@ManagedObject(value="Handler wrapping another Handler") public class HandlerWrapper extends AbstractHandlerContainer
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.AbstractHandler.ErrorDispatchHandlerAbstractLifeCycle.AbstractLifeCycleListenerLifeCycle.ListenerContainer.InheritedListener, Container.Listener| Modifier and Type | Field and Description |
|---|---|
protected Handler |
_handler |
| Constructor and Description |
|---|
HandlerWrapper() |
| Modifier and Type | Method and Description |
|---|---|
void |
destroy()
Destroys the managed Destroyable beans in the reverse order they were added.
|
protected void |
expandChildren(java.util.List<Handler> list,
java.lang.Class<?> byClass) |
Handler |
getHandler() |
Handler[] |
getHandlers() |
void |
handle(java.lang.String target,
Request baseRequest,
javax.servlet.http.HttpServletRequest request,
javax.servlet.http.HttpServletResponse response)
Handle a request.
|
void |
insertHandler(HandlerWrapper wrapper)
Replace the current handler with another HandlerWrapper
linked to the current handler.
|
void |
setHandler(Handler handler) |
doShutdown, expandHandler, findContainerOf, getChildHandlerByClass, getChildHandlers, getChildHandlersByClass, setServerdoError, doStart, doStop, getServeraddBean, addBean, addBean, addEventListener, addManaged, contains, dump, dump, dump, dump, dump, dumpBeans, dumpObject, dumpObjects, dumpStdErr, dumpThis, getBean, getBeans, getBeans, getContainedBeans, getContainedBeans, isAuto, isManaged, isUnmanaged, manage, removeBean, removeBeans, removeEventListener, setBeans, setStopTimeout, start, stop, unmanage, updateBean, updateBean, updateBeansaddLifeCycleListener, getState, getState, getStopTimeout, isFailed, isRunning, isStarted, isStarting, isStopped, isStopping, removeLifeCycleListener, start, stop, toStringclone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, waitaddLifeCycleListener, isFailed, isRunning, isStarted, isStarting, isStopped, isStopping, removeLifeCycleListener, start, start, stop, stopdumpObjects, dumpSelfprotected Handler _handler
@ManagedAttribute(value="Wrapped Handler", readonly=true) public Handler getHandler()
public Handler[] getHandlers()
public void setHandler(Handler handler)
handler - Set the Handler which should be wrapped.public void insertHandler(HandlerWrapper wrapper)
This is equivalent to:
wrapper.setHandler(getHandler()); setHandler(wrapper);
wrapper - the wrapper to insertpublic void handle(java.lang.String target,
Request baseRequest,
javax.servlet.http.HttpServletRequest request,
javax.servlet.http.HttpServletResponse response)
throws java.io.IOException,
javax.servlet.ServletException
Handlerhandle in interface Handlerhandle in class AbstractHandlertarget - 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().getHttpChannel().getRequest()response - The response as the Response object or a wrapper of that request. The
HttpConnection.getCurrentConnection().getHttpChannel().getResponse()java.io.IOException - if unable to handle the request or response processingjavax.servlet.ServletException - if unable to handle the request or response due to underlying servlet issueprotected void expandChildren(java.util.List<Handler> list, java.lang.Class<?> byClass)
expandChildren in class AbstractHandlerContainerpublic void destroy()
ContainerLifeCycledestroy in interface Handlerdestroy in interface Destroyabledestroy in class AbstractHandlerCopyright © 1995–2022 Webtide. All rights reserved.