Flattening a form

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31st May 2016
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CheckBoxFlatten.java
/*

    This file is part of the iText (R) project.
    Copyright (c) 1998-2016 iText Group NV

*/

/**
 * Example written by Bruno Lowagie in answer to:
 * http://stackoverflow.com/questions/34439850
 */
package com.itextpdf.samples.sandbox.acroforms;

import com.itextpdf.kernel.pdf.PdfDocument;
import com.itextpdf.kernel.pdf.PdfReader;
import com.itextpdf.kernel.pdf.PdfWriter;
import com.itextpdf.forms.PdfAcroForm;
import com.itextpdf.samples.GenericTest;
import com.itextpdf.test.annotations.type.SampleTest;

import java.io.File;

import org.junit.experimental.categories.Category;

@Category(SampleTest.class)
public class CheckBoxFlatten extends GenericTest {
    public static final String DEST
            = "./target/test/resources/sandbox/acroforms/checkbox_flatten.pdf";
    public static final String SRC
            = "./src/test/resources/pdfs/checkboxes.pdf";

    public static void main(String[] args) throws Exception {
        File file = new File(DEST);
        file.getParentFile().mkdirs();
        new CheckBoxFlatten().manipulatePdf(DEST);
    }

    @Override
    protected void manipulatePdf(String dest) throws Exception {
        PdfDocument pdfDoc = new PdfDocument(new PdfReader(SRC), new PdfWriter(DEST));
        PdfAcroForm.getAcroForm(pdfDoc, true).flattenFields();
        pdfDoc.close();
    }
}
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