List of usage examples for java.net HttpURLConnection getErrorStream
public InputStream getErrorStream()
From source file:com.commsen.jwebthumb.WebThumbService.java
private HttpURLConnection getFetchConnection(WebThumbFetchRequest webThumbFetchRequest) throws WebThumbException { Validate.notNull(webThumbFetchRequest, "webThumbFetchRequest is null!"); if (LOGGER.isLoggable(Level.FINE)) { LOGGER.fine("Attempting to send webThumbFetchRequest: " + webThumbFetchRequest); }//w ww. j a va 2 s . c o m WebThumb webThumb = new WebThumb(apikey, webThumbFetchRequest); try { HttpURLConnection connection = (HttpURLConnection) new URL(WEB_THUMB_URL).openConnection(); connection.setInstanceFollowRedirects(false); connection.setDoOutput(true); connection.setRequestMethod("POST"); SimpleXmlSerializer.generateRequest(webThumb, connection.getOutputStream()); int responseCode = connection.getResponseCode(); String contentType = getContentType(connection); if (LOGGER.isLoggable(Level.FINE)) { LOGGER.fine("webThumbFetchRequest sent. Got response: " + responseCode + " " + connection.getResponseMessage()); LOGGER.fine("Content type: " + contentType); } if (responseCode == HttpURLConnection.HTTP_OK) { if (CONTENT_TYPE_TEXT_PLAIN.equals(contentType)) { throw new WebThumbException( "Server side error: " + IOUtils.toString(connection.getInputStream())); } return connection; } else if (responseCode == HttpURLConnection.HTTP_INTERNAL_ERROR) { WebThumbResponse webThumbResponse = SimpleXmlSerializer.parseResponse(connection.getErrorStream(), WebThumbResponse.class); throw new WebThumbException("Server side error: " + webThumbResponse.getError().getValue()); } else { throw new WebThumbException("Server side error: " + connection.getResponseCode() + " " + connection.getResponseMessage()); } } catch (MalformedURLException e) { throw new WebThumbException("failed to send request", e); } catch (IOException e) { throw new WebThumbException("failed to send request", e); } }
From source file:com.trk.aboutme.facebook.android.Util.java
/** * Connect to an HTTP URL and return the response as a string. * * Note that the HTTP method override is used on non-GET requests. (i.e. * requests are made as "POST" with method specified in the body). * * @param url - the resource to open: must be a welformed URL * @param method - the HTTP method to use ("GET", "POST", etc.) * @param params - the query parameter for the URL (e.g. access_token=foo) * @return the URL contents as a String/*www. j a va2 s. c om*/ * @throws MalformedURLException - if the URL format is invalid * @throws IOException - if a network problem occurs */ @Deprecated public static String openUrl(String url, String method, Bundle params) throws MalformedURLException, IOException { // random string as boundary for multi-part http post String strBoundary = "3i2ndDfv2rTHiSisAbouNdArYfORhtTPEefj3q2f"; String endLine = "\r\n"; OutputStream os; if (method.equals("GET")) { url = url + "?" + encodeUrl(params); } Utility.logd("Facebook-Util", method + " URL: " + url); HttpURLConnection conn = (HttpURLConnection) new URL(url).openConnection(); conn.setRequestProperty("User-Agent", System.getProperties().getProperty("http.agent") + " FacebookAndroidSDK"); if (!method.equals("GET")) { Bundle dataparams = new Bundle(); for (String key : params.keySet()) { Object parameter = params.get(key); if (parameter instanceof byte[]) { dataparams.putByteArray(key, (byte[]) parameter); } } // use method override if (!params.containsKey("method")) { params.putString("method", method); } if (params.containsKey("access_token")) { String decoded_token = URLDecoder.decode(params.getString("access_token")); params.putString("access_token", decoded_token); } conn.setRequestMethod("POST"); conn.setRequestProperty("Content-Type", "multipart/form-data;boundary=" + strBoundary); conn.setDoOutput(true); conn.setDoInput(true); conn.setRequestProperty("Connection", "Keep-Alive"); conn.connect(); os = new BufferedOutputStream(conn.getOutputStream()); os.write(("--" + strBoundary + endLine).getBytes()); os.write((encodePostBody(params, strBoundary)).getBytes()); os.write((endLine + "--" + strBoundary + endLine).getBytes()); if (!dataparams.isEmpty()) { for (String key : dataparams.keySet()) { os.write(("Content-Disposition: form-data; filename=\"" + key + "\"" + endLine).getBytes()); os.write(("Content-Type: content/unknown" + endLine + endLine).getBytes()); os.write(dataparams.getByteArray(key)); os.write((endLine + "--" + strBoundary + endLine).getBytes()); } } os.flush(); } String response = ""; try { response = read(conn.getInputStream()); } catch (FileNotFoundException e) { // Error Stream contains JSON that we can parse to a FB error response = read(conn.getErrorStream()); } return response; }
From source file:com.eyekabob.util.facebook.Util.java
/** * Connect to an HTTP URL and return the response as a string. * * Note that the HTTP method override is used on non-GET requests. (i.e. * requests are made as "POST" with method specified in the body). * * @param url - the resource to open: must be a welformed URL * @param method - the HTTP method to use ("GET", "POST", etc.) * @param params - the query parameter for the URL (e.g. access_token=foo) * @return the URL contents as a String//from w w w .ja va2 s . c om * @throws MalformedURLException - if the URL format is invalid * @throws IOException - if a network problem occurs */ // COFFBR01 MODIFIED public static String openUrl(String url, String method, Bundle params) throws MalformedURLException, IOException { // random string as boundary for multi-part http post String strBoundary = "3i2ndDfv2rTHiSisAbouNdArYfORhtTPEefj3q2f"; String endLine = "\r\n"; OutputStream os; if (method.equals("GET")) { url = url + "?" + encodeUrl(params); } Util.logd("Facebook-Util", method + " URL: " + url); HttpURLConnection conn = (HttpURLConnection) new URL(url).openConnection(); conn.setRequestProperty("User-Agent", System.getProperties().getProperty("http.agent") + " FacebookAndroidSDK"); if (!method.equals("GET")) { Bundle dataparams = new Bundle(); for (String key : params.keySet()) { Object value = params.get(key); if (value instanceof byte[]) { dataparams.putByteArray(key, (byte[]) value); } } // use method override if (!params.containsKey("method")) { params.putString("method", method); } if (params.containsKey("access_token")) { String decoded_token = URLDecoder.decode(params.getString("access_token")); params.putString("access_token", decoded_token); } conn.setRequestMethod("POST"); conn.setRequestProperty("Content-Type", "multipart/form-data;boundary=" + strBoundary); conn.setDoOutput(true); conn.setDoInput(true); conn.setRequestProperty("Connection", "Keep-Alive"); conn.connect(); os = new BufferedOutputStream(conn.getOutputStream()); os.write(("--" + strBoundary + endLine).getBytes()); os.write((encodePostBody(params, strBoundary)).getBytes()); os.write((endLine + "--" + strBoundary + endLine).getBytes()); if (!dataparams.isEmpty()) { for (String key : dataparams.keySet()) { os.write(("Content-Disposition: form-data; filename=\"" + key + "\"" + endLine).getBytes()); os.write(("Content-Type: content/unknown" + endLine + endLine).getBytes()); os.write(dataparams.getByteArray(key)); os.write((endLine + "--" + strBoundary + endLine).getBytes()); } } os.flush(); } String response = ""; try { response = read(conn.getInputStream()); } catch (FileNotFoundException e) { // Error Stream contains JSON that we can parse to a FB error response = read(conn.getErrorStream()); } return response; }
From source file:cc.sferalabs.libs.telegram.bot.api.TelegramBot.java
/** * Sends a request to the server./*from w ww .j a v a2 s . c o m*/ * * @param <T> * the class to cast the returned value to * @param request * the request to be sent * @param timeout * the read timeout value (in milliseconds) to be used for server * response. A timeout of zero is interpreted as an infinite * timeout * @return the JSON object representing the value of the field "result" of * the response JSON object cast to the specified type parameter * @throws ResponseError * if the server returned an error response, i.e. the value of * the field "ok" of the response JSON object is {@code false} * @throws ParseException * if an error occurs while parsing the server response * @throws IOException * if an I/O exception occurs */ @SuppressWarnings("unchecked") public <T> T sendRequest(Request request, int timeout) throws IOException, ParseException, ResponseError { HttpURLConnection connection = null; try { URL url = buildUrl(request); log.debug("Performing request: {}", url); connection = (HttpURLConnection) url.openConnection(); connection.setReadTimeout(timeout); if (request instanceof SendFileRequest) { MultipartEntityBuilder builder = MultipartEntityBuilder.create(); Path filePath = ((SendFileRequest) request).getFilePath(); builder.addBinaryBody(((SendFileRequest) request).getFileParamName(), filePath.toFile()); HttpEntity multipart = builder.build(); connection.setRequestMethod("POST"); connection.setDoOutput(true); connection.setRequestProperty("Content-Type", multipart.getContentType().getValue()); connection.setRequestProperty("Content-Length", "" + multipart.getContentLength()); try (OutputStream out = connection.getOutputStream()) { multipart.writeTo(out); } } else { connection.setRequestMethod("GET"); connection.setRequestProperty("Content-Length", "0"); } boolean httpOk = connection.getResponseCode() == HttpURLConnection.HTTP_OK; try (InputStream in = httpOk ? connection.getInputStream() : connection.getErrorStream(); BufferedReader br = new BufferedReader(new InputStreamReader(in, StandardCharsets.UTF_8))) { JSONObject resp = (JSONObject) parser.parse(br); log.debug("Response: {}", resp); boolean ok = (boolean) resp.get("ok"); if (!ok) { String description = (String) resp.get("description"); if (description == null) { description = "ok=false"; } throw new ResponseError(description); } return (T) resp.get("result"); } } finally { if (connection != null) { connection.disconnect(); } } }
From source file:com.captix.scan.social.facebook.Util.java
/** * Connect to an HTTP URL and return the response as a string. * //from ww w . ja va2s . co m * Note that the HTTP method override is used on non-GET requests. (i.e. * requests are made as "POST" with method specified in the body). * * @param url * - the resource to open: must be a welformed URL * @param method * - the HTTP method to use ("GET", "POST", etc.) * @param params * - the query parameter for the URL (e.g. access_token=foo) * @return the URL contents as a String * @throws MalformedURLException * - if the URL format is invalid * @throws IOException * - if a network problem occurs */ public static String openUrl(String url, String method, Bundle params) throws MalformedURLException, IOException { // random string as boundary for multi-part http post String strBoundary = "3i2ndDfv2rTHiSisAbouNdArYfORhtTPEefj3q2f"; String endLine = "\r\n"; OutputStream os; if (method.equals("GET")) { url = url + "?" + encodeUrl(params); } Log.d("Facebook-Util", method + " URL: " + url); HttpURLConnection conn = (HttpURLConnection) new URL(url).openConnection(); conn.setRequestProperty("User-Agent", System.getProperties().getProperty("http.agent") + " FacebookAndroidSDK"); if (!method.equals("GET")) { Bundle dataparams = new Bundle(); for (String key : params.keySet()) { if (params.getByteArray(key) != null) { dataparams.putByteArray(key, params.getByteArray(key)); } } // use method override if (!params.containsKey("method")) { params.putString("method", method); } if (params.containsKey("access_token")) { @SuppressWarnings("deprecation") String decoded_token = URLDecoder.decode(params.getString("access_token")); params.putString("access_token", decoded_token); } conn.setRequestMethod("POST"); conn.setRequestProperty("Content-Type", "multipart/form-data;boundary=" + strBoundary); conn.setDoOutput(true); conn.setDoInput(true); conn.setRequestProperty("Connection", "Keep-Alive"); conn.connect(); os = new BufferedOutputStream(conn.getOutputStream()); os.write(("--" + strBoundary + endLine).getBytes()); os.write((encodePostBody(params, strBoundary)).getBytes()); os.write((endLine + "--" + strBoundary + endLine).getBytes()); if (!dataparams.isEmpty()) { for (String key : dataparams.keySet()) { os.write(("Content-Disposition: form-data; filename=\"" + key + "\"" + endLine).getBytes()); os.write(("Content-Type: content/unknown" + endLine + endLine).getBytes()); os.write(dataparams.getByteArray(key)); os.write((endLine + "--" + strBoundary + endLine).getBytes()); } } os.flush(); } String response = ""; try { response = read(conn.getInputStream()); } catch (FileNotFoundException e) { // Error Stream contains JSON that we can parse to a FB error response = read(conn.getErrorStream()); } return response; }
From source file:barcamp.com.facebook.android.Util.java
/** * Connect to an HTTP URL and return the response as a string. * * Note that the HTTP method override is used on non-GET requests. (i.e. * requests are made as "POST" with method specified in the body). * * @param url - the resource to open: must be a welformed URL * @param method - the HTTP method to use ("GET", "POST", etc.) * @param params - the query parameter for the URL (e.g. access_token=foo) * @return the URL contents as a String// ww w. j a v a2 s.c om * @throws MalformedURLException - if the URL format is invalid * @throws IOException - if a network problem occurs */ public static String openUrl(String url, String method, Bundle params) throws MalformedURLException, IOException { // random string as boundary for multi-part http post String strBoundary = "3i2ndDfv2rTHiSisAbouNdArYfORhtTPEefj3q2f"; String endLine = "\r\n"; OutputStream os; if (method.equals("GET")) { url = url + "?" + encodeUrl(params); } Log.d("Facebook-Util", method + " URL: " + url); HttpURLConnection conn = (HttpURLConnection) new URL(url).openConnection(); conn.setRequestProperty("User-Agent", System.getProperties().getProperty("http.agent") + " FacebookAndroidSDK"); if (!method.equals("GET")) { Bundle dataparams = new Bundle(); for (String key : params.keySet()) { if (params.get(key) instanceof byte[]) { //if (params.getByteArray(key) != null) { dataparams.putByteArray(key, params.getByteArray(key)); } } // use method override if (!params.containsKey("method")) { params.putString("method", method); } if (params.containsKey("access_token")) { String decoded_token = URLDecoder.decode(params.getString("access_token")); params.putString("access_token", decoded_token); } conn.setRequestMethod("POST"); conn.setRequestProperty("Content-Type", "multipart/form-data;boundary=" + strBoundary); conn.setDoOutput(true); conn.setDoInput(true); conn.setRequestProperty("Connection", "Keep-Alive"); conn.connect(); os = new BufferedOutputStream(conn.getOutputStream()); os.write(("--" + strBoundary + endLine).getBytes()); os.write((encodePostBody(params, strBoundary)).getBytes()); os.write((endLine + "--" + strBoundary + endLine).getBytes()); if (!dataparams.isEmpty()) { for (String key : dataparams.keySet()) { os.write(("Content-Disposition: form-data; filename=\"" + key + "\"" + endLine).getBytes()); os.write(("Content-Type: content/unknown" + endLine + endLine).getBytes()); os.write(dataparams.getByteArray(key)); os.write((endLine + "--" + strBoundary + endLine).getBytes()); } } os.flush(); } String response = ""; try { response = read(conn.getInputStream()); } catch (FileNotFoundException e) { // Error Stream contains JSON that we can parse to a FB error response = read(conn.getErrorStream()); } return response; }
From source file:com.enefsy.facebook.Util.java
/** * Connect to an HTTP URL and return the response as a string. * * Note that the HTTP method override is used on non-GET requests. (i.e. * requests are made as "POST" with method specified in the body). * * @param url - the resource to open: must be a welformed URL * @param method - the HTTP method to use ("GET", "POST", etc.) * @param params - the query parameter for the URL (e.g. access_token=foo) * @return the URL contents as a String/*from w ww. j a v a 2 s.co m*/ * @throws MalformedURLException - if the URL format is invalid * @throws IOException - if a network problem occurs */ public static String openUrl(String url, String method, Bundle params) throws MalformedURLException, IOException { // random string as boundary for multi-part http post String strBoundary = "3i2ndDfv2rTHiSisAbouNdArYfORhtTPEefj3q2f"; String endLine = "\r\n"; OutputStream os; if (method.equals("GET")) { url = url + "?" + encodeUrl(params); } HttpURLConnection conn = (HttpURLConnection) new URL(url).openConnection(); conn.setRequestProperty("User-Agent", System.getProperties().getProperty("http.agent") + " FacebookAndroidSDK"); if (!method.equals("GET")) { Bundle dataparams = new Bundle(); for (String key : params.keySet()) { Object parameter = params.get(key); if (parameter instanceof byte[]) { dataparams.putByteArray(key, (byte[]) parameter); } } // use method override if (!params.containsKey("method")) { params.putString("method", method); } if (params.containsKey("access_token")) { String decoded_token = URLDecoder.decode(params.getString("access_token")); params.putString("access_token", decoded_token); } conn.setRequestMethod("POST"); conn.setRequestProperty("Content-Type", "multipart/form-data;boundary=" + strBoundary); conn.setDoOutput(true); conn.setDoInput(true); conn.setRequestProperty("Connection", "Keep-Alive"); conn.connect(); os = new BufferedOutputStream(conn.getOutputStream()); os.write(("--" + strBoundary + endLine).getBytes()); os.write((encodePostBody(params, strBoundary)).getBytes()); os.write((endLine + "--" + strBoundary + endLine).getBytes()); if (!dataparams.isEmpty()) { for (String key : dataparams.keySet()) { os.write(("Content-Disposition: form-data; filename=\"" + key + "\"" + endLine).getBytes()); os.write(("Content-Type: content/unknown" + endLine + endLine).getBytes()); os.write(dataparams.getByteArray(key)); os.write((endLine + "--" + strBoundary + endLine).getBytes()); } } os.flush(); } String response = ""; try { response = read(conn.getInputStream()); } catch (FileNotFoundException e) { // Error Stream contains JSON that we can parse to a FB error response = read(conn.getErrorStream()); } return response; }
From source file:com.ble.facebook.Util.java
/** * Connect to an HTTP URL and return the response as a string. * /*from w w w . j a v a 2s . c o m*/ * Note that the HTTP method override is used on non-GET requests. (i.e. * requests are made as "POST" with method specified in the body). * * @param url - the resource to open: must be a welformed URL * @param method - the HTTP method to use ("GET", "POST", etc.) * @param params - the query parameter for the URL (e.g. access_token=foo) * @return the URL contents as a String * @throws MalformedURLException - if the URL format is invalid * @throws IOException - if a network problem occurs */ public static String openUrl(String url, String method, Bundle params) throws MalformedURLException, IOException { // random string as boundary for multi-part http post String strBoundary = "3i2ndDfv2rTHiSisAbouNdArYfORhtTPEefj3q2f"; String endLine = "\r\n"; OutputStream os; if (method.equals("GET")) { url = url + "?" + encodeUrl(params); } Log.d("Facebook-Util", method + " URL: " + url); //url+="&fields=email"; HttpURLConnection conn = (HttpURLConnection) new URL(url).openConnection(); conn.setRequestProperty("User-Agent", System.getProperties().getProperty("http.agent") + " FacebookAndroidSDK"); if (!method.equals("GET")) { Bundle dataparams = new Bundle(); for (String key : params.keySet()) { if (params.getByteArray(key) != null) { dataparams.putByteArray(key, params.getByteArray(key)); } } // use method override if (!params.containsKey("method")) { params.putString("method", method); } if (params.containsKey("access_token")) { String decoded_token = URLDecoder.decode(params.getString("access_token")); params.putString("access_token", decoded_token); } conn.setRequestMethod("POST"); conn.setRequestProperty("Content-Type", "multipart/form-data;boundary=" + strBoundary); conn.setDoOutput(true); conn.setDoInput(true); conn.setRequestProperty("Connection", "Keep-Alive"); conn.connect(); os = new BufferedOutputStream(conn.getOutputStream()); os.write(("--" + strBoundary + endLine).getBytes()); os.write((encodePostBody(params, strBoundary)).getBytes()); os.write((endLine + "--" + strBoundary + endLine).getBytes()); if (!dataparams.isEmpty()) { for (String key : dataparams.keySet()) { os.write(("Content-Disposition: form-data; filename=\"" + key + "\"" + endLine).getBytes()); os.write(("Content-Type: content/unknown" + endLine + endLine).getBytes()); os.write(dataparams.getByteArray(key)); os.write((endLine + "--" + strBoundary + endLine).getBytes()); } } os.flush(); } String response = ""; try { response = read(conn.getInputStream()); } catch (FileNotFoundException e) { // Error Stream contains JSON that we can parse to a FB error response = read(conn.getErrorStream()); } return response; }
From source file:de.gebatzens.sia.SiaAPI.java
public APIResponse doRequest(String url, JSONObject request) throws IOException { HttpURLConnection con = (HttpURLConnection) new URL(BuildConfig.BACKEND_SERVER + url).openConnection(); con.setRequestProperty("User-Agent", "SchulinfoAPP/" + BuildConfig.VERSION_NAME + " (" + BuildConfig.VERSION_CODE + " " + BuildConfig.BUILD_TYPE + " Android " + Build.VERSION.RELEASE + " " + Build.PRODUCT + ")"); con.setRequestProperty("Accept-Encoding", "gzip"); con.setConnectTimeout(3000);// w w w. j a v a2s . c om con.setRequestMethod(request == null ? "GET" : "POST"); con.setInstanceFollowRedirects(false); if (request != null) { con.setDoOutput(true); con.setRequestProperty("Content-Type", "application/json"); DataOutputStream wr = new DataOutputStream(con.getOutputStream()); wr.writeBytes(request.toString()); wr.flush(); wr.close(); } if (BuildConfig.DEBUG) Log.d("ggvp", "connection to " + con.getURL() + " established"); InputStream in = con.getResponseCode() != 200 ? con.getErrorStream() : con.getInputStream(); String encoding = con.getHeaderField("Content-Encoding"); if (encoding != null && encoding.equalsIgnoreCase("gzip")) { in = new GZIPInputStream(in); } BufferedReader reader = new BufferedReader(new InputStreamReader(in)); String response = ""; String line = ""; while ((line = reader.readLine()) != null) response += line; JSONObject json = null; try { json = new JSONObject(response); String state = json.getString("state"); Object data = json.opt("data"); String reason = json.optString("reason", ""); Log.d("ggvp", "received state " + state + " " + con.getResponseCode() + " reason: " + reason); return new APIResponse(state.equals("succeeded") ? APIState.SUCCEEDED : APIState.FAILED, data, reason); } catch (JSONException e) { Log.e("ggvp", e.toString()); e.printStackTrace(); return new APIResponse(APIState.FAILED); } }
From source file:com.permpings.utils.facebook.sdk.Util.java
/** * Connect to an HTTP URL and return the response as a string. * * Note that the HTTP method override is used on non-GET requests. (i.e. * requests are made as "POST" with method specified in the body). * * @param url - the resource to open: must be a welformed URL * @param method - the HTTP method to use ("GET", "POST", etc.) * @param params - the query parameter for the URL (e.g. access_token=foo) * @return the URL contents as a String/*from w w w . java 2 s. c o m*/ * @throws MalformedURLException - if the URL format is invalid * @throws IOException - if a network problem occurs */ public static String openUrl(String url, String method, Bundle params) throws MalformedURLException, IOException { // random string as boundary for multi-part http post String strBoundary = "3i2ndDfv2rTHiSisAbouNdArYfORhtTPEefj3q2f"; String endLine = "\r\n"; OutputStream os; if (method.equals("GET")) { url = url + "?" + encodeUrl(params); } Util.logd("Facebook-Util", method + " URL: " + url); HttpURLConnection conn = (HttpURLConnection) new URL(url).openConnection(); conn.setRequestProperty("User-Agent", System.getProperties().getProperty("http.agent") + " FacebookAndroidSDK"); if (!method.equals("GET")) { Bundle dataparams = new Bundle(); for (String key : params.keySet()) { Object parameter = params.get(key); if (parameter instanceof byte[]) { dataparams.putByteArray(key, (byte[]) parameter); } } // use method override if (!params.containsKey("method")) { params.putString("method", method); } if (params.containsKey("access_token")) { String decoded_token = URLDecoder.decode(params.getString("access_token")); params.putString("access_token", decoded_token); } conn.setRequestMethod("POST"); conn.setRequestProperty("Content-Type", "multipart/form-data;boundary=" + strBoundary); conn.setDoOutput(true); conn.setDoInput(true); conn.setRequestProperty("Connection", "Keep-Alive"); conn.connect(); os = new BufferedOutputStream(conn.getOutputStream()); os.write(("--" + strBoundary + endLine).getBytes()); os.write((encodePostBody(params, strBoundary)).getBytes()); os.write((endLine + "--" + strBoundary + endLine).getBytes()); if (!dataparams.isEmpty()) { for (String key : dataparams.keySet()) { os.write(("Content-Disposition: form-data; filename=\"" + key + "\"" + endLine).getBytes()); os.write(("Content-Type: content/unknown" + endLine + endLine).getBytes()); os.write(dataparams.getByteArray(key)); os.write((endLine + "--" + strBoundary + endLine).getBytes()); } } os.flush(); } String response = ""; try { response = read(conn.getInputStream()); } catch (FileNotFoundException e) { // Error Stream contains JSON that we can parse to a FB error response = read(conn.getErrorStream()); } return response; }