org.apache.tika.parser.pdf

Class PDFMarkedContent2XHTML

java.lang.Object

org.apache.pdfbox.contentstream.PDFStreamEngine

org.apache.pdfbox.text.PDFTextStripper

org.apache.tika.parser.pdf.PDFMarkedContent2XHTML

public class PDFMarkedContent2XHTML
extends org.apache.pdfbox.text.PDFTextStripper

This was added in Tika 1.24 as an alpha version of a text extractor that builds the text from the marked text tree and includes/normalizes some of the structural tags.

Since:

1.24

Field Summary

Fields

Modifier and Type	Field and Description
static String	XMP_DOCUMENT_CATALOG_LOCATION
static String	XMP_PAGE_LOCATION_PREFIX

Fields inherited from class org.apache.pdfbox.text.PDFTextStripper

charactersByArticle, document, LINE_SEPARATOR, output

Method Summary

Modifier and Type	Method and Description
protected float	computeFontHeight(org.apache.pdfbox.pdmodel.font.PDFont arg0)
protected void	endDocument(org.apache.pdfbox.pdmodel.PDDocument pdf)
protected void	endPage(org.apache.pdfbox.pdmodel.PDPage page)
int	getCurrentPageNo() we need to override this because we are overriding processPages(PDPageTree)
int	getStartPage()
static void	process(org.apache.pdfbox.pdmodel.PDDocument pdDocument, ContentHandler handler, ParseContext context, Metadata metadata, PDFParserConfig config) Converts the given PDF document (and related metadata) to a stream of XHTML SAX events sent to the given content handler.
void	processPage(org.apache.pdfbox.pdmodel.PDPage page)
protected void	processPages(org.apache.pdfbox.pdmodel.PDPageTree pages) See TIKA-2845 for why we need to override this.
void	setEndBookmark(org.apache.pdfbox.pdmodel.interactive.documentnavigation.outline.PDOutlineItem pdOutlineItem)
void	setStartBookmark(org.apache.pdfbox.pdmodel.interactive.documentnavigation.outline.PDOutlineItem pdOutlineItem)
void	setStartPage(int startPage)
protected void	showGlyph(org.apache.pdfbox.util.Matrix textRenderingMatrix, org.apache.pdfbox.pdmodel.font.PDFont font, int code, String unicode, org.apache.pdfbox.util.Vector displacement)
protected void	startDocument(org.apache.pdfbox.pdmodel.PDDocument pdf)
protected void	startPage(org.apache.pdfbox.pdmodel.PDPage page)
protected void	writeCharacters(org.apache.pdfbox.text.TextPosition text)
protected void	writeLineSeparator()
protected void	writeParagraphEnd()
protected void	writeParagraphStart()
protected void	writeString(String text)
protected void	writeWordSeparator()

Methods inherited from class org.apache.pdfbox.text.PDFTextStripper

endArticle, getAddMoreFormatting, getArticleEnd, getArticleStart, getAverageCharTolerance, getCharactersByArticle, getDropThreshold, getEndBookmark, getEndPage, getIndentThreshold, getLineSeparator, getListItemPatterns, getOutput, getPageEnd, getPageStart, getParagraphEnd, getParagraphStart, getSeparateByBeads, getSortByPosition, getSpacingTolerance, getStartBookmark, getSuppressDuplicateOverlappingText, getText, getWordSeparator, matchPattern, processTextPosition, setAddMoreFormatting, setArticleEnd, setArticleStart, setAverageCharTolerance, setDropThreshold, setEndPage, setIndentThreshold, setLineSeparator, setListItemPatterns, setPageEnd, setPageStart, setParagraphEnd, setParagraphStart, setShouldSeparateByBeads, setSortByPosition, setSpacingTolerance, setSuppressDuplicateOverlappingText, setWordSeparator, startArticle, startArticle, writePage, writePageEnd, writePageStart, writeParagraphSeparator, writeString, writeText

Methods inherited from class org.apache.pdfbox.contentstream.PDFStreamEngine

addOperator, applyTextAdjustment, beginMarkedContentSequence, beginText, decreaseLevel, endMarkedContentSequence, endText, getAppearance, getCurrentPage, getGraphicsStackSize, getGraphicsState, getInitialMatrix, getLevel, getResources, getTextLineMatrix, getTextMatrix, increaseLevel, operatorException, processAnnotation, processChildStream, processOperator, processOperator, processSoftMask, processTilingPattern, processTilingPattern, processTransparencyGroup, processType3Stream, registerOperatorProcessor, restoreGraphicsStack, restoreGraphicsState, saveGraphicsStack, saveGraphicsState, setLineDashPattern, setTextLineMatrix, setTextMatrix, showAnnotation, showFontGlyph, showFontGlyph, showForm, showGlyph, showText, showTextString, showTextStrings, showTransparencyGroup, showType3Glyph, showType3Glyph, transformedPoint, transformWidth, unsupportedOperator

Methods inherited from class java.lang.Object

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

Field Detail

XMP_DOCUMENT_CATALOG_LOCATION

public static final String XMP_DOCUMENT_CATALOG_LOCATION

See Also:

Constant Field Values

XMP_PAGE_LOCATION_PREFIX

public static final String XMP_PAGE_LOCATION_PREFIX

See Also:

Constant Field Values

Method Detail

process

public static void process(org.apache.pdfbox.pdmodel.PDDocument pdDocument,
                           ContentHandler handler,
                           ParseContext context,
                           Metadata metadata,
                           PDFParserConfig config)
                    throws SAXException,
                           TikaException

Converts the given PDF document (and related metadata) to a stream of XHTML SAX events sent to the given content handler.

Parameters:

pdDocument - PDF document

handler - SAX content handler

metadata - PDF metadata

Throws:

SAXException - if the content handler fails to process SAX events

TikaException - if there was an exception outside of per page processing

processPages

protected void processPages(org.apache.pdfbox.pdmodel.PDPageTree pages)
                     throws IOException

See TIKA-2845 for why we need to override this.

Throws:

IOException

processPage

public void processPage(org.apache.pdfbox.pdmodel.PDPage page)
                 throws IOException

Overrides:

processPage in class org.apache.pdfbox.text.PDFTextStripper

Throws:

IOException

endPage

protected void endPage(org.apache.pdfbox.pdmodel.PDPage page)
                throws IOException

Throws:

IOException

writeParagraphStart

protected void writeParagraphStart()
                            throws IOException

Overrides:

writeParagraphStart in class org.apache.pdfbox.text.PDFTextStripper

Throws:

IOException

writeParagraphEnd

protected void writeParagraphEnd()
                          throws IOException

Overrides:

writeParagraphEnd in class org.apache.pdfbox.text.PDFTextStripper

Throws:

IOException

writeString

protected void writeString(String text)
                    throws IOException

Overrides:

writeString in class org.apache.pdfbox.text.PDFTextStripper

Throws:

IOException

writeCharacters

protected void writeCharacters(org.apache.pdfbox.text.TextPosition text)
                        throws IOException

Overrides:

writeCharacters in class org.apache.pdfbox.text.PDFTextStripper

Throws:

IOException

writeWordSeparator

protected void writeWordSeparator()
                           throws IOException

Overrides:

writeWordSeparator in class org.apache.pdfbox.text.PDFTextStripper

Throws:

IOException

writeLineSeparator

protected void writeLineSeparator()
                           throws IOException

Overrides:

writeLineSeparator in class org.apache.pdfbox.text.PDFTextStripper

Throws:

IOException

startPage

protected void startPage(org.apache.pdfbox.pdmodel.PDPage page)
                  throws IOException

Overrides:

startPage in class org.apache.pdfbox.text.PDFTextStripper

Throws:

IOException

startDocument

protected void startDocument(org.apache.pdfbox.pdmodel.PDDocument pdf)
                      throws IOException

Overrides:

startDocument in class org.apache.pdfbox.text.PDFTextStripper

Throws:

IOException

endDocument

protected void endDocument(org.apache.pdfbox.pdmodel.PDDocument pdf)
                    throws IOException

Overrides:

endDocument in class org.apache.pdfbox.text.PDFTextStripper

Throws:

IOException

getCurrentPageNo

public int getCurrentPageNo()

we need to override this because we are overriding processPages(PDPageTree)

Overrides:

getCurrentPageNo in class org.apache.pdfbox.text.PDFTextStripper

Returns:

setStartBookmark

public void setStartBookmark(org.apache.pdfbox.pdmodel.interactive.documentnavigation.outline.PDOutlineItem pdOutlineItem)

Overrides:

setStartBookmark in class org.apache.pdfbox.text.PDFTextStripper

setEndBookmark

public void setEndBookmark(org.apache.pdfbox.pdmodel.interactive.documentnavigation.outline.PDOutlineItem pdOutlineItem)

Overrides:

setEndBookmark in class org.apache.pdfbox.text.PDFTextStripper

getStartPage

public int getStartPage()

Overrides:

getStartPage in class org.apache.pdfbox.text.PDFTextStripper

setStartPage

public void setStartPage(int startPage)

Overrides:

setStartPage in class org.apache.pdfbox.text.PDFTextStripper

showGlyph

protected void showGlyph(org.apache.pdfbox.util.Matrix textRenderingMatrix,
                         org.apache.pdfbox.pdmodel.font.PDFont font,
                         int code,
                         String unicode,
                         org.apache.pdfbox.util.Vector displacement)
                  throws IOException

Throws:

IOException

computeFontHeight

protected float computeFontHeight(org.apache.pdfbox.pdmodel.font.PDFont arg0)
                           throws IOException

Throws:

IOException