org.apache.commons.digester.annotations.utils

Class AnnotationUtils

java.lang.Object

org.apache.commons.digester.annotations.utils.AnnotationUtils

public class AnnotationUtils
extends java.lang.Object

Simple utility class to introspect annotations.

Since:

2.1

Field Summary

Fields

Modifier and Type	Field and Description
private static java.lang.String	PATTERN The pattern string constant.
private static java.lang.String	VALUE The value string constant.

Constructor Summary

Constructors

Modifier	Constructor and Description
private	AnnotationUtils() This class can't be instantiated.

Method Summary

Modifier and Type	Method and Description
static java.lang.String	getAnnotationPattern(java.lang.annotation.Annotation annotation) Extract the pattern() from annotation.
static java.lang.annotation.Annotation[]	getAnnotationsArrayValue(java.lang.annotation.Annotation annotation) Extract the Annotations array value() from annotation if present, nul otherwise.
static java.lang.Object	getAnnotationValue(java.lang.annotation.Annotation annotation) Extract the value() from annotation.
private static java.lang.Object	invokeAnnotationMethod(java.lang.annotation.Annotation annotation, java.lang.String method) Invokes an annotation method.

Methods inherited from class java.lang.Object

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

Field Detail

VALUE

private static final java.lang.String VALUE

The value string constant.

See Also:

Constant Field Values

PATTERN

private static final java.lang.String PATTERN

The pattern string constant.

See Also:

Constant Field Values

Constructor Detail

AnnotationUtils

private AnnotationUtils()

This class can't be instantiated.

Method Detail

getAnnotationValue

public static java.lang.Object getAnnotationValue(java.lang.annotation.Annotation annotation)

Extract the value() from annotation.

Parameters:

annotation - the annotation has to be introspected.

Returns:

the annotation value().

getAnnotationPattern

public static java.lang.String getAnnotationPattern(java.lang.annotation.Annotation annotation)

Extract the pattern() from annotation.

Parameters:

annotation - the annotation has to be introspected.

Returns:

the annotation pattern().

getAnnotationsArrayValue

public static java.lang.annotation.Annotation[] getAnnotationsArrayValue(java.lang.annotation.Annotation annotation)

Extract the Annotations array value() from annotation if present, nul otherwise.

Parameters:

annotation - the annotation has to be introspected.

Returns:

the annotation value() as Annotations array.

invokeAnnotationMethod

private static java.lang.Object invokeAnnotationMethod(java.lang.annotation.Annotation annotation,
                                                       java.lang.String method)

Invokes an annotation method.

Parameters:

annotationn - the annotation has to be introspected.

method - the method name to execute.

Returns:

the annotation method value, null if any error occurs.