@Override
public void detectLanguageAndEncoding(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));
} catch (IOException e) {
throw new BookReadingException(e, book.File);
} finally {
if (stream != null) {
try {
stream.close();
} catch (IOException e) {
}
}
}
}
@Override
public synchronized void readUids(Book book) throws BookReadingException {
readUidsNative(book);
if (book.uids().isEmpty()) {
book.addUid(BookUtil.createSHA256Uid(book.File));
}
}
public Map<String, Object> data(IBookCollection<Book> collection) {
final Map<String, Object> map = new HashMap<String, Object>();
map.put("generation", myGeneration.getValue());
map.put("timestamp", System.currentTimeMillis());
final Book currentBook = collection.getRecentBook(0);
if (currentBook != null) {
final String oldHash = myCurrentBookHash.getValue();
final String newHash = collection.getHash(currentBook, true);
if (newHash != null && !newHash.equals(oldHash)) {
myCurrentBookHash.setValue(newHash);
if (oldHash.length() != 0) {
myCurrentBookTimestamp.setValue(String.valueOf(System.currentTimeMillis()));
myServerBook.reset();
}
}
final String currentBookHash = newHash != null ? newHash : oldHash;
final Map<String, Object> currentBookMap = new HashMap<String, Object>();
currentBookMap.put("hash", currentBookHash);
currentBookMap.put("title", currentBook.getTitle());
try {
currentBookMap.put("timestamp", Long.parseLong(myCurrentBookTimestamp.getValue()));
} catch (Exception e) {
}
map.put("currentbook", currentBookMap);
final List<Map<String, Object>> lst = new ArrayList<Map<String, Object>>();
if (positionOption(currentBookHash).getValue().length() == 0) {
final Map<String, Object> posMap = positionMap(collection, currentBook);
if (posMap != null) {
posMap.put("hash", currentBookHash);
lst.add(posMap);
}
}
if (!currentBookHash.equals(oldHash) && positionOption(oldHash).getValue().length() == 0) {
final Map<String, Object> posMap =
positionMap(collection, collection.getBookByHash(oldHash));
if (posMap != null) {
posMap.put("hash", oldHash);
lst.add(posMap);
}
}
if (lst.size() > 0) {
map.put("positions", lst);
}
}
System.err.println("DATA = " + map);
return map;
}
private Map<String, Object> positionMap(IBookCollection<Book> collection, Book book) {
if (book == null) {
return null;
}
final ZLTextFixedPosition.WithTimestamp pos = collection.getStoredPosition(book.getId());
return pos != null ? position2Map(pos) : null;
}
@Override
public String getSummary() {
StringBuilder builder = new StringBuilder();
int count = 0;
for (Author author : Book.authors()) {
if (count++ > 0) {
builder.append(", ");
}
builder.append(author.DisplayName);
if (count == 5) {
break;
}
}
return builder.toString();
}
public static void shareBook(Activity activity, Book book) {
try {
final ZLPhysicalFile file = book.File.getPhysicalFile();
if (file == null) {
// That should be impossible
return;
}
final CharSequence sharedFrom =
Html.fromHtml(ZLResource.resource("sharing").getResource("sharedFrom").getValue());
activity.startActivity(
new Intent(Intent.ACTION_SEND)
.setType(FileTypeCollection.Instance.rawMimeType(file).Name)
.putExtra(Intent.EXTRA_SUBJECT, book.getTitle())
.putExtra(Intent.EXTRA_TEXT, sharedFrom)
.putExtra(Intent.EXTRA_STREAM, Uri.fromFile(file.javaFile())));
} catch (ActivityNotFoundException e) {
// TODO: show toast
}
}
@Override
public void readUids(Book book) {
if (book.uids().isEmpty()) {
book.addUid(BookUtil.createUid(book.File, "SHA-256"));
}
}
@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) {
}
}
}
}
@Override
public void readUids(Book book) throws BookReadingException {
if (book.uids().isEmpty()) {
book.addUid(BookUtil.createUid(book.File, "SHA-256"));
}
}
