Class AnnotationUtils

java.lang.Object

org.apache.commons.digester3.annotations.utils.AnnotationUtils

public class AnnotationUtils
extends Object

Simple utility class to introspect annotations.

Since:

2.1

Field Summary

Fields

Modifier and Type	Field	Description
private static final String	FIRE_ON_BEGIN	The namespaceURI string constant.
private static final String	NAMESPACE_URI	The namespaceURI string constant.
private static final String	PATTERN	The pattern string constant.
private static final String	VALUE	The value string constant.

Constructor Summary

Constructors

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

Method Summary

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

Methods inherited from class Object

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

Field Details

VALUE

private static final String VALUE

The value string constant.

See Also:

• Constant Field Values

PATTERN

private static final String PATTERN

The pattern string constant.

See Also:

• Constant Field Values

NAMESPACE_URI

private static final String NAMESPACE_URI

The namespaceURI string constant.

See Also:

• Constant Field Values

FIRE_ON_BEGIN

private static final String FIRE_ON_BEGIN

The namespaceURI string constant.

See Also:

• Constant Field Values

Constructor Details

AnnotationUtils

private AnnotationUtils()

This class can't be instantiated.

Method Details

getAnnotationValue

public static Object getAnnotationValue(Annotation annotation)

Extract the value() from annotation.

Parameters:

annotation - the annotation has to be introspected.

Returns:

the annotation value().

getAnnotationPattern

public static String getAnnotationPattern(Annotation annotation)

Extract the pattern() from annotation.

Parameters:

annotation - the annotation has to be introspected.

Returns:

the annotation pattern().

getAnnotationNamespaceURI

public static String getAnnotationNamespaceURI(Annotation annotation)

Extract the namespaceURI() from annotation.

Parameters:

annotation - The annotation has to be introspected

Returns:

The annotation namespaceURI()

getFireOnBegin

public static boolean getFireOnBegin(Annotation annotation)

Extract the fireOnBegin() from annotation.

Parameters:

annotation - The annotation has to be introspected

Returns:

The annotation fireOnBegin()

getAnnotationsArrayValue

public static Annotation[] getAnnotationsArrayValue(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 Object invokeAnnotationMethod(Annotation annotation,
 String method)

Invokes an annotation method.

Parameters:

method - the method name to execute.

annotationn - the annotation has to be introspected.

Returns:

the annotation method value, null if any error occurs.