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Small, basic library for communication via the Twitch chat. Java 8 compatible

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Java-Twirk

Small, library for creating an IRC connection to the Twitch chat.

The library is intended to make communication via Twitch chat as easy as possible, and uses Java objects to represent most events that can occur in Twitch chat.

Java 8 compatible.

Installation

Include the following in your pom.xml

<repositories>
    <repository>
        <id>jitpack.io</id>
        <url>https://jitpack.io</url>
    </repository>
</repositories>
<dependencies>
    <dependency>
        <groupId>com.github.gikkman</groupId>
        <artifactId>Java-Twirk</artifactId>
        <version>0.7.1</version>
    </dependency>
</dependencies>

Or simply download the latest version of the library jar from the release page.

Usage

Basic usage

You will need to generate a Twitch IRC Oauth token to use this library. This token is then used as password when creating a TwirkBuilder instance. You can get generate such a token using Twitch Chat OAuth Password Generator.

  final Twirk twirk = new TwirkBuilder(channel, SETTINGS.MY_NICK, SETTINGS.MY_PASS).build();
  twirk.connect();
  ...
  twirk.close();

Events

All events which can be reacted to are listed in TwirkListener.java This snippet will make your bot respond to any channel message with a "pong USER_NAME".

  twirk.addIrcListener( new TwirkListener() { 
    public void onPrivMsg( TwitchUser sender, TwitchMessage message) {
      twirk.channelMessage("pong " + sender.getDisplayName() );
    }
  } );

For a more complex example, which shows how to connect properly and how to write simple bot commands, check out the example code in src/example/java

Extendable

You can make Twirk use your own implementation of all event types by using custom builder classes. By extending the types Builder interface, and then passing an instance of your custom builder to the TwirkBuilder, you can use your own custom implementation of whichever type you want.

  final Twirk twirk = new TwirkBuilder(channel, SETTINGS.MY_NICK, SETTINGS.MY_PASS)
    .setClearChatBuilder( new MyClearChatBuilder() )
    .build();

This will make the Twirk instance build instances of your custom implementation of ClearChat events

Known / Verified bot

If your bot requires a very high message rate limit, you can request a verified bot account. It will increase the bots message rate limits: https://dev.twitch.tv/docs/irc/guide#known-and-verified-bots This isn't strictly necessary if you are just making a bot for your own account, as you might not reach the message limits. For larger/more frequently used bots, it might be necessary.

Contribute

If you find any issues, or have suggestions for features (which does not clutter the library), feel free to submit an Issue or make a pull request. You can also reach me on Twitter or on Twitch

Changelog

0.7.1

Mostly fixes of git issues, but since I need to change a method signature, it requires a version update. You might need to update some code to use this version. Sorry!

  • Userstate.getEmoteSets() now returns a String[]. Used to be a int[], but Twitch changed their definition for this field. Fixes #42
  • Userstate now also has access to the users badges. This was added to the IRC interface a few months ago.
  • Emote.getEmoteID() is removed. The method was deprecated in 0.6, and has now been removed. Please use Emote.getEmoteIDString() instead.
  • TwirkBuilder now automatically casts channel names to lower case. Fixes #44
  • Deprecated Clearchat.getReason(). Twitch has removed ban reasons from the IRC interface, so I can't support this behaviour anymore.
  • Deprecated Twirk.getModsOnline(). Twitch has removed /namelist on connect from the IRC interface, so I can't support this behaviour anymore.

(0.7.0 was redacted because I forgot to update the version in my pom file. Bummer)

0.6.3

Some pretty big changes behind the scenes, but they should be fully backwards compatible. Below is a list of changes:

  • Cheer.getImageURL(...) should now return a proper URL. Fix #30
  • You can now set a custom PING interval, for how often the connection should ping Twitch. See TwirkBuilder.setPingInterval Fix #29
  • You can now assign custom log methods to Twirk, in case you use some kind of logging framework. See TwirkBuilder.setXXXLogMethod. Fix #28 (thanks to PR #31).
  • Calling connect after a disconnect should now work. Fix #26
  • You don't need to include the '#' anymore in the channel name. Fix #21

0.6.2

Hotfix release since some emote IDs were still not parsed correctly (see #22). This hotfix should hopefully fix this issue. Please report any further issues with parsing emotes.

0.6

There has only been minor changes between 0.5 and 0.6. Nothing that should break backwards compatibility. Fixes include:

  • Fixed NumberFormatException on modified emotes
    • Twitch changed the emote IDs from always being a number to sometimes being a number_string -.-' Its fixed now
  • Fixed SockerClosedException stacktrace printing on some locales
    • I think I fixed it at least, but this one is hard to test since there are so many locales.
  • Updated the emotes parse for a safer and faster implementation.
    • This deprecates a previously public method (EmoteParse.parseEmote(String, String)), and the new method is package private. There isn't really any need to call these methods from outside the library
  • Twirk will not only show the "User X was not online" or "User X was already online", when in verbose mode.
    • This happened when we see a leave/part message but didn't track the user correctly. I felt like it was not needed unless you want the verbose output
  • Updated the example a bit
  • Started to move towards proper JUnit tests
    • My home rolled test setup wasn't very user friendly, so now I started moving to user regular @Test tests. I'll eventually convert all tests to this format

And probably some more...

License

This library is licensed under the MIT License. If you use it, a link to this GitHub page is also greatly appriciated, if possible :)