Package org.alfresco.repo.audit.extractor

Class NullValueDataExtractor

java.lang.Object

org.alfresco.repo.audit.extractor.AbstractDataExtractor

org.alfresco.repo.audit.extractor.NullValueDataExtractor

All Implemented Interfaces:

DataExtractor, org.springframework.beans.factory.Aware, org.springframework.beans.factory.BeanNameAware, org.springframework.beans.factory.InitializingBean

public class NullValueDataExtractor
extends AbstractDataExtractor

An extractor that merely records a null value. This enables configuration such that the presence of a data path can be recorded when the actual value is of no interest.

Since:

3.2

Author:

Derek Hulley

Field Summary

Fields inherited from class org.alfresco.repo.audit.extractor.AbstractDataExtractor

logger

Constructor Summary

Constructors

Constructor	Description
NullValueDataExtractor()

Method Summary

Modifier and Type	Method	Description
java.io.Serializable	extractData(java.io.Serializable in)	Convert an value passed into the audit components into a value to be recorded.
boolean	isSupported(java.io.Serializable data)	Determines if the extractor will be able to pull any data from the given value.

Methods inherited from class org.alfresco.repo.audit.extractor.AbstractDataExtractor

afterPropertiesSet, equals, setBeanName, setRegistry

Methods inherited from class java.lang.Object

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

Constructor Detail

NullValueDataExtractor

public NullValueDataExtractor()

Method Detail

isSupported

public boolean isSupported(java.io.Serializable data)

Description copied from interface: DataExtractor

Determines if the extractor will be able to pull any data from the given value.

Parameters:

data - the data that might be useful to this extractor (could be null)

Returns:

Returns true always

extractData

public java.io.Serializable extractData(java.io.Serializable in)
                                 throws java.lang.Throwable

Description copied from interface: DataExtractor

Convert an value passed into the audit components into a value to be recorded.

Parameters:

in - the source data

Returns:

Returns null always

Throws:

java.lang.Throwable - All errors will be handled by the calling framework