src/main/java/org/wymiwyg/commons/util/Util.java
public static String bytes2HexString(byte[] bytes) {
		StringBuffer resultBuffer = new StringBuffer();
		for (int i = 0; i < bytes.length; i++) {
			resultBuffer.append(byte2Hex(bytes[i]));
		}
		return resultBuffer.toString();
	}
public static String bytes2HexString(byte[] bytes) {
		StringBuffer resultBuffer = new StringBuffer();
		for (int i = 0; i < bytes.length; i++) {
			resultBuffer.append(byte2Hex(bytes[i]));
		}
		return resultBuffer.toString();
	}
Converts an array of bytes to a string of two digits hex-representations

@param bytes
@return