RequestHandler (SmartGears 4.0.0-SNAPSHOT API)

java.lang.Object
- org.gcube.smartgears.handlers.AbstractHandler
- - org.gcube.smartgears.handlers.application.RequestHandler

All Implemented Interfaces:

ApplicationHandler<RequestHandler>, Handler<ApplicationEvent<RequestHandler>>

Direct Known Subclasses:

RequestAccounting, RequestMetrics, RequestValidator
```
public abstract class RequestHandler
extends AbstractHandler
implements ApplicationHandler<RequestHandler>
```
A Handler of RequestEvents and ResponseEvents.
The handler participates in a ApplicationPipeline of other handlers registered for notification of the same events. After processing the event, it may or may not propagate the event to the handlers further down in the ApplicationPipeline ApplicationPipeline#forward(ApplicationEvent).

Author:

Fabio Simeoni

See Also:

RequestEvent, ResponseEvent, ApplicationPipeline

Constructor Summary

Constructors
Constructor Description

RequestHandler()

Method Summary

All Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`abstract String`	`getName()`
`void`	`handleRequest(RequestEvent e)`	Invoked when the container receives a request for a servlet of a managed app.
`void`	`handleResponse(ResponseEvent e)`	Invoked when a servlet of a managed app has produced a response to a request.
`boolean`	`isUnfiltrable()`
`void`	`onEvent(ApplicationEvent<RequestHandler> e)`	Processes a given event.
`void`	`start(ApplicationContext ctx)`	Initialises the handler.
`void`	`stop()`	Terminates the handler.

Methods inherited from class org.gcube.smartgears.handlers.AbstractHandler
equals, toString

Methods inherited from class java.lang.Object
clone, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Constructor Detail
  - RequestHandler
```
public RequestHandler()
```
- Method Detail
  - getName
```
public abstract String getName()
```
  - isUnfiltrable
```
public boolean isUnfiltrable()
```
  - start
```
public void start(ApplicationContext ctx)
```
    Initialises the handler.
    
    Parameters:
    
    ctx - the servlet context of the managed app.
  - handleRequest
```
public void handleRequest(RequestEvent e)
```
    Invoked when the container receives a request for a servlet of a managed app.
    
    Parameters:
    
    pipeline - the pipeline in which this handler is registered
    
    e - the event
  - handleResponse
```
public void handleResponse(ResponseEvent e)
```
    Invoked when a servlet of a managed app has produced a response to a request.
    
    Parameters:
    
    pipeline - the pipeline in which this handler is registered
    
    e - the event
  - onEvent
```
public void onEvent(ApplicationEvent<RequestHandler> e)
```
    Description copied from interface: Handler
    
    Processes a given event.
    
    Specified by:
    
    onEvent in interface Handler<ApplicationEvent<RequestHandler>>
  - stop
```
public void stop()
```
    Terminates the handler.