org.eclipse.jetty.server.handler
Class HandlerWrapper

java.lang.Object
  org.eclipse.jetty.util.component.AbstractLifeCycle
      org.eclipse.jetty.server.handler.AbstractHandler
          org.eclipse.jetty.server.handler.AbstractHandlerContainer
              org.eclipse.jetty.server.handler.HandlerWrapper

All Implemented Interfaces:

Handler, HandlerContainer, LifeCycle

Direct Known Subclasses:

DebugHandler, RequestLogHandler, RewriteHandler, ScopedHandler, SecurityHandler, Server, SessionHandler, StatisticsHandler

public class HandlerWrapper
extends AbstractHandlerContainer

A HandlerWrapper acts as a Handler but delegates the handle method and life cycle events to a delegate. This is primarily used to implement the Decorator pattern.

Nested Class Summary

Nested classes/interfaces inherited from interface org.eclipse.jetty.util.component.LifeCycle

LifeCycle.Listener

Field Summary

protected Handler

_handler

Fields inherited from class org.eclipse.jetty.util.component.AbstractLifeCycle

_listeners, FAILED, RUNNING, STARTED, STARTING, STOPPED, STOPPING

Constructor Summary

HandlerWrapper()

Method Summary

protected void	doStart()
protected void	doStop()
protected Object	expandChildren(Object list, Class byClass)
Handler	getHandler()
Handler[]	getHandlers()
void	handle(String target, Request baseRequest, HttpServletRequest request, HttpServletResponse response) Handle a request.
void	setHandler(Handler handler)
void	setServer(Server server)

Methods inherited from class org.eclipse.jetty.server.handler.AbstractHandlerContainer

dump, expandHandler, getChildHandlerByClass, getChildHandlers, getChildHandlersByClass

Methods inherited from class org.eclipse.jetty.server.handler.AbstractHandler

destroy, dump, getServer, toString

Methods inherited from class org.eclipse.jetty.util.component.AbstractLifeCycle

addLifeCycleListener, getState, isFailed, isRunning, isStarted, isStarting, isStopped, isStopping, removeLifeCycleListener, start, stop

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.eclipse.jetty.util.component.LifeCycle

addLifeCycleListener, isFailed, isRunning, isStarted, isStarting, isStopped, isStopping, removeLifeCycleListener, start, stop

Field Detail

_handler

protected Handler _handler

Constructor Detail

HandlerWrapper

public HandlerWrapper()

Method Detail

getHandler

public Handler getHandler()

Returns:

Returns the handlers.

getHandlers

public Handler[] getHandlers()

Returns:

Returns the handlers.

setHandler

public void setHandler(Handler handler)

Parameters:

handler - Set the Handler which should be wrapped.

doStart

protected void doStart()
                throws Exception

Overrides:

doStart in class AbstractHandler

Throws:

Exception

doStop

protected void doStop()
               throws Exception

Overrides:

doStop in class AbstractHandler

Throws:

Exception

handle

public void handle(String target,
                   Request baseRequest,
                   HttpServletRequest request,
                   HttpServletResponse response)
            throws IOException,
                   ServletException

Description copied from interface: Handler

Handle a request.

Parameters:

target - The target of the request - either a URI or a name.

baseRequest - The original unwrapped request object.

request - The request either as the Request object or a wrapper of that request. The HttpConnection.getCurrentConnection() method can be used access the Request object if required.

response - The response as the Response object or a wrapper of that request. The HttpConnection.getCurrentConnection() method can be used access the Response object if required.

Throws:

IOException

ServletException

setServer

public void setServer(Server server)

Specified by:

setServer in interface Handler

Overrides:

setServer in class AbstractHandler

expandChildren

protected Object expandChildren(Object list,
                                Class byClass)

Overrides:

expandChildren in class AbstractHandlerContainer