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// $Id$
// ============================================================================
//
// = LIBRARY
// TAO/examples/Simple/time
//
// = FILENAME
// Time_Client.java
//
// = DESCRIPTION
// This class implements a Java client interface to the Time example.
//
// = AUTHOR
// Martin Krumpolec <krumpo@pobox.sk>
//
// ============================================================================
import JACE.Misc.GetOpt;
import org.omg.CosNaming.*;
import org.omg.CORBA.*;
import java.io.*;
public class Time_Client
{
private ORB orb = null;
private org.omg.CORBA.Object timeRef = null;
private boolean shutdown = false;
private boolean use_naming_service = false;
private String ior_file = null;
private String ior = null;
Time_Client (String args [])
{
orb = ORB.init (args, null);
parse_args (args);
}
private void parse_args (String args[])
{
GetOpt getopt = new GetOpt (args, "k:f:xn");
int ch = -1;
while ((ch = getopt.next ()) != -1)
{
switch (ch)
{
case 'k':
ior = getopt.opt_arg () ();
break;
case 'f':
ior_file = getopt.opt_arg () ();
try
{
java.io.FileInputStream file =
new FileInputStream(ior_file);
java.io.BufferedReader myInput =
new BufferedReader
(new InputStreamReader (file));
ior = myInput.readLine();
}
catch (Exception e)
{
System.out.println ("Error: " + e);
}
break;
case 'x':
shutdown = true;
break;
case 'n':
use_naming_service = true;
break;
default:
break;
}
}
return;
}
private Time get_time_object ()
{
if (ior != null)
{
org.omg.CORBA.Object objref = orb.string_to_object (ior);
return TimeHelper.narrow (objref);
}
else
{
if (use_naming_service)
{
// Use multicast to obtain NS handle.
NS_Resolve ns_resolve =
new NS_Resolve (null);
org.omg.CORBA.Object objRef =
ns_resolve.resolve_name_service (orb);
// Get the root naming context.
NamingContext ncRef =
NamingContextHelper.narrow (objRef);
System.out.println ("got initial NS reference");
// Resolve the Object Reference in Naming.
NameComponent nc =
new NameComponent ("Time", "");
NameComponent path[] = {nc};
try
{
return TimeHelper.narrow (ncRef.resolve (path));
}
catch (Exception e)
{
System.out.println ("Error: " + e);
}
}
}
return null;
}
public static void main (String args[])
{
try
{
Time_Client client = new Time_Client (args);
Time timeRef = client.get_time_object ();
if (timeRef == null)
{
System.out.println ("Unable to resolve Time.");
System.exit (-1);
}
// Call the Time server object and print results.
int time = timeRef.current_time ();
java.util.Date date =
new java.util.Date (((long) time) * 1000);
System.out.println ("string time is " + date);
if (client.shutdown)
{
timeRef.shutdown ();
System.out.println ("Shutting down server ...");
}
}
catch (Exception e)
{
System.out.println ("ERROR : " + e) ;
e.printStackTrace (System.out);
}
}
}
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