Class PDFText2HTML

java.lang.Object

org.apache.pdfbox.contentstream.PDFStreamEngine

org.apache.pdfbox.text.PDFTextStripper

org.apache.pdfbox.tools.PDFText2HTML

public class PDFText2HTML
extends org.apache.pdfbox.text.PDFTextStripper

Wrap stripped text in simple HTML, trying to form HTML paragraphs. Paragraphs broken by pages, columns, or figures are not mended.

Author:

John J Barton

Field Summary

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

charactersByArticle, document, LINE_SEPARATOR, output

Constructor Summary

Constructors

Constructor	Description
PDFText2HTML()	Constructor.

Method Summary

Modifier and Type	Method	Description
protected float	computeFontHeight(org.apache.pdfbox.pdmodel.font.PDFont arg0)
protected void	endArticle()	Write out the article separator.
void	endDocument(org.apache.pdfbox.pdmodel.PDDocument document)
protected String	getTitle()	This method will attempt to guess the title of the document using either the document properties or the first lines of text.
protected void	showGlyph(org.apache.pdfbox.util.Matrix arg0, org.apache.pdfbox.pdmodel.font.PDFont arg1, int arg2, String arg3, org.apache.pdfbox.util.Vector arg4)
protected void	startArticle(boolean isLTR)	Write out the article separator (div tag) with proper text direction information.
protected void	startDocument(org.apache.pdfbox.pdmodel.PDDocument document)
protected void	writeHeader()	Deprecated. use startDocument(PDDocument)
protected void	writeParagraphEnd()	Writes the paragraph end "</p>" to the output.
protected void	writeString(String chars)	Write a string to the output stream and escape some HTML characters.
protected void	writeString(String text, List<org.apache.pdfbox.text.TextPosition> textPositions)	Write a string to the output stream, maintain font state, and escape some HTML characters.

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

beginMarkedContentSequence, endMarkedContentSequence, endPage, getAddMoreFormatting, getArticleEnd, getArticleStart, getAverageCharTolerance, getCharactersByArticle, getCurrentPageNo, getDropThreshold, getEndBookmark, getEndPage, getIgnoreContentStreamSpaceGlyphs, getIndentThreshold, getLineSeparator, getListItemPatterns, getOutput, getPageEnd, getPageStart, getParagraphEnd, getParagraphStart, getSeparateByBeads, getSortByPosition, getSpacingTolerance, getStartBookmark, getStartPage, getSuppressDuplicateOverlappingText, getText, getWordSeparator, matchPattern, processPage, processPages, processTextPosition, setAddMoreFormatting, setArticleEnd, setArticleStart, setAverageCharTolerance, setDropThreshold, setEndBookmark, setEndPage, setIgnoreContentStreamSpaceGlyphs, setIndentThreshold, setLineSeparator, setListItemPatterns, setPageEnd, setPageStart, setParagraphEnd, setParagraphStart, setShouldSeparateByBeads, setSortByPosition, setSpacingTolerance, setStartBookmark, setStartPage, setSuppressDuplicateOverlappingText, setWordSeparator, startArticle, startPage, writeCharacters, writeLineSeparator, writePage, writePageEnd, writePageStart, writeParagraphSeparator, writeParagraphStart, writeText, writeWordSeparator

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

addOperator, applyTextAdjustment, beginText, decreaseLevel, endText, getAppearance, getCurrentPage, getGraphicsStackSize, getGraphicsState, getInitialMatrix, getLevel, getResources, getTextLineMatrix, getTextMatrix, increaseLevel, isShouldProcessColorOperators, 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 Object

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

Constructor Details

PDFText2HTML

public PDFText2HTML()
             throws IOException

Constructor.

Throws:

IOException - If there is an error during initialization.

Method Details

writeHeader

@Deprecated
protected void writeHeader()
                    throws IOException

Deprecated.

use startDocument(PDDocument)

Write the header to the output document. Now also writes the tag defining the character encoding.

Throws:

IOException - If there is a problem writing out the header to the document.

startDocument

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

Overrides:

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

Throws:

IOException

endDocument

public void endDocument(org.apache.pdfbox.pdmodel.PDDocument document)
                 throws IOException

Overrides:

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

Throws:

IOException

getTitle

protected String getTitle()

This method will attempt to guess the title of the document using either the document properties or the first lines of text.

Returns:

returns the title.

startArticle

protected void startArticle(boolean isLTR)
                     throws IOException

Write out the article separator (div tag) with proper text direction information.

Overrides:

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

Parameters:

isLTR - true if direction of text is left to right

Throws:

IOException - If there is an error writing to the stream.

endArticle

protected void endArticle()
                   throws IOException

Write out the article separator.

Overrides:

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

Throws:

IOException - If there is an error writing to the stream.

writeString

protected void writeString(String text,
 List<org.apache.pdfbox.text.TextPosition> textPositions)
                    throws IOException

Write a string to the output stream, maintain font state, and escape some HTML characters. The font state is only preserved per word.

Overrides:

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

Parameters:

text - The text to write to the stream.

textPositions - the corresponding text positions

Throws:

IOException - If there is an error writing to the stream.

writeString

protected void writeString(String chars)
                    throws IOException

Write a string to the output stream and escape some HTML characters.

Overrides:

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

Parameters:

chars - String to be written to the stream

Throws:

IOException - If there is an error writing to the stream.

writeParagraphEnd

protected void writeParagraphEnd()
                          throws IOException

Writes the paragraph end "</p>" to the output. Furthermore, it will also clear the font state.

Overrides:

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

Throws:

IOException

showGlyph

protected void showGlyph(org.apache.pdfbox.util.Matrix arg0,
 org.apache.pdfbox.pdmodel.font.PDFont arg1,
 int arg2,
 String arg3,
 org.apache.pdfbox.util.Vector arg4)
                  throws IOException

Overrides:

showGlyph in class org.apache.pdfbox.contentstream.PDFStreamEngine

Throws:

IOException

computeFontHeight

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

Throws:

IOException