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Home -> Cog -> Distribution -> 1.2 -> Api -> Org -> Globus -> Gram

org.globus.gram
Class CallbackHandler

java.lang.Object
  org.globus.net.BaseServer
      org.globus.gram.CallbackHandler

All Implemented Interfaces:

Runnable

public class CallbackHandler

extends BaseServer

The Server class acts as a basic multi-threaded HTTPS server.

Version:

$Revision: 1.25.2.6 $

Field Summary

Fields inherited from class org.globus.net.BaseServer

_server, accept, authorization, credentials, deactivator, gssMode, SO_TIMEOUT, timeout, url

Constructor Summary

CallbackHandler()
Construct a GRAM callback handler with default user credentials.

CallbackHandler(GSSCredential cred, int port)
Construct a GRAM callback handler with specifed credentials and given port.

Method Summary

protected GramJob	getJob(String url)
int	getRegisteredJobsSize() Returns number of registered jobs
String	getURL() Returns url of this server
protected void	handleConnection(Socket socket) This method needs to be implemented by subclasses.
void	registerJob(GramJob job) Registers gram job to listen for status updates
void	unregisterJob(GramJob job) Unregisters gram job from listening to status updates

Methods inherited from class org.globus.net.BaseServer

getCredentials, getHost, getHostname, getPort, getProtocol, getTimeout, initialize, registerDefaultDeactivator, run, setAuthorization, setGssMode, setTimeout, shutdown, start, unregisterDefaultDeactivator, wrapSocket

Methods inherited from class java.lang.Object

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

Constructor Detail

CallbackHandler

public CallbackHandler()
                throws IOException

Construct a GRAM callback handler with default user credentials. Port will be dynamically assigned.

CallbackHandler

public CallbackHandler(GSSCredential cred,
                       int port)
                throws IOException

Construct a GRAM callback handler with specifed credentials and given port.

Parameters:

cred - credentials to use. if null default user credentials will be used

port - server port to listen on. if set to 0 the port will be dynamically assigned

Method Detail

registerJob

public void registerJob(GramJob job)

Registers gram job to listen for status updates

Parameters:

job - gram job

unregisterJob

public void unregisterJob(GramJob job)

Unregisters gram job from listening to status updates

Parameters:

job - gram job

getJob

protected GramJob getJob(String url)

getRegisteredJobsSize

public int getRegisteredJobsSize()

Returns number of registered jobs

Returns:

int number of jobs

getURL

public String getURL()

Description copied from class: BaseServer

Returns url of this server

Overrides:

getURL in class BaseServer

Returns:

url of this server

handleConnection

protected void handleConnection(Socket socket)

Description copied from class: BaseServer

This method needs to be implemented by subclasses. Optimmaly, it should be a non-blocking call starting a separate thread to handle the client. Note that to start an SSL handshake, you need to call socket.getInput(Output) stream().

Specified by:

handleConnection in class BaseServer