Enabling support for non-Spring launching, documentation

Signed-off-by: William Dunne <william@tutuka.com>

Author: wdile

README.md

@@ -76,6 +76,38 @@ extends [Bot](/jbot-core/src/main/java/me/ramswaroop/jbot/core/slack/Bot.java) f
 bots as you want, just make the class extend [Bot](/jbot-core/src/main/java/me/ramswaroop/jbot/core/slack/Bot.java) class
 and it gets all the powers of a Slack Bot.
 
+### Usage as a non-Boot application
+
+```java
+public class SlackBot extends Bot {
+    private String slackToken;
+    
+    public SlackBot(String rtmUrl, String rtmToken) {
+        this.slackToken = rtmToken;
+        this.slackService = new SlackService();
+        SlackDao slackDao = new SlackDao();
+        slackDao.setRtmUrl(rtmUrl);
+        this.slackService.setSlackDao(slackDao);
+    }
+    
+    public String getSlackToken() {
+        return this.slackToken;
+    }
+
+    public Bot getSlackBot() {
+        return this;
+    }
+}
+
+public class Application {
+    public static void main(String[] args) {
+        SlackBot slackBot = new SlackBot(args[0], args[1]);
+        slackBot.startWebSocketConnection();
+        //something to stop the application terminating
+    }
+}
+```
+
 ### Building a [Slack Integration](https://api.slack.com/) with JBot
 
 You can integrate your services into Slack by any of the following ways:

jbot/src/main/java/me/ramswaroop/jbot/core/slack/Bot.java

@@ -394,7 +394,7 @@ private BotWebSocketHandler handler() {
      * and after which your bot becomes live.
      */
     @PostConstruct
-    private void startWebSocketConnection() {
+    public void startWebSocketConnection() {
         slackService.startRTM(getSlackToken());
         if (slackService.getWebSocketUrl() != null) {
             WebSocketConnectionManager manager = new WebSocketConnectionManager(client(), handler(), slackService.getWebSocketUrl());

jbot/src/main/java/me/ramswaroop/jbot/core/slack/SlackDao.java

@@ -30,9 +30,6 @@
 public class SlackDao {
 
     private static final Logger logger = LoggerFactory.getLogger(SlackDao.class);
-    /**
-     * Endpoint for RTM.start()
-     */
     @Value("${rtmUrl}")
     private String rtmUrl;
     /**
@@ -84,7 +81,7 @@ public RTM deserialize(JsonParser p, DeserializationContext ctxt) {
             httpMessageConverters.add(jsonConverter);
             restTemplate.setMessageConverters(httpMessageConverters);
 
-            ResponseEntity<RTM> response = restTemplate.getForEntity(rtmUrl, RTM.class, slackToken);
+            ResponseEntity<RTM> response = restTemplate.getForEntity(getRtmUrl(), RTM.class, slackToken);
             if (response.getBody() != null) {
                 rtm.setWebSocketUrl(response.getBody().getWebSocketUrl());
                 rtm.setDmChannels(response.getBody().getDmChannels());
@@ -100,4 +97,15 @@ public RTM deserialize(JsonParser p, DeserializationContext ctxt) {
 
         return rtm;
     }
+
+    /**
+     * Endpoint for RTM.start()
+     */
+    public String getRtmUrl() {
+        return rtmUrl;
+    }
+
+    public void setRtmUrl(String rtmUrl) {
+        this.rtmUrl = rtmUrl;
+    }
 }

jbot/src/main/java/me/ramswaroop/jbot/core/slack/SlackService.java

@@ -30,7 +30,7 @@ public class SlackService {
      * @param slackToken
      */
     public void startRTM(String slackToken) {
-        RTM rtm = slackDao.startRTM(slackToken);
+        RTM rtm = getSlackDao().startRTM(slackToken);
         currentUser = rtm.getUser();
         dmChannels = rtm.getDmChannels();
         webSocketUrl = rtm.getWebSocketUrl();
@@ -73,4 +73,12 @@ public String getWebSocketUrl() {
     public void setWebSocketUrl(String webSocketUrl) {
         this.webSocketUrl = webSocketUrl;
     }
+
+    public SlackDao getSlackDao() {
+        return slackDao;
+    }
+
+    public void setSlackDao(SlackDao slackDao) {
+        this.slackDao = slackDao;
+    }
 }