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

package eu.mikroskeem.utils.text;

import org.jetbrains.annotations.NotNull;

import java.util.Base64;

public class TextUtils {
    /**
     * Check if string contains whitespace
     * @param str String to check
     * @return Whether string contained whitespace or not
     */
    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));
    }
}