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/ExceptionConverter.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
 */

/*
 * The original version of this class was published in an article by professor Heinz Kabutz.
 * Read http://www.javaspecialists.eu/archive/Issue033.html
 * "This material from The Java(tm) Specialists' Newsletter by Maximum Solutions (South Africa).
 * Please contact Maximum Solutions for more information."
 * 
 * Copyright (C) 2001 Dr. Heinz M. Kabutz
 * Permission was granted by Dr. Kabutz to use this source code in iText.
 */
package com.itextpdf.text;

/**
 * The ExceptionConverter changes a checked exception into an
 * unchecked exception.
 */
public class ExceptionConverter extends RuntimeException {
    private static final long serialVersionUID = 8657630363395849399L;
	/** we keep a handle to the wrapped exception */
    private Exception ex;
    /** prefix for the exception */
    private String prefix;

    /**
     * Construct a RuntimeException based on another Exception
     * @param ex the exception that has to be turned into a RuntimeException
     */
    public ExceptionConverter(Exception ex) {
        super(ex);
        this.ex = ex;
        prefix = (ex instanceof RuntimeException) ? "" : "ExceptionConverter: ";
    }

    /**
     * Convert an Exception into an unchecked exception. Return the exception if it is
     * already an unchecked exception or return an ExceptionConverter wrapper otherwise
     *
     * @param ex the exception to convert
     * @return an unchecked exception 
     * @since 2.1.6
     */
    public static final RuntimeException convertException(Exception ex) {
        if (ex instanceof RuntimeException) {
            return (RuntimeException) ex;
        }
        return new ExceptionConverter(ex);
    }

    /**
     * and allow the user of ExceptionConverter to get a handle to it. 
     * @return the original exception
     */
    public Exception getException() {
        return ex;
    }

    /**
     * We print the message of the checked exception 
     * @return message of the original exception
     */
    public String getMessage() {
        return ex.getMessage();
    }

    /**
     * and make sure we also produce a localized version
     * @return localized version of the message
     */
    public String getLocalizedMessage() {
        return ex.getLocalizedMessage();
    }

    /**
     * The toString() is changed to be prefixed with ExceptionConverter 
     * @return String version of the exception
     */
    public String toString() {
        return prefix + ex;
    }

    /** we have to override this as well */
    public void printStackTrace() {
        printStackTrace(System.err);
    }

    /**
     * here we prefix, with s.print(), not s.println(), the stack
     * trace with "ExceptionConverter:" 
     * @param s
     */
    public void printStackTrace(java.io.PrintStream s) {
        synchronized (s) {
            s.print(prefix);
            ex.printStackTrace(s);
        }
    }

    /**
     * Again, we prefix the stack trace with "ExceptionConverter:" 
     * @param s
     */
    public void printStackTrace(java.io.PrintWriter s) {
        synchronized (s) {
            s.print(prefix);
            ex.printStackTrace(s);
        }
    }

    /**
     * requests to fill in the stack trace we will have to ignore.
     * We can't throw an exception here, because this method
     * is called by the constructor of Throwable 
     * @return a Throwable
     */
    public Throwable fillInStackTrace() {
        return this;
    }
}

⏎ com/itextpdf/text/ExceptionConverter.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