com.github.bjoernpetersen.jmusicbot.InitStateWriter Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of musicbot Show documentation

Core library of MusicBot, which plays music from various providers.

There is a newer version: 0.25.0

package com.github.bjoernpetersen.jmusicbot;

import javax.annotation.Nonnull;
import javax.annotation.Nullable;

public interface InitStateWriter extends Loggable {

  @Nonnull
  InitStateWriter NO_OP = new InitStateWriter() {
    @Override
    public void begin(@Nonnull Plugin plugin) {
    }

    @Override
    public void state(@Nonnull String state) {
    }

    @Override
    public void warning(@Nonnull String warning) {
    }
  };

  @Nonnull
  InitStateWriter LOG = new InitStateWriter() {
    @Nullable
    private String activePlugin;

    @Override
    public void begin(@Nonnull Plugin plugin) {
      this.activePlugin = plugin.getReadableName();
    }

    private String prepend(String prepended) {
      String pluginName = activePlugin == null ? "Unknown plugin" : activePlugin;
      return pluginName + ": " + prepended;
    }

    @Override
    public void state(@Nonnull String state) {
      logInfo(prepend(state));
    }

    @Override
    public void warning(@Nonnull String warning) {
      logWarning(prepend(warning));
    }
  };

  void begin(@Nonnull Plugin plugin);

  void state(@Nonnull String state);

  void warning(@Nonnull String warning);

  default void close() {
  }
}