Package eu.europa.esig.dss.pdf.pdfbox

Class PdfBoxUtils

java.lang.Object

eu.europa.esig.dss.pdf.pdfbox.PdfBoxUtils

public class PdfBoxUtils
extends Object

Contains a set of utils for PdfBox implementation

Method Summary

Modifier and Type	Method	Description
static BufferedImage	generateBufferedImageScreenshot(DSSDocument pdfDocument, String passwordProtection, int page)	The method generates a BufferedImage for the specified page of the document
static BufferedImage	generateBufferedImageScreenshot(org.apache.pdfbox.pdmodel.PDDocument pdDocument, int page)	The method generates a BufferedImage for the specified page of the document
static DSSDocument	generateScreenshot(DSSDocument pdfDocument, int page)	Generates a screenshot image of the specified page for the given PDF document
static DSSDocument	generateScreenshot(DSSDocument pdfDocument, String passwordProtection, int page)	Generates a screenshot image of the specified page for the given PDF document
static DSSDocument	generateSubtractionImage(DSSDocument document1, DSSDocument document2, int page)	This method returns an image representing a subtraction result between document1 and document2 for the given page number
static DSSDocument	generateSubtractionImage(DSSDocument document1, String passwordDocument1, int pageDocument1, DSSDocument document2, String passwordDocument2, int pageDocument2)	This method returns an image representing a subtraction result between document1 and document2 for the defined pages

Methods inherited from class java.lang.Object

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

Method Details

generateScreenshot

public static DSSDocument generateScreenshot(DSSDocument pdfDocument,
int page)

Generates a screenshot image of the specified page for the given PDF document

Parameters:

pdfDocument - DSSDocument to generate screenshot for

page - a page number

Returns:

DSSDocument PNG screenshot

generateScreenshot

public static DSSDocument generateScreenshot(DSSDocument pdfDocument,
String passwordProtection,
int page)

Generates a screenshot image of the specified page for the given PDF document

Parameters:

pdfDocument - DSSDocument to generate screenshot for

passwordProtection - String a PDF password protection phrase

page - a page number

Returns:

DSSDocument PNG screenshot

generateBufferedImageScreenshot

public static BufferedImage generateBufferedImageScreenshot(DSSDocument pdfDocument,
String passwordProtection,
int page)

The method generates a BufferedImage for the specified page of the document

Parameters:

pdfDocument - DSSDocument to generate screenshot for

passwordProtection - String a PDF password protection phrase

page - a page number to be generates (starts from 1)

Returns:

BufferedImage

generateBufferedImageScreenshot

public static BufferedImage generateBufferedImageScreenshot(org.apache.pdfbox.pdmodel.PDDocument pdDocument,
int page)
                                                     throws IOException

The method generates a BufferedImage for the specified page of the document

Parameters:

pdDocument - PDDocument to generate screenshot for

page - a page number to be generates (starts from 1)

Returns:

BufferedImage

Throws:

IOException - if an exception occurs

generateSubtractionImage

public static DSSDocument generateSubtractionImage(DSSDocument document1,
DSSDocument document2,
int page)

This method returns an image representing a subtraction result between document1 and document2 for the given page number

Parameters:

document1 - DSSDocument

document2 - DSSDocument

page - page number

Returns:

DSSDocument subtraction result

generateSubtractionImage

public static DSSDocument generateSubtractionImage(DSSDocument document1,
String passwordDocument1,
int pageDocument1,
DSSDocument document2,
String passwordDocument2,
int pageDocument2)

This method returns an image representing a subtraction result between document1 and document2 for the defined pages

Parameters:

document1 - DSSDocument the first document

passwordDocument1 - String a password protection for the document1 when applicable (can be null)

pageDocument1 - page number identifying a page of the document1 to be proceeded

document2 - DSSDocument the second document

passwordDocument2 - String a password protection for the document2 when applicable (can be null)

pageDocument2 - page number identifying a page of the document2 to be proceeded

Returns:

DSSDocument subtraction result