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;
}
@Override
public void characterDataHandler(char[] ch, int start, int length) {
// TODO + length -- remove
final String text = new String(ch).substring(start, start + length);
if (myReadTitle) {
myBook.setTitle(myBook.getTitle() + text);
}
}
@Override
protected void reloadBook(Book book) {
final Cursor cursor =
myDatabase.rawQuery(
"SELECT title,encoding,language FROM Books WHERE book_id = " + book.getId(), null);
if (cursor.moveToNext()) {
book.setTitle(cursor.getString(0));
book.setEncoding(cursor.getString(1));
book.setLanguage(cursor.getString(2));
}
cursor.close();
}
@Override
protected void setValue(String value) {
super.setValue(value);
myBook.setTitle(value);
}
@Override
public void readMetaInfo(Book book) throws BookReadingException {
InputStream stream = null;
try {
stream = book.File.getInputStream();
final PdbHeader header = new PdbHeader(stream);
PdbUtil.skip(stream, header.Offsets[0] + 16 - header.length());
if (PdbUtil.readInt(stream) != 0x4D4F4249) /* "MOBI" */ {
throw new BookReadingException("unsupportedFileFormat", book.File);
}
final int length = (int) PdbUtil.readInt(stream);
PdbUtil.skip(stream, 4);
final int encodingCode = (int) PdbUtil.readInt(stream);
final Encoding encoding = supportedEncodings().getEncoding(encodingCode);
final String encodingName = encoding != null ? encoding.Name : "utf-8";
book.setEncoding(encodingName);
PdbUtil.skip(stream, 52);
final int fullNameOffset = (int) PdbUtil.readInt(stream);
final int fullNameLength = (int) PdbUtil.readInt(stream);
final int languageCode = (int) PdbUtil.readInt(stream);
book.setLanguage(
ZLLanguageUtil.languageByIntCode(languageCode & 0xFF, (languageCode >> 8) & 0xFF));
PdbUtil.skip(stream, 32);
int offset = 132;
if ((PdbUtil.readInt(stream) & 0x40) != 0) {
PdbUtil.skip(stream, length - 116);
offset = length + 20;
if (PdbUtil.readInt(stream) == 0x45585448) /* "EXTH" */ {
PdbUtil.skip(stream, 4);
final int recordsNumber = (int) PdbUtil.readInt(stream);
offset += 8;
for (int i = 0; i < recordsNumber; ++i) {
final int type = (int) PdbUtil.readInt(stream);
final int size = (int) PdbUtil.readInt(stream);
offset += size;
if (size <= 8) {
continue;
}
switch (type) {
default:
PdbUtil.skip(stream, size - 8);
break;
case 100:
{
final byte[] buffer = new byte[size - 8];
stream.read(buffer);
String author = new String(buffer, encodingName);
final int index = author.indexOf(',');
if (index != -1) {
author =
author.substring(index + 1).trim()
+ ' '
+ author.substring(0, index).trim();
} else {
author = author.trim();
}
book.addAuthor(author);
break;
}
case 105:
{
final byte[] buffer = new byte[size - 8];
stream.read(buffer);
book.addTag(new String(buffer, encodingName));
break;
}
}
}
}
}
PdbUtil.skip(stream, fullNameOffset - offset);
final byte[] titleBuffer = new byte[fullNameLength];
stream.read(titleBuffer);
book.setTitle(new String(titleBuffer, encodingName));
} catch (IOException e) {
throw new BookReadingException(e, book.File);
} finally {
if (stream != null) {
try {
stream.close();
} catch (IOException e) {
}
}
}
}
public HtmlMetaInfoReader(Book book) {
myBook = book;
myBook.setTitle("");
}
public FB2MetaInfoReader(Book book) {
myBook = book;
myBook.setTitle(null);
myBook.setLanguage(null);
}
@Override
public boolean endElementHandler(String tag) {
switch (FB2Tag.getTagByName(tag)) {
case FB2Tag.TITLE_INFO:
myReadState = READ_NOTHING;
break;
case FB2Tag.BOOK_TITLE:
if (myReadState == READ_TITLE) {
myBook.setTitle(myBuffer.toString().trim());
myReadState = READ_SOMETHING;
}
break;
case FB2Tag.GENRE:
if (myReadState == READ_GENRE) {
final String genre = myBuffer.toString().trim();
if (genre.length() > 0) {
final ArrayList<Tag> tags = FB2TagManager.humanReadableTags(genre);
if (tags != null) {
for (Tag t : tags) {
myBook.addTag(t);
}
} else {
myBook.addTag(genre);
}
}
myReadState = READ_SOMETHING;
}
break;
case FB2Tag.AUTHOR:
if (myReadState == READ_AUTHOR) {
myAuthorNames[0] = myAuthorNames[0].trim();
myAuthorNames[1] = myAuthorNames[1].trim();
myAuthorNames[2] = myAuthorNames[2].trim();
String fullName = myAuthorNames[0];
if (fullName.length() != 0 && myAuthorNames[1].length() != 0) {
fullName += ' ';
}
fullName += myAuthorNames[1];
if (fullName.length() != 0 && myAuthorNames[2].length() != 0) {
fullName += ' ';
}
fullName += myAuthorNames[2];
myBook.addAuthor(fullName, myAuthorNames[2]);
myAuthorNames[0] = "";
myAuthorNames[1] = "";
myAuthorNames[2] = "";
myReadState = READ_SOMETHING;
}
break;
case FB2Tag.LANG:
if (myReadState == READ_LANGUAGE) {
myBook.setLanguage(myBuffer.toString().trim());
myReadState = READ_SOMETHING;
}
break;
case FB2Tag.FIRST_NAME:
if (myReadState == READ_AUTHOR_NAME_0) {
myReadState = READ_AUTHOR;
}
break;
case FB2Tag.MIDDLE_NAME:
if (myReadState == READ_AUTHOR_NAME_1) {
myReadState = READ_AUTHOR;
}
break;
case FB2Tag.LAST_NAME:
if (myReadState == READ_AUTHOR_NAME_2) {
myReadState = READ_AUTHOR;
}
break;
default:
break;
}
myBuffer.delete(0, myBuffer.length());
return false;
}
