no fml rejection message

closes #1

gradle.properties

@@ -1,5 +1,5 @@
 modGroup=net.stonebound
-modVersion=1.1.2-SNAPSHOT
+modVersion=1.2.0
 modBaseName=customreject
 forgeVersion=1.12.2-14.23.5
 forgeBuild=2838

src/main/java/net/stonebound/customreject/CustomReject.java

@@ -11,7 +11,7 @@
 import net.minecraftforge.fml.common.eventhandler.SubscribeEvent;
 import org.apache.logging.log4j.Logger;
 
-@Mod(modid = CustomReject.MODID, name = "Custom Mod Rejection", version = "1.1.2", acceptableRemoteVersions = "*")
+@Mod(modid = CustomReject.MODID, name = "Custom Mod Rejection", version = "1.2.0", acceptableRemoteVersions = "*")
 public class CustomReject {
     public static final String MODID = "creject";
     private static Logger logger;
@@ -36,5 +36,10 @@ public static class ModConfig {
 
         @Comment("Include default mismatch message [default: true]")
         public static boolean includeMismatchedMods = true;
+
+        @Comment("Rejection Message if no FML was found on the client [default: \"This server has mods that require FML/Forge to be installed on "
+                + "the client. Contact your server admin for more details.\"]")
+        public static String rejectionMessageNoFML = "This server has mods that require FML/Forge to be installed on the client. Contact your server "
+                + "admin for more details.";
     }
 }

src/main/java/net/stonebound/customreject/mixin/MixinFMLCommonHandler.java

@@ -0,0 +1,18 @@
+package net.stonebound.customreject.mixin;
+
+import net.minecraft.util.text.TextComponentString;
+import net.minecraftforge.fml.common.FMLCommonHandler;
+import net.stonebound.customreject.CustomReject;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.ModifyVariable;
+
+@Mixin(value = FMLCommonHandler.class, priority = 1001, remap = false)
+public class MixinFMLCommonHandler {
+    @ModifyVariable(method = "handleServerHandshake",
+            at = @At(value = "STORE", ordinal = 1), name = "text")
+    private TextComponentString text(TextComponentString text) {
+        return new TextComponentString(CustomReject.ModConfig.rejectionMessageNoFML);
+    }
+}
+

src/main/resources/mixins.customreject.json

@@ -6,6 +6,7 @@
     "compatibilityLevel": "JAVA_8",
     "refmap": "mixins.customreject.refmap.json",
     "mixins": [
-        "MixinFMLNetworkHandler"
+        "MixinFMLNetworkHandler",
+        "MixinFMLCommonHandler"
     ]
 }