org.alfresco.repo.content.metadata

Class MetadataExtracterRegistry

java.lang.Object

org.alfresco.repo.content.metadata.MetadataExtracterRegistry

@AlfrescoPublicApi
public class MetadataExtracterRegistry
extends Object

Holds and provides the most appropriate metadate extracter for a particular mimetype.

The extracters themselves know how well they are able to extract metadata.

Author:

Jesper Steen Møller

See Also:

MetadataExtracter

Constructor Summary

Constructors

Constructor and Description
MetadataExtracterRegistry()

Method Summary

Modifier and Type	Method and Description
MetadataEmbedder	getEmbedder(String sourceMimetype) Gets the best metadata embedder.
MetadataExtracter	getExtracter(String sourceMimetype) Gets the best metadata extracter.
void	register(MetadataExtracter extracter) Register an instance of an extracter for use
void	resetCache() Force the registry to drop its cache of extractors.

Methods inherited from class java.lang.Object

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

Constructor Detail

MetadataExtracterRegistry

public MetadataExtracterRegistry()

Method Detail

resetCache

public void resetCache()

Force the registry to drop its cache of extractors. This is useful for the case where an extractor becomes available only after the registry has initialized the cache.

register

public void register(MetadataExtracter extracter)

Register an instance of an extracter for use

Parameters:

extracter - an extracter

getExtracter

public MetadataExtracter getExtracter(String sourceMimetype)

Gets the best metadata extracter. This is a combination of the most reliable and the most performant extracter.

The result is cached for quicker access next time.

Parameters:

sourceMimetype - the source MIME of the extraction

Returns:

Returns a metadata extracter that can extract metadata from the chosen MIME type.

getEmbedder

public MetadataEmbedder getEmbedder(String sourceMimetype)

Gets the best metadata embedder. This is a combination of the most reliable and the most performant embedder.

The result is cached for quicker access next time.

Parameters:

sourceMimetype - the source MIME of the extraction

Returns:

Returns a metadata embedder that can embed metadata in the chosen MIME type.