chesshog-qrcode/src/main/java/org/hedgecode/chess/qrcode/zip/ZipChessQRCodeWriter.java

   1 /*
   2  * Copyright (c) 2018-2019. Developed by Hedgecode.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *   http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 package org.hedgecode.chess.qrcode.zip;
  18
  19 import java.util.Map;
  20
  21 import com.google.zxing.EncodeHintType;
  22 import com.google.zxing.common.BitMatrix;
  23 import org.hedgecode.chess.img.ImageFormat;
  24 import org.hedgecode.chess.qrcode.ChessQRCodeException;
  25 import org.hedgecode.chess.qrcode.ChessQRCodeMode;
  26 import org.hedgecode.chess.qrcode.ChessQRCodeWriter;
  27
  28 /**
  29  *
  30  *
  31  * @author Dmitry Samoshin aka gotty
  32  */
  33 public class ZipChessQRCodeWriter extends ChessQRCodeWriter {
  34
  35     private static ChessQRCodeWriter _instance = new ZipChessQRCodeWriter();
  36
  37     protected ZipChessQRCodeWriter() {
  38         super();
  39     }
  40
  41     @Override
  42     protected BitMatrix encode(
  43             ChessQRCodeMode mode,
  44             String contents,
  45             int width, int height,
  46             Map<EncodeHintType,?> hints)
  47             throws ChessQRCodeException
  48     {
  49         if (mode == null || mode.isArchive()) {
  50             throw new ChessQRCodeException(
  51                     ChessQRCodeException.Type.WRITE, "write.qrcode.mode.null"
  52             );
  53         }
  54
  55         if (contents == null || contents.isEmpty()) {
  56             throw new ChessQRCodeException(
  57                     ChessQRCodeException.Type.WRITE, "write.qrcode.contents.empty"
  58             );
  59         }
  60
  61         String zipContents = ZipContentDeflater.deflate(
  62                 mode.name().concat(contents)
  63         );
  64
  65         return super.encode(
  66                 ChessQRCodeMode.ZIP, zipContents, width, height, hints
  67         );
  68     }
  69
  70     public static ChessQRCodeWriter getInstance() {
  71         return _instance;
  72     }
  73
  74
  75     public static void main(String[] args) {
  76         try {
  77             ZipChessQRCodeWriter.getInstance().write(
  78                     ChessQRCodeMode.PGN,
  79                     "1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Nd7 5.Ng5 Ngf6 6.Bd3 e6 7.N1f3 h6\n" +
  80                             "8.Nxe6 Qe7 9.O-O fxe6 10.Bg6+ Kd8 {Каспаров встряхнул головой} \n" +
  81                             "11.Bf4 b5 12.a4 Bb7 13.Re1 Nd5 14.Bg3 Kc8 15.axb5 cxb5 16.Qd3 Bc6 \n" +
  82                             "17.Bf5 exf5 18.Rxe7 Bxe7 19.c4 1-0",
  83                     ImageFormat.PNG,
  84                     "./qrcode.png"
  85             );
  86         } catch (ChessQRCodeException e) {
  87             System.out.println("Could not generate QR Code, Exception: " + e.getMessage());
  88         }
  89     }
  90
  91 }