src/be/nikiroo/fanfix/supported/E621.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.List;
   8 import java.util.Map.Entry;
   9 import java.util.Scanner;
  10
  11 import be.nikiroo.fanfix.Instance;
  12 import be.nikiroo.fanfix.data.Chapter;
  13 import be.nikiroo.fanfix.data.MetaData;
  14 import be.nikiroo.fanfix.data.Story;
  15 import be.nikiroo.utils.StringUtils;
  16
  17 /**
  18  * Support class for <a href="http://e621.net/">e621.net</a> and <a
  19  * href="http://e926.net/">e926.net</a>, a Furry website supporting comics,
  20  * including some of MLP.
  21  * <p>
  22  * <a href="http://e926.net/">e926.net</a> only shows the "clean" images and
  23  * comics, but it can be difficult to browse.
  24  *
  25  * @author niki
  26  */
  27 class E621 extends BasicSupport {
  28         @Override
  29         public String getSourceName() {
  30                 return "e621.net";
  31         }
  32
  33         @Override
  34         protected MetaData getMeta(URL source, InputStream in) throws IOException {
  35                 MetaData meta = new MetaData();
  36
  37                 meta.setTitle(getTitle(reset(in)));
  38                 meta.setAuthor(getAuthor(source, reset(in)));
  39                 meta.setDate("");
  40                 meta.setTags(new ArrayList<String>()); // TODDO ???
  41                 meta.setSource(getSourceName());
  42                 meta.setUrl(source.toString());
  43                 meta.setPublisher(getSourceName());
  44                 meta.setUuid(source.toString());
  45                 meta.setLuid("");
  46                 meta.setLang("EN");
  47                 meta.setSubject("");
  48                 meta.setType(getType().toString());
  49                 meta.setImageDocument(true);
  50                 meta.setCover(null);
  51
  52                 return meta;
  53         }
  54
  55         @Override
  56         public Story process(URL url) throws IOException {
  57                 // There is no chapters on e621, just pagination...
  58                 Story story = super.process(url);
  59
  60                 Chapter only = new Chapter(1, null);
  61                 for (Chapter chap : story) {
  62                         only.getParagraphs().addAll(chap.getParagraphs());
  63                 }
  64
  65                 story.getChapters().clear();
  66                 story.getChapters().add(only);
  67
  68                 return story;
  69         }
  70
  71         @Override
  72         protected boolean supports(URL url) {
  73                 String host = url.getHost();
  74                 if (host.startsWith("www.")) {
  75                         host = host.substring("www.".length());
  76                 }
  77
  78                 return ("e621.net".equals(host) || "e926.net".equals(host))
  79                                 && url.getPath().startsWith("/pool/");
  80         }
  81
  82         @Override
  83         protected boolean isHtml() {
  84                 return true;
  85         }
  86
  87         private String getAuthor(URL source, InputStream in) throws IOException {
  88                 String author = getLine(in, "href=\"/post/show/", 0);
  89                 if (author != null) {
  90                         String key = "href=\"";
  91                         int pos = author.indexOf(key);
  92                         if (pos >= 0) {
  93                                 author = author.substring(pos + key.length());
  94                                 pos = author.indexOf("\"");
  95                                 if (pos >= 0) {
  96                                         author = author.substring(0, pos - 1);
  97                                         String page = source.getProtocol() + "://"
  98                                                         + source.getHost() + author;
  99                                         InputStream pageIn = Instance.getCache().open(
 100                                                         new URL(page), this, false);
 101                                         try {
 102                                                 key = "class=\"tag-type-artist\"";
 103                                                 author = getLine(pageIn, key, 0);
 104                                                 if (author != null) {
 105                                                         pos = author.indexOf("<a href=\"");
 106                                                         if (pos >= 0) {
 107                                                                 author = author.substring(pos);
 108                                                                 pos = author.indexOf("</a>");
 109                                                                 if (pos >= 0) {
 110                                                                         author = author.substring(0, pos);
 111                                                                         return StringUtils.unhtml(author);
 112                                                                 }
 113                                                         }
 114                                                 }
 115                                         } finally {
 116                                                 pageIn.close();
 117                                         }
 118                                 }
 119                         }
 120                 }
 121
 122                 return null;
 123         }
 124
 125         private String getTitle(InputStream in) throws IOException {
 126                 String title = getLine(in, "<title>", 0);
 127                 if (title != null) {
 128                         int pos = title.indexOf('>');
 129                         if (pos >= 0) {
 130                                 title = title.substring(pos + 1);
 131                                 pos = title.indexOf('<');
 132                                 if (pos >= 0) {
 133                                         title = title.substring(0, pos);
 134                                 }
 135                         }
 136
 137                         if (title.startsWith("Pool:")) {
 138                                 title = title.substring("Pool:".length());
 139                         }
 140
 141                         title = StringUtils.unhtml(title).trim();
 142                 }
 143
 144                 return title;
 145         }
 146
 147         @Override
 148         protected String getDesc(URL source, InputStream in) throws IOException {
 149                 String desc = getLine(in, "margin-bottom: 2em;", 0);
 150
 151                 if (desc != null) {
 152                         StringBuilder builder = new StringBuilder();
 153
 154                         boolean inTags = false;
 155                         for (char car : desc.toCharArray()) {
 156                                 if ((inTags && car == '>') || (!inTags && car == '<')) {
 157                                         inTags = !inTags;
 158                                 }
 159
 160                                 if (inTags) {
 161                                         builder.append(car);
 162                                 }
 163                         }
 164
 165                         return builder.toString().trim();
 166                 }
 167
 168                 return null;
 169         }
 170
 171         @Override
 172         protected List<Entry<String, URL>> getChapters(URL source, InputStream in)
 173                         throws IOException {
 174                 List<Entry<String, URL>> urls = new ArrayList<Entry<String, URL>>();
 175                 int last = 1; // no pool/show when only one page
 176
 177                 @SuppressWarnings("resource")
 178                 Scanner scan = new Scanner(in, "UTF-8");
 179                 scan.useDelimiter("\\n");
 180                 while (scan.hasNext()) {
 181                         String line = scan.next();
 182                         for (int pos = line.indexOf(source.getPath()); pos >= 0; pos = line
 183                                         .indexOf(source.getPath(), pos + source.getPath().length())) {
 184                                 int equalPos = line.indexOf("=", pos);
 185                                 int quotePos = line.indexOf("\"", pos);
 186                                 if (equalPos >= 0 && quotePos > equalPos) {
 187                                         String snum = line.substring(equalPos + 1, quotePos);
 188                                         try {
 189                                                 int num = Integer.parseInt(snum);
 190                                                 if (num > last) {
 191                                                         last = num;
 192                                                 }
 193                                         } catch (NumberFormatException e) {
 194                                         }
 195                                 }
 196                         }
 197                 }
 198
 199                 for (int i = 1; i <= last; i++) {
 200                         final String key = Integer.toString(i);
 201                         final URL value = new URL(source.toString() + "?page=" + i);
 202                         urls.add(new Entry<String, URL>() {
 203                                 public URL setValue(URL value) {
 204                                         return null;
 205                                 }
 206
 207                                 public URL getValue() {
 208                                         return value;
 209                                 }
 210
 211                                 public String getKey() {
 212                                         return key;
 213                                 }
 214                         });
 215                 }
 216
 217                 return urls;
 218         }
 219
 220         @Override
 221         protected String getChapterContent(URL source, InputStream in, int number)
 222                         throws IOException {
 223                 StringBuilder builder = new StringBuilder();
 224                 String staticSite = "https://static1.e621.net";
 225                 if (source.getHost().contains("e926")) {
 226                         staticSite = staticSite.replace("e621", "e926");
 227                 }
 228
 229                 String key = staticSite + "/data/preview/";
 230
 231                 @SuppressWarnings("resource")
 232                 Scanner scan = new Scanner(in, "UTF-8");
 233                 scan.useDelimiter("\\n");
 234                 while (scan.hasNext()) {
 235                         String line = scan.next();
 236                         if (line.contains("class=\"preview\"")) {
 237                                 for (int pos = line.indexOf(key); pos >= 0; pos = line.indexOf(
 238                                                 key, pos + key.length())) {
 239                                         int endPos = line.indexOf("\"", pos);
 240                                         if (endPos >= 0) {
 241                                                 String id = line.substring(pos + key.length(), endPos);
 242                                                 id = staticSite + "/data/" + id;
 243
 244                                                 int dotPos = id.lastIndexOf(".");
 245                                                 if (dotPos >= 0) {
 246                                                         id = id.substring(0, dotPos);
 247                                                         builder.append("[");
 248                                                         builder.append(id);
 249                                                         builder.append("]\n");
 250                                                 }
 251                                         }
 252                                 }
 253                         }
 254                 }
 255
 256                 return builder.toString();
 257         }
 258 }