src/main/java/net/pterodactylus/xdcc/core/ChannelBanManager.java

   1 package net.pterodactylus.xdcc.core;
   2
   3 import static java.lang.System.currentTimeMillis;
   4 import static java.util.concurrent.TimeUnit.HOURS;
   5
   6 import java.util.HashMap;
   7 import java.util.Map;
   8
   9 import net.pterodactylus.xdcc.data.Channel;
  10
  11 /**
  12  * Manages banned channels and their re-join times.
  13  *
  14  * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
  15  */
  16 public class ChannelBanManager {
  17
  18         private static final long BAN_TIME = HOURS.toMillis(24);
  19         private final Map<Channel, Long> channelBanTimes = new HashMap<>();
  20
  21         public boolean isBanned(Channel channel) {
  22                 return channelBanTimes.containsKey(channel)
  23                                 && ((currentTimeMillis() - channelBanTimes.get(channel))
  24                                 < BAN_TIME);
  25         }
  26
  27         public void ban(Channel channel) {
  28                 channelBanTimes.put(channel, currentTimeMillis());
  29         }
  30
  31         public void unban(Channel channel) {
  32                 channelBanTimes.remove(channel);
  33         }
  34
  35 }