FormatPlugin.java :  » UnTagged » gospel-library-plus » org » geometerplus » fbreader » formats » Android Open Source

/*
 * Copyright (C) 2007-2011 Geometer Plus <contact@geometerplus.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301, USA.
 */

package org.geometerplus.fbreader.formats;

import org.geometerplus.fbreader.bookmodel.BookModel;
import org.geometerplus.fbreader.library.Book;
import org.geometerplus.zlibrary.core.filesystem.ZLFile;
import org.geometerplus.zlibrary.core.image.ZLImage;

public abstract class FormatPlugin {
  public abstract boolean acceptsFile(ZLFile file);
  public abstract  boolean readMetaInfo(Book book);
  public abstract boolean readModel(BookModel model);
  public abstract ZLImage readCover(ZLFile file);
  public abstract String readAnnotation(ZLFile file);

  /*
  public static void detectEncodingAndLanguage(Book book, InputStream stream) throws IOException {  
    String language = book.getLanguage();
    String encoding = book.getEncoding();
    if (encoding.length() == 0 || language.length() == 0) {
      PluginCollection collection = PluginCollection.Instance();
      if (language.length() == 0) {
        language = collection.DefaultLanguageOption.getValue();
      }
      if (encoding.length() == 0) {
        encoding = collection.DefaultEncodingOption.getValue();
      }
      if (collection.LanguageAutoDetectOption.getValue() && stream != null) {
        int BUFSIZE = 65536;
        byte[] buffer = new byte[BUFSIZE];
        int size = stream.read(buffer, 0, BUFSIZE);
        stream.close();
        ZLLanguageDetector.LanguageInfo info =
          new ZLLanguageDetector().findInfo(buffer, 0, size);
        buffer = null;
        if (info != null) {
          language = info.Language;
          encoding = info.Encoding;
          if ((encoding == "US-ASCII") || (encoding == "ISO-8859-1")) {
            encoding = "windows-1252";
          }
        }
      }
      book.setEncoding(encoding);
      book.setLanguage(language);
    }
  }
  //Last working version
  public static void detectEncodingAndLanguage(Book book, InputStream stream) {  
    String encoding = book.getEncoding();
    if (encoding.length() == 0) {
      encoding = EncodingDetector.detect(stream, PluginCollection.Instance().DefaultLanguageOption.getValue());
      if (encoding == "unknown") {
        encoding = "windows-1252";
      }
      book.setEncoding(encoding);
    }

    if (book.getLanguage() == "") {
      if ((encoding.equals("US-ASCII")) ||
          (encoding.equals("ISO-8859-1"))) {
        book.setLanguage("en");
      } else if ((book.getEncoding().equals("KOI8-R")) ||
          (encoding.equals("windows-1251")) ||
          (encoding.equals("ISO-8859-5")) ||
          (encoding.equals("IBM866"))) {
        book.setLanguage("ru");
      } /*else if (
                  (PluginCollection.Instance().DefaultLanguageOption.getValue() == EncodingDetector.Language.CZECH) &&
          ((encoding == "windows-1250") ||
           (encoding == "ISO-8859-2") ||
           (encoding == "IBM852"))) {
        book.setLanguage("cs");
      }*/
    /*}

  }*/
}