demo.tsp.connections.tcpip
Class TspTcpIpClient

java.lang.Object
  demo.tsp.connections.tcpip.TspTcpIpClient

public class TspTcpIpClient
extends java.lang.Object

This class implements the TSP TCP/IP client connection. For details please refer to:
RFC 3161.

Field Summary

protected static int	DEFAULT_PORT The default port
protected static java.lang.String	DEFAULT_URL The url of the default tsa server
protected static org.apache.commons.logging.Log	log The logger for this class.
protected static java.lang.String	MESSAGE Message to be time stamped

Constructor Summary

TspTcpIpClient(java.lang.String url, int port)
Initializes a client socket with the given URL and port number.

Method Summary

static void	main(java.lang.String[] args) Creates a time stamp request and sends it to the specified server.
TspTcpIpResponse	sendAndReceiveData(TimeStampReq request) This method sends a TimeStampReq to the specified time stamping server.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

log

protected static org.apache.commons.logging.Log log

The logger for this class.

DEFAULT_URL

protected static final java.lang.String DEFAULT_URL

The url of the default tsa server

See Also:

Constant Field Values

DEFAULT_PORT

protected static final int DEFAULT_PORT

The default port

See Also:

Constant Field Values

MESSAGE

protected static final java.lang.String MESSAGE

Message to be time stamped

See Also:

Constant Field Values

Constructor Detail

TspTcpIpClient

public TspTcpIpClient(java.lang.String url,
                      int port)

Initializes a client socket with the given URL and port number.

Parameters:

url - URL to connect.

port - Port to connect.

Method Detail

sendAndReceiveData

public TspTcpIpResponse sendAndReceiveData(TimeStampReq request)
                                    throws java.lang.NullPointerException,
                                           java.io.IOException,
                                           TspTcpIpFormatException,
                                           CodingException

This method sends a TimeStampReq to the specified time stamping server. The method waits until the server sends a TspHttpResponse back.

Parameters:

request - The TimeStampReq.

Returns:

The received TspHttpResponse

Throws:

java.lang.NullPointerException - Thrown if the given argument is null.

java.io.IOException - Thrown if a time out or any other IO exception occurs.

TspTcpIpFormatException - Thrown if the received data is a not supported response format.

CodingException - Thrown if the received data could not be parsed.

main

public static void main(java.lang.String[] args)

Creates a time stamp request and sends it to the specified server.
2 Arguments present: 1 => server and 2 => port
1 Argument present: 1 => server and port 318 will be used
0 Arguments present: tsp.iaik.at and port 318 will be used

Parameters:

args - The first argument is the server and the second is the port