String<->unicode

public static String StringToUnicode(String inStr) {
               char[] myBuffer = inStr.toCharArray();
               
                StringBuffer sb = new StringBuffer();
                 for (int i = 0; i < inStr.length(); i++) {
                  UnicodeBlock ub = UnicodeBlock.of(myBuffer[i]);
                     if(ub == UnicodeBlock.BASIC_LATIN){
                      sb.append(myBuffer[i]);
                     }else if(ub == UnicodeBlock.HALFWIDTH_AND_FULLWIDTH_FORMS){
                      int j = (int) myBuffer[i] - 65248;
                      sb.append((char)j);
                     }else{
                      char s = (char) myBuffer[i];
                         String hexS = Integer.toHexString(s);
                         String unicode = "\\u"+hexS;
                      sb.append(unicode.toLowerCase());
                     }
                 }
                 return sb.toString();
             }





 public static String unicodeToString(String theString) {
                   char aChar;
                   int len = theString.length();
                   StringBuffer outBuffer = new StringBuffer(len);
                   for (int x = 0; x < len;) {
                    aChar = theString.charAt(x++);
                    if (aChar == '\\') {
                     aChar = theString.charAt(x++);
                     if (aChar == 'u') {
                      int value = 0;
                      for (int i = 0; i < 4; i++) {
                       aChar = theString.charAt(x++);
                       switch (aChar) {
                       case '0':
                       case '1':
                       case '2':
                       case '3':
                       case '4':
                       case '5':
                       case '6':
                       case '7':
                       case '8':
                       case '9':
                        value = (value << 4) + aChar - '0';
                        break;
                       case 'a':
                       case 'b':
                       case 'c':
                       case 'd':
                       case 'e':
                       case 'f':
                        value = (value << 4) + 10 + aChar - 'a';
                        break;
                       case 'A':
                       case 'B':
                       case 'C':
                       case 'D':
                       case 'E':
                       case 'F':
                        value = (value << 4) + 10 + aChar - 'A';
                        break;
                       default:
                        throw new IllegalArgumentException(
                          "Malformed   \\uxxxx   encoding.");
                       }
                      }
                      outBuffer.append((char) value);
                     } else {
                      if (aChar == 't')
                       aChar = '\t';
                      else if (aChar == 'r')
                       aChar = '\r';
                      else if (aChar == 'n')
                       aChar = '\n';
                      else if (aChar == 'f')
                       aChar = '\f';
                      outBuffer.append(aChar);
                     }
                    } else
                     outBuffer.append(aChar);
                   }
                   return outBuffer.toString();
                  }