org.terrier.indexing

Class POIDocument

java.lang.Object

org.terrier.indexing.FileDocument

org.terrier.indexing.POIDocument

All Implemented Interfaces:

Document

Direct Known Subclasses:

MSExcelDocument, MSPowerPointDocument, MSWordDocument

public class POIDocument
extends FileDocument

Represents Microsoft Office documents, which are parsed by the Apache POI library

Since:

3.6

Author:

Craig Macdonald

Nested Class Summary

Nested classes/interfaces inherited from class org.terrier.indexing.FileDocument

FileDocument.ReaderWrapper

Field Summary

Fields inherited from class org.terrier.indexing.FileDocument

abstractlength, abstractname, abstractwritten, br, EOD, filename, fileProperties, logger, tokenStream

Constructor Summary

Constructors

Constructor and Description
POIDocument(InputStream docStream, Map<String,String> docProperties, Tokeniser tok) Constructs a new MSWordDocument object for the file represented by docStream.
POIDocument(String filename, InputStream docStream, Tokeniser tokeniser) Constructs a new MSWordDocument object for the file represented by docStream.

Method Summary

Methods

Modifier and Type	Method and Description
protected org.apache.poi.POITextExtractor	getExtractor(String filename, InputStream docStream)
protected Reader	getReader(InputStream docStream) Converts the docStream InputStream parameter into a Reader which contains plain text, and from which terms can be obtained.

Methods inherited from class org.terrier.indexing.FileDocument

endOfDocument, getAllProperties, getFields, getNextTerm, getProperty, getReader, makeFilenameProperties, setProperty

Methods inherited from class java.lang.Object

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

Constructor Detail

POIDocument

public POIDocument(String filename,
           InputStream docStream,
           Tokeniser tokeniser)

Constructs a new MSWordDocument object for the file represented by docStream.

POIDocument

public POIDocument(InputStream docStream,
           Map<String,String> docProperties,
           Tokeniser tok)

Constructs a new MSWordDocument object for the file represented by docStream.

Parameters:

docStream -

docProperties -

tok -

Method Detail

getExtractor

protected org.apache.poi.POITextExtractor getExtractor(String filename,
                                           InputStream docStream)
                                                throws IOException

Throws:

IOException

getReader

protected Reader getReader(InputStream docStream)

Converts the docStream InputStream parameter into a Reader which contains plain text, and from which terms can be obtained. On failure, returns null and sets EOD to true, so no terms can be read from this object.

Overrides:

getReader in class FileDocument

Parameters:

docStream - an input stream that we want to access as a buffered reader.

Returns:

the buffered reader that encapsulates the given input stream.