jbyteArray scanBookCoverInternal
(JNIEnv * _env, jclass _class, jstring _path)
{
CRJNIEnv env(_env);
lString16 path = env.fromJavaString(_path);
CRLog::debug("scanBookCoverInternal(%s) called", LCSTR(path));
lString16 arcname, item;
LVStreamRef res;
jbyteArray array = NULL;
LVContainerRef arc;
if (!LVSplitArcName(path, arcname, item)) {
// not in archive
LVStreamRef stream = LVOpenFileStream(path.c_str(), LVOM_READ);
if (!stream.isNull()) {
arc = LVOpenArchieve(stream);
if (!arc.isNull()) {
// ZIP-based format
if (DetectEpubFormat(stream)) {
// EPUB
// extract coverpage from epub
res = GetEpubCoverpage(arc);
}
} else {
res = GetFB2Coverpage(stream);
if (res.isNull()) {
doc_format_t fmt;
if (DetectPDBFormat(stream, fmt)) {
res = GetPDBCoverpage(stream);
}
}
}
}
} else {
CRLog::debug("scanBookCoverInternal() : is archive, item=%s, arc=%s", LCSTR(item), LCSTR(arcname));
LVStreamRef arcstream = LVOpenFileStream(arcname.c_str(), LVOM_READ);
if (!arcstream.isNull()) {
arc = LVOpenArchieve(arcstream);
if (!arc.isNull()) {
LVStreamRef stream = arc->OpenStream(item.c_str(), LVOM_READ);
if (!stream.isNull()) {
CRLog::debug("scanBookCoverInternal() : archive stream opened ok, parsing");
res = GetFB2Coverpage(stream);
if (res.isNull()) {
doc_format_t fmt;
if (DetectPDBFormat(stream, fmt)) {
res = GetPDBCoverpage(stream);
}
}
}
}
}
}
if (!res.isNull())
array = env.streamToJByteArray(res);
if (array != NULL)
CRLog::debug("scanBookCoverInternal() : returned cover page array");
else
CRLog::debug("scanBookCoverInternal() : cover page data not found");
return array;
}
/*
* Class: org_coolreader_crengine_Engine
* Method: scanBookCoverInternal
* Signature: (Ljava/lang/String;)[B
*/
JNIEXPORT jbyteArray JNICALL Java_org_coolreader_crengine_Engine_scanBookCoverInternal
(JNIEnv * _env, jobject _engine, jstring _path) {
CRJNIEnv env(_env);
lString16 path = env.fromJavaString(_path);
CRLog::debug("scanBookCoverInternal(%s) called", LCSTR(path));
lString16 arcname, item;
LVStreamRef res;
jbyteArray array = NULL;
LVContainerRef arc;
if (!LVSplitArcName(path, arcname, item)) {
// not in archive
LVStreamRef stream = LVOpenFileStream(path.c_str(), LVOM_READ);
if (!stream.isNull()) {
arc = LVOpenArchieve(stream);
if (!arc.isNull()) {
// ZIP-based format
if (DetectEpubFormat(stream)) {
// EPUB
// extract coverpage from epub
res = GetEpubCoverpage(arc);
}
} else {
doc_format_t fmt;
if (DetectPDBFormat(stream, fmt)) {
res = GetPDBCoverpage(stream);
}
}
}
}
if (!res.isNull())
array = env.streamToJByteArray(res);
if (array != NULL)
CRLog::debug("scanBookCoverInternal() : returned cover page array");
else
CRLog::debug("scanBookCoverInternal() : cover page data not found");
return array;
}
static bool GetBookProperties(const char *name, BookProperties * pBookProps)
{
CRLog::trace("GetBookProperties( %s )", name);
// check archieve
lString16 arcPathName;
lString16 arcItemPathName;
bool isArchiveFile = LVSplitArcName( lString16(name), arcPathName, arcItemPathName );
// open stream
LVStreamRef stream = LVOpenFileStream( (isArchiveFile ? arcPathName : Utf8ToUnicode(lString8(name))).c_str() , LVOM_READ);
if (!stream) {
CRLog::error("cannot open file %s", name);
return false;
}
if ( DetectEpubFormat( stream ) ) {
CRLog::trace("GetBookProperties() : epub format detected");
return GetEPUBBookProperties( name, stream, pBookProps );
}
time_t t = (time_t)time(0);
if ( isArchiveFile ) {
int arcsize = (int)stream->GetSize();
LVContainerRef container = LVOpenArchieve(stream);
if ( container.isNull() ) {
CRLog::error( "Cannot read archive contents from %s", LCSTR(arcPathName) );
return false;
}
stream = container->OpenStream(arcItemPathName.c_str(), LVOM_READ);
if ( stream.isNull() ) {
CRLog::error( "Cannot open archive file item stream %s", LCSTR(lString16(name)) );
return false;
}
}
struct stat fs;
if ( !stat( name, &fs ) ) {
t = fs.st_mtime;
}
// read document
#if COMPACT_DOM==1
ldomDocument doc(stream, 0);
#else
ldomDocument doc;
#endif
ldomDocumentWriter writer(&doc, true);
doc.setNodeTypes( fb2_elem_table );
doc.setAttributeTypes( fb2_attr_table );
doc.setNameSpaceTypes( fb2_ns_table );
LVXMLParser parser( stream, &writer );
CRLog::trace( "checking format..." );
if ( !parser.CheckFormat() ) {
return false;
}
CRLog::trace( "parsing..." );
if ( !parser.Parse() ) {
return false;
}
CRLog::trace( "parsed" );
#if 0
char ofname[512];
sprintf(ofname, "%s.xml", name);
CRLog::trace(" writing to file %s", ofname);
LVStreamRef out = LVOpenFileStream(ofname, LVOM_WRITE);
doc.saveToStream(out, "utf16");
#endif
lString16 authors = extractDocAuthors( &doc, lString16("|"), false );
lString16 title = extractDocTitle( &doc );
lString16 language = extractDocLanguage( &doc ).lowercase();
lString16 series = extractDocSeries( &doc, &pBookProps->seriesNumber );
#if SERIES_IN_AUTHORS==1
if ( !series.empty() )
authors << " " << series;
#endif
pBookProps->title = title;
pBookProps->author = authors;
pBookProps->series = series;
pBookProps->filesize = (long)stream->GetSize();
pBookProps->filename = lString16(name);
pBookProps->filedate = getDateTimeString( t );
pBookProps->language = language;
return true;
}
