iText 5 itextpdf.jar Source Code

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:

✍: FYIcenter.com

com/itextpdf/text/pdf/parser/PdfReaderContentParser.java

/*
 *
 * This file is part of the iText (R) project.
    Copyright (c) 1998-2020 iText Group NV
 * Authors: Bruno Lowagie, Kevin Day, 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.parser;

import java.io.IOException;

import com.itextpdf.text.pdf.PdfDictionary;
import com.itextpdf.text.pdf.PdfName;
import com.itextpdf.text.pdf.PdfReader;

import java.util.HashMap;
import java.util.Map;

/**
 * A utility class that makes it cleaner to process content from pages of a PdfReader
 * through a specified RenderListener.
 * @since 5.0.2
 */
public class PdfReaderContentParser {
    /** the reader this parser will process */
    private final PdfReader reader;
    
    public PdfReaderContentParser(PdfReader reader) {
        this.reader = reader;
    }
    
    /**
     * Processes content from the specified page number using the specified listener.
     * Also allows registration of custom ContentOperators
     * @param <E> the type of the renderListener - this makes it easy to chain calls
     * @param pageNumber the page number to process
     * @param renderListener the listener that will receive render callbacks
     * @param additionalContentOperators an optional map of custom ContentOperators for rendering instructions
     * @return the provided renderListener
     * @throws IOException if operations on the reader fail
     */
    
    public <E extends RenderListener> E processContent(int pageNumber, E renderListener, Map<String, ContentOperator> additionalContentOperators) throws IOException{
        PdfDictionary pageDic = reader.getPageN(pageNumber);
        PdfDictionary resourcesDic = pageDic.getAsDict(PdfName.RESOURCES);
        
        PdfContentStreamProcessor processor = new PdfContentStreamProcessor(renderListener);
        for(Map.Entry<String, ContentOperator> entry : additionalContentOperators.entrySet()) {
            processor.registerContentOperator(entry.getKey(), entry.getValue());
        }
        processor.processContent(ContentByteUtils.getContentBytesForPage(reader, pageNumber), resourcesDic);        
        return renderListener;

    }
    
    /**
     * Processes content from the specified page number using the specified listener
     * @param <E> the type of the renderListener - this makes it easy to chain calls
     * @param pageNumber the page number to process
     * @param renderListener the listener that will receive render callbacks
     * @return the provided renderListener
     * @throws IOException if operations on the reader fail
     *
     * @link PdfReaderContentParser#processContent(int, E, Map)
     * {@code map} defaults to null.
     */
    public <E extends RenderListener> E processContent(int pageNumber, E renderListener) throws IOException{
        return processContent(pageNumber, renderListener, new HashMap<String, ContentOperator>());
    }
}

com/itextpdf/text/pdf/parser/PdfReaderContentParser.java

 

⇒ 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

2021-07-03, 47939👍, 0💬