Fixed resource not closing

src/main/java/com/loohp/limbo/File/FileConfiguration.java

@@ -24,9 +24,11 @@ public class FileConfiguration {
 	private Map<String, Object> mapping;
 	private String header;
 	
-	public FileConfiguration(File file) throws FileNotFoundException {
+	public FileConfiguration(File file) throws IOException {
 		if (file.exists()) {
-			reloadConfig(new InputStreamReader(new FileInputStream(file), StandardCharsets.UTF_8));
+			InputStreamReader reader = new InputStreamReader(new FileInputStream(file), StandardCharsets.UTF_8);
+			reloadConfig(reader);
+			reader.close();
 		} else {
 			mapping = new LinkedHashMap<>();
 		}
@@ -113,7 +115,10 @@ public class FileConfiguration {
 		pw.flush();
 		pw.close();
 		
-		return writer.toString();
+		String str = writer.toString();
+		writer.close();
+		
+		return str;
 	}
 	
 	public void saveConfig(File file) throws IOException {

src/main/java/com/loohp/limbo/File/ServerProperties.java

@@ -47,17 +47,23 @@ public class ServerProperties {
 		this.file = file;
 		
 		Properties def = new Properties();
-		def.load(new InputStreamReader(getClass().getClassLoader().getResourceAsStream("server.properties"), StandardCharsets.UTF_8));
+		InputStreamReader defStream = new InputStreamReader(getClass().getClassLoader().getResourceAsStream("server.properties"), StandardCharsets.UTF_8);
+		def.load(defStream);
+		defStream.close();
 		
 		Properties prop = new Properties();
-		prop.load(new InputStreamReader(new FileInputStream(file), StandardCharsets.UTF_8));
+		InputStreamReader stream = new InputStreamReader(new FileInputStream(file), StandardCharsets.UTF_8);
+		prop.load(stream);
+		stream.close();
 		
 		for (Entry<Object, Object> entry : def.entrySet()) {
 			String key = entry.getKey().toString();
 			String value = entry.getValue().toString();
 			prop.putIfAbsent(key, value);
 		}
-		prop.store(new PrintWriter(file, StandardCharsets.UTF_8), COMMENT);
+		PrintWriter pw = new PrintWriter(file, StandardCharsets.UTF_8);
+		prop.store(pw, COMMENT);
+		pw.close();
 
 		protocol = Limbo.getInstance().serverImplmentationProtocol;
 

src/main/java/com/loohp/limbo/Limbo.java

@@ -4,8 +4,8 @@ import java.awt.GraphicsEnvironment;
 import java.awt.image.BufferedImage;
 import java.io.BufferedReader;
 import java.io.File;
+import java.io.FileInputStream;
 import java.io.FileOutputStream;
-import java.io.FileReader;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
@@ -14,6 +14,7 @@ import java.lang.reflect.Method;
 import java.net.URL;
 import java.nio.channels.Channels;
 import java.nio.channels.ReadableByteChannel;
+import java.nio.charset.StandardCharsets;
 import java.nio.file.Files;
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -190,7 +191,9 @@ public class Limbo {
         
         console.sendMessage("Loading packet id mappings from mapping.json ...");
         
-        JSONObject json = (JSONObject) new JSONParser().parse(new FileReader(mappingFile));
+        InputStreamReader reader = new InputStreamReader(new FileInputStream(mappingFile), StandardCharsets.UTF_8);
+        JSONObject json = (JSONObject) new JSONParser().parse(reader);
+        reader.close();
         
         String classPrefix = Packet.class.getName().substring(0, Packet.class.getName().lastIndexOf(".") + 1);
         int mappingsCount = 0;

src/main/java/com/loohp/limbo/Metrics/Metrics.java

@@ -3,7 +3,6 @@ package com.loohp.limbo.Metrics;
 import java.io.ByteArrayOutputStream;
 import java.io.DataOutputStream;
 import java.io.File;
-import java.io.FileNotFoundException;
 import java.io.IOException;
 import java.net.URL;
 import java.util.ArrayList;
@@ -60,9 +59,9 @@ public class Metrics {
      * @param serverUUID The uuid of the server.
      * @param logFailedRequests Whether failed requests should be logged or not.
      * @param logger The logger for the failed requests.
-     * @throws FileNotFoundException 
+     * @throws IOException 
      */
-    public Metrics() throws FileNotFoundException {
+    public Metrics() throws IOException {
     	name = "Limbo";
     	
     	// Get the config file

src/main/java/com/loohp/limbo/Permissions/PermissionsManager.java

@@ -1,7 +1,7 @@
 package com.loohp.limbo.Permissions;
 
 import java.io.File;
-import java.io.FileNotFoundException;
+import java.io.IOException;
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
@@ -23,7 +23,7 @@ public class PermissionsManager {
 	}
 	
 	@SuppressWarnings("unchecked")
-	public void loadDefaultPermissionFile(File file) throws FileNotFoundException {
+	public void loadDefaultPermissionFile(File file) throws IOException {
 		FileConfiguration config = new FileConfiguration(file);
 		permissions.put("default", new ArrayList<>());
 		try {

src/main/java/com/loohp/limbo/World/DimensionRegistry.java

@@ -1,9 +1,11 @@
 package com.loohp.limbo.World;
 
 import java.io.File;
-import java.io.FileReader;
+import java.io.FileInputStream;
 import java.io.IOException;
 import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.nio.charset.StandardCharsets;
 import java.nio.file.Files;
 
 import org.json.simple.JSONObject;
@@ -36,8 +38,8 @@ public class DimensionRegistry {
         
         this.reg = file;
         
-        try {
+        try (InputStreamReader reader = new InputStreamReader(new FileInputStream(reg), StandardCharsets.UTF_8)) {
-			JSONObject json = (JSONObject) new JSONParser().parse(new FileReader(reg));
+			JSONObject json = (JSONObject) new JSONParser().parse(reader);
 			CompoundTag tag = CustomNBTUtils.getCompoundTagFromJson((JSONObject) json.get("value"));
 			defaultTag = tag;
 			codec = defaultTag.clone();