itextpdf.jar is a component in iText 5 Java library to provide core functionalities. iText Java library allows you to generate and manage PDF documents.

The Source Code files are provided at iText GitHub site.

You can compile it to generate your JAR file, using pom.xml as the build configuration file.

The source code of itextpdf-5.5.14.jar is provided below:

⏎ com/itextpdf/text/pdf/PdfImportedPage.java

/*
 *
 * This file is part of the iText (R) project.
    Copyright (c) 1998-2020 iText Group NV
 * Authors: Bruno Lowagie, Paulo Soares, et al.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License version 3
 * as published by the Free Software Foundation with the addition of the
 * following permission added to Section 15 as permitted in Section 7(a):
 * FOR ANY PART OF THE COVERED WORK IN WHICH THE COPYRIGHT IS OWNED BY
 * ITEXT GROUP. ITEXT GROUP DISCLAIMS THE WARRANTY OF NON INFRINGEMENT
 * OF THIRD PARTY RIGHTS
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU Affero General Public License for more details.
 * You should have received a copy of the GNU Affero General Public License
 * along with this program; if not, see http://www.gnu.org/licenses or write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA, 02110-1301 USA, or download the license from the following URL:
 * http://itextpdf.com/terms-of-use/
 *
 * The interactive user interfaces in modified source and object code versions
 * of this program must display Appropriate Legal Notices, as required under
 * Section 5 of the GNU Affero General Public License.
 *
 * In accordance with Section 7(b) of the GNU Affero General Public License,
 * a covered work must retain the producer line in every PDF that is created
 * or manipulated using iText.
 *
 * You can be released from the requirements of the license by purchasing
 * a commercial license. Buying such a license is mandatory as soon as you
 * develop commercial activities involving the iText software without
 * disclosing the source code of your own applications.
 * These activities include: offering paid services to customers as an ASP,
 * serving PDFs on the fly in a web application, shipping iText with a closed
 * source product.
 *
 * For more information, please contact iText Software Corp. at this
 * address: sales@itextpdf.com
 */
package com.itextpdf.text.pdf;
import java.io.IOException;

import com.itextpdf.text.error_messages.MessageLocalization;

import com.itextpdf.text.DocumentException;
import com.itextpdf.text.Image;

/** Represents an imported page.
 *
 * @author Paulo Soares
 */
public class PdfImportedPage extends com.itextpdf.text.pdf.PdfTemplate {

    PdfReaderInstance readerInstance;
    int pageNumber;
    int rotation;
    
    /**
     * True if the imported page has been copied to a writer.
     * @since iText 5.0.4
     */
    protected boolean toCopy = true;
    
    PdfImportedPage(PdfReaderInstance readerInstance, PdfWriter writer, int pageNumber) {
        this.readerInstance = readerInstance;
        this.pageNumber = pageNumber;
        this.writer = writer;
        rotation = readerInstance.getReader().getPageRotation(pageNumber);
        bBox = readerInstance.getReader().getPageSize(pageNumber);
        setMatrix(1, 0, 0, 1, -bBox.getLeft(), -bBox.getBottom());
        type = TYPE_IMPORTED;
    }

    /** Reads the content from this <CODE>PdfImportedPage</CODE>-object from a reader.
     *
     * @return self
     *
     */
    public PdfImportedPage getFromReader() {
      return this;
    }

    public int getPageNumber() {
        return pageNumber;
    }

    public int getRotation() {
        return rotation;
    }


    /** Always throws an error. This operation is not allowed.
     * @param image dummy
     * @param a dummy
     * @param b dummy
     * @param c dummy
     * @param d dummy
     * @param e dummy
     * @param f dummy
     * @throws DocumentException  dummy */    
    public void addImage(Image image, float a, float b, float c, float d, float e, float f) throws DocumentException {
        throwError();
    }
    
    /** Always throws an error. This operation is not allowed.
     * @param template dummy
     * @param a dummy
     * @param b dummy
     * @param c dummy
     * @param d dummy
     * @param e dummy
     * @param f  dummy */    
    public void addTemplate(PdfTemplate template, float a, float b, float c, float d, float e, float f) {
        throwError();
    }
    
    /** Always throws an error. This operation is not allowed.
     * @return  dummy */    
    public PdfContentByte getDuplicate() {
        throwError();
        return null;
    }

    /**
     * Gets the stream representing this page.
     *
     * @param	compressionLevel	the compressionLevel
     * @return the stream representing this page
     * @since	2.1.3	(replacing the method without param compressionLevel)
     */
    public PdfStream getFormXObject(int compressionLevel) throws IOException {
         return readerInstance.getFormXObject(pageNumber, compressionLevel);
    }
    
    public void setColorFill(PdfSpotColor sp, float tint) {
        throwError();
    }
    
    public void setColorStroke(PdfSpotColor sp, float tint) {
        throwError();
    }
    
    PdfObject getResources() {
        return readerInstance.getResources(pageNumber);
    }
    
    /** Always throws an error. This operation is not allowed.
     * @param bf dummy
     * @param size dummy */    
    public void setFontAndSize(BaseFont bf, float size) {
        throwError();
    }
    
    /**
     * Always throws an error. This operation is not allowed.
     * @param group New value of property group.
     * @since	2.1.6
     */ 
    public void setGroup(PdfTransparencyGroup group) {
        throwError();
	}

	void throwError() {
        throw new RuntimeException(MessageLocalization.getComposedMessage("content.can.not.be.added.to.a.pdfimportedpage"));
    }
    
    PdfReaderInstance getPdfReaderInstance() {
        return readerInstance;
    }

	/**
	 * Checks if the page has to be copied.
	 * @return true if the page has to be copied.
	 * @since iText 5.0.4
	 */
	public boolean isToCopy() {
		return toCopy;
	}

	/**
	 * Indicate that the resources of the imported page have been copied.
	 * @since iText 5.0.4
	 */
	public void setCopied() {
		toCopy = false;
	}
}

⏎ com/itextpdf/text/pdf/PdfImportedPage.java

Or download all of them as a single archive file:

File name: itextpdf-5.5.14-fyi.zip
File size: 2163839 bytes
Release date: 2009-10-09
Download 

⇒ iText-2.1.6.jar - iText, a JAVA-PDF library

⇐ iText layout.jar Source Code

⇑ Download and Install iText Java Library

⇑⇑ iText for PDF Generation