chat -> MC bridge

src/main/java/arcanitor/civilengineering/CivilEngineering.java

@@ -1,7 +1,9 @@
 package arcanitor.civilengineering;
 
 import arcanitor.civilengineering.eventhandlers.FMLEventHandler;
-import arcanitor.civilengineering.network.NetworkHandler;
+import arcanitor.civilengineering.bridge.MessageHandler;
+import arcanitor.civilengineering.server.ServerChatWriter;
+import net.minecraftforge.common.MinecraftForge;
 import net.minecraftforge.fml.common.Mod;
 import net.minecraftforge.fml.common.event.*;
 import org.apache.logging.log4j.Logger;
@@ -23,8 +25,7 @@ public class CivilEngineering {
     public static CivilEngineering instance;
 
     public static Logger logger;
-    public static Thread networkThread = new Thread(new NetworkHandler());
-
+    public static Thread networkThread = new Thread(new MessageHandler());
 
     @Mod.EventHandler
     public void preInit(FMLPreInitializationEvent event) {
@@ -41,6 +42,7 @@ public class CivilEngineering {
     @Mod.EventHandler
     public void postInit(FMLPostInitializationEvent event) {
         FMLEventHandler.postInit(event);
+        MinecraftForge.EVENT_BUS.register(ServerChatWriter.class);
     }
 
     @Mod.EventHandler

src/main/java/arcanitor/civilengineering/Config.java

@@ -1,7 +1,6 @@
 package arcanitor.civilengineering;
 
 import arcanitor.civilengineering.eventhandlers.FMLEventHandler;
-import arcanitor.civilengineering.network.NetworkHandler;
 import net.minecraftforge.common.config.Configuration;
 import org.apache.logging.log4j.Level;
 
@@ -13,6 +12,8 @@ public class Config {
     public static boolean relayAdvancements = false; //unused for now
 
     public static String connectURL = "localhost";
+    public static String authToken = "";
+    public static String gateway = "";
 
     public static void readConfig() {
         Configuration config = FMLEventHandler.config;
@@ -43,12 +44,26 @@ public class Config {
                 false,
                 "This option does nothing as advancement relays are not implemented."
         );
+
         connectURL = cfg.getString(
                 "connectURL",
                 CATEGORY_CONNECTION,
-                "localhost",
-                "The URL or IP address of the bridge server"
+                "http://example.com:1234",
+                "The URL or IP address of the bridge server, ex. http://example.com:1234"
         );
+        authToken = cfg.getString(
+                "auth_token",
+                CATEGORY_CONNECTION,
+                "",
+                "Auth token used to connect to the bridge server"
+        );
+        gateway = cfg.getString(
+                "gateway",
+                CATEGORY_CONNECTION,
+                "",
+                "MatterBridge gateway"
+        );
+
 
     }
 

src/main/java/arcanitor/civilengineering/bridge/ApiMessage.java

@@ -0,0 +1,47 @@
+package arcanitor.civilengineering.bridge;
+
+import arcanitor.civilengineering.CivilEngineering;
+import arcanitor.civilengineering.Config;
+import com.google.gson.Gson;
+
+public class ApiMessage {
+    private String text = "";
+    private String channel = "";
+    private String username = "";
+    private String userid = "";
+    private String avatar = "";
+    private String gateway = "";
+    private String event = "";
+
+    public ApiMessage(String user, String msg) {
+        this.username = user;
+        this.text = msg;
+        this.gateway = Config.gateway;
+
+    }
+
+    public static ApiMessage decode(String json) {
+        Gson gson = new Gson();
+        ApiMessage msg = gson.fromJson(json, ApiMessage.class);
+        return msg;
+
+    }
+
+    public String encode() {
+        Gson gson = new Gson();
+        return gson.toJson(this);
+    }
+
+    public String getUsername() {
+        return this.username;
+    }
+
+    public String getMessage() {
+        return this.text;
+    }
+
+    public String getEvent() {
+        return this.event;
+    }
+
+}

src/main/java/arcanitor/civilengineering/bridge/MessageHandler.java

@@ -0,0 +1,56 @@
+package arcanitor.civilengineering.bridge;
+
+import arcanitor.civilengineering.CivilEngineering;
+import arcanitor.civilengineering.Config;
+import arcanitor.civilengineering.server.ServerChatWriter;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.net.HttpURLConnection;
+import java.net.URL;
+import java.net.URLConnection;
+
+public class MessageHandler implements Runnable {
+    private HttpURLConnection connection = null;
+
+    public void run() {
+        CivilEngineering.logger.info("Network Thread starting.");
+        try {
+            connect(Config.connectURL,Config.authToken);
+            BufferedReader input =
+                    new BufferedReader(new InputStreamReader(connection.getInputStream()));
+            String line;
+            while ((line = input.readLine( )) != null) {
+                CivilEngineering.logger.debug(line);
+                ServerChatWriter.messages.add(ApiMessage.decode(line));
+                Thread.sleep(1);
+            }
+
+        } catch (Exception e) {
+
+            if (e instanceof InterruptedException) {
+                connection.disconnect();    //close the connection
+                CivilEngineering.logger.info("Bridge demolished!");
+            } else if (e instanceof IOException) {
+                CivilEngineering.logger.error("Bridge construction failed!");
+                CivilEngineering.logger.error(e.getMessage());
+            }
+        }
+
+    }
+
+    private void connect(String serverURL, String token) throws IOException {
+        URL url = new URL(serverURL+"/api/stream");   //parse the server URL
+        URLConnection urlConnection = url.openConnection();
+
+        //set connection properties
+        connection = (HttpURLConnection)urlConnection;
+        connection.setAllowUserInteraction(false);
+        connection.setInstanceFollowRedirects(true);
+
+        if (token != null) {
+            connection.setRequestProperty ("Authorization", "Bearer " + token);
+        }
+    }
+}

src/main/java/arcanitor/civilengineering/eventhandlers/FMLEventHandler.java

@@ -3,7 +3,6 @@ package arcanitor.civilengineering.eventhandlers;
 
 import arcanitor.civilengineering.CivilEngineering;
 import arcanitor.civilengineering.Config;
-import arcanitor.civilengineering.network.NetworkHandler;
 import net.minecraftforge.common.config.Configuration;
 import net.minecraftforge.fml.common.event.FMLPostInitializationEvent;
 import net.minecraftforge.fml.common.event.FMLPreInitializationEvent;

src/main/java/arcanitor/civilengineering/network/NetworkHandler.java

@@ -1,9 +0,0 @@
-package arcanitor.civilengineering.network;
-
-import arcanitor.civilengineering.CivilEngineering;
-
-public class NetworkHandler implements Runnable {
-    public void run() {
-        CivilEngineering.logger.info("Network Thread");
-    }
-}

src/main/java/arcanitor/civilengineering/server/ServerChatWriter.java

@@ -0,0 +1,36 @@
+package arcanitor.civilengineering.server;
+
+import arcanitor.civilengineering.CivilEngineering;
+import arcanitor.civilengineering.bridge.ApiMessage;
+import net.minecraft.util.text.TextComponentString;
+import net.minecraftforge.fml.common.FMLCommonHandler;
+import net.minecraftforge.fml.common.eventhandler.SubscribeEvent;
+import net.minecraftforge.fml.common.gameevent.TickEvent;
+
+import java.util.concurrent.ConcurrentLinkedQueue;
+
+public class ServerChatWriter {
+    public static ConcurrentLinkedQueue<ApiMessage> messages = new ConcurrentLinkedQueue();
+
+    @SubscribeEvent
+    public static void onServerUpdate(TickEvent.ServerTickEvent event) {
+        ApiMessage nextMessage = messages.poll();
+
+        if (nextMessage != null) {
+            CivilEngineering.logger.info("Processing message");
+            String user = nextMessage.getUsername();
+            String text = nextMessage.getMessage().trim();
+
+            String message;
+
+            if (!text.isEmpty()) {
+                if (nextMessage.getEvent() == "user_action") {
+                    message = "* " + user + " " + text;
+                } else {
+                    message = "<" + user + "> " + text;
+                }
+                FMLCommonHandler.instance().getMinecraftServerInstance().getPlayerList().sendMessage(new TextComponentString(message));
+            }
+        }
+    }
+}