Package com.arjuna.ats.arjuna.utils

Class Utility

java.lang.Object
com.arjuna.ats.arjuna.utils.Utility
public class Utility extends Object
Various useful functions that we wrap in a single class. Some of these functions are needed simply for backwards compatibility with older versions of Java.
Since:
JTS 1.0.
Version:
$Id: Utility.java 2342 2006-03-30 13:06:17Z $
Author:
Mark Little (mark@arjuna.com)

  • Field Details

    • BACKLOG

      public static final int BACKLOG
      The maximum queue length for incoming connection indications (a request to connect)
      See Also:

    • MAX_PORT

      public static final int MAX_PORT
      Maximum value for a socket port
      See Also:

  • Constructor Details

    • Utility

      public Utility()

  • Method Details

    • intToHexString

      public static String intToHexString(int number) throws NumberFormatException
      Convert integer to hex String.
      Throws:
      NumberFormatException

    • hexStringToInt

      public static int hexStringToInt(String s) throws NumberFormatException
      Convert a hex String to an integer. Be careful of -1. Java IO is really bad!
      Throws:
      NumberFormatException

    • longToHexString

      public static String longToHexString(long number) throws NumberFormatException
      Convert a long to a hex String.
      Throws:
      NumberFormatException

    • hexStringToLong

      public static long hexStringToLong(String s) throws NumberFormatException
      Convert a hex String to a long
      Throws:
      NumberFormatException

    • hostInetAddr

      public static long[] hostInetAddr() throws UnknownHostException
      Returns:
      Long(s) representing the ip v6 address of the local machine. Essentially the bytes of the InetAddress are shuffled into the long(s). This was once part of the Uid class but has been separated for general availability.
      Throws:
      UnknownHostException
      Since:
      JTS 2.1.

    • hostNameToInetAddress

      public static InetAddress hostNameToInetAddress(String host) throws UnknownHostException
      Convert a host name into an InetAddress object
      Parameters:
      host - if empty or null then the loopback address is used
      Returns:
      an InetAddress structure corresponding the desired host name
      Throws:
      UnknownHostException - if the hostname cannot be found

    • getpid

      public static final int getpid()
      Returns:
      the process id. This had better be unique between processes on the same machine. If not we're in trouble!
      Since:
      JTS 2.1.

    • getProcessUid

      public static Uid getProcessUid()
      Returns:
      a Uid representing this process.
      Since:
      JTS 2.1.

    • isWindows

      public static final boolean isWindows()

    • setProcess

      public static final void setProcess(Process p)

    • validatePortRange

      public static void validatePortRange(int port)

    • getDefaultProcessId

      public static String getDefaultProcessId()

    • isAndroid

      public static boolean isAndroid()