Fully mirgate main source to Java NIO (except some files in tools).

src/main/java/constants/string/CharsetConstants.java

@@ -19,10 +19,11 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import java.io.FileNotFoundException;
-import java.io.FileReader;
 import java.io.IOException;
 import java.nio.charset.Charset;
 import java.nio.charset.StandardCharsets;
+import java.nio.file.Files;
+import java.nio.file.Paths;
 import java.util.Arrays;
 import java.util.Optional;
 
@@ -61,7 +62,7 @@ public class CharsetConstants {
 
     private static String loadCharsetFromConfig() {
         try {
-            YamlReader reader = new YamlReader(new FileReader(YamlConfig.CONFIG_FILE_NAME, StandardCharsets.US_ASCII));
+            YamlReader reader = new YamlReader(Files.newBufferedReader(Paths.get(YamlConfig.CONFIG_FILE_NAME), StandardCharsets.US_ASCII));
             reader.getConfig().readConfig.setIgnoreUnknownProperties(true);
             StrippedYamlConfig charsetConfig = reader.read(StrippedYamlConfig.class);
             reader.close();

src/main/java/provider/DataProviderFactory.java

@@ -24,7 +24,6 @@ package provider;
 import provider.wz.WZFiles;
 import provider.wz.XMLWZFile;
 
-import java.io.File;
 import java.nio.file.Path;
 
 public class DataProviderFactory {

src/main/java/provider/wz/WZFiles.java

@@ -1,6 +1,6 @@
 package provider.wz;
 
-import java.io.File;
+import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.Paths;
 
@@ -38,7 +38,7 @@ public enum WZFiles {
     private static String getWzDirectory() {
         // Either provide a custom directory path through the "wz-path" property when launching the .jar, or don't provide one to use the default "wz" directory
         String propertyPath = System.getProperty("wz-path");
-        if (propertyPath != null && new File(propertyPath).isDirectory()) {
+        if (propertyPath != null && Files.isDirectory(Paths.get(propertyPath))) {
             return propertyPath;
         }
 

src/main/java/provider/wz/XMLDomMapleData.java

@@ -34,7 +34,6 @@ import javax.xml.parsers.DocumentBuilder;
 import javax.xml.parsers.DocumentBuilderFactory;
 import javax.xml.parsers.ParserConfigurationException;
 import java.awt.*;
-import java.io.File;
 import java.io.FileInputStream;
 import java.io.IOException;
 import java.nio.file.Path;

src/main/java/scripting/AbstractScriptManager.java

@@ -28,9 +28,12 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import javax.script.*;
-import java.io.File;
-import java.io.FileReader;
+
+import java.io.BufferedReader;
 import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
 
 /**
  * @author Matze
@@ -45,8 +48,8 @@ public abstract class AbstractScriptManager {
 
     protected ScriptEngine getInvocableScriptEngine(String path) {
         path = "scripts/" + path;
-        File scriptFile = new File(path);
-        if (!scriptFile.exists()) {
+        Path scriptFile = Paths.get(path);
+        if (!Files.exists(scriptFile)) {
             return null;
         }
 
@@ -57,8 +60,8 @@ public abstract class AbstractScriptManager {
 
         enableScriptHostAccess(graalScriptEngine);
 
-        try (FileReader fr = new FileReader(scriptFile, CharsetConstants.CHARSET)) {
-            engine.eval(fr);
+        try (BufferedReader br = Files.newBufferedReader(scriptFile, CharsetConstants.CHARSET)) {
+            engine.eval(br);
         } catch (final ScriptException | IOException t) {
             log.warn("Exception during script eval for file: {}", path, t);
             return null;