Refactored the validFile method

Method is now Java 1.8 compatible

src/com/belkast/soap/fileProcessor.java

@@ -2,10 +2,13 @@ package com.belkast.soap;
 
 import java.io.*;
 import java.nio.charset.CharacterCodingException;
+import java.nio.charset.Charset;
+import java.nio.charset.CharsetDecoder;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.Paths;
 import java.util.*;
+import java.nio.charset.CodingErrorAction;
 
 public class fileProcessor {
 
@@ -72,26 +75,38 @@ public class fileProcessor {
         return returnString;
     }
 
-    public static Boolean validFile(String myFile) {
+    public static boolean validFile(String thisFile)
+    {
+        Path path = Paths.get(thisFile);
+        boolean result = true;
+        long total = 0;
+        InputStreamReader isr = null;
+        char[] buf = new char[65536];
+        int chars;
 
-        Path path = Paths.get(myFile);
+        final CharsetDecoder decoder;
-        try (Reader reader = Files.newBufferedReader(path)) {
+        String charsetName = "UTF-8";
-            int c = reader.read();
+        Charset charset = Charset.forName(charsetName);
-            if (c == 0xfeff)
+        decoder = charset.newDecoder();
-            {
+        decoder.onMalformedInput(CodingErrorAction.REPORT);
-/*                System.out.println("File starts with a byte order mark."); */
+
+        try {
+            isr = new InputStreamReader(new FileInputStream(thisFile), decoder);
+            while ((chars = isr.read(buf)) >= 0)
+                total += chars;
+        } catch (CharacterCodingException ex) {
+            result = false;
+        } catch (IOException ex) {
+            result = false;
+        } finally {
+            if (isr != null)
+                try {
+                    isr.close();
+                } catch (IOException ex) {
+                    System.err.println("Failed to close file: " + ex.toString());
                 }
-            else if (c >= 0)
-            {
-                reader.transferTo(Writer.nullWriter());
         }
-        } catch (CharacterCodingException e) {
+        return result;
-            return false;
-        } catch (IOException e) {
-            return false;
-//          throw new RuntimeException(e);
-        }
-        return true;
     }
 
     public static long numberOfLines(String fileName)