support 1.7 servers

src/main/java/cc.fascinated/common/JavaMinecraftVersion.java

@@ -1,6 +1,7 @@
 package cc.fascinated.common;
 
 import lombok.Getter;
+import lombok.NonNull;
 import lombok.RequiredArgsConstructor;
 import lombok.ToString;
 import lombok.extern.log4j.Log4j2;
@@ -65,6 +66,8 @@ public enum JavaMinecraftVersion {
 
     V1_8(47, "v1_8_R3"), // 1.8.x
 
+    V1_7_6(5, "v1_7_R4"), // 1.7.6 - 1.7.10
+
     UNKNOWN(-1, "Unknown");
 
     // Game Updates
@@ -82,6 +85,8 @@ public enum JavaMinecraftVersion {
     public static final JavaMinecraftVersion THE_COMBAT_UPDATE = JavaMinecraftVersion.V1_9;
     public static final JavaMinecraftVersion BOUNTIFUL_UPDATE = JavaMinecraftVersion.V1_8;
 
+    private static final JavaMinecraftVersion[] VALUES = JavaMinecraftVersion.values();
+
     /**
      * The protocol number of this version.
      */
@@ -170,6 +175,16 @@ public enum JavaMinecraftVersion {
         return this.protocol <= other.getProtocol();
     }
 
+    /**
+     * Get the minimum Minecraft version.
+     *
+     * @return the minimum version
+     */
+    @NonNull
+    public static JavaMinecraftVersion getMinimumVersion() {
+        return VALUES[VALUES.length - 2];
+    }
+
     /**
      * Get the version from the given protocol.
      *

src/main/java/cc.fascinated/model/server/JavaMinecraftServer.java

@@ -4,7 +4,7 @@ import cc.fascinated.Main;
 import cc.fascinated.common.JavaMinecraftVersion;
 import cc.fascinated.common.ServerUtils;
 import cc.fascinated.config.Config;
-import cc.fascinated.model.mojang.JavaServerStatusToken;
+import cc.fascinated.model.token.JavaServerStatusToken;
 import com.google.gson.annotations.SerializedName;
 import lombok.*;
 import net.md_5.bungee.api.chat.TextComponent;

src/main/java/cc.fascinated/model/token/JavaServerStatusToken.java

@@ -1,4 +1,4 @@
-package cc.fascinated.model.mojang;
+package cc.fascinated.model.token;
 
 import cc.fascinated.model.server.JavaMinecraftServer;
 import cc.fascinated.model.server.MinecraftServer;

src/main/java/cc.fascinated/service/pinger/impl/JavaMinecraftServerPinger.java

@@ -2,12 +2,13 @@ package cc.fascinated.service.pinger.impl;
 
 import cc.fascinated.Main;
 import cc.fascinated.common.DNSUtils;
+import cc.fascinated.common.JavaMinecraftVersion;
 import cc.fascinated.common.ServerUtils;
 import cc.fascinated.common.packet.impl.java.JavaPacketHandshakingInSetProtocol;
 import cc.fascinated.common.packet.impl.java.JavaPacketStatusInStart;
 import cc.fascinated.exception.impl.BadRequestException;
 import cc.fascinated.exception.impl.ResourceNotFoundException;
-import cc.fascinated.model.mojang.JavaServerStatusToken;
+import cc.fascinated.model.token.JavaServerStatusToken;
 import cc.fascinated.model.server.JavaMinecraftServer;
 import cc.fascinated.service.pinger.MinecraftServerPinger;
 import lombok.extern.log4j.Log4j2;
@@ -42,12 +43,11 @@ public final class JavaMinecraftServerPinger implements MinecraftServerPinger<Ja
             try (DataInputStream inputStream = new DataInputStream(socket.getInputStream());
                  DataOutputStream outputStream = new DataOutputStream(socket.getOutputStream())) {
                 // Begin handshaking with the server
-                new JavaPacketHandshakingInSetProtocol(hostname, port, 47).process(inputStream, outputStream);
+                new JavaPacketHandshakingInSetProtocol(hostname, port, JavaMinecraftVersion.getMinimumVersion().getProtocol()).process(inputStream, outputStream);
 
                 // Send the status request to the server, and await back the response
                 JavaPacketStatusInStart packetStatusInStart = new JavaPacketStatusInStart();
                 packetStatusInStart.process(inputStream, outputStream);
-                System.out.println(packetStatusInStart.getResponse());
                 JavaServerStatusToken token = Main.GSON.fromJson(packetStatusInStart.getResponse(), JavaServerStatusToken.class);
                 return JavaMinecraftServer.create(hostname, ip, port, token);
             }