src/be/nikiroo/fanfix/supported/Cbz.java

   1 package be.nikiroo.fanfix.supported;
   2
   3 import java.awt.image.BufferedImage;
   4 import java.io.File;
   5 import java.io.IOException;
   6 import java.io.InputStream;
   7 import java.net.URL;
   8 import java.util.ArrayList;
   9 import java.util.Collections;
  10 import java.util.List;
  11 import java.util.zip.ZipEntry;
  12 import java.util.zip.ZipInputStream;
  13
  14 import javax.imageio.ImageIO;
  15
  16 import be.nikiroo.fanfix.Instance;
  17 import be.nikiroo.fanfix.data.Chapter;
  18 import be.nikiroo.fanfix.data.Paragraph;
  19 import be.nikiroo.fanfix.data.Story;
  20 import be.nikiroo.utils.Progress;
  21
  22 /**
  23  * Support class for CBZ files (works better with CBZ created with this program,
  24  * as they have some metadata available).
  25  *
  26  * @author niki
  27  */
  28 class Cbz extends Epub {
  29         @Override
  30         protected boolean supports(URL url) {
  31                 return url.toString().toLowerCase().endsWith(".cbz");
  32         }
  33
  34         @Override
  35         public String getSourceName() {
  36                 return "cbz";
  37         }
  38
  39         @Override
  40         protected String getDataPrefix() {
  41                 return "";
  42         }
  43
  44         @Override
  45         protected boolean requireInfo() {
  46                 return false;
  47         }
  48
  49         @Override
  50         protected boolean getCover() {
  51                 return false;
  52         }
  53
  54         @Override
  55         protected void preprocess(URL source, InputStream in) throws IOException {
  56                 super.preprocess(source, in);
  57                 meta.setImageDocument(true);
  58         }
  59
  60         @Override
  61         public Story process(URL url, Progress pg) throws IOException {
  62                 if (pg == null) {
  63                         pg = new Progress();
  64                 } else {
  65                         pg.setMinMax(0, 100);
  66                 }
  67
  68                 Story story = processMeta(url, false, true);
  69                 story.setChapters(new ArrayList<Chapter>());
  70                 Chapter chap = new Chapter(1, null);
  71                 story.getChapters().add(chap);
  72
  73                 ZipInputStream zipIn = new ZipInputStream(getInput());
  74
  75                 pg.setProgress(10);
  76                 List<String> images = new ArrayList<String>();
  77                 for (ZipEntry entry = zipIn.getNextEntry(); entry != null; entry = zipIn
  78                                 .getNextEntry()) {
  79                         if (!entry.isDirectory()
  80                                         && entry.getName().startsWith(getDataPrefix())) {
  81                                 String entryLName = entry.getName().toLowerCase();
  82                                 boolean imageEntry = false;
  83                                 for (String ext : getImageExt(false)) {
  84                                         if (entryLName.endsWith(ext)) {
  85                                                 imageEntry = true;
  86                                         }
  87                                 }
  88
  89                                 if (imageEntry) {
  90                                         String uuid = meta.getUuid() + "_" + entry.getName();
  91                                         try {
  92                                                 File tmp = Instance.getCache().addToCache(zipIn, uuid);
  93                                                 images.add(tmp.toURI().toURL().toString());
  94                                         } catch (Exception e) {
  95                                                 Instance.syserr(e);
  96                                         }
  97                                 }
  98                         }
  99                 }
 100
 101                 pg.setProgress(80);
 102
 103                 // ZIP order is not correct for us
 104                 Collections.sort(images);
 105                 pg.setProgress(90);
 106
 107                 for (String uuid : images) {
 108                         try {
 109                                 chap.getParagraphs().add(new Paragraph(new URL(uuid)));
 110                         } catch (Exception e) {
 111                                 Instance.syserr(e);
 112                         }
 113                 }
 114
 115                 if (meta.getCover() == null && !images.isEmpty()) {
 116                         InputStream in = Instance.getCache().open(new URL(images.get(0)),
 117                                         this, true);
 118                         try {
 119                                 BufferedImage fcover = ImageIO.read(in);
 120                                 meta.setCover(fcover);
 121                                 meta.setFakeCover(true);
 122                         } finally {
 123                                 in.close();
 124                         }
 125                 }
 126
 127                 pg.setProgress(100);
 128                 return story;
 129         }
 130 }