add setBotCommand

src/main/java/de/mrbesen/telegram/TelegramAPI.java

@@ -31,9 +31,15 @@ import java.io.OutputStreamWriter;
 import java.net.HttpURLConnection;
 import java.net.URL;
 import java.net.URLEncoder;
-import java.util.LinkedList;
-import java.util.List;
-import java.util.Scanner;
+import java.util.*;
+import java.util.function.BiConsumer;
+import java.util.function.BinaryOperator;
+import java.util.function.Function;
+import java.util.function.Supplier;
+import java.util.stream.Collector;
+
+import static java.util.stream.Collector.Characteristics.IDENTITY_FINISH;
+import static java.util.stream.Collector.Characteristics.UNORDERED;
 
 public class TelegramAPI implements Runnable {
 
@@ -239,6 +245,47 @@ public class TelegramAPI implements Runnable {
 		return null;
 	}
 
+	/**
+	 * is always async
+	 * @param cmds cmdname -> description
+	 */
+	public void setBotCommand(Map<String, String> cmds) {
+		//build json obj
+		JSONArray arr = cmds.entrySet().stream().map(e -> new JSONObject().put("command", e.getKey()).put("description", e.getKey())).collect(new Collector<JSONObject, JSONArray, JSONArray>() {
+			@Override
+			public Supplier<JSONArray> supplier() {
+				return JSONArray::new;
+			}
+
+			@Override
+			public BiConsumer<JSONArray, JSONObject> accumulator() {
+				return JSONArray::put;
+			}
+
+			@Override
+			public BinaryOperator<JSONArray> combiner() {
+				return (a,b) -> { b.forEach(a::put); return b; };
+			}
+
+			@Override
+			public Function<JSONArray, JSONArray> finisher() {
+				return a -> a;
+			}
+
+			@Override
+			public Set<Characteristics> characteristics() {
+				Set<Characteristics> c = new HashSet<>();
+				c.add(IDENTITY_FINISH);
+				c.add(UNORDERED);
+				return c;
+			}
+		});
+
+		//commit
+		Task t = new Task("setBotCommand", "commands=" + arr.toString(), null);
+		async.enque(t);
+	}
+
 	public void sendTypedMessage(final String msg, final TUser user, final int seconds) {
 		new Thread(new Runnable() {
 			@Override

src/main/java/de/mrbesen/telegram/commands/CommandManager.java

@@ -35,7 +35,7 @@ public class CommandManager {
 				try {
 					if(cmdhand instanceof JSONCommandHandler) {
 						result = ((JSONCommandHandler) cmdhand).onCommand(sender, cmd, args, json);
-					} else if( cmdhand instanceof CommandHandler){
+					} else if( cmdhand instanceof CommandHandler) {
 						result = ((CommandHandler) cmdhand).onCommand(sender, cmd, args);
 					}
 					if(result)
@@ -53,13 +53,14 @@ public class CommandManager {
 	}
 
 	public void registerCommand(ICommandHandler handler) {
-		registerCommand(null, handler);
-	}
-
-	public void registerCommand(String cmd, ICommandHandler handler) {
 		if(handler == null) {
 			throw new NullPointerException("handler is not allowed to be null");
 		}
 		handlerlist.add(handler);
 	}
+
+	@Deprecated
+	public void registerCommand(String cmd, ICommandHandler handler) {
+		registerCommand(handler);
+	}
 }