(self, msg: MsgContainer):
		print(f"{self.name}: {msg}")