hhms
Class HTTPConnection

java.lang.Object
  hhms.HTTPConnection

public class HTTPConnection

extends java.lang.Object

A HTTPConnection is a active HTTP connection to HHMS Gateway. A client uses a HTTPConnection to create one or more TopicConnections for producing and consuming messages. Must implements ErroHandler to receive error messages.

Sample code:
public void init() {
HTTPConnection = new hhms.HTTPConnection("http://156.xx.xxx.xx:5xxx", user, this, interval);
TopicSession ts = conn.createTopicSession();
ts.setPubSub(topic);
ts.setMessageListener(this);
}

Title: HTTPConnection

Copyright: Copyright (c) 2004

Company: CommunityGrids Labs at Indiana University

Constructor Summary

HTTPConnection(java.lang.String uri, java.lang.String userID, ErrorHandler eh)
Class Constructor

HTTPConnection(java.lang.String uri, java.lang.String userID, ErrorHandler eh, int interval)
Class Constructor specifying interval to polling

Method Summary

void	close() close HTTPConnection because HTTP is stateless connection, this close just send logout message to HHMS Gateway.
hhms.soap.SOAPSession	createSOAPSession() create and return a new SOAPSession
TopicSession	createTopicSession() create and return a new TopicSession
void	pollDisable() Enable polling from a disabled state
void	pollEnable() Disable polling from a Enabled state

Methods inherited from class java.lang.Object

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

Constructor Detail

HTTPConnection

public HTTPConnection(java.lang.String uri,
                      java.lang.String userID,
                      ErrorHandler eh)

Class Constructor

Parameters:

uri - a uri of HHMS Gateway (e.g. http://somewhere.ucs.indiana.edu:1234)

userID - a user name as a identification

eh - an error handler object

HTTPConnection

public HTTPConnection(java.lang.String uri,
                      java.lang.String userID,
                      ErrorHandler eh,
                      int interval)

Class Constructor specifying interval to polling

Parameters:

uri - a uri of HHMS Gateway (e.g. http://somewhere.ucs.indiana.edu:1234)

userID - a user name as a identification

eh - an error handler object

interval - a interval between HTTP polling

Method Detail

createTopicSession

public TopicSession createTopicSession()

create and return a new TopicSession

Returns:

new TopicSession

See Also:

TopicSession

createSOAPSession

public hhms.soap.SOAPSession createSOAPSession()

create and return a new SOAPSession

Returns:

new SOAPSession

See Also:

SOAPSession

pollEnable

public void pollEnable()

Disable polling from a Enabled state

pollDisable

public void pollDisable()

Enable polling from a disabled state

close

public void close()

close HTTPConnection

because HTTP is stateless connection, this close just send logout message to HHMS Gateway.