Call Below Function For Convert.
String Prefix :- "File Name" ex= abc
String Suffix:- "File Tyoe" ex= .xyz
public static File stream2file(InputStream in, String Prefix, String Suffix) throws IOException {
final File tempFile = File.createTempFile(Prefix, Suffix);
tempFile.deleteOnExit();
try (FileOutputStream out = new FileOutputStream(tempFile)) {
IOUtils.copy(in, out);
}
return tempFile;
}