Package org.springframework.beans.factory.parsing

Class NullSourceExtractor

java.lang.Object

org.springframework.beans.factory.parsing.NullSourceExtractor

All Implemented Interfaces:

SourceExtractor

public class NullSourceExtractor
extends Object
implements SourceExtractor

Simple implementation of SourceExtractor that returns null as the source metadata.

This is the default implementation and prevents too much metadata from being held in memory during normal (non-tooled) runtime usage.

Since:

2.0

Author:

Rob Harrop

Constructor Summary

Constructors

Constructor	Description
NullSourceExtractor()

Method Summary

Modifier and Type	Method	Description
Object	extractSource(Object sourceCandidate, Resource definitionResource)	This implementation simply returns null for any input.

Methods inherited from class java.lang.Object

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

Constructor Details

NullSourceExtractor

public NullSourceExtractor()

Method Details

extractSource

@Nullable
public Object extractSource(Object sourceCandidate,
 @Nullable
 Resource definitionResource)

This implementation simply returns null for any input.

Specified by:

extractSource in interface SourceExtractor

Parameters:

sourceCandidate - the original source metadata (never null)

definitionResource - the resource that defines the given source object (may be null)

Returns:

the source metadata object to store (may be null)