Create a file from a ByteArrayOutputStream

Question

Can someone explain how I can get a file object if I have only a ByteArrayOutputStream. How to create a file from a ByteArrayOutputStream?

Answer 1

You can do it with using a FileOutputStream and the writeTo method.

ByteArrayOutputStream byteArrayOutputStream = getByteStreamMethod();
try(OutputStream outputStream = new FileOutputStream("thefilename")) {
    byteArrayOutputStream.writeTo(outputStream);
}

Source: "Creating a file from ByteArrayOutputStream in Java." on Code Inventions