io.spine.web

Class MessageServlet<I extends com.google.protobuf.Message,O extends com.google.protobuf.Message>

java.lang.Object

javax.servlet.GenericServlet

javax.servlet.http.HttpServlet

io.spine.web.NonSerializableServlet

io.spine.web.MessageServlet<I,O>

Type Parameters:

I - the type of the input message

O - the type of the output message

All Implemented Interfaces:

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

Direct Known Subclasses:

CommandServlet, QueryServlet, SubscribeServlet, SubscriptionCancelServlet, SubscriptionKeepUpServlet

public abstract class MessageServlet<I extends com.google.protobuf.Message,O extends com.google.protobuf.Message>
extends NonSerializableServlet

An HTTP servlet which accepts POST requests with a message and responds with another message.

See Also:

Serialized Form

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	MessageServlet()

Method Summary

Modifier and Type	Method and Description
void	doPost(javax.servlet.http.HttpServletRequest req, javax.servlet.http.HttpServletResponse resp)
protected abstract O	handle(I request) Handles the servlet request and produces the response message.

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

MessageServlet

protected MessageServlet()

Method Detail

handle

protected abstract O handle(I request)

Handles the servlet request and produces the response message.

Parameters:

request - the request message

Returns:

the response message

doPost

public void doPost(javax.servlet.http.HttpServletRequest req,
                   javax.servlet.http.HttpServletResponse resp)
            throws java.io.IOException

Overrides:

doPost in class javax.servlet.http.HttpServlet

Throws:

java.io.IOException