org.opencrx.kernel.workflow.servlet
Class SubscriptionHandlerServlet

java.lang.Object
  javax.servlet.GenericServlet
      javax.servlet.http.HttpServlet
          org.opencrx.kernel.workflow.servlet.SubscriptionHandlerServlet

All Implemented Interfaces:

Serializable, Servlet, ServletConfig

public class SubscriptionHandlerServlet
extends HttpServlet

The SubscriptionHandlerServlet 'listens' for object modifications on incoming audit entries. For each active subscription (i.e. topic target pattern) which's filter (object identity and attribute filters) matches the modified object, the corresponding workflows are executed.

See Also:

Serialized Form

Constructor Summary

SubscriptionHandlerServlet()

Method Summary

protected void	doGet(HttpServletRequest req, HttpServletResponse res)
protected void	doPost(HttpServletRequest req, HttpServletResponse res)
protected void	handleRequest(HttpServletRequest req, HttpServletResponse res)
void	handleSubscriptions(String id, String providerName, String segmentName, HttpServletRequest req, HttpServletResponse res)
void	init(ServletConfig config)
boolean	subscriptionAcceptsMessage(Subscription subscription, AuditEntry auditEntry)
protected boolean	testFilterValue(String filterName, String filterValue, Object message)
boolean	topicAcceptsObject(String providerName, String segmentName, Topic topic, String objectXri)

Methods inherited from class javax.servlet.http.HttpServlet

doDelete, doHead, doOptions, doPut, doTrace, getLastModified, service, service

Methods inherited from class javax.servlet.GenericServlet

destroy, getInitParameter, getInitParameterNames, getServletConfig, getServletContext, getServletInfo, getServletName, init, log, log

Methods inherited from class java.lang.Object

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

Constructor Detail

SubscriptionHandlerServlet

public SubscriptionHandlerServlet()

Method Detail

init

public void init(ServletConfig config)
          throws ServletException

Specified by:

init in interface Servlet

Overrides:

init in class GenericServlet

Throws:

ServletException

testFilterValue

protected boolean testFilterValue(String filterName,
                                  String filterValue,
                                  Object message)

subscriptionAcceptsMessage

public boolean subscriptionAcceptsMessage(Subscription subscription,
                                          AuditEntry auditEntry)

topicAcceptsObject

public boolean topicAcceptsObject(String providerName,
                                  String segmentName,
                                  Topic topic,
                                  String objectXri)

handleSubscriptions

public void handleSubscriptions(String id,
                                String providerName,
                                String segmentName,
                                HttpServletRequest req,
                                HttpServletResponse res)
                         throws IOException

Throws:

IOException

handleRequest

protected void handleRequest(HttpServletRequest req,
                             HttpServletResponse res)
                      throws ServletException,
                             IOException

Throws:

ServletException

IOException

doGet

protected void doGet(HttpServletRequest req,
                     HttpServletResponse res)
              throws ServletException,
                     IOException

Overrides:

doGet in class HttpServlet

Throws:

ServletException

IOException

doPost

protected void doPost(HttpServletRequest req,
                      HttpServletResponse res)
               throws ServletException,
                      IOException

Overrides:

doPost in class HttpServlet

Throws:

ServletException

IOException