Encodeutils. Java Encryption

import java.io.UnsupportedEncodingException;import java.net.URLDecoder;import java.net.URLEncoder;import org.apache.commons.codec.DecoderException;import org.apache.commons.codec.binary.Base64;import org.apache.commons.codec.binary.Hex;import org.apache.commons.lang.StringEscapeUtils;public class EncodeUtils {private static final String DEFAULT_URL_ENCODING = "UTF-8";public static String hexEncode(byte[] input) {return Hex.encodeHexString(input);}public static byte[] hexDecode(String input) {try {return Hex.decodeHex(input.toCharArray());} catch (DecoderException e) {throw new IllegalStateException("Hex Decoder exception", e);}}public static String base64Encode(byte[] input) {return Base64.encodeBase64String(input);}public static String base64UrlSafeEncode(byte[] input) {return Base64.encodeBase64URLSafeString(input);}public static byte[] base64Decode(String input) {return Base64.decodeBase64(input);}public static String urlEncode(String input) {return urlEncode(input, "UTF-8");}public static String urlEncode(String input, String encoding) {try {return URLEncoder.encode(input, encoding);} catch (UnsupportedEncodingException e) {throw new IllegalArgumentException("Unsupported Encoding Exception", e);}}public static String urlDecode(String input) {return urlDecode(input, "UTF-8");}public static String urlDecode(String input, String encoding) {try {return URLDecoder.decode(input, encoding);} catch (UnsupportedEncodingException e) {throw new IllegalArgumentException("Unsupported Encoding Exception", e);}}public static String htmlEscape(String html) {return StringEscapeUtils.escapeHtml(html);}public static String htmlUnescape(String htmlEscaped) {return StringEscapeUtils.unescapeHtml(htmlEscaped);}public static String xmlEscape(String xml) {return StringEscapeUtils.escapeXml(xml);}public static String xtmlUnescape(String xmlEscaped) {return StringEscapeUtils.unescapeXml(xmlEscaped);}}