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org.alfresco.repo.content.metadata
Class MetadataExtracterRegistry
java.lang.Object
  org.alfresco.repo.content.metadata.MetadataExtracterRegistry
@org.alfresco.api.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
MetadataExtracterRegistry()
Method Summary
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.
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