RefLogger.java

package com.airbnb.chancery;

import com.airbnb.chancery.github.GithubClient;
import com.airbnb.chancery.model.CallbackPayload;
import com.airbnb.chancery.model.Repository;
import lombok.extern.slf4j.Slf4j;
import org.slf4j.Logger;

import javax.validation.constraints.NotNull;

@Slf4j
public class RefLogger extends FilteringSubscriber {
	private final PayloadExpressionEvaluator refTemplate;
	private final GithubClient ghClient;

	public RefLogger(RefLoggerConfig config, GithubClient ghClient) {
		super(config.getRefFilter());
		this.ghClient = ghClient;
		refTemplate = new PayloadExpressionEvaluator(config.getRefTemplate());
	}

	@Override
	Logger getLogger() {
		return log;
	}

	@Override
	protected void handleCallback(@NotNull CallbackPayload callbackPayload)
			throws Exception {
		if (callbackPayload.isDeleted())
			return;

		final String ref = refTemplate.evaluateForPayload(callbackPayload);
		final Repository repo = callbackPayload.getRepository();
		final String hash = callbackPayload.getAfter();
		final String owner = repo.getOwner().getName();
		final String repoName = repo.getName();

		log.info("Creating ref {} to {} in {}/{}", ref, hash, owner, repoName);
		ghClient.createReference(owner, repoName, ref, hash);
		log.info("Created ref {} to {} in {}/{}", ref, hash, owner, repoName);
	}
}