io.spine.web.subscription.servlet

Class SubscribeServlet<T extends com.google.protobuf.Message>

java.lang.Object

javax.servlet.GenericServlet

javax.servlet.http.HttpServlet

io.spine.web.NonSerializableServlet

io.spine.web.MessageServlet<io.spine.client.Topic,T>

io.spine.web.subscription.servlet.SubscribeServlet<T>

Type Parameters:

T - type of the response message

All Implemented Interfaces:

java.io.Serializable, javax.servlet.Servlet, javax.servlet.ServletConfig

public abstract class SubscribeServlet<T extends com.google.protobuf.Message>
extends MessageServlet<io.spine.client.Topic,T>

An abstract servlet for a client request to create a new Subscription for the requested Topic.

This servlet parses the client requests and passes it to the SubscriptionBridge to process. After, a processing result is written to the servlet response.

See Also:

Serialized Form

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	SubscribeServlet(SubscriptionBridge<T,?,?> bridge) Creates a new instance of SubscribeServlet with the given SubscriptionBridge.

Method Summary

Modifier and Type	Method and Description
protected T	handle(io.spine.client.Topic request) Handles the servlet request and produces the response message.

Methods inherited from class io.spine.web.MessageServlet

doPost

Methods inherited from class javax.servlet.http.HttpServlet

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

Methods inherited from class javax.servlet.GenericServlet

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

Methods inherited from class java.lang.Object

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

Constructor Detail

SubscribeServlet

protected SubscribeServlet(SubscriptionBridge<T,?,?> bridge)

Creates a new instance of SubscribeServlet with the given SubscriptionBridge.

Parameters:

bridge - the subscription bridge to be used to create subscriptions

Method Detail

handle

protected T handle(io.spine.client.Topic request)

Description copied from class: MessageServlet

Handles the servlet request and produces the response message.

Specified by:

handle in class MessageServlet<io.spine.client.Topic,T extends com.google.protobuf.Message>

Parameters:

request - the request message

Returns:

the response message