org.grobid.core.sax

Class PDFALTOSaxHandler

java.lang.Object

org.xml.sax.helpers.DefaultHandler

org.grobid.core.sax.PDFALTOSaxHandler

All Implemented Interfaces:

org.xml.sax.ContentHandler, org.xml.sax.DTDHandler, org.xml.sax.EntityResolver, org.xml.sax.ErrorHandler

public class PDFALTOSaxHandler
extends org.xml.sax.helpers.DefaultHandler

SAX parser for XML ALTO representation of fixed layout documents. Typographical and layout information are defined at token level, with line and block structures. This parser supports: - pdfalto output from PDF Expected coverage includes ALTO files generated by OCR (e.g. ABBYY) and ALTO files generated from docx files. TBD: character-level ALTO files

Field Summary

Fields

Modifier and Type	Field and Description
static Logger	LOGGER

Constructor Summary

Constructors

Constructor and Description
PDFALTOSaxHandler(Document d, java.util.List<GraphicObject> im)

Method Summary

Modifier and Type	Method and Description
void	characters(char[] ch, int start, int length)
void	endDocument()
void	endElement(java.lang.String uri, java.lang.String localName, java.lang.String qName)
Analyzer	getAnalyzer()
java.util.List<LayoutToken>	getTokenization()
void	setAnalyzer(Analyzer analyzer)
void	startElement(java.lang.String namespaceURI, java.lang.String localName, java.lang.String qName, org.xml.sax.Attributes atts)
java.lang.String	trimAndNormaliseText(java.lang.String content)

Methods inherited from class org.xml.sax.helpers.DefaultHandler

endPrefixMapping, error, fatalError, ignorableWhitespace, notationDecl, processingInstruction, resolveEntity, setDocumentLocator, skippedEntity, startDocument, startPrefixMapping, unparsedEntityDecl, warning

Methods inherited from class java.lang.Object

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

Field Detail

LOGGER

public static final Logger LOGGER

Constructor Detail

PDFALTOSaxHandler

public PDFALTOSaxHandler(Document d,
                         java.util.List<GraphicObject> im)

Method Detail

setAnalyzer

public void setAnalyzer(Analyzer analyzer)

getAnalyzer

public Analyzer getAnalyzer()

getTokenization

public java.util.List<LayoutToken> getTokenization()

characters

public void characters(char[] ch,
                       int start,
                       int length)

Specified by:

characters in interface org.xml.sax.ContentHandler

Overrides:

characters in class org.xml.sax.helpers.DefaultHandler

trimAndNormaliseText

public java.lang.String trimAndNormaliseText(java.lang.String content)

endElement

public void endElement(java.lang.String uri,
                       java.lang.String localName,
                       java.lang.String qName)
                throws org.xml.sax.SAXException

Specified by:

endElement in interface org.xml.sax.ContentHandler

Overrides:

endElement in class org.xml.sax.helpers.DefaultHandler

Throws:

org.xml.sax.SAXException

endDocument

public void endDocument()

Specified by:

endDocument in interface org.xml.sax.ContentHandler

Overrides:

endDocument in class org.xml.sax.helpers.DefaultHandler

startElement

public void startElement(java.lang.String namespaceURI,
                         java.lang.String localName,
                         java.lang.String qName,
                         org.xml.sax.Attributes atts)
                  throws org.xml.sax.SAXException

Specified by:

startElement in interface org.xml.sax.ContentHandler

Overrides:

startElement in class org.xml.sax.helpers.DefaultHandler

Throws:

org.xml.sax.SAXException