Drupal 8 Logger Dependency Injection

example_module.services.yml

services:
  logger.channel.example_module:
    parent: logger.channel_base
    arguments: ['example_module']

ExamplePlugin.php

<?php

namespace Drupal\example\Plugin\ExamplePlugin;

use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
use Symfony\Component\DependencyInjection\ContainerInterface;
use Drupal\Core\Logger\LoggerChannel;

/**
 * Example plugin.
 */
class ExamplePlugin extends PluginBase implements ContainerFactoryPluginInterface {

  /**
   * LoggerChannel service.
   *
   * @var \Drupal\Core\Logger\LoggerChannel
   */
  protected $logger;

  /**
   * ExamplePlugin constructor.
   *
   * @param array $configuration
   *   Configuration array.
   * @param string $plugin_id
   *   The plugin id.
   * @param string $plugin_definition
   *   The plugin definition.
   * @param \Drupal\Core\Logger\LoggerChannel $logger
   *   Logger Channel service.
   */
  public function __construct(array $configuration, $plugin_id, $plugin_definition, LoggerChannel $logger) {
    parent::__construct($configuration, $plugin_id, $plugin_definition);
    $this->logger = $logger;
  }

  /**
   * Creates an instance of the plugin.
   *
   * @param \Symfony\Component\DependencyInjection\ContainerInterface $container
   *   The container to pull out services used in the plugin.
   * @param array $configuration
   *   A configuration array containing information about the plugin instance.
   * @param string $plugin_id
   *   The plugin ID for the plugin instance.
   * @param mixed $plugin_definition
   *   The plugin implementation definition.
   *
   * @return static
   *   Returns an instance of this plugin.
   */
  public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
    return new static(
      $configuration,
      $plugin_id,
      $plugin_definition,
      $container->get('logger.channel.example_module')
    );
  }

  /**
   * {@inheritdoc}
   */
  public function exampleMethod() {
    if ($this->something()) {
      $this->logger->notice('Something happened.');
    }
    else {
      $this->logger->error('Nothing happened.');
    }
  }

}