Package org.jgrapes.http.annotation

Class RequestHandler.Evaluator

java.lang.Object

org.jgrapes.http.annotation.RequestHandler.Evaluator

All Implemented Interfaces:

HandlerDefinition.Evaluator

Enclosing class:

RequestHandler

public static class RequestHandler.Evaluator
extends Object
implements HandlerDefinition.Evaluator

This class provides the RequestHandler.Evaluator for the RequestHandler annotation.

It implements the behavior as described for the annotation.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	RequestHandler.Evaluator.Scope	The scope implementation.

Constructor Summary

Constructors

Constructor	Description
Evaluator()

Method Summary

Modifier and Type	Method	Description
static void	add(ComponentType component, String method, String pattern)	Adds the given method of the given component as a dynamic handler for a specific pattern.
static void	add(ComponentType component, String method, String pattern, int priority)	Adds the given method of the given component as a dynamic handler for a specific pattern with the specified priority.
int	priority(Annotation annotation)	Returns the priority defined by the annotation
HandlerScope	scope(ComponentType component, Method method, HandlerDefinition.ChannelReplacements channelReplacements)	Returns the information about the events and channels handled by the handler that annotates the given method of the given comonent as a HandlerScope object.

Methods inherited from class java.lang.Object

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

Constructor Details

Evaluator

public Evaluator()

Method Details

priority

public int priority(Annotation annotation)

Description copied from interface: HandlerDefinition.Evaluator

Returns the priority defined by the annotation

Specified by:

priority in interface HandlerDefinition.Evaluator

Parameters:

annotation - the annotation

Returns:

the priority

scope

public HandlerScope scope(ComponentType component,
 Method method,
 HandlerDefinition.ChannelReplacements channelReplacements)

Description copied from interface: HandlerDefinition.Evaluator

Returns the information about the events and channels handled by the handler that annotates the given method of the given comonent as a HandlerScope object.

This method is invoked during object initialization. It may return null if a handler is not supposed to be added for this method during initialization (dynamic handler, see Handler.dynamic()).

Specified by:

scope in interface HandlerDefinition.Evaluator

Parameters:

component - the component

method - the annotated method

channelReplacements - replacements for channel classes in the annotation’s channels element

Returns:

the scope or null if a handler for the method should not be created

add

public static void add(ComponentType component,
 String method,
 String pattern)

Adds the given method of the given component as a dynamic handler for a specific pattern.

Other informations are taken from the annotation.

Parameters:

component - the component

method - the name of the method that implements the handler

pattern - the pattern

add

public static void add(ComponentType component,
 String method,
 String pattern,
 int priority)

Adds the given method of the given component as a dynamic handler for a specific pattern with the specified priority.

Other informations are taken from the annotation.

Parameters:

component - the component

method - the name of the method that implements the handler

pattern - the pattern

priority - the priority