/*
 *
 * This file is part of the iText (R) project.
    Copyright (c) 1998-2017 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.log;

import com.itextpdf.text.Version;
import com.itextpdf.text.pdf.codec.Base64;

/**
 * Implementation of the Counter interface that doesn't do anything.
 */
public class DefaultCounter implements Counter {

    private int count = 0;
    private int level = 0;
    private final int[] repeat = {10000, 5000, 1000};
    private int repeat_level = 10000;

    /**
     * @param klass
     * @return this Counter implementation
     * @see com.itextpdf.text.log.Counter#getCounter(java.lang.Class)
     */
    public Counter getCounter(Class<?> klass) {
        return this;
    }

    /**
     * @see com.itextpdf.text.log.Counter#read(long)
     */
    public void read(long l) {
        plusOne();
    }

    /**
     * @see com.itextpdf.text.log.Counter#written(long)
     */
    public void written(long l) {
        plusOne();
    }

    private void plusOne() {
        if (count++ > repeat_level) {
            if (Version.isAGPLVersion()) {
                level++;
                if (level == 1) {
                    repeat_level = repeat[1];
                } else {
                    repeat_level = repeat[2];
                }
                System.out.println(new String(message));
            }
            count = 0;
        }
    }

    private static byte[] message = Base64.decode(
        "DQoNCllvdSBhcmUgdXNpbmcgaVRleHQgdW5kZXIgdGhlIEFHUEwuDQoNCklmIHR"
      + "oaXMgaXMgeW91ciBpbnRlbnRpb24sIHlvdSBoYXZlIHB1Ymxpc2hlZCB5b3VyIG"
      + "93biBzb3VyY2UgY29kZSBhcyBBR1BMIHNvZnR3YXJlIHRvby4NClBsZWFzZSBsZ"
      + "XQgdXMga25vdyB3aGVyZSB0byBmaW5kIHlvdXIgc291cmNlIGNvZGUgYnkgc2Vu"
      + "ZGluZyBhIG1haWwgdG8gYWdwbEBpdGV4dHBkZi5jb20NCldlJ2QgYmUgaG9ub3J"
      + "lZCB0byBhZGQgaXQgdG8gb3VyIGxpc3Qgb2YgQUdQTCBwcm9qZWN0cyBidWlsdC"
      + "BvbiB0b3Agb2YgaVRleHQgb3IgaVRleHRTaGFycA0KYW5kIHdlJ2xsIGV4cGxha"
      + "W4gaG93IHRvIHJlbW92ZSB0aGlzIG1lc3NhZ2UgZnJvbSB5b3VyIGVycm9yIGxv"
      + "Z3MuDQoNCklmIHRoaXMgd2Fzbid0IHlvdXIgaW50ZW50aW9uLCB5b3UgYXJlIHB"
      + "yb2JhYmx5IHVzaW5nIGlUZXh0IGluIGEgbm9uLWZyZWUgZW52aXJvbm1lbnQuDQ"
      + "pJbiB0aGlzIGNhc2UsIHBsZWFzZSBjb250YWN0IHVzIGJ5IGZpbGxpbmcgb3V0I"
      + "HRoaXMgZm9ybTogaHR0cDovL2l0ZXh0cGRmLmNvbS9zYWxlcw0KSWYgeW91IGFy"
      + "ZSBhIGN1c3RvbWVyLCB3ZSdsbCBleHBsYWluIGhvdyB0byBpbnN0YWxsIHlvdXI"
      + "gbGljZW5zZSBrZXkgdG8gYXZvaWQgdGhpcyBtZXNzYWdlLg0KSWYgeW91J3JlIG"
      + "5vdCBhIGN1c3RvbWVyLCB3ZSdsbCBleHBsYWluIHRoZSBiZW5lZml0cyBvZiBiZ"
      + "WNvbWluZyBhIGN1c3RvbWVyLg0KDQo=");
}