read from file persists over client restarts

build.gradle

@@ -28,6 +28,8 @@ dependencies {
 
 	// Serialization
 	compile group: 'com.alibaba', name: 'fastjson', version: '1.2.56'
+	compile group: 'com.googlecode.json-simple', name: 'json-simple', version: '1.1'
+
 
 	// PSA: Some older mods, compiled on Loom 0.2.1, might have outdated Maven POMs.
 	// You may need to force-disable transitiveness on them.

src/main/java/com/josyf/macrobuttons/ConfigFile.java

@@ -1,14 +1,24 @@
 package com.josyf.macrobuttons;
 
 import com.alibaba.fastjson.JSON;
+import com.alibaba.fastjson.JSONObject;
 import com.josyf.macrobuttons.gui.ButtonGUI;
+import io.netty.channel.group.ChannelGroupFuture;
+import net.minecraft.client.MinecraftClient;
+import org.json.simple.parser.JSONParser;
+import org.json.simple.parser.ParseException;
 
-import java.io.FileWriter;
+import java.io.*;
-import java.io.IOException;
+import java.util.logging.Level;
 
 public class ConfigFile {
 
-    private static FileWriter file;
+
+    static JSONParser parser = new JSONParser();
+
+    private static FileWriter fileWriter;
+    private static FileReader fileReader;
+    private static File file;
     //private static final String configSettings = ButtonGUI.getConfig();
 
     public static void serializeCommand() {
@@ -23,7 +33,8 @@ public class ConfigFile {
         if (JSONConfig == null) {
             MacroButtons.sayMessage("GUI Configuration not yet initialized!");
         } else {
-            String deserializedMessage = JSON.parseObject(JSONConfig, String.class);
+            //String deserializedMessage = JSON.parseObject(JSONConfig, String.class);
+            String deserializedMessage = readFile();
             MacroButtons.sayMessage(deserializedMessage);
         }
     }
@@ -31,19 +42,35 @@ public class ConfigFile {
     private static void writeToFile(String jsonMessage) {
         try {
             // these both write to the correct location
-            file = new FileWriter("commands.json");
+            fileWriter = new FileWriter("commands.json");
             // file = new FileWriter(MinecraftClient.getInstance().runDirectory + "/command.json");
-            file.write(jsonMessage);
+            fileWriter.write(jsonMessage);
         } catch (IOException e) {
             e.printStackTrace();
         } finally {
             try {
-                file.flush();
+                fileWriter.flush();
-                file.close();
+                fileWriter.close();
             } catch (IOException e) {
                 e.printStackTrace();
             }
         }
 
     }
+
+    public static String readFile() {
+        try {
+            Object obj = parser.parse(new FileReader("commands.json"));
+            String jsonString = JSONObject.toJSONString(obj);
+            System.out.println(jsonString);
+            return jsonString;
+        } catch (FileNotFoundException e) {
+            e.printStackTrace();
+        } catch (ParseException e) {
+            e.printStackTrace();
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+        return "Not yet initialized yo";
+    }
 }

src/main/java/com/josyf/macrobuttons/gui/ButtonGUI.java

@@ -14,7 +14,7 @@ public class ButtonGUI extends LightweightGuiDescription {
     int xValue = 0;
     int yValue = 1;
 
-    private static String ConfigSettings;
+    private static String ConfigSettings = ConfigFile.readFile();
 
     public ButtonGUI() {
 
@@ -39,6 +39,13 @@ public class ButtonGUI extends LightweightGuiDescription {
         });
         root.add(button2, xValue + 2, yValue, 4, 1);
 
+        // read json file button
+        WButton button3 = new WButton(new TranslatableText("Read command json"));
+        button3.setOnClick(() -> {
+            ConfigFile.readFile();
+        });
+        root.add(button3, xValue + 6, yValue + 2, 4, 1);
+
         // Text GUI, not needed yet
         // WLabel label = new WLabel(new LiteralText("Test"), 0xFFFFFF);
         // root.add(label, 0, 4, 2, 1);