org.opencms.search.extractors
Class CmsExtractorMsExcel

java.lang.Object
  org.opencms.search.extractors.A_CmsTextExtractor
      org.opencms.search.extractors.A_CmsTextExtractorMsOfficeBase
          org.opencms.search.extractors.CmsExtractorMsExcel

All Implemented Interfaces:

org.apache.poi.poifs.eventfilesystem.POIFSReaderListener, I_CmsTextExtractor

public final class CmsExtractorMsExcel
extends A_CmsTextExtractorMsOfficeBase

Extracts the text from an MS Excel document.

Since:

6.0.0

Version:

$Revision: 1.17 $

Author:

Alexander Kandzior

Field Summary

Fields inherited from class org.opencms.search.extractors.A_CmsTextExtractorMsOfficeBase

ENCODING_CP1252, ENCODING_UTF16, POWERPOINT_EVENT_NAME, PPT_TEXTBYTE_ATOM, PPT_TEXTCHAR_ATOM

Fields inherited from class org.opencms.search.extractors.A_CmsTextExtractor

m_inputBuffer

Method Summary

protected java.lang.String	extractTableContent(java.io.InputStream in) Extracts the text from the Excel table content.
I_CmsExtractionResult	extractText(java.io.InputStream in, java.lang.String encoding) Extracts the text and meta information from the document on the input stream, using the specified content encoding.
static I_CmsTextExtractor	getExtractor() Returns an instance of this text extractor.

Methods inherited from class org.opencms.search.extractors.A_CmsTextExtractorMsOfficeBase

cleanup, createExtractionResult, processPOIFSReaderEvent

Methods inherited from class org.opencms.search.extractors.A_CmsTextExtractor

combineContentItem, extractText, extractText, extractText, getStreamCopy, removeControlChars

Methods inherited from class java.lang.Object

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

Method Detail

getExtractor

public static I_CmsTextExtractor getExtractor()

Returns an instance of this text extractor.

Returns:

an instance of this text extractor

extractText

public I_CmsExtractionResult extractText(java.io.InputStream in,
                                         java.lang.String encoding)
                                  throws java.lang.Exception

Description copied from interface: I_CmsTextExtractor

Extracts the text and meta information from the document on the input stream, using the specified content encoding.

The encoding is a hint for the text extractor, if the value given is null then the text extractor should try to figure out the encoding itself.

Specified by:

extractText in interface I_CmsTextExtractor

Overrides:

extractText in class A_CmsTextExtractor

Parameters:

in - the input stream for the document to extract the text from

encoding - the encoding to use

Returns:

the extracted text and meta information

Throws:

java.lang.Exception - if the text extration fails

See Also:

I_CmsTextExtractor.extractText(java.io.InputStream, java.lang.String)

extractTableContent

protected java.lang.String extractTableContent(java.io.InputStream in)
                                        throws java.io.IOException

Extracts the text from the Excel table content.

Parameters:

in - the document input stream

Returns:

the extracted text

Throws:

java.io.IOException - if something goes wring