public Class CrawlerSessionManagerHandler

Additional top-level class in compilation unit: CrawlerBindingListener.

Class Inheritance

extends Object
implements HttpHandler

java.lang.Object
io.undertow.servlet.handlers.CrawlerSessionManagerHandler

All Implemented Interfaces

io.undertow.server.HttpHandler

Imports

java.io.Serializable, java.util.Iterator, .Map, java.util.concurrent.ConcurrentHashMap, java.util.regex.Pattern, jakarta.servlet.http.HttpSession, .HttpSessionBindingEvent, .HttpSessionBindingListener, io.undertow.UndertowLogger, io.undertow.server.ExchangeCompletionListener, .HttpHandler, .HttpServerExchange, io.undertow.servlet.api.CrawlerSessionManagerConfig, io.undertow.util.HeaderValues, .Headers

Web crawlers can trigger the creation of many thousands of sessions as they crawl a site which may result in significant memory consumption. This Valve ensures that crawlers are associated with a single session - just like normal users - regardless of whether or not they provide a session token with their requests.

Field Summary

Modifier and Type	Field and Description
private final Map<String, String>	clientIpSessionId
private final CrawlerSessionManagerConfig	config
private final HttpHandler	next
private static final String	SESSION_ATTRIBUTE_NAME
private final Map<String, String>	sessionIdClientIp
private final Pattern	uaPattern

Constructor Summary

Access	Constructor and Description
public	CrawlerSessionManagerHandler(CrawlerSessionManagerConfig config, HttpHandler next)

Method Summary

Modifier and Type	Method and Description
public void	handleRequest(HttpServerExchange the HTTP request/response exchange exchange) Implements io.undertow.server.HttpHandler.handleRequest. Handle the request.

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Field Detail

clientIpSessionId	back to summary
private final Map<String, String> clientIpSessionId

config	back to summary
private final CrawlerSessionManagerConfig config

next	back to summary
private final HttpHandler next

SESSION_ATTRIBUTE_NAME	back to summary
private static final String SESSION_ATTRIBUTE_NAME

sessionIdClientIp	back to summary
private final Map<String, String> sessionIdClientIp

uaPattern	back to summary
private final Pattern uaPattern

Constructor Detail

CrawlerSessionManagerHandler	back to summary
public CrawlerSessionManagerHandler(CrawlerSessionManagerConfig config, HttpHandler next)

Method Detail

handleRequest	back to summary
public void handleRequest(HttpServerExchange exchange) throws Exception Implements io.undertow.server.HttpHandler.handleRequest. Doc from io.undertow.server.HttpHandler.handleRequest. Handle the request. Parameters exchange:HttpServerExchange the HTTP request/response exchange Annotations @Override

handleRequest

back to summary

public void handleRequest(HttpServerExchange exchange) throws Exception

Implements io.undertow.server.HttpHandler.handleRequest.

Doc from io.undertow.server.HttpHandler.handleRequest.

Handle the request.

Parameters

exchange:HttpServerExchange: the HTTP request/response exchange

Annotations

@Override