org.apache.jackrabbit.extractor
Class EmptyTextExtractor

java.lang.Object
  org.apache.jackrabbit.extractor.EmptyTextExtractor

All Implemented Interfaces:

TextExtractor

public class EmptyTextExtractor
extends java.lang.Object
implements TextExtractor

Dummy text extractor that always returns and empty reader for all documents. Useful as a dummy handler for unsupported content types.

Constructor Summary

EmptyTextExtractor(java.lang.String type)
Creates a dummy text extractor for the given content type.

EmptyTextExtractor(java.lang.String[] types)
Creates a dummy text extractor for the given content types.

Method Summary

java.io.Reader	extractText(java.io.InputStream stream, java.lang.String type, java.lang.String encoding) Closes the given stream and returns an empty reader.
java.lang.String[]	getContentTypes() Returns the supported content types.

Methods inherited from class java.lang.Object

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

Constructor Detail

EmptyTextExtractor

public EmptyTextExtractor(java.lang.String[] types)

Creates a dummy text extractor for the given content types. The given array must not be modified after it has been passed to this constructor.

Parameters:

types - supported content types

EmptyTextExtractor

public EmptyTextExtractor(java.lang.String type)

Creates a dummy text extractor for the given content type.

Parameters:

type - supported content type

Method Detail

getContentTypes

public java.lang.String[] getContentTypes()

Returns the supported content types.

Specified by:

getContentTypes in interface TextExtractor

Returns:

supported content types

extractText

public java.io.Reader extractText(java.io.InputStream stream,
                                  java.lang.String type,
                                  java.lang.String encoding)
                           throws java.io.IOException

Closes the given stream and returns an empty reader.

Specified by:

extractText in interface TextExtractor

Parameters:

stream - binary stream that simply gets closed

type - ignored

encoding - ignored

Returns:

empty reader

Throws:

java.io.IOException - if the binary stream can not be closed