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/PdfStructureTreeRoot.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 com.itextpdf.text.pdf.interfaces.IPdfStructureElement;

import java.io.IOException;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * The structure tree root corresponds to the highest hierarchy level in a tagged PDF.
 * @author Paulo Soares
 */
public class PdfStructureTreeRoot extends PdfDictionary implements IPdfStructureElement {

    private HashMap<Integer, PdfObject> parentTree = new HashMap<Integer, PdfObject>();
    private PdfIndirectReference reference;
    private PdfDictionary classMap = null;
    protected HashMap<PdfName,PdfObject> classes = null;
    private HashMap<Integer, PdfIndirectReference> numTree = null;
    private HashMap<String, PdfObject> idTreeMap;

    /**
     * Holds value of property writer.
     */
    private PdfWriter writer;

    /** Creates a new instance of PdfStructureTreeRoot */
    PdfStructureTreeRoot(PdfWriter writer) {
        super(PdfName.STRUCTTREEROOT);
        this.writer = writer;
        reference = writer.getPdfIndirectReference();
    }

    private void createNumTree() throws IOException {
        if (numTree != null) return;
        numTree = new HashMap<Integer, PdfIndirectReference>();
        for (Integer i: parentTree.keySet()) {
            PdfObject obj = parentTree.get(i);
            if (obj.isArray()) {
                PdfArray ar = (PdfArray)obj;
                numTree.put(i, writer.addToBody(ar).getIndirectReference());
            } else if (obj instanceof PdfIndirectReference) {
                numTree.put(i, (PdfIndirectReference)obj);
            }
        }
    }

    /**
     * Maps the user tags to the standard tags. The mapping will allow a standard application to make some sense of the tagged
     * document whatever the user tags may be.
     * @param used the user tag
     * @param standard the standard tag
     */
    public void mapRole(PdfName used, PdfName standard) {
        PdfDictionary rm = (PdfDictionary)get(PdfName.ROLEMAP);
        if (rm == null) {
            rm = new PdfDictionary();
            put(PdfName.ROLEMAP, rm);
        }
        rm.put(used, standard);
    }

    public void mapClass(PdfName name, PdfObject object) {
        if (classMap == null) {
            classMap = new PdfDictionary();
            classes = new HashMap<PdfName, PdfObject>();
        }
        classes.put(name,object);
    }
    
    void putIDTree(String record, PdfObject reference) {
        if (idTreeMap == null)
            idTreeMap = new HashMap<String, PdfObject>();
        idTreeMap.put(record, reference);
    }

    public PdfObject getMappedClass(PdfName name) {
        if (classes == null)
            return null;
        return classes.get(name);
    }

    /**
     * Gets the writer.
     * @return the writer
     */
    public PdfWriter getWriter() {
        return this.writer;
    }

    public HashMap<Integer, PdfIndirectReference> getNumTree() throws IOException {
        if (numTree == null) createNumTree();
        return numTree;
    }

    /**
     * Gets the reference this object will be written to.
     * @return the reference this object will be written to
     * @since	2.1.6 method removed in 2.1.5, but restored in 2.1.6
     */
    public PdfIndirectReference getReference() {
        return this.reference;
    }

    void setPageMark(int page, PdfIndirectReference struc) {
        Integer i = Integer.valueOf(page);
        PdfArray ar = (PdfArray)parentTree.get(i);
        if (ar == null) {
            ar = new PdfArray();
            parentTree.put(i, ar);
        }
        ar.add(struc);
    }

    void setAnnotationMark(int structParentIndex, PdfIndirectReference struc) {
        parentTree.put(Integer.valueOf(structParentIndex), struc);
    }
    
    void buildTree() throws IOException {
        createNumTree();
        PdfDictionary dicTree = PdfNumberTree.writeTree(numTree, writer);
        if (dicTree != null)
            put(PdfName.PARENTTREE, writer.addToBody(dicTree).getIndirectReference());
        if (classMap != null && !classes.isEmpty()) {
            for (Map.Entry<PdfName,PdfObject> entry : classes.entrySet()) {
                PdfObject value = entry.getValue();
                if (value.isDictionary())
                    classMap.put(entry.getKey(), writer.addToBody(value).getIndirectReference());
                else if (value.isArray()) {
                    PdfArray newArray = new PdfArray();
                    PdfArray array = (PdfArray)value;
                    for (int i = 0; i < array.size(); ++i) {
                        if (array.getPdfObject(i).isDictionary())
                            newArray.add(writer.addToBody(array.getAsDict(i)).getIndirectReference());
                    }
                    classMap.put(entry.getKey(),newArray);
                }
            }
            put(PdfName.CLASSMAP, writer.addToBody(classMap).getIndirectReference());
        }
        if (idTreeMap != null && !idTreeMap.isEmpty()) {
            PdfDictionary dic = PdfNameTree.writeTree(idTreeMap, writer);
            this.put(PdfName.IDTREE, dic);
        }
        writer.addToBody(this, reference);
    }

    /**
     * Gets the first entarance of attribute.
     * @returns PdfObject
     * @since 5.3.4
     */
    public PdfObject getAttribute(PdfName name){
        PdfDictionary attr = getAsDict(PdfName.A);
        if (attr != null){
            if (attr.contains(name))
                return attr.get(name);
        }
        return null;
    }

    /**
     * Sets the attribute value.
     * @since 5.3.4
     */
    public void setAttribute(PdfName name, PdfObject obj){
        PdfDictionary attr = getAsDict(PdfName.A);
        if (attr == null){
            attr = new PdfDictionary();
            put(PdfName.A, attr);
        }
        attr.put(name, obj);
    }
}

com/itextpdf/text/pdf/PdfStructureTreeRoot.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, 47725👍, 0💬