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/hyphenation/ByteVector.java

/*
 * Copyright 1999-2004 The Apache Software Foundation.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.itextpdf.text.pdf.hyphenation;

import java.io.Serializable;

/**
 * This class implements a simple byte vector with access to the
 * underlying array.
 *
 * @author Carlos Villegas <cav@uniscope.co.jp>
 */
public class ByteVector implements Serializable {

    private static final long serialVersionUID = -1096301185375029343L;
	/**
     * Capacity increment size
     */
    private static final int DEFAULT_BLOCK_SIZE = 2048;
    private int blockSize;

    /**
     * The encapsulated array
     */
    private byte[] array;

    /**
     * Points to next free item
     */
    private int n;

    public ByteVector() {
        this(DEFAULT_BLOCK_SIZE);
    }

    public ByteVector(int capacity) {
        if (capacity > 0) {
            blockSize = capacity;
        } else {
            blockSize = DEFAULT_BLOCK_SIZE;
        }
        array = new byte[blockSize];
        n = 0;
    }

    public ByteVector(byte[] a) {
        blockSize = DEFAULT_BLOCK_SIZE;
        array = a;
        n = 0;
    }

    public ByteVector(byte[] a, int capacity) {
        if (capacity > 0) {
            blockSize = capacity;
        } else {
            blockSize = DEFAULT_BLOCK_SIZE;
        }
        array = a;
        n = 0;
    }

    public byte[] getArray() {
        return array;
    }

    /**
     * return number of items in array
     */
    public int length() {
        return n;
    }

    /**
     * returns current capacity of array
     */
    public int capacity() {
        return array.length;
    }

    public void put(int index, byte val) {
        array[index] = val;
    }

    public byte get(int index) {
        return array[index];
    }

    /**
     * This is to implement memory allocation in the array. Like malloc().
     */
    public int alloc(int size) {
        int index = n;
        int len = array.length;
        if (n + size >= len) {
            byte[] aux = new byte[len + blockSize];
            System.arraycopy(array, 0, aux, 0, len);
            array = aux;
        }
        n += size;
        return index;
    }

    public void trimToSize() {
        if (n < array.length) {
            byte[] aux = new byte[n];
            System.arraycopy(array, 0, aux, 0, n);
            array = aux;
        }
    }

}

⏎ com/itextpdf/text/pdf/hyphenation/ByteVector.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