httpurlconnection

When reading the InputStream of an HttpURLConnection, is there any reason to use one of the following over the other? I've seen both used in examples. Manual Buffer: while ((length = inputStream.read(buffer)) > 0) { os.write(buf, 0, ret); } BufferedInputStream is = http.getInputStream(); bis = new BufferedInputStream(is); ByteArrayBuffer baf = new ByteArrayBuffer(50); int current = 0; while ((current = bis.read()) != -1) { baf.append(current); } EDIT I'm still new to HTTP in general but one consideration that comes to mind is that if I am using a persistent HTTP connection, I can't just read

I am trying to retrieve the final location of a given URL (String ref) as follows: HttpURLConnection con = (HttpURLConnection)new URL(ref).openConnection(); con.setInstanceFollowRedirects(true); con.setRequestProperty("User-Agent",""); int responseCode = con.getResponseCode(); return con.getURL().toString(); It works in most cases, but rarely returns a URL which yet contains another redirection. What am I doing wrong here? Why do I get responseCode = 3xx, even after calling setInstanceFollowRedirects(true)? UPDATE: OK, responseCode can sometimes be 3xx. If it happens, then I will return con

Hi i have to send a get request to an url http://onemoredemo.appspot.com/group?authToken=access_token&authMethod=oauth with request body contains json object as shown below. {"goupid":"some_variable" } Here is a section of java code for sending get request: URL url1=new URL("http://onemoredemo.appspot.com/group?authToken="+access_token+"&authMethod=oauth"); conn=(HttpURLConnection) url1.openConnection(); conn.addRequestProperty("Content-type", "application/x-www-form-urlencoded"); conn.setRequestMethod("GET"); conn.setDoOutput(true); JSONObject jj=new JSONObject(); HttpGet get; get. jj.put(

I am using HttpURLConnection to make a POST request to a local service deployed in my local created using JAVA Spark. I want to send some data in request body when I make the POST call using the HttpURLConnection but every time the request body in JAVA Spark is null . Below is the code I am using for this Java Spark POST Service Handler post("/", (req, res) -> { System.out.println("Request Body: " + req.body()); return "Hello!!!!"; }); HTTPClass Making the post call `public class HTTPClassExample{ public static void main(String[] args) { try{ URL url = new URL("http://localhost:4567/");