Add base64 enc/dec

TextUtils/src/main/java/eu/mikroskeem/utils/text/TextUtils.java

@@ -2,6 +2,8 @@ package eu.mikroskeem.utils.text;
 
 import org.jetbrains.annotations.NotNull;
 
+import java.util.Base64;
+
 public class TextUtils {
     /**
      * Check if string contains whitespace
@@ -11,4 +13,22 @@ public class TextUtils {
     public static boolean hasWhitespace(@NotNull String str){
         return !str.matches("\\S+");
     }
+
+    /**
+     * Encode string to Base64 (with padding)
+     * @param str String to encode
+     * @return Base64 encoded string
+     */
+    @NotNull public static String b64enc(@NotNull String str){
+        return Base64.getEncoder().encodeToString(str.getBytes());
+    }
+
+    /**
+     * Decode Base64 to string
+     * @param b64str Base64 encoded string
+     * @return Decoded Base64 string
+     */
+    @NotNull public static String b64dec(@NotNull String b64str){
+        return new String(Base64.getDecoder().decode(b64str));
+    }
 }