허니몬(Honeymon)의 자바guru

package io.honeymon.springboot.slack.configuration;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.client.RestTemplate;

@Configuration
public class WebConfiguration {

	@Bean
	RestTemplate restTemplate() {
		return new RestTemplate();
	}
}

package io.honeymon.springboot.slack.integration;

import java.util.List;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import org.springframework.web.client.RestTemplate;

import com.google.common.collect.Lists;

import lombok.AllArgsConstructor;
import lombok.Builder;
import lombok.Data;
import lombok.NoArgsConstructor;
import lombok.extern.slf4j.Slf4j;

/**
 * Slack Notifier
 *
 * @author honeymon
 *
 */
@Slf4j
@Component
public class SlackNotifier {

	@Autowired
	private RestTemplate restTemplate;

	public enum SlackTarget {
		// TODO webHookUrl 은 자신의 슬랙 IncomingWebHookAPI로 변경하세요.
		CH_INCOMING("https://hooks.slack.com/services/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", "incoming");

		String webHookUrl;
		String channel;

		SlackTarget(String webHookUrl, String channel) {
			this.webHookUrl = webHookUrl;
			this.channel = channel;
		}
	}

	@Data
	@AllArgsConstructor
	@NoArgsConstructor
	@Builder
	public static class SlackMessageAttachement {
		private String color;
		private String pretext;
		private String title;
		private String title_link;
		private String text;
	}

	@Data
	@AllArgsConstructor
	@NoArgsConstructor
	@Builder
	public static class SlackMessage {
		private String text;
		private String channel;
		private List<SlackMessageAttachement> attachments;

		void addAttachment(SlackMessageAttachement attachement) {
			if (this.attachments == null) {
				this.attachments = Lists.newArrayList();
			}
			this.attachments.add(attachement);
		}
	}

	public boolean notify(SlackTarget target, SlackMessageAttachement message) {
		log.debug("Notify[target: {}, message: {}]", target, message);

		SlackMessage slackMessage = SlackMessage.builder().channel(target.channel)
				.attachments(Lists.newArrayList(message)).build();
		try {

			restTemplate.postForEntity(target.webHookUrl, slackMessage, String.class);
			return true;
		} catch (Exception e) {
			log.error("Occur Exception: {}", e);
			return false;
		}

	}
}

package io.honeymon.springboot.slack.web;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RestController;

import io.honeymon.springboot.slack.integration.SlackNotifier;
import io.honeymon.springboot.slack.integration.SlackNotifier.SlackMessageAttachement;
import io.honeymon.springboot.slack.integration.SlackNotifier.SlackTarget;

@RestController
public class SlackSendController {
	@Autowired
	private SlackNotifier slackNotifier;

	@RequestMapping(value = "/", method = RequestMethod.POST)
	public ResponseEntity<Boolean> send(@RequestBody SlackMessageAttachement message) {  (1)
		return ResponseEntity.ok(slackNotifier.notify(SlackTarget.CH_INCOMING, message));
	}
}