public int getPriority() {
if (type == null) return 0;
DocumentFormat df = DocumentFormat.byMimeType(type);
if (rel != null
&& rel.indexOf("acquisition") < 0
&& df != DocumentFormat.FB2
&& df != DocumentFormat.EPUB
&& df != DocumentFormat.RTF
&& df != DocumentFormat.DOC) return 0;
return df != null ? df.getPriority() : 0;
}
private File generateFileName(File outDir, String fileName, String type, boolean isZip) {
DocumentFormat fmt = type != null ? DocumentFormat.byMimeType(type) : null;
// DocumentFormat fmtext = fileName!=null ? DocumentFormat.byExtension(fileName) : null;
if (fileName == null) fileName = "noname";
String ext = null;
if (fileName.lastIndexOf(".") > 0) {
ext = fileName.substring(fileName.lastIndexOf(".") + 1);
fileName = fileName.substring(0, fileName.lastIndexOf("."));
}
fileName = transcribeFileName(fileName);
if (fmt != null) {
if (fmt == DocumentFormat.FB2 && isZip) ext = ".fb2.zip";
else ext = fmt.getExtensions()[0].substring(1);
}
for (int i = 0; i < 1000; i++) {
String fn = fileName + (i == 0 ? "" : "(" + i + ")") + "." + ext;
File f = new File(outDir, fn);
if (!f.exists() && !f.isDirectory()) return f;
}
return null;
}
private void downloadBook(
final String type,
final String url,
InputStream is,
int contentLength,
final String fileName,
final boolean isZip)
throws Exception {
L.d("Download requested: " + type + " " + url + " " + contentLength);
DocumentFormat fmt = DocumentFormat.byMimeType(type);
if (fmt == null) {
L.d("Download: unknown type " + type);
throw new Exception("Unknown file type " + type);
}
final File outDir =
BackgroundThread.instance()
.callGUI(
new Callable<File>() {
@Override
public File call() throws Exception {
return callback.onDownloadStart(type, url);
}
});
if (outDir == null) {
L.d("Cannot find writable location for downloaded file " + url);
throw new Exception("Cannot save file " + url);
}
final File outFile = generateFileName(outDir, fileName, type, isZip);
if (outFile == null) {
L.d("Cannot generate file name");
throw new Exception("Cannot generate file name");
}
L.d("Creating file: " + outFile.getAbsolutePath());
if (outFile.exists() || !outFile.createNewFile()) {
L.d("Cannot create file " + outFile.getAbsolutePath());
throw new Exception("Cannot create file");
}
L.d("Download started: " + outFile.getAbsolutePath());
// long lastTs = System.currentTimeMillis();
// int lastPercent = -1;
FileOutputStream os = null;
boolean success = false;
try {
os = new FileOutputStream(outFile);
byte[] buf = new byte[16384];
int totalWritten = 0;
while (totalWritten < contentLength || contentLength == -1) {
int bytesRead = is.read(buf);
if (bytesRead <= 0) break;
os.write(buf, 0, bytesRead);
totalWritten += bytesRead;
// final int percent = totalWritten * 100 / contentLength;
// long ts = System.currentTimeMillis();
// if ( percent!=lastPercent && ts - lastTs > 1500 ) {
// L.d("Download progress: " + percent + "%");
// BackgroundThread.instance().postGUI(new Runnable() {
// @Override
// public void run() {
// callback.onDownloadProgress(type, url, percent);
// }
// });
// }
}
success = true;
} finally {
if (os != null) os.close();
if (!success) {
if (outFile.exists() && outFile.isFile()) {
L.w("deleting unsuccessully downloaded file " + outFile);
outFile.delete();
}
}
}
L.d("Download finished");
BackgroundThread.instance()
.executeGUI(
new Runnable() {
@Override
public void run() {
callback.onDownloadEnd(type, url, outFile);
}
});
}
