org.eclipse.jetty.proxy

Class BalancerServlet

java.lang.Object

javax.servlet.GenericServlet

javax.servlet.http.HttpServlet

org.eclipse.jetty.proxy.AbstractProxyServlet

org.eclipse.jetty.proxy.ProxyServlet

org.eclipse.jetty.proxy.BalancerServlet

All Implemented Interfaces:

Serializable, Servlet, ServletConfig

public class BalancerServlet
extends ProxyServlet

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class org.eclipse.jetty.proxy.ProxyServlet

ProxyServlet.ProxyInputStreamContentProvider, ProxyServlet.ProxyResponseListener, ProxyServlet.Transparent

Nested classes/interfaces inherited from class org.eclipse.jetty.proxy.AbstractProxyServlet

AbstractProxyServlet.TransparentDelegate

Field Summary

Fields inherited from class org.eclipse.jetty.proxy.AbstractProxyServlet

_log, HOP_HEADERS

Constructor Summary

Constructors

Constructor and Description
BalancerServlet()

Method Summary

Methods

Modifier and Type	Method and Description
protected String	filterResponseHeader(HttpServletRequest request, String headerName, String headerValue) Extension point for remote server response header filtering.
void	init()
protected URI	rewriteURI(HttpServletRequest request)
boolean	validateDestination(String host, int port) Checks the given host and port against whitelist and blacklist.

Methods inherited from class org.eclipse.jetty.proxy.ProxyServlet

copyHeaders, customizeProxyRequest, filterServerResponseHeader, newProxyResponseListener, onClientRequestFailure, onResponseContent, onResponseFailure, onResponseHeaders, onResponseSuccess, onRewriteFailed, proxyRequestContent, service

Methods inherited from class org.eclipse.jetty.proxy.AbstractProxyServlet

addProxyHeaders, addViaHeader, addXForwardedHeaders, copyRequestHeaders, createHttpClient, createLogger, destroy, findConnectionHeaders, getBlackListHosts, getHostHeader, getHttpClient, getRequestId, getTimeout, getViaHost, getWhiteListHosts, hasContent, newHttpClient, onClientRequestFailure, onProxyResponseFailure, onProxyResponseSuccess, onProxyRewriteFailed, onServerResponseHeaders, rewriteTarget, sendProxyRequest, setTimeout

Methods inherited from class javax.servlet.http.HttpServlet

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

Methods inherited from class javax.servlet.GenericServlet

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

BalancerServlet

public BalancerServlet()

Method Detail

init

public void init()
          throws ServletException

Overrides:

init in class AbstractProxyServlet

Throws:

ServletException

rewriteURI

protected URI rewriteURI(HttpServletRequest request)

Overrides:

rewriteURI in class ProxyServlet

filterResponseHeader

protected String filterResponseHeader(HttpServletRequest request,
                          String headerName,
                          String headerValue)

Description copied from class: ProxyServlet

Extension point for remote server response header filtering. The default implementation returns the header value as is. If null is returned, this header won't be forwarded back to the client.

Overrides:

filterResponseHeader in class ProxyServlet

Parameters:

request - the request to proxy

headerName - the header name

headerValue - the header value

Returns:

filteredHeaderValue the new header value

validateDestination

public boolean validateDestination(String host,
                          int port)

Description copied from class: AbstractProxyServlet

Checks the given host and port against whitelist and blacklist.

Overrides:

validateDestination in class AbstractProxyServlet

Parameters:

host - the host to check

port - the port to check

Returns:

true if it is allowed to be proxy to the given host and port