Module org.eclipse.jetty.annotations

Package org.eclipse.jetty.annotations

Class AnnotationIntrospector

java.lang.Object

org.eclipse.jetty.annotations.AnnotationIntrospector

public class AnnotationIntrospector
extends java.lang.Object

AnnotationIntrospector Introspects a class to find various types of annotations as defined by the servlet specification.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	AnnotationIntrospector.AbstractIntrospectableAnnotationHandler	AbstractIntrospectableAnnotationHandler Base class for handlers that introspect a class to find a particular annotation.
static interface	AnnotationIntrospector.IntrospectableAnnotationHandler	IntrospectableAnnotationHandler Interface for all handlers that wish to introspect a class to find a particular annotation

Constructor Summary

Constructors

Constructor	Description
AnnotationIntrospector(org.eclipse.jetty.webapp.WebAppContext context)

Method Summary

Modifier and Type	Method	Description
void	introspect(java.lang.Object o, java.lang.Object metaInfo)
boolean	isIntrospectable(java.lang.Object o, java.lang.Object metaInfo)	Test if an object should be introspected for some specific types of annotations like PostConstruct/PreDestroy/MultiPart etc etc.
void	registerHandler(AnnotationIntrospector.IntrospectableAnnotationHandler handler)

Methods inherited from class java.lang.Object

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

Constructor Detail

AnnotationIntrospector

public AnnotationIntrospector(org.eclipse.jetty.webapp.WebAppContext context)

Method Detail

registerHandler

public void registerHandler(AnnotationIntrospector.IntrospectableAnnotationHandler handler)

isIntrospectable

public boolean isIntrospectable(java.lang.Object o,
                                java.lang.Object metaInfo)

Test if an object should be introspected for some specific types of annotations like PostConstruct/PreDestroy/MultiPart etc etc. According to servlet 4.0, these types of annotations should only be evaluated iff any of the following are true:

1. the object was created by the javax.servlet.ServletContext.createServlet/Filter/Listener method
2. the object comes either from a discovered annotation (WebServlet/Filter/Listener) or a declaration in a descriptor AND web.xml is NOT metadata-complete AND any web-fragment.xml associated with the location of the class is NOT metadata-complete

We also support evaluations of these types of annotations for objects that were created directly by the jetty api.

Parameters:

o - the object to check for its ability to be introspected for annotations

metaInfo - meta information about the object to be introspected

Returns:

true if it can be introspected according to servlet 4.0 rules

introspect

public void introspect(java.lang.Object o,
                       java.lang.Object metaInfo)