hadoop utilities : StringUtil 2

gistfile1.java

import org.apache.hadoop.util.StringUtils;

// ----------------- String Utils : bytes <--> hex ---------
String s = "aj89y1_xxy";
byte[] b = s.getBytes();
String hex = StringUtils.byteToHexString(b);
byte[] b2 = StringUtils.hexStringToByte(hex);
String s2 = new String(b2);
System.out.println(s + " --> " + hex + " <-- " + s2);

/* output:
aj89y1_xxy --> 616a383979315f787879 <-- aj89y1_xxy
*/