org.pdfbox.util
Class PDFTextStripperByArea

java.lang.Object
  org.pdfbox.util.PDFStreamEngine
      org.pdfbox.util.PDFTextStripper
          org.pdfbox.util.PDFTextStripperByArea

public class PDFTextStripperByArea

extends PDFTextStripper

This will extract text from a specified region in the PDF.

Version:

$Revision: 1.5 $

Author:

Ben Litchfield

Field Summary

Fields inherited from class org.pdfbox.util.PDFTextStripper

charactersByArticle, output

Constructor Summary

PDFTextStripperByArea()
Constructor.

Method Summary

void	addRegion(String regionName, Rectangle2D rect) Add a new region to group text by.
void	extractRegions(PDPage page) Process the page to extract the region text.
protected void	flushText() This will print the text to the output stream.
List	getRegions() Get the list of regions that have been setup.
String	getTextForRegion(String regionName) Get the text for the region, this should be called after extractRegions().
protected void	showCharacter(TextPosition text) This will show add a character to the list of characters to be printed to the text file.

Methods inherited from class org.pdfbox.util.PDFTextStripper

endDocument, endPage, endParagraph, getCharactersByArticle, getCurrentPageNo, getEndBookmark, getEndPage, getLineSeparator, getOutput, getPageSeparator, getStartBookmark, getStartPage, getText, getText, getWordSeparator, processPage, processPages, setEndBookmark, setEndPage, setLineSeparator, setPageSeparator, setShouldSeparateByBeads, setSortByPosition, setStartBookmark, setStartPage, setSuppressDuplicateOverlappingText, setWordSeparator, shouldSeparateByBeads, shouldSortByPosition, shouldSuppressDuplicateOverlappingText, startDocument, startPage, startParagraph, writeCharacters, writeText, writeText

Methods inherited from class org.pdfbox.util.PDFStreamEngine

getColorSpaces, getCurrentPage, getFonts, getGraphicsStack, getGraphicsState, getGraphicsStates, getResources, getTextLineMatrix, getTextMatrix, getXObjects, processOperator, processOperator, processStream, processSubStream, registerOperatorProcessor, resetEngine, setColorSpaces, setFonts, setGraphicsStack, setGraphicsState, setGraphicsStates, setTextLineMatrix, setTextMatrix, showString

Methods inherited from class java.lang.Object

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

Constructor Detail

PDFTextStripperByArea

public PDFTextStripperByArea()
                      throws IOException

Constructor.

Throws:

IOException - If there is an error loading properties.

Method Detail

addRegion

public void addRegion(String regionName,
                      Rectangle2D rect)

Add a new region to group text by.

Parameters:

regionName - The name of the region.

rect - The rectangle area to retrieve the text from.

getRegions

public List getRegions()

Get the list of regions that have been setup.

Returns:

A list of java.lang.String objects to identify the region names.

getTextForRegion

public String getTextForRegion(String regionName)

Get the text for the region, this should be called after extractRegions().

Parameters:

regionName - The name of the region to get the text from.

Returns:

The text that was identified in that region.

extractRegions

public void extractRegions(PDPage page)
                    throws IOException

Process the page to extract the region text.

Parameters:

page - The page to extract the regions from.

Throws:

IOException - If there is an error while extracting text.

showCharacter

protected void showCharacter(TextPosition text)

This will show add a character to the list of characters to be printed to the text file.

Overrides:

showCharacter in class PDFTextStripper

Parameters:

text - The description of the character to display.

flushText

protected void flushText()
                  throws IOException

This will print the text to the output stream.

Overrides:

flushText in class PDFTextStripper

Throws:

IOException - If there is an error writing the text.