public static final File writeFileItemToFolder(
FileItem fileItem, File folder, boolean overwrite, boolean rename) throws IOException {
if (!folder.isDirectory()) {
return null;
}
File file =
new File(
URLHelper.mergePath(
folder.getAbsolutePath(),
StringHelper.createFileName(StringHelper.getFileNameFromPath(fileItem.getName()))));
if (!file.exists()) {
file.createNewFile();
} else {
if (!overwrite && !rename) {
throw new FileExistsException("File already exists.");
}
if (rename) {
file = ResourceHelper.getFreeFileName(file);
}
}
InputStream in = null;
try {
in = fileItem.getInputStream();
writeStreamToFile(in, file);
return file;
} catch (IOException e) {
ResourceHelper.closeResource(in);
file.delete();
throw e;
} finally {
ResourceHelper.closeResource(in);
}
}
