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* Copyright (c) 2005, www.pdfbox.org
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*
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package org.pdfbox.examples.util;
import org.pdfbox.exceptions.InvalidPasswordException;
import org.pdfbox.pdmodel.PDDocument;
import org.pdfbox.pdmodel.PDPage;
import org.pdfbox.util.PDFTextStripperByArea;
import java.awt.Rectangle;
import java.util.List;
/**
* This is an example on how to extract text from a specific area on the PDF document.
*
* Usage: java org.pdfbox.examples.util.ExtractTextByArea <input-pdf>
*
* @author <a href="mailto:ben@benlitchfield.com">Ben Litchfield</a>
* @version $Revision: 1.2 $
*/
public class ExtractTextByArea
{
private ExtractTextByArea()
{
//utility class and should not be constructed.
}
/**
* This will print the documents text in a certain area.
*
* @param args The command line arguments.
*
* @throws Exception If there is an error parsing the document.
*/
public static void main( String[] args ) throws Exception
{
if( args.length != 1 )
{
usage();
}
else
{
PDDocument document = null;
try
{
document = PDDocument.load( args[0] );
if( document.isEncrypted() )
{
try
{
document.decrypt( "" );
}
catch( InvalidPasswordException e )
{
System.err.println( "Error: Document is encrypted with a password." );
System.exit( 1 );
}
}
PDFTextStripperByArea stripper = new PDFTextStripperByArea();
stripper.setSortByPosition( true );
Rectangle rect = new Rectangle( 10, 280, 275, 60 );
stripper.addRegion( "class1", rect );
List allPages = document.getDocumentCatalog().getAllPages();
PDPage firstPage = (PDPage)allPages.get( 0 );
stripper.extractRegions( firstPage );
System.out.println( "Text in the area:" + rect );
System.out.println( stripper.getTextForRegion( "class1" ) );
}
finally
{
if( document != null )
{
document.close();
}
}
}
}
/**
* This will print the usage for this document.
*/
private static void usage()
{
System.err.println( "Usage: java org.pdfbox.examples.util.ExtractTextByArea <input-pdf>" );
}
}