introduced AbstractBook (base class)

jni/NativeFormats/util/AndroidUtil.cpp

@@ -49,6 +49,7 @@ JavaClass AndroidUtil::Class_JavaEncodingCollection("org/geometerplus/zlibrary/c
 JavaClass AndroidUtil::Class_NativeFormatPlugin("org/geometerplus/fbreader/formats/NativeFormatPlugin");
 JavaClass AndroidUtil::Class_PluginCollection("org/geometerplus/fbreader/formats/PluginCollection");
 JavaClass AndroidUtil::Class_Paths("org/geometerplus/fbreader/Paths");
+JavaClass AndroidUtil::Class_AbstractBook("org/geometerplus/fbreader/book/AbstractBook");
 JavaClass AndroidUtil::Class_Book("org/geometerplus/fbreader/book/Book");
 JavaClass AndroidUtil::Class_Tag("org/geometerplus/fbreader/book/Tag");
 JavaClass AndroidUtil::Class_BookModel("org/geometerplus/fbreader/bookmodel/BookModel");
@@ -186,17 +187,17 @@ bool AndroidUtil::init(JavaVM* jvm) {
 
 	StaticMethod_Paths_tempDirectory = new StaticObjectMethod(Class_Paths, "tempDirectory", Class_java_lang_String, "()");
 
-	Field_Book_File = new ObjectField(Class_Book, "File", Class_ZLFile);
-	Method_Book_getTitle = new StringMethod(Class_Book, "getTitle", "()");
-	Method_Book_getLanguage = new StringMethod(Class_Book, "getLanguage", "()");
-	Method_Book_getEncodingNoDetection = new StringMethod(Class_Book, "getEncodingNoDetection", "()");
-	Method_Book_setTitle = new VoidMethod(Class_Book, "setTitle", "(Ljava/lang/String;)");
-	Method_Book_setSeriesInfo = new VoidMethod(Class_Book, "setSeriesInfo", "(Ljava/lang/String;Ljava/lang/String;)");
-	Method_Book_setLanguage = new VoidMethod(Class_Book, "setLanguage", "(Ljava/lang/String;)");
-	Method_Book_setEncoding = new VoidMethod(Class_Book, "setEncoding", "(Ljava/lang/String;)");
-	Method_Book_addAuthor = new VoidMethod(Class_Book, "addAuthor", "(Ljava/lang/String;Ljava/lang/String;)");
-	Method_Book_addTag = new VoidMethod(Class_Book, "addTag", "(Lorg/geometerplus/fbreader/book/Tag;)");
-	Method_Book_addUid = new VoidMethod(Class_Book, "addUid", "(Ljava/lang/String;Ljava/lang/String;)");
+	Field_Book_File = new ObjectField(Class_AbstractBook, "File", Class_ZLFile);
+	Method_Book_getTitle = new StringMethod(Class_AbstractBook, "getTitle", "()");
+	Method_Book_getLanguage = new StringMethod(Class_AbstractBook, "getLanguage", "()");
+	Method_Book_getEncodingNoDetection = new StringMethod(Class_AbstractBook, "getEncodingNoDetection", "()");
+	Method_Book_setTitle = new VoidMethod(Class_AbstractBook, "setTitle", "(Ljava/lang/String;)");
+	Method_Book_setSeriesInfo = new VoidMethod(Class_AbstractBook, "setSeriesInfo", "(Ljava/lang/String;Ljava/lang/String;)");
+	Method_Book_setLanguage = new VoidMethod(Class_AbstractBook, "setLanguage", "(Ljava/lang/String;)");
+	Method_Book_setEncoding = new VoidMethod(Class_AbstractBook, "setEncoding", "(Ljava/lang/String;)");
+	Method_Book_addAuthor = new VoidMethod(Class_AbstractBook, "addAuthor", "(Ljava/lang/String;Ljava/lang/String;)");
+	Method_Book_addTag = new VoidMethod(Class_AbstractBook, "addTag", "(Lorg/geometerplus/fbreader/book/Tag;)");
+	Method_Book_addUid = new VoidMethod(Class_AbstractBook, "addUid", "(Ljava/lang/String;Ljava/lang/String;)");
 
 	StaticMethod_Tag_getTag = new StaticObjectMethod(Class_Tag, "getTag", Class_Tag, "(Lorg/geometerplus/fbreader/book/Tag;Ljava/lang/String;)");
 

jni/NativeFormats/util/AndroidUtil.h

@@ -86,6 +86,7 @@ public:
 	static JavaClass Class_EncodingConverter;
 	static JavaClass Class_JavaEncodingCollection;
 	static JavaClass Class_Paths;
+	static JavaClass Class_AbstractBook;
 	static JavaClass Class_Book;
 	static JavaClass Class_Tag;
 	static JavaClass Class_BookModel;

src/org/geometerplus/fbreader/book/AbstractBook.java

@@ -0,0 +1,633 @@
+/*
+ * Copyright (C) 2007-2015 FBReader.ORG Limited <contact@fbreader.org>
+ *
+ * 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.book;
+
+import java.math.BigDecimal;
+import java.util.*;
+
+import org.geometerplus.zlibrary.core.filesystem.*;
+import org.geometerplus.zlibrary.core.util.MiscUtil;
+import org.geometerplus.zlibrary.core.util.RationalNumber;
+
+import org.geometerplus.fbreader.bookmodel.BookReadingException;
+import org.geometerplus.fbreader.formats.PluginCollection;
+import org.geometerplus.fbreader.formats.FormatPlugin;
+import org.geometerplus.fbreader.sort.TitledEntity;
+
+public class AbstractBook extends TitledEntity<AbstractBook> {
+	public static final String FAVORITE_LABEL = "favorite";
+	public static final String READ_LABEL = "read";
+	public static final String SYNCHRONISED_LABEL = "sync-success";
+	public static final String SYNC_FAILURE_LABEL = "sync-failure";
+	public static final String SYNC_DELETED_LABEL = "sync-deleted";
+	public static final String SYNC_TOSYNC_LABEL = "sync-tosync";
+
+	public final ZLFile File;
+
+	private volatile long myId;
+
+	private volatile String myEncoding;
+	private volatile String myLanguage;
+	private volatile List<Author> myAuthors;
+	private volatile List<Tag> myTags;
+	private volatile List<String> myLabels;
+	private volatile SeriesInfo mySeriesInfo;
+	private volatile List<UID> myUids;
+	private volatile RationalNumber myProgress;
+
+	public volatile boolean HasBookmark;
+
+	private volatile boolean myIsSaved;
+
+	AbstractBook(long id, ZLFile file, String title, String encoding, String language) {
+		super(title);
+		if (file == null) {
+			throw new IllegalArgumentException("Creating book with no file");
+		}
+		myId = id;
+		File = file;
+		myEncoding = encoding;
+		myLanguage = language;
+		myIsSaved = true;
+	}
+
+	AbstractBook(ZLFile file, FormatPlugin plugin) throws BookReadingException {
+		super(null);
+		if (file == null) {
+			throw new IllegalArgumentException("Creating book with no file");
+		}
+		myId = -1;
+		File = plugin.realBookFile(file);
+		readMetainfo(plugin);
+		myIsSaved = false;
+	}
+
+	boolean hasSameMetainfoAs(AbstractBook other) {
+		return
+			MiscUtil.equals(getTitle(), other.getTitle()) &&
+			MiscUtil.equals(myEncoding, other.myEncoding) &&
+			MiscUtil.equals(myLanguage, other.myLanguage) &&
+			MiscUtil.equals(myAuthors, other.myAuthors) &&
+			MiscUtil.listsEquals(myTags, other.myTags) &&
+			MiscUtil.equals(mySeriesInfo, other.mySeriesInfo) &&
+			MiscUtil.equals(myUids, other.myUids);
+	}
+
+	void merge(AbstractBook other, AbstractBook base) {
+		if (!MiscUtil.equals(getTitle(), other.getTitle()) &&
+			MiscUtil.equals(getTitle(), base.getTitle())) {
+			setTitle(other.getTitle());
+		}
+		if (!MiscUtil.equals(myEncoding, other.myEncoding) &&
+			MiscUtil.equals(myEncoding, base.myEncoding)) {
+			setEncoding(other.myEncoding);
+		}
+		if (!MiscUtil.equals(myLanguage, other.myLanguage) &&
+			MiscUtil.equals(myLanguage, base.myLanguage)) {
+			setLanguage(other.myLanguage);
+		}
+		if (!MiscUtil.listsEquals(myTags, other.myTags) &&
+			MiscUtil.listsEquals(myTags, base.myTags)) {
+			myTags = other.myTags != null ? new ArrayList<Tag>(other.myTags) : null;
+			myIsSaved = false;
+		}
+		if (!MiscUtil.equals(mySeriesInfo, other.mySeriesInfo) &&
+			MiscUtil.equals(mySeriesInfo, base.mySeriesInfo)) {
+			mySeriesInfo = other.mySeriesInfo;
+			myIsSaved = false;
+		}
+		if (!MiscUtil.listsEquals(myUids, other.myUids) &&
+			MiscUtil.listsEquals(myUids, base.myUids)) {
+			myUids = other.myUids != null ? new ArrayList<UID>(other.myUids) : null;
+			myIsSaved = false;
+		}
+	}
+
+	public void updateFrom(AbstractBook book) {
+		if (book == null || myId != book.myId) {
+			return;
+		}
+		setTitle(book.getTitle());
+		setEncoding(book.myEncoding);
+		setLanguage(book.myLanguage);
+		if (!MiscUtil.equals(myAuthors, book.myAuthors)) {
+			myAuthors = book.myAuthors != null ? new ArrayList<Author>(book.myAuthors) : null;
+			myIsSaved = false;
+		}
+		if (!MiscUtil.equals(myTags, book.myTags)) {
+			myTags = book.myTags != null ? new ArrayList<Tag>(book.myTags) : null;
+			myIsSaved = false;
+		}
+		if (!MiscUtil.listsEquals(myLabels, book.myLabels)) {
+			myLabels = book.myLabels != null ? new ArrayList<String>(book.myLabels) : null;
+			myIsSaved = false;
+		}
+		if (!MiscUtil.equals(mySeriesInfo, book.mySeriesInfo)) {
+			mySeriesInfo = book.mySeriesInfo;
+			myIsSaved = false;
+		}
+		if (!MiscUtil.listsEquals(myUids, book.myUids)) {
+			myUids = book.myUids != null ? new ArrayList<UID>(book.myUids) : null;
+			myIsSaved = false;
+		}
+		setProgress(book.myProgress);
+		if (HasBookmark != book.HasBookmark) {
+			HasBookmark = book.HasBookmark;
+			myIsSaved = false;
+		}
+	}
+
+	public void reloadInfoFromFile() {
+		try {
+			readMetainfo(getPlugin());
+		} catch (BookReadingException e) {
+			// ignore
+		}
+	}
+
+	public FormatPlugin getPlugin() throws BookReadingException {
+		final FormatPlugin plugin = PluginCollection.Instance().getPlugin(File);
+		if (plugin == null) {
+			throw new BookReadingException("pluginNotFound", File);
+		}
+		return plugin;
+	}
+
+	void readMetainfo() throws BookReadingException {
+		readMetainfo(getPlugin());
+	}
+
+	void readMetainfo(FormatPlugin plugin) throws BookReadingException {
+		myEncoding = null;
+		myLanguage = null;
+		setTitle(null);
+		myAuthors = null;
+		myTags = null;
+		mySeriesInfo = null;
+		myUids = null;
+
+		myIsSaved = false;
+
+		plugin.readMetainfo(this);
+		if (myUids == null || myUids.isEmpty()) {
+			plugin.readUids(this);
+		}
+
+		if (isTitleEmpty()) {
+			final String fileName = File.getShortName();
+			final int index = fileName.lastIndexOf('.');
+			setTitle(index > 0 ? fileName.substring(0, index) : fileName);
+		}
+	}
+
+	void loadLists(BooksDatabase database) {
+		myAuthors = database.listAuthors(myId);
+		myTags = database.listTags(myId);
+		myLabels = database.listLabels(myId);
+		mySeriesInfo = database.getSeriesInfo(myId);
+		myUids = database.listUids(myId);
+		myProgress = database.getProgress(myId);
+		HasBookmark = database.hasVisibleBookmark(myId);
+		myIsSaved = true;
+		if (myUids == null || myUids.isEmpty()) {
+			try {
+				getPlugin().readUids(this);
+				save(database, false);
+			} catch (BookReadingException e) {
+			}
+		}
+	}
+
+	public List<Author> authors() {
+		return (myAuthors != null) ? Collections.unmodifiableList(myAuthors) : Collections.<Author>emptyList();
+	}
+
+	void addAuthorWithNoCheck(Author author) {
+		if (myAuthors == null) {
+			myAuthors = new ArrayList<Author>();
+		}
+		myAuthors.add(author);
+	}
+
+	public void removeAllAuthors() {
+		if (myAuthors != null) {
+			myAuthors = null;
+			myIsSaved = false;
+		}
+	}
+
+	public void addAuthor(Author author) {
+		if (author == null) {
+			return;
+		}
+		if (myAuthors == null) {
+			myAuthors = new ArrayList<Author>();
+			myAuthors.add(author);
+			myIsSaved = false;
+		} else if (!myAuthors.contains(author)) {
+			myAuthors.add(author);
+			myIsSaved = false;
+		}
+	}
+
+	public void addAuthor(String name) {
+		addAuthor(name, "");
+	}
+
+	public void addAuthor(String name, String sortKey) {
+		if (name == null) {
+			return;
+		}
+		String strippedName = name.trim();
+		if (strippedName.length() == 0) {
+			return;
+		}
+
+		String strippedKey = sortKey != null ? sortKey.trim() : "";
+		if (strippedKey.length() == 0) {
+			int index = strippedName.lastIndexOf(' ');
+			if (index == -1) {
+				strippedKey = strippedName;
+			} else {
+				strippedKey = strippedName.substring(index + 1);
+				while ((index >= 0) && (strippedName.charAt(index) == ' ')) {
+					--index;
+				}
+				strippedName = strippedName.substring(0, index + 1) + ' ' + strippedKey;
+			}
+		}
+
+		addAuthor(new Author(strippedName, strippedKey));
+	}
+
+	public long getId() {
+		return myId;
+	}
+
+	@Override
+	public void setTitle(String title) {
+		if (title == null) {
+			return;
+		}
+		title = title.trim();
+		if (title.length() == 0) {
+			return;
+		}
+		if (!getTitle().equals(title)) {
+			super.setTitle(title);
+			myIsSaved = false;
+		}
+	}
+
+	public SeriesInfo getSeriesInfo() {
+		return mySeriesInfo;
+	}
+
+	void setSeriesInfoWithNoCheck(String name, String index) {
+		mySeriesInfo = SeriesInfo.createSeriesInfo(name, index);
+	}
+
+	public void setSeriesInfo(String name, String index) {
+		setSeriesInfo(name, SeriesInfo.createIndex(index));
+	}
+
+	public void setSeriesInfo(String name, BigDecimal index) {
+		if (mySeriesInfo == null) {
+			if (name != null) {
+				mySeriesInfo = new SeriesInfo(name, index);
+				myIsSaved = false;
+			}
+		} else if (name == null) {
+			mySeriesInfo = null;
+			myIsSaved = false;
+		} else if (!name.equals(mySeriesInfo.Series.getTitle()) || mySeriesInfo.Index != index) {
+			mySeriesInfo = new SeriesInfo(name, index);
+			myIsSaved = false;
+		}
+	}
+
+	@Override
+	public String getLanguage() {
+		return myLanguage;
+	}
+
+	public void setLanguage(String language) {
+		if (!MiscUtil.equals(myLanguage, language)) {
+			myLanguage = language;
+			resetSortKey();
+			myIsSaved = false;
+		}
+	}
+
+	public String getEncoding() {
+		if (myEncoding == null) {
+			try {
+				getPlugin().detectLanguageAndEncoding(this);
+			} catch (BookReadingException e) {
+			}
+			if (myEncoding == null) {
+				setEncoding("utf-8");
+			}
+		}
+		return myEncoding;
+	}
+
+	public String getEncodingNoDetection() {
+		return myEncoding;
+	}
+
+	public void setEncoding(String encoding) {
+		if (!MiscUtil.equals(myEncoding, encoding)) {
+			myEncoding = encoding;
+			myIsSaved = false;
+		}
+	}
+
+	public List<Tag> tags() {
+		return myTags != null ? Collections.unmodifiableList(myTags) : Collections.<Tag>emptyList();
+	}
+
+	void addTagWithNoCheck(Tag tag) {
+		if (myTags == null) {
+			myTags = new ArrayList<Tag>();
+		}
+		myTags.add(tag);
+	}
+
+	public void removeAllTags() {
+		if (myTags != null) {
+			myTags = null;
+			myIsSaved = false;
+		}
+	}
+
+	public void addTag(Tag tag) {
+		if (tag != null) {
+			if (myTags == null) {
+				myTags = new ArrayList<Tag>();
+			}
+			if (!myTags.contains(tag)) {
+				myTags.add(tag);
+				myIsSaved = false;
+			}
+		}
+	}
+
+	public void addTag(String tagName) {
+		addTag(Tag.getTag(null, tagName));
+	}
+
+	public List<String> labels() {
+		return myLabels != null ? Collections.unmodifiableList(myLabels) : Collections.<String>emptyList();
+	}
+
+	void addLabelWithNoCheck(String label) {
+		if (myLabels == null) {
+			myLabels = new ArrayList<String>();
+		}
+		myLabels.add(label);
+	}
+
+	public void addLabel(String label) {
+		if (myLabels == null) {
+			myLabels = new ArrayList<String>();
+		}
+		if (!myLabels.contains(label)) {
+			myLabels.add(label);
+			myIsSaved = false;
+		}
+	}
+
+	public void removeLabel(String label) {
+		if (myLabels != null && myLabels.remove(label)) {
+			myIsSaved = false;
+		}
+	}
+
+	public List<UID> uids() {
+		return myUids != null ? Collections.unmodifiableList(myUids) : Collections.<UID>emptyList();
+	}
+
+	public void addUid(String type, String id) {
+		addUid(new UID(type, id));
+	}
+
+	void addUidWithNoCheck(UID uid) {
+		if (uid == null) {
+			return;
+		}
+		if (myUids == null) {
+			myUids = new ArrayList<UID>();
+		}
+		myUids.add(uid);
+	}
+
+	public void addUid(UID uid) {
+		if (uid == null) {
+			return;
+		}
+		if (myUids == null) {
+			myUids = new ArrayList<UID>();
+		}
+		if (!myUids.contains(uid)) {
+			myUids.add(uid);
+			myIsSaved = false;
+		}
+	}
+
+	public boolean matchesUid(UID uid) {
+		return myUids.contains(uid);
+	}
+
+	public RationalNumber getProgress() {
+		return myProgress;
+	}
+
+	public void setProgress(RationalNumber progress) {
+		if (!MiscUtil.equals(myProgress, progress)) {
+			myProgress = progress;
+			myIsSaved = false;
+		}
+	}
+
+	public void setProgressWithNoCheck(RationalNumber progress) {
+		myProgress = progress;
+	}
+
+	public boolean matches(String pattern) {
+		if (MiscUtil.matchesIgnoreCase(getTitle(), pattern)) {
+			return true;
+		}
+		if (mySeriesInfo != null && MiscUtil.matchesIgnoreCase(mySeriesInfo.Series.getTitle(), pattern)) {
+			return true;
+		}
+		if (myAuthors != null) {
+			for (Author author : myAuthors) {
+				if (MiscUtil.matchesIgnoreCase(author.DisplayName, pattern)) {
+					return true;
+				}
+			}
+		}
+		if (myTags != null) {
+			for (Tag tag : myTags) {
+				if (MiscUtil.matchesIgnoreCase(tag.Name, pattern)) {
+					return true;
+				}
+			}
+		}
+		if (MiscUtil.matchesIgnoreCase(File.getLongName(), pattern)) {
+			return true;
+		}
+		return false;
+	}
+
+	boolean save(final BooksDatabase database, boolean force) {
+		if (!force && myId != -1 && myIsSaved) {
+			return false;
+		}
+
+		final boolean[] result = new boolean[] { true };
+		database.executeAsTransaction(new Runnable() {
+			public void run() {
+				if (myId >= 0) {
+					final FileInfoSet fileInfos = new FileInfoSet(database, File);
+					database.updateBookInfo(myId, fileInfos.getId(File), myEncoding, myLanguage, getTitle());
+				} else {
+					myId = database.insertBookInfo(File, myEncoding, myLanguage, getTitle());
+					if (myId == -1) {
+						result[0] = false;
+						return;
+					}
+					if (myVisitedHyperlinks != null) {
+						for (String linkId : myVisitedHyperlinks) {
+							database.addVisitedHyperlink(myId, linkId);
+						}
+					}
+					database.addBookHistoryEvent(myId, BooksDatabase.HistoryEvent.Added);
+				}
+
+				long index = 0;
+				database.deleteAllBookAuthors(myId);
+				for (Author author : authors()) {
+					database.saveBookAuthorInfo(myId, index++, author);
+				}
+				database.deleteAllBookTags(myId);
+				for (Tag tag : tags()) {
+					database.saveBookTagInfo(myId, tag);
+				}
+				final List<String> labelsInDb = database.listLabels(myId);
+				for (String label : labelsInDb) {
+					if (myLabels == null || !myLabels.contains(label)) {
+						database.removeLabel(myId, label);
+					}
+				}
+				if (myLabels != null) {
+					for (String label : myLabels) {
+						database.setLabel(myId, label);
+					}
+				}
+				database.saveBookSeriesInfo(myId, mySeriesInfo);
+				database.deleteAllBookUids(myId);
+				for (UID uid : uids()) {
+					database.saveBookUid(myId, uid);
+				}
+				if (myProgress != null) {
+					database.saveBookProgress(myId, myProgress);
+				}
+			}
+		});
+
+		if (result[0]) {
+			myIsSaved = true;
+			return true;
+		} else {
+			return false;
+		}
+	}
+
+	private Set<String> myVisitedHyperlinks;
+	private void initHyperlinkSet(BooksDatabase database) {
+		if (myVisitedHyperlinks == null) {
+			myVisitedHyperlinks = new TreeSet<String>();
+			if (myId != -1) {
+				myVisitedHyperlinks.addAll(database.loadVisitedHyperlinks(myId));
+			}
+		}
+	}
+
+	boolean isHyperlinkVisited(BooksDatabase database, String linkId) {
+		initHyperlinkSet(database);
+		return myVisitedHyperlinks.contains(linkId);
+	}
+
+	void markHyperlinkAsVisited(BooksDatabase database, String linkId) {
+		initHyperlinkSet(database);
+		if (!myVisitedHyperlinks.contains(linkId)) {
+			myVisitedHyperlinks.add(linkId);
+			if (myId != -1) {
+				database.addVisitedHyperlink(myId, linkId);
+			}
+		}
+	}
+
+	@Override
+	public int hashCode() {
+		return File.getShortName().hashCode();
+	}
+
+	@Override
+	public boolean equals(Object o) {
+		if (this == o) {
+			return true;
+		}
+		if (!(o instanceof AbstractBook)) {
+			return false;
+		}
+		final AbstractBook obook = ((AbstractBook)o);
+		final ZLFile ofile = obook.File;
+		if (File.equals(ofile)) {
+			return true;
+		}
+		if (!File.getShortName().equals(ofile.getShortName())) {
+			return false;
+		}
+		if (myUids == null || obook.myUids == null) {
+			return false;
+		}
+		for (UID uid : obook.myUids) {
+			if (myUids.contains(uid)) {
+				return true;
+			}
+		}
+		return false;
+	}
+
+	@Override
+	public String toString() {
+		return new StringBuilder("Book[")
+			.append(File.getPath())
+			.append(", ")
+			.append(myId)
+			.append(", ")
+			.append(getTitle())
+			.append("]")
+			.toString();
+	}
+}

src/org/geometerplus/fbreader/book/Book.java

@@ -19,615 +19,17 @@
 
 package org.geometerplus.fbreader.book;
 
-import java.math.BigDecimal;
-import java.util.*;
-
-import org.geometerplus.zlibrary.core.filesystem.*;
-import org.geometerplus.zlibrary.core.util.MiscUtil;
-import org.geometerplus.zlibrary.core.util.RationalNumber;
+import org.geometerplus.zlibrary.core.filesystem.ZLFile;
 
 import org.geometerplus.fbreader.bookmodel.BookReadingException;
-import org.geometerplus.fbreader.formats.PluginCollection;
 import org.geometerplus.fbreader.formats.FormatPlugin;
-import org.geometerplus.fbreader.sort.TitledEntity;
-
-public class Book extends TitledEntity<Book> {
-	public static final String FAVORITE_LABEL = "favorite";
-	public static final String READ_LABEL = "read";
-	public static final String SYNCHRONISED_LABEL = "sync-success";
-	public static final String SYNC_FAILURE_LABEL = "sync-failure";
-	public static final String SYNC_DELETED_LABEL = "sync-deleted";
-	public static final String SYNC_TOSYNC_LABEL = "sync-tosync";
-
-	public final ZLFile File;
-
-	private volatile long myId;
-
-	private volatile String myEncoding;
-	private volatile String myLanguage;
-	private volatile List<Author> myAuthors;
-	private volatile List<Tag> myTags;
-	private volatile List<String> myLabels;
-	private volatile SeriesInfo mySeriesInfo;
-	private volatile List<UID> myUids;
-	private volatile RationalNumber myProgress;
-
-	public volatile boolean HasBookmark;
-
-	private volatile boolean myIsSaved;
 
+public class Book extends AbstractBook {
 	Book(long id, ZLFile file, String title, String encoding, String language) {
-		super(title);
-		if (file == null) {
-			throw new IllegalArgumentException("Creating book with no file");
-		}
-		myId = id;
-		File = file;
-		myEncoding = encoding;
-		myLanguage = language;
-		myIsSaved = true;
+		super(id, file, title, encoding, language);
 	}
 
 	Book(ZLFile file, FormatPlugin plugin) throws BookReadingException {
-		super(null);
-		if (file == null) {
-			throw new IllegalArgumentException("Creating book with no file");
-		}
-		myId = -1;
-		File = plugin.realBookFile(file);
-		readMetainfo(plugin);
-		myIsSaved = false;
-	}
-
-	boolean hasSameMetainfoAs(Book other) {
-		return
-			MiscUtil.equals(getTitle(), other.getTitle()) &&
-			MiscUtil.equals(myEncoding, other.myEncoding) &&
-			MiscUtil.equals(myLanguage, other.myLanguage) &&
-			MiscUtil.equals(myAuthors, other.myAuthors) &&
-			MiscUtil.listsEquals(myTags, other.myTags) &&
-			MiscUtil.equals(mySeriesInfo, other.mySeriesInfo) &&
-			MiscUtil.equals(myUids, other.myUids);
-	}
-
-	void merge(Book other, Book base) {
-		if (!MiscUtil.equals(getTitle(), other.getTitle()) &&
-			MiscUtil.equals(getTitle(), base.getTitle())) {
-			setTitle(other.getTitle());
-		}
-		if (!MiscUtil.equals(myEncoding, other.myEncoding) &&
-			MiscUtil.equals(myEncoding, base.myEncoding)) {
-			setEncoding(other.myEncoding);
-		}
-		if (!MiscUtil.equals(myLanguage, other.myLanguage) &&
-			MiscUtil.equals(myLanguage, base.myLanguage)) {
-			setLanguage(other.myLanguage);
-		}
-		if (!MiscUtil.listsEquals(myTags, other.myTags) &&
-			MiscUtil.listsEquals(myTags, base.myTags)) {
-			myTags = other.myTags != null ? new ArrayList<Tag>(other.myTags) : null;
-			myIsSaved = false;
-		}
-		if (!MiscUtil.equals(mySeriesInfo, other.mySeriesInfo) &&
-			MiscUtil.equals(mySeriesInfo, base.mySeriesInfo)) {
-			mySeriesInfo = other.mySeriesInfo;
-			myIsSaved = false;
-		}
-		if (!MiscUtil.listsEquals(myUids, other.myUids) &&
-			MiscUtil.listsEquals(myUids, base.myUids)) {
-			myUids = other.myUids != null ? new ArrayList<UID>(other.myUids) : null;
-			myIsSaved = false;
-		}
-	}
-
-	public void updateFrom(Book book) {
-		if (book == null || myId != book.myId) {
-			return;
-		}
-		setTitle(book.getTitle());
-		setEncoding(book.myEncoding);
-		setLanguage(book.myLanguage);
-		if (!MiscUtil.equals(myAuthors, book.myAuthors)) {
-			myAuthors = book.myAuthors != null ? new ArrayList<Author>(book.myAuthors) : null;
-			myIsSaved = false;
-		}
-		if (!MiscUtil.equals(myTags, book.myTags)) {
-			myTags = book.myTags != null ? new ArrayList<Tag>(book.myTags) : null;
-			myIsSaved = false;
-		}
-		if (!MiscUtil.listsEquals(myLabels, book.myLabels)) {
-			myLabels = book.myLabels != null ? new ArrayList<String>(book.myLabels) : null;
-			myIsSaved = false;
-		}
-		if (!MiscUtil.equals(mySeriesInfo, book.mySeriesInfo)) {
-			mySeriesInfo = book.mySeriesInfo;
-			myIsSaved = false;
-		}
-		if (!MiscUtil.listsEquals(myUids, book.myUids)) {
-			myUids = book.myUids != null ? new ArrayList<UID>(book.myUids) : null;
-			myIsSaved = false;
-		}
-		setProgress(book.myProgress);
-		if (HasBookmark != book.HasBookmark) {
-			HasBookmark = book.HasBookmark;
-			myIsSaved = false;
-		}
-	}
-
-	public void reloadInfoFromFile() {
-		try {
-			readMetainfo(getPlugin());
-		} catch (BookReadingException e) {
-			// ignore
-		}
-	}
-
-	public FormatPlugin getPlugin() throws BookReadingException {
-		final FormatPlugin plugin = PluginCollection.Instance().getPlugin(File);
-		if (plugin == null) {
-			throw new BookReadingException("pluginNotFound", File);
-		}
-		return plugin;
-	}
-
-	void readMetainfo() throws BookReadingException {
-		readMetainfo(getPlugin());
-	}
-
-	void readMetainfo(FormatPlugin plugin) throws BookReadingException {
-		myEncoding = null;
-		myLanguage = null;
-		setTitle(null);
-		myAuthors = null;
-		myTags = null;
-		mySeriesInfo = null;
-		myUids = null;
-
-		myIsSaved = false;
-
-		plugin.readMetainfo(this);
-		if (myUids == null || myUids.isEmpty()) {
-			plugin.readUids(this);
-		}
-
-		if (isTitleEmpty()) {
-			final String fileName = File.getShortName();
-			final int index = fileName.lastIndexOf('.');
-			setTitle(index > 0 ? fileName.substring(0, index) : fileName);
-		}
-	}
-
-	void loadLists(BooksDatabase database) {
-		myAuthors = database.listAuthors(myId);
-		myTags = database.listTags(myId);
-		myLabels = database.listLabels(myId);
-		mySeriesInfo = database.getSeriesInfo(myId);
-		myUids = database.listUids(myId);
-		myProgress = database.getProgress(myId);
-		HasBookmark = database.hasVisibleBookmark(myId);
-		myIsSaved = true;
-		if (myUids == null || myUids.isEmpty()) {
-			try {
-				getPlugin().readUids(this);
-				save(database, false);
-			} catch (BookReadingException e) {
-			}
-		}
-	}
-
-	public List<Author> authors() {
-		return (myAuthors != null) ? Collections.unmodifiableList(myAuthors) : Collections.<Author>emptyList();
-	}
-
-	void addAuthorWithNoCheck(Author author) {
-		if (myAuthors == null) {
-			myAuthors = new ArrayList<Author>();
-		}
-		myAuthors.add(author);
-	}
-
-	public void removeAllAuthors() {
-		if (myAuthors != null) {
-			myAuthors = null;
-			myIsSaved = false;
-		}
-	}
-
-	public void addAuthor(Author author) {
-		if (author == null) {
-			return;
-		}
-		if (myAuthors == null) {
-			myAuthors = new ArrayList<Author>();
-			myAuthors.add(author);
-			myIsSaved = false;
-		} else if (!myAuthors.contains(author)) {
-			myAuthors.add(author);
-			myIsSaved = false;
-		}
-	}
-
-	public void addAuthor(String name) {
-		addAuthor(name, "");
-	}
-
-	public void addAuthor(String name, String sortKey) {
-		if (name == null) {
-			return;
-		}
-		String strippedName = name.trim();
-		if (strippedName.length() == 0) {
-			return;
-		}
-
-		String strippedKey = sortKey != null ? sortKey.trim() : "";
-		if (strippedKey.length() == 0) {
-			int index = strippedName.lastIndexOf(' ');
-			if (index == -1) {
-				strippedKey = strippedName;
-			} else {
-				strippedKey = strippedName.substring(index + 1);
-				while ((index >= 0) && (strippedName.charAt(index) == ' ')) {
-					--index;
-				}
-				strippedName = strippedName.substring(0, index + 1) + ' ' + strippedKey;
-			}
-		}
-
-		addAuthor(new Author(strippedName, strippedKey));
-	}
-
-	public long getId() {
-		return myId;
-	}
-
-	@Override
-	public void setTitle(String title) {
-		if (title == null) {
-			return;
-		}
-		title = title.trim();
-		if (title.length() == 0) {
-			return;
-		}
-		if (!getTitle().equals(title)) {
-			super.setTitle(title);
-			myIsSaved = false;
-		}
-	}
-
-	public SeriesInfo getSeriesInfo() {
-		return mySeriesInfo;
-	}
-
-	void setSeriesInfoWithNoCheck(String name, String index) {
-		mySeriesInfo = SeriesInfo.createSeriesInfo(name, index);
-	}
-
-	public void setSeriesInfo(String name, String index) {
-		setSeriesInfo(name, SeriesInfo.createIndex(index));
-	}
-
-	public void setSeriesInfo(String name, BigDecimal index) {
-		if (mySeriesInfo == null) {
-			if (name != null) {
-				mySeriesInfo = new SeriesInfo(name, index);
-				myIsSaved = false;
-			}
-		} else if (name == null) {
-			mySeriesInfo = null;
-			myIsSaved = false;
-		} else if (!name.equals(mySeriesInfo.Series.getTitle()) || mySeriesInfo.Index != index) {
-			mySeriesInfo = new SeriesInfo(name, index);
-			myIsSaved = false;
-		}
-	}
-
-	@Override
-	public String getLanguage() {
-		return myLanguage;
-	}
-
-	public void setLanguage(String language) {
-		if (!MiscUtil.equals(myLanguage, language)) {
-			myLanguage = language;
-			resetSortKey();
-			myIsSaved = false;
-		}
-	}
-
-	public String getEncoding() {
-		if (myEncoding == null) {
-			try {
-				getPlugin().detectLanguageAndEncoding(this);
-			} catch (BookReadingException e) {
-			}
-			if (myEncoding == null) {
-				setEncoding("utf-8");
-			}
-		}
-		return myEncoding;
-	}
-
-	public String getEncodingNoDetection() {
-		return myEncoding;
-	}
-
-	public void setEncoding(String encoding) {
-		if (!MiscUtil.equals(myEncoding, encoding)) {
-			myEncoding = encoding;
-			myIsSaved = false;
-		}
-	}
-
-	public List<Tag> tags() {
-		return myTags != null ? Collections.unmodifiableList(myTags) : Collections.<Tag>emptyList();
-	}
-
-	void addTagWithNoCheck(Tag tag) {
-		if (myTags == null) {
-			myTags = new ArrayList<Tag>();
-		}
-		myTags.add(tag);
-	}
-
-	public void removeAllTags() {
-		if (myTags != null) {
-			myTags = null;
-			myIsSaved = false;
-		}
-	}
-
-	public void addTag(Tag tag) {
-		if (tag != null) {
-			if (myTags == null) {
-				myTags = new ArrayList<Tag>();
-			}
-			if (!myTags.contains(tag)) {
-				myTags.add(tag);
-				myIsSaved = false;
-			}
-		}
-	}
-
-	public void addTag(String tagName) {
-		addTag(Tag.getTag(null, tagName));
-	}
-
-	public List<String> labels() {
-		return myLabels != null ? Collections.unmodifiableList(myLabels) : Collections.<String>emptyList();
-	}
-
-	void addLabelWithNoCheck(String label) {
-		if (myLabels == null) {
-			myLabels = new ArrayList<String>();
-		}
-		myLabels.add(label);
-	}
-
-	public void addLabel(String label) {
-		if (myLabels == null) {
-			myLabels = new ArrayList<String>();
-		}
-		if (!myLabels.contains(label)) {
-			myLabels.add(label);
-			myIsSaved = false;
-		}
-	}
-
-	public void removeLabel(String label) {
-		if (myLabels != null && myLabels.remove(label)) {
-			myIsSaved = false;
-		}
-	}
-
-	public List<UID> uids() {
-		return myUids != null ? Collections.unmodifiableList(myUids) : Collections.<UID>emptyList();
-	}
-
-	public void addUid(String type, String id) {
-		addUid(new UID(type, id));
-	}
-
-	void addUidWithNoCheck(UID uid) {
-		if (uid == null) {
-			return;
-		}
-		if (myUids == null) {
-			myUids = new ArrayList<UID>();
-		}
-		myUids.add(uid);
-	}
-
-	public void addUid(UID uid) {
-		if (uid == null) {
-			return;
-		}
-		if (myUids == null) {
-			myUids = new ArrayList<UID>();
-		}
-		if (!myUids.contains(uid)) {
-			myUids.add(uid);
-			myIsSaved = false;
-		}
-	}
-
-	public boolean matchesUid(UID uid) {
-		return myUids.contains(uid);
-	}
-
-	public RationalNumber getProgress() {
-		return myProgress;
-	}
-
-	public void setProgress(RationalNumber progress) {
-		if (!MiscUtil.equals(myProgress, progress)) {
-			myProgress = progress;
-			myIsSaved = false;
-		}
-	}
-
-	public void setProgressWithNoCheck(RationalNumber progress) {
-		myProgress = progress;
-	}
-
-	public boolean matches(String pattern) {
-		if (MiscUtil.matchesIgnoreCase(getTitle(), pattern)) {
-			return true;
-		}
-		if (mySeriesInfo != null && MiscUtil.matchesIgnoreCase(mySeriesInfo.Series.getTitle(), pattern)) {
-			return true;
-		}
-		if (myAuthors != null) {
-			for (Author author : myAuthors) {
-				if (MiscUtil.matchesIgnoreCase(author.DisplayName, pattern)) {
-					return true;
-				}
-			}
-		}
-		if (myTags != null) {
-			for (Tag tag : myTags) {
-				if (MiscUtil.matchesIgnoreCase(tag.Name, pattern)) {
-					return true;
-				}
-			}
-		}
-		if (MiscUtil.matchesIgnoreCase(File.getLongName(), pattern)) {
-			return true;
-		}
-		return false;
-	}
-
-	boolean save(final BooksDatabase database, boolean force) {
-		if (!force && myId != -1 && myIsSaved) {
-			return false;
-		}
-
-		final boolean[] result = new boolean[] { true };
-		database.executeAsTransaction(new Runnable() {
-			public void run() {
-				if (myId >= 0) {
-					final FileInfoSet fileInfos = new FileInfoSet(database, File);
-					database.updateBookInfo(myId, fileInfos.getId(File), myEncoding, myLanguage, getTitle());
-				} else {
-					myId = database.insertBookInfo(File, myEncoding, myLanguage, getTitle());
-					if (myId == -1) {
-						result[0] = false;
-						return;
-					}
-					if (myVisitedHyperlinks != null) {
-						for (String linkId : myVisitedHyperlinks) {
-							database.addVisitedHyperlink(myId, linkId);
-						}
-					}
-					database.addBookHistoryEvent(myId, BooksDatabase.HistoryEvent.Added);
-				}
-
-				long index = 0;
-				database.deleteAllBookAuthors(myId);
-				for (Author author : authors()) {
-					database.saveBookAuthorInfo(myId, index++, author);
-				}
-				database.deleteAllBookTags(myId);
-				for (Tag tag : tags()) {
-					database.saveBookTagInfo(myId, tag);
-				}
-				final List<String> labelsInDb = database.listLabels(myId);
-				for (String label : labelsInDb) {
-					if (myLabels == null || !myLabels.contains(label)) {
-						database.removeLabel(myId, label);
-					}
-				}
-				if (myLabels != null) {
-					for (String label : myLabels) {
-						database.setLabel(myId, label);
-					}
-				}
-				database.saveBookSeriesInfo(myId, mySeriesInfo);
-				database.deleteAllBookUids(myId);
-				for (UID uid : uids()) {
-					database.saveBookUid(myId, uid);
-				}
-				if (myProgress != null) {
-					database.saveBookProgress(myId, myProgress);
-				}
-			}
-		});
-
-		if (result[0]) {
-			myIsSaved = true;
-			return true;
-		} else {
-			return false;
-		}
-	}
-
-	private Set<String> myVisitedHyperlinks;
-	private void initHyperlinkSet(BooksDatabase database) {
-		if (myVisitedHyperlinks == null) {
-			myVisitedHyperlinks = new TreeSet<String>();
-			if (myId != -1) {
-				myVisitedHyperlinks.addAll(database.loadVisitedHyperlinks(myId));
-			}
-		}
-	}
-
-	boolean isHyperlinkVisited(BooksDatabase database, String linkId) {
-		initHyperlinkSet(database);
-		return myVisitedHyperlinks.contains(linkId);
-	}
-
-	void markHyperlinkAsVisited(BooksDatabase database, String linkId) {
-		initHyperlinkSet(database);
-		if (!myVisitedHyperlinks.contains(linkId)) {
-			myVisitedHyperlinks.add(linkId);
-			if (myId != -1) {
-				database.addVisitedHyperlink(myId, linkId);
-			}
-		}
-	}
-
-	@Override
-	public int hashCode() {
-		return File.getShortName().hashCode();
-	}
-
-	@Override
-	public boolean equals(Object o) {
-		if (this == o) {
-			return true;
-		}
-		if (!(o instanceof Book)) {
-			return false;
-		}
-		final Book obook = ((Book)o);
-		final ZLFile ofile = obook.File;
-		if (File.equals(ofile)) {
-			return true;
-		}
-		if (!File.getShortName().equals(ofile.getShortName())) {
-			return false;
-		}
-		if (myUids == null || obook.myUids == null) {
-			return false;
-		}
-		for (UID uid : obook.myUids) {
-			if (myUids.contains(uid)) {
-				return true;
-			}
-		}
-		return false;
-	}
-
-	@Override
-	public String toString() {
-		return new StringBuilder("Book[")
-			.append(File.getPath())
-			.append(", ")
-			.append(myId)
-			.append(", ")
-			.append(getTitle())
-			.append("]")
-			.toString();
+		super(file, plugin);
 	}
 }

src/org/geometerplus/fbreader/formats/ComicBookPlugin.java

@@ -19,7 +19,7 @@
 
 package org.geometerplus.fbreader.formats;
 
-import org.geometerplus.fbreader.book.Book;
+import org.geometerplus.fbreader.book.AbstractBook;
 
 public class ComicBookPlugin extends ExternalFormatPlugin {
 	public ComicBookPlugin() {
@@ -32,7 +32,7 @@ public class ComicBookPlugin extends ExternalFormatPlugin {
 	}
 
 	@Override
-	public void readMetainfo(Book book) {
+	public void readMetainfo(AbstractBook book) {
 		// TODO: implement
 	}
 }

src/org/geometerplus/fbreader/formats/DjVuPlugin.java

@@ -19,7 +19,7 @@
 
 package org.geometerplus.fbreader.formats;
 
-import org.geometerplus.fbreader.book.Book;
+import org.geometerplus.fbreader.book.AbstractBook;
 
 public class DjVuPlugin extends ExternalFormatPlugin {
 	public DjVuPlugin() {
@@ -32,7 +32,7 @@ public class DjVuPlugin extends ExternalFormatPlugin {
 	}
 
 	@Override
-	public void readMetainfo(Book book) {
+	public void readMetainfo(AbstractBook book) {
 		// TODO: implement
 	}
 }

src/org/geometerplus/fbreader/formats/ExternalFormatPlugin.java

@@ -22,7 +22,7 @@ package org.geometerplus.fbreader.formats;
 import org.geometerplus.zlibrary.core.encodings.AutoEncodingCollection;
 import org.geometerplus.zlibrary.core.filesystem.ZLFile;
 
-import org.geometerplus.fbreader.book.Book;
+import org.geometerplus.fbreader.book.AbstractBook;
 import org.geometerplus.fbreader.book.BookUtil;
 
 public abstract class ExternalFormatPlugin extends FormatPlugin {
@@ -48,7 +48,7 @@ public abstract class ExternalFormatPlugin extends FormatPlugin {
 	}
 
 	@Override
-	public void detectLanguageAndEncoding(Book book) {
+	public void detectLanguageAndEncoding(AbstractBook book) {
 	}
 
 	@Override
@@ -57,7 +57,7 @@ public abstract class ExternalFormatPlugin extends FormatPlugin {
 	}
 
 	@Override
-	public void readUids(Book book) {
+	public void readUids(AbstractBook book) {
 		if (book.uids().isEmpty()) {
 			book.addUid(BookUtil.createUid(book.File, "SHA-256"));
 		}

src/org/geometerplus/fbreader/formats/FormatPlugin.java

@@ -28,7 +28,7 @@ import org.geometerplus.zlibrary.core.filesystem.ZLFile;
 import org.geometerplus.zlibrary.core.image.ZLImage;
 import org.geometerplus.zlibrary.core.resources.ZLResource;
 
-import org.geometerplus.fbreader.book.Book;
+import org.geometerplus.fbreader.book.AbstractBook;
 import org.geometerplus.fbreader.bookmodel.BookReadingException;
 
 public abstract class FormatPlugin {
@@ -49,12 +49,12 @@ public abstract class FormatPlugin {
 	public ZLFile realBookFile(ZLFile file) throws BookReadingException {
 		return file;
 	}
-	public List<FileEncryptionInfo> readEncryptionInfos(Book book) {
+	public List<FileEncryptionInfo> readEncryptionInfos(AbstractBook book) {
 		return Collections.emptyList();
 	}
-	public abstract void readMetainfo(Book book) throws BookReadingException;
-	public abstract void readUids(Book book) throws BookReadingException;
-	public abstract void detectLanguageAndEncoding(Book book) throws BookReadingException;
+	public abstract void readMetainfo(AbstractBook book) throws BookReadingException;
+	public abstract void readUids(AbstractBook book) throws BookReadingException;
+	public abstract void detectLanguageAndEncoding(AbstractBook book) throws BookReadingException;
 	public abstract ZLImage readCover(ZLFile file);
 	public abstract String readAnnotation(ZLFile file);
 

src/org/geometerplus/fbreader/formats/NativeFormatPlugin.java

@@ -28,7 +28,7 @@ import org.geometerplus.zlibrary.core.filesystem.ZLFile;
 import org.geometerplus.zlibrary.core.image.*;
 import org.geometerplus.zlibrary.text.model.CachedCharStorageException;
 
-import org.geometerplus.fbreader.book.Book;
+import org.geometerplus.fbreader.book.AbstractBook;
 import org.geometerplus.fbreader.book.BookUtil;
 import org.geometerplus.fbreader.bookmodel.BookModel;
 import org.geometerplus.fbreader.bookmodel.BookReadingException;
@@ -51,7 +51,7 @@ public class NativeFormatPlugin extends BuiltinFormatPlugin {
 	}
 
 	@Override
-	synchronized public void readMetainfo(Book book) throws BookReadingException {
+	synchronized public void readMetainfo(AbstractBook book) throws BookReadingException {
 		final int code = readMetainfoNative(book);
 		if (code != 0) {
 			throw new BookReadingException(
@@ -62,34 +62,34 @@ public class NativeFormatPlugin extends BuiltinFormatPlugin {
 		}
 	}
 
-	private native int readMetainfoNative(Book book);
+	private native int readMetainfoNative(AbstractBook book);
 
 	@Override
-	public List<FileEncryptionInfo> readEncryptionInfos(Book book) {
+	public List<FileEncryptionInfo> readEncryptionInfos(AbstractBook book) {
 		final FileEncryptionInfo[] infos = readEncryptionInfosNative(book);
 		return infos != null
 			? Arrays.<FileEncryptionInfo>asList(infos)
 			: Collections.<FileEncryptionInfo>emptyList();
 	}
 
-	private native FileEncryptionInfo[] readEncryptionInfosNative(Book book);
+	private native FileEncryptionInfo[] readEncryptionInfosNative(AbstractBook book);
 
 	@Override
-	synchronized public void readUids(Book book) throws BookReadingException {
+	synchronized public void readUids(AbstractBook book) throws BookReadingException {
 		readUidsNative(book);
 		if (book.uids().isEmpty()) {
 			book.addUid(BookUtil.createUid(book.File, "SHA-256"));
 		}
 	}
 
-	private native boolean readUidsNative(Book book);
+	private native boolean readUidsNative(AbstractBook book);
 
 	@Override
-	public void detectLanguageAndEncoding(Book book) {
+	public void detectLanguageAndEncoding(AbstractBook book) {
 		detectLanguageAndEncodingNative(book);
 	}
 
-	public native void detectLanguageAndEncodingNative(Book book);
+	public native void detectLanguageAndEncodingNative(AbstractBook book);
 
 	@Override
 	synchronized public void readModel(BookModel model) throws BookReadingException {

src/org/geometerplus/fbreader/formats/PDFPlugin.java

@@ -23,7 +23,7 @@ import org.pdfparse.model.PDFDocInfo;
 import org.pdfparse.model.PDFDocument;
 
 import org.geometerplus.zlibrary.core.filesystem.ZLFile;
-import org.geometerplus.fbreader.book.Book;
+import org.geometerplus.fbreader.book.AbstractBook;
 import org.geometerplus.fbreader.bookmodel.BookReadingException;
 
 public class PDFPlugin extends ExternalFormatPlugin {
@@ -37,7 +37,7 @@ public class PDFPlugin extends ExternalFormatPlugin {
 	}
 
 	@Override
-	public void readMetainfo(Book book) {
+	public void readMetainfo(AbstractBook book) {
 		final ZLFile file = book.File;
 		if (file != file.getPhysicalFile()) {
 			// TODO: throw BookReadingException

src/org/geometerplus/fbreader/formats/fb2/FB2NativePlugin.java

@@ -28,7 +28,7 @@ import org.geometerplus.zlibrary.core.encodings.AutoEncodingCollection;
 
 import org.geometerplus.zlibrary.core.filesystem.ZLFile;
 
-import org.geometerplus.fbreader.book.Book;
+import org.geometerplus.fbreader.book.AbstractBook;
 import org.geometerplus.fbreader.bookmodel.BookModel;
 import org.geometerplus.fbreader.bookmodel.BookReadingException;
 import org.geometerplus.fbreader.formats.NativeFormatPlugin;
@@ -103,7 +103,7 @@ public class FB2NativePlugin extends NativeFormatPlugin {
 	}
 
 	@Override
-	public void detectLanguageAndEncoding(Book book) {
+	public void detectLanguageAndEncoding(AbstractBook book) {
 		book.setEncoding("auto");
 	}
 

src/org/geometerplus/fbreader/formats/oeb/OEBNativePlugin.java

@@ -26,7 +26,7 @@ import org.geometerplus.zlibrary.core.encodings.EncodingCollection;
 import org.geometerplus.zlibrary.core.encodings.AutoEncodingCollection;
 import org.geometerplus.zlibrary.core.filesystem.ZLFile;
 
-import org.geometerplus.fbreader.book.Book;
+import org.geometerplus.fbreader.book.AbstractBook;
 import org.geometerplus.fbreader.bookmodel.BookModel;
 import org.geometerplus.fbreader.bookmodel.BookReadingException;
 import org.geometerplus.fbreader.formats.NativeFormatPlugin;
@@ -60,7 +60,7 @@ public class OEBNativePlugin extends NativeFormatPlugin {
 	}
 
 	@Override
-	public void detectLanguageAndEncoding(Book book) {
+	public void detectLanguageAndEncoding(AbstractBook book) {
 		book.setEncoding("auto");
 	}