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/events/IndexEvents.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.events;

import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.TreeMap;

import com.itextpdf.text.Chunk;
import com.itextpdf.text.Document;
import com.itextpdf.text.Rectangle;
import com.itextpdf.text.pdf.PdfPageEventHelper;
import com.itextpdf.text.pdf.PdfWriter;

/**
 * Class for an index.
 *
 * @author Michael Niedermair
 */
public class IndexEvents extends PdfPageEventHelper {

    /**
     * keeps the indextag with the pagenumber
     */
    private Map<String, Integer> indextag = new TreeMap<String, Integer>();

    /**
     * All the text that is passed to this event, gets registered in the indexentry.
     *
     * @see com.itextpdf.text.pdf.PdfPageEventHelper#onGenericTag(
     *      com.itextpdf.text.pdf.PdfWriter, com.itextpdf.text.Document,
     *      com.itextpdf.text.Rectangle, java.lang.String)
     */
    @Override
    public void onGenericTag(PdfWriter writer, Document document,
            Rectangle rect, String text) {
        indextag.put(text, Integer.valueOf(writer.getPageNumber()));
    }

    // --------------------------------------------------------------------
    /**
     * indexcounter
     */
    private long indexcounter = 0;

    /**
     * the list for the index entry
     */
    private List<Entry> indexentry = new ArrayList<Entry>();

    /**
     * Create an index entry.
     *
     * @param text  The text for the Chunk.
     * @param in1   The first level.
     * @param in2   The second level.
     * @param in3   The third level.
     * @return Returns the Chunk.
     */
    public Chunk create(final String text, final String in1, final String in2,
            final String in3) {

        Chunk chunk = new Chunk(text);
        String tag = "idx_" + indexcounter++;
        chunk.setGenericTag(tag);
        chunk.setLocalDestination(tag);
        Entry entry = new Entry(in1, in2, in3, tag);
        indexentry.add(entry);
        return chunk;
    }

    /**
     * Create an index entry.
     *
     * @param text  The text for the Chunk.
     * @param in1   The first level.
     * @return Returns the Chunk.
     */
    public Chunk create(final String text, final String in1) {
        return create(text, in1, "", "");
    }

    /**
     * Create an index entry.
     *
     * @param text  The text for the Chunk.
     * @param in1   The first level.
     * @param in2   The second level.
     * @return Returns the Chunk.
     */
    public Chunk create(final String text, final String in1, final String in2) {
        return create(text, in1, in2, "");
    }

    /**
     * Create an index entry.
     *
     * @param text  The text.
     * @param in1   The first level.
     * @param in2   The second level.
     * @param in3   The third level.
     */
    public void create(final Chunk text, final String in1, final String in2,
            final String in3) {

        String tag = "idx_" + indexcounter++;
        text.setGenericTag(tag);
        text.setLocalDestination(tag);
        Entry entry = new Entry(in1, in2, in3, tag);
        indexentry.add(entry);
    }

    /**
     * Create an index entry.
     *
     * @param text  The text.
     * @param in1   The first level.
     */
    public void create(final Chunk text, final String in1) {
        create(text, in1, "", "");
    }

    /**
     * Create an index entry.
     *
     * @param text  The text.
     * @param in1   The first level.
     * @param in2   The second level.
     */
    public void create(final Chunk text, final String in1, final String in2) {
        create(text, in1, in2, "");
    }

    /**
     * Comparator for sorting the index
     */
    private Comparator<Entry> comparator = new Comparator<Entry>() {

        public int compare(Entry en1, Entry en2) {
            int rt = 0;
            if (en1.getIn1() != null && en2.getIn1() != null) {
                if ((rt = en1.getIn1().compareToIgnoreCase(en2.getIn1())) == 0) {
                    // in1 equals
                    if (en1.getIn2() != null && en2.getIn2() != null) {
                        if ((rt = en1.getIn2()
                                .compareToIgnoreCase(en2.getIn2())) == 0) {
                            // in2 equals
                            if (en1.getIn3() != null && en2.getIn3() != null) {
                                rt = en1.getIn3().compareToIgnoreCase(
                                        en2.getIn3());
                            }
                        }
                    }
                }
            }
            return rt;
        }
    };

    /**
     * Set the comparator.
     * @param aComparator The comparator to set.
     */
    public void setComparator(Comparator<Entry> aComparator) {
        comparator = aComparator;
    }

    /**
     * Returns the sorted list with the entries and the collected page numbers.
     * @return Returns the sorted list with the entries and the collected page numbers.
     */
    public List<Entry> getSortedEntries() {

        Map<String, Entry> grouped = new HashMap<String, Entry>();

        for (int i = 0; i < indexentry.size(); i++) {
            Entry e = indexentry.get(i);
            String key = e.getKey();

            Entry master = grouped.get(key);
            if (master != null) {
                master.addPageNumberAndTag(e.getPageNumber(), e.getTag());
            } else {
                e.addPageNumberAndTag(e.getPageNumber(), e.getTag());
                grouped.put(key, e);
            }
        }

        // copy to a list and sort it
        List<Entry> sorted = new ArrayList<Entry>(grouped.values());
        Collections.sort(sorted, comparator);
        return sorted;
    }

    // --------------------------------------------------------------------
    /**
     * Class for an index entry.
     * <p>
     * In the first step, only in1, in2,in3 and tag are used.
     * After the collections of the index entries, pagenumbers are used.
     * </p>
     */
    public class Entry {

        /**
         * first level
         */
        private String in1;

        /**
         * second level
         */
        private String in2;

        /**
         * third level
         */
        private String in3;

        /**
         * the tag
         */
        private String tag;

        /**
         * the list of all page numbers.
         */
        private List<Integer> pagenumbers = new ArrayList<Integer>();

        /**
         * the list of all tags.
         */
        private List<String> tags = new ArrayList<String>();

        /**
         * Create a new object.
         * @param aIn1   The first level.
         * @param aIn2   The second level.
         * @param aIn3   The third level.
         * @param aTag   The tag.
         */
        public Entry(final String aIn1, final String aIn2, final String aIn3,
                final String aTag) {
            in1 = aIn1;
            in2 = aIn2;
            in3 = aIn3;
            tag = aTag;
        }

        /**
         * Returns the in1.
         * @return Returns the in1.
         */
        public String getIn1() {
            return in1;
        }

        /**
         * Returns the in2.
         * @return Returns the in2.
         */
        public String getIn2() {
            return in2;
        }

        /**
         * Returns the in3.
         * @return Returns the in3.
         */
        public String getIn3() {
            return in3;
        }

        /**
         * Returns the tag.
         * @return Returns the tag.
         */
        public String getTag() {
            return tag;
        }

        /**
         * Returns the pagenumber for this entry.
         * @return Returns the pagenumber for this entry.
         */
        public int getPageNumber() {
            int rt = -1;
            Integer i = indextag.get(tag);
            if (i != null) {
                rt = i.intValue();
            }
            return rt;
        }

        /**
         * Add a pagenumber.
         * @param number    The page number.
         * @param tag
         */
        public void addPageNumberAndTag(final int number, final String tag) {
            pagenumbers.add(Integer.valueOf(number));
            tags.add(tag);
        }

        /**
         * Returns the key for the map-entry.
         * @return Returns the key for the map-entry.
         */
        public String getKey() {
            return in1 + "!" + in2 + "!" + in3;
        }

        /**
         * Returns the pagenumbers.
         * @return Returns the pagenumbers.
         */
        public List<Integer> getPagenumbers() {
            return pagenumbers;
        }

        /**
         * Returns the tags.
         * @return Returns the tags.
         */
        public List<String> getTags() {
            return tags;
        }

        /**
         * print the entry (only for test)
         * @return the toString implementation of the entry
         */
        @Override
        public String toString() {
            StringBuffer buf = new StringBuffer();
            buf.append(in1).append(' ');
            buf.append(in2).append(' ');
            buf.append(in3).append(' ');
            for (int i = 0; i < pagenumbers.size(); i++) {
                buf.append(pagenumbers.get(i)).append(' ');
            }
            return buf.toString();
        }
    }
}

com/itextpdf/text/pdf/events/IndexEvents.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, 48082👍, 0💬