/**
* Copyright (c) 2003, www.pdfbox.org
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of pdfbox; nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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*/
package org.pdfbox.examples.fdf;
import java.io.FileInputStream;
import java.io.IOException;
import java.util.Iterator;
import java.util.List;
import org.pdfbox.pdmodel.annotation.interactive.PDAcroForm;
import org.pdfbox.encryption.DecryptDocument;
import org.pdfbox.exceptions.InvalidPasswordException;
import org.pdfbox.pdmodel.PDDocument;
import org.pdfbox.pdmodel.PDDocumentCatalog;
import org.pdfbox.pdmodel.annotation.interactive.PDField;
import org.pdfbox.pdfparser.PDFParser;
/**
* This example will take a PDF document and print all the fields from the file.
*
* @author Ben Litchfield (ben@csh.rit.edu)
* @version $Revision: 1.7 $
*/
public class PrintFields
{
/**
* This will print all the fields from the document.
*
* @param pdfDocument The PDF to get the fields from.
*/
public void printFields( PDDocument pdfDocument )
{
PDDocumentCatalog docCatalog = pdfDocument.getDocumentCatalog();
PDAcroForm acroForm = docCatalog.getAcroForm();
List fields = acroForm.getFields();
Iterator fieldsIter = fields.iterator();
while( fieldsIter.hasNext() )
{
PDField field = (PDField)fieldsIter.next();
String outputString =
field.getName() + "=" + field.toString() +
" rect=" + field.getRectangle();
System.out.println( outputString );
}
}
/**
* This will read a PDF file and print out the form elements.
* <br />
* see usage() for commandline
*
* @param args command line arguments
*
* @throws IOException If there is an error importing the FDF document.
*/
public static void main(String[] args) throws IOException
{
try
{
if( args.length != 1 )
{
usage();
}
else
{
PDDocument pdf = null;
FileInputStream pdfStream = null;
try
{
PrintFields exporter = new PrintFields();
pdfStream = new FileInputStream( args[0] );
PDFParser pdfParser = new PDFParser( pdfStream );
pdfParser.parse();
pdf = pdfParser.getPDDocument();
if( pdf.isEncrypted() )
{
try
{
DecryptDocument decryptor = new DecryptDocument( pdf );
decryptor.decryptDocument( "" );
}
catch( InvalidPasswordException e )
{
System.err.println( "Error: The document is encrypted." );
usage();
}
}
exporter.printFields( pdf );
}
finally
{
if( pdfStream != null )
{
pdfStream.close();
}
if( pdf != null )
{
pdf.close();
}
}
}
}
catch( Exception e )
{
e.printStackTrace();
}
}
/**
* This will print out a message telling how to use this example.
*/
private static void usage()
{
System.err.println( "usage: org.pdfbox.examples.fdf.PrintFields <pdf-file>" );
}
}