public static File saveBookToWorkingFolder(Book book, String exporterType) throws IOException {
Exporter exporter =
exporterType == null ? Exporters.getExporter() : Exporters.getExporter(exporterType);
if (exporter == null) {
throw new IllegalOpArgumentException("can't find exporter " + exporterType);
}
String bn = suggestFileName(book);
String name = FileUtil.getName(bn);
String ext = FileUtil.getNameExtension(bn);
if (Strings.isBlank(name)) {
name = "book";
}
// prefix has > 3
File f = File.createTempFile("temp_" + name, "." + ext, getWorkingFolder());
FileOutputStream fos = null;
try {
fos = new FileOutputStream(f);
exporter.export(book, fos);
} finally {
if (fos != null) {
fos.close();
}
}
return f;
}
public void save(Book book) throws IOException {
String savingPath = WebApps.getCurrent().getRealPath("/WEB-INF/books/") + File.separator;
File targetFile = new File(savingPath + book.getBookName());
FileOutputStream fos = null;
try {
// write to temporary file first to avoid write error damage original file
File temp = File.createTempFile("temp", targetFile.getName());
fos = new FileOutputStream(temp);
Exporters.getExporter().export(book, fos);
fos.close();
fos = null;
copy(temp, targetFile);
temp.delete();
} catch (Exception e) {
e.printStackTrace();
} finally {
if (fos != null) fos.close();
}
}