net.sf.regain.crawler.preparator
Class JacobMsPowerPointPreparator

java.lang.Object
  net.sf.regain.crawler.document.AbstractPreparator
      net.sf.regain.crawler.preparator.AbstractJacobMsOfficePreparator
          net.sf.regain.crawler.preparator.JacobMsPowerPointPreparator

All Implemented Interfaces:

Pluggable, Preparator, WriteablePreparator

public class JacobMsPowerPointPreparator
extends AbstractJacobMsOfficePreparator

Präpariert ein Microsoft-Powerpoint-Dokument für die Indizierung mit Hilfe der Jacob-API, wobei Jacobgen genutzt wurde, um den Zugriff zu erleichtern.

Dabei werden die Rohdaten des Dokuments von Formatierungsinformation befreit, es wird der Titel extrahiert.

Author:

Til Schneider, www.murfman.de, Reinhard Balling

Field Summary

private de.filiadata.lucene.spider.generated.msoffice2000.powerpoint.Application	mPowerPointApplication Die PowerPoint-Applikation.
private static int	MSOGROUP

Fields inherited from interface net.sf.regain.crawler.document.Preparator

DEFAULT_BUFFER_SIZE

Constructor Summary

JacobMsPowerPointPreparator()
Creates a new instance of JacobMsPowerPointPreparator.

Method Summary

void	close() Frees all resources reserved by the preparator.
private void	extractTextFrom(de.filiadata.lucene.spider.generated.msoffice2000.powerpoint.Shape shape, StringBuffer contentBuf) Extrahiert den Text aus einem Powerpoint-Form-Objekt und tr�gt ihn in den StringBuffer ein.
void	init(PreparatorConfig config) Initializes the preparator.
void	prepare(RawDocument rawDocument) Präpariert ein Dokument für die Indizierung.
private String	removeHyphenation(String text) RB: Eliminates hyphenation either -\n\r or -\013

Methods inherited from class net.sf.regain.crawler.preparator.AbstractJacobMsOfficePreparator

readProperties

Methods inherited from class net.sf.regain.crawler.document.AbstractPreparator

accepts, addAdditionalField, cleanUp, concatenateStringParts, getAdditionalFields, getCleanedContent, getCleanedMetaData, getHeadlines, getPath, getPriority, getSummary, getTitle, setCleanedContent, setCleanedMetaData, setHeadlines, setPath, setPriority, setSummary, setTitle, setUrlRegex

Methods inherited from class java.lang.Object

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

Field Detail

mPowerPointApplication

private de.filiadata.lucene.spider.generated.msoffice2000.powerpoint.Application mPowerPointApplication

Die PowerPoint-Applikation. Ist null, solange noch kein Dokument bearbeitet wurde.

MSOGROUP

private static int MSOGROUP

Constructor Detail

JacobMsPowerPointPreparator

public JacobMsPowerPointPreparator()
                            throws RegainException

Creates a new instance of JacobMsPowerPointPreparator.

Throws:

RegainException - If creating the preparator failed.

Method Detail

init

public void init(PreparatorConfig config)
          throws RegainException

Initializes the preparator.

Specified by:

init in interface Pluggable

Overrides:

init in class AbstractJacobMsOfficePreparator

Parameters:

config - The configuration

Throws:

RegainException - If the configuration has an error.

prepare

public void prepare(RawDocument rawDocument)
             throws RegainException

Präpariert ein Dokument für die Indizierung.

Parameters:

rawDocument - Das zu pr�pariernde Dokument.

Throws:

RegainException - Wenn die Pr�paration fehl schlug.

extractTextFrom

private void extractTextFrom(de.filiadata.lucene.spider.generated.msoffice2000.powerpoint.Shape shape,
                             StringBuffer contentBuf)

Extrahiert den Text aus einem Powerpoint-Form-Objekt und tr�gt ihn in den StringBuffer ein.

Parameters:

shape - Das zu durchsuchende Powerpoint-Form-Objekt.

contentBuf - Der Puffer in den der evtl. gefundene Text einzutragen ist.

removeHyphenation

private String removeHyphenation(String text)

RB: Eliminates hyphenation either -\n\r or -\013

close

public void close()
           throws RegainException

Frees all resources reserved by the preparator.

Is called at the end of the crawler process after all documents were processed.

Specified by:

close in interface Preparator

Overrides:

close in class AbstractPreparator

Throws:

RegainException - If freeing the resources failed.