boolean readMetaInfo() {
myEncoding = null;
myLanguage = null;
myTitle = null;
myAuthors = null;
myTags = null;
mySeriesInfo = null;
myIsSaved = false;
final FormatPlugin plugin = PluginCollection.Instance().getPlugin(File);
if (plugin == null || !plugin.readMetaInfo(this)) {
return false;
}
if (myTitle == null || myTitle.length() == 0) {
final String fileName = File.getShortName();
final int index = fileName.lastIndexOf('.');
setTitle(index > 0 ? fileName.substring(0, index) : fileName);
}
final String demoPathPrefix =
Paths.BooksDirectoryOption().getValue()
+ java.io.File.separator
+ "Demos"
+ java.io.File.separator;
if (File.getPath().startsWith(demoPathPrefix)) {
final String demoTag = LibraryUtil.resource().getResource("demo").getValue();
setTitle(getTitle() + " (" + demoTag + ")");
addTag(demoTag);
}
return true;
}
public static Book getByFile(ZLFile bookFile) {
if (bookFile == null) {
return null;
}
final ZLPhysicalFile physicalFile = bookFile.getPhysicalFile();
if (physicalFile != null && !physicalFile.exists()) {
return null;
}
final FileInfoSet fileInfos = new FileInfoSet(bookFile);
Book book = BooksDatabase.Instance().loadBookByFile(fileInfos.getId(bookFile), bookFile);
if (book != null) {
book.loadLists();
}
if (book != null && fileInfos.check(physicalFile, physicalFile != bookFile)) {
return book;
}
fileInfos.save();
if (book == null) {
book = new Book(bookFile);
}
if (book.readMetaInfo()) {
book.save();
return book;
}
return null;
}
public String getContentHashCode() {
InputStream stream = null;
try {
final MessageDigest hash = MessageDigest.getInstance("SHA-256");
stream = File.getInputStream();
final byte[] buffer = new byte[2048];
while (true) {
final int nread = stream.read(buffer);
if (nread == -1) {
break;
}
hash.update(buffer, 0, nread);
}
final Formatter f = new Formatter();
for (byte b : hash.digest()) {
f.format("%02X", b & 0xFF);
}
return f.toString();
} catch (IOException e) {
return null;
} catch (NoSuchAlgorithmException e) {
return null;
} finally {
if (stream != null) {
try {
stream.close();
} catch (IOException e) {
}
}
}
}
boolean matches(String pattern) {
if (myTitle != null && ZLMiscUtil.matchesIgnoreCase(myTitle, pattern)) {
return true;
}
if (mySeriesInfo != null && ZLMiscUtil.matchesIgnoreCase(mySeriesInfo.Name, pattern)) {
return true;
}
if (myAuthors != null) {
for (Author author : myAuthors) {
if (ZLMiscUtil.matchesIgnoreCase(author.DisplayName, pattern)) {
return true;
}
}
}
if (myTags != null) {
for (Tag tag : myTags) {
if (ZLMiscUtil.matchesIgnoreCase(tag.Name, pattern)) {
return true;
}
}
}
if (ZLMiscUtil.matchesIgnoreCase(File.getLongName(), pattern)) {
return true;
}
return false;
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (!(o instanceof Book)) {
return false;
}
return File.equals(((Book) o).File);
}
public static Book getById(long bookId) {
final Book book = BooksDatabase.Instance().loadBook(bookId);
if (book == null) {
return null;
}
book.loadLists();
final ZLFile bookFile = book.File;
final ZLPhysicalFile physicalFile = bookFile.getPhysicalFile();
if (physicalFile == null) {
return book;
}
if (!physicalFile.exists()) {
return null;
}
FileInfoSet fileInfos = new FileInfoSet(physicalFile);
if (fileInfos.check(physicalFile, physicalFile != bookFile)) {
return book;
}
fileInfos.save();
return book.readMetaInfo() ? book : null;
}
