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org.apache.any23.extractor
Interface ExtractorFactory<T extends Extractor<?>>

Type Parameters:

T - the type of the Extractor to be created by this factory.

All Superinterfaces:

ExtractorDescription

All Known Implementing Classes:

SimpleExtractorFactory

public interface ExtractorFactory<T extends Extractor<?>>
extends ExtractorDescription

Interface defining a factory for Extractor.

Method Summary

T	createExtractor() Creates an extractor instance.
String	getExampleInput() An example input file for the extractor, to be used in auto-generated documentation.
Class<T>	getExtractorType() Returns the extractor type.
Collection<MIMEType>	getSupportedMIMETypes() Supports wildcards, e.g.

Methods inherited from interface org.apache.any23.extractor.ExtractorDescription

getExtractorName, getPrefixes

Method Detail

getExtractorType

Class<T> getExtractorType()

Returns the extractor type.

Returns:

the not null extractor class.

createExtractor

T createExtractor()

Creates an extractor instance.

Returns:

an instance of the extractor associated to this factory.

getSupportedMIMETypes

Collection<MIMEType> getSupportedMIMETypes()

Supports wildcards, e.g. "*/*" for blind extractors that merely call a web service.

getExampleInput

String getExampleInput()

An example input file for the extractor, to be used in auto-generated documentation. For the Extractor.BlindExtractor, this is an arbitrary URI. For extractors that require content, it is the name of a file, relative to the factory's class file's location, it will be opened using factory.getClass().getResourceAsStream(filename). The example should be a short file that produces characteristic output if sent through the extractor. The file will be read as UTF-8, so it should either use that encoding or avoid characters outside of the US-ASCII range.