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

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