Example usage for java.net HttpURLConnection setRequestMethod

List of usage examples for java.net HttpURLConnection setRequestMethod

Introduction

In this page you can find the example usage for java.net HttpURLConnection setRequestMethod.

Prototype

public void setRequestMethod(String method) throws ProtocolException 

Source Link

Document

Set the method for the URL request, one of:
  • GET
  • POST
  • HEAD
  • OPTIONS
  • PUT
  • DELETE
  • TRACE
are legal, subject to protocol restrictions.

Usage

From source file:com.bellman.bible.service.common.CommonUtils.java

/** return true if URL is accessible
 * /*w w  w.  jav a 2 s  . c o  m*/
 * Since Android 3 must do on different or NetworkOnMainThreadException is thrown
 */
public static boolean isHttpUrlAvailable(final String urlString) {
    boolean isAvailable = false;
    final int TIMEOUT_MILLIS = 3000;

    try {
        class CheckUrlThread extends Thread {
            public boolean checkUrlSuccess = false;

            public void run() {
                HttpURLConnection connection = null;
                try {
                    // might as well test for the url we need to access
                    URL url = new URL(urlString);

                    Log.d(TAG, "Opening test connection");
                    connection = (HttpURLConnection) url.openConnection();
                    connection.setConnectTimeout(TIMEOUT_MILLIS);
                    connection.setReadTimeout(TIMEOUT_MILLIS);
                    connection.setRequestMethod("HEAD");
                    Log.d(TAG, "Connecting to test internet connection");
                    connection.connect();
                    checkUrlSuccess = (connection.getResponseCode() == HttpURLConnection.HTTP_OK);
                    Log.d(TAG, "Url test result for:" + urlString + " is " + checkUrlSuccess);
                } catch (IOException e) {
                    Log.i(TAG, "No internet connection");
                    checkUrlSuccess = false;
                } finally {
                    if (connection != null) {
                        connection.disconnect();
                    }
                }
            }
        }

        CheckUrlThread checkThread = new CheckUrlThread();
        checkThread.start();
        checkThread.join(TIMEOUT_MILLIS);
        isAvailable = checkThread.checkUrlSuccess;
    } catch (InterruptedException e) {
        Log.e(TAG, "Interrupted waiting for url check to complete", e);
    }
    return isAvailable;
}

From source file:com.omertron.themoviedbapi.tools.WebBrowser.java

public static String request(URL url, String jsonBody, boolean isDeleteRequest) throws MovieDbException {

    StringWriter content = null;//w  w w.  j  a v  a  2s .  co m

    try {
        content = new StringWriter();

        BufferedReader in = null;
        HttpURLConnection cnx = null;
        OutputStreamWriter wr = null;
        try {
            cnx = (HttpURLConnection) openProxiedConnection(url);

            // If we get a null connection, then throw an exception
            if (cnx == null) {
                throw new MovieDbException(MovieDbException.MovieDbExceptionType.CONNECTION_ERROR,
                        "No HTTP connection could be made.", url);
            }

            if (isDeleteRequest) {
                cnx.setDoOutput(true);
                cnx.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
                cnx.setRequestMethod("DELETE");
            }

            sendHeader(cnx);

            if (StringUtils.isNotBlank(jsonBody)) {
                cnx.setDoOutput(true);
                wr = new OutputStreamWriter(cnx.getOutputStream());
                wr.write(jsonBody);
            }

            readHeader(cnx);

            // http://stackoverflow.com/questions/4633048/httpurlconnection-reading-response-content-on-403-error
            if (cnx.getResponseCode() >= 400) {
                in = new BufferedReader(new InputStreamReader(cnx.getErrorStream(), getCharset(cnx)));
            } else {
                in = new BufferedReader(new InputStreamReader(cnx.getInputStream(), getCharset(cnx)));
            }

            String line;
            while ((line = in.readLine()) != null) {
                content.write(line);
            }
        } finally {
            if (wr != null) {
                wr.flush();
                wr.close();
            }

            if (in != null) {
                in.close();
            }

            if (cnx instanceof HttpURLConnection) {
                ((HttpURLConnection) cnx).disconnect();
            }
        }
        return content.toString();
    } catch (IOException ex) {
        throw new MovieDbException(MovieDbException.MovieDbExceptionType.CONNECTION_ERROR, null, url, ex);
    } finally {
        if (content != null) {
            try {
                content.close();
            } catch (IOException ex) {
                LOG.debug("Failed to close connection: " + ex.getMessage());
            }
        }
    }
}

From source file:piuk.MyRemoteWallet.java

private static String fetchURL(String URL) throws Exception {

    if (URL.indexOf("?") > 0) {
        URL += "&api_code=" + getApiCode();
    } else {/*w w w  .  j  a  v a 2s . c om*/
        URL += "?api_code=" + getApiCode();
    }

    URL url = new URL(URL);

    HttpURLConnection connection = (HttpURLConnection) url.openConnection();

    try {
        connection.setRequestProperty("Accept", "application/json");
        connection.setRequestProperty("charset", "utf-8");
        connection.setRequestMethod("GET");

        connection.setConnectTimeout(180000);
        connection.setReadTimeout(180000);

        connection.setInstanceFollowRedirects(false);

        connection.connect();

        if (connection.getResponseCode() == 200)
            return IOUtils.toString(connection.getInputStream(), "UTF-8");
        else if (connection.getResponseCode() == 500)
            throw new Exception("Error From Server: " + IOUtils.toString(connection.getErrorStream(), "UTF-8"));
        else
            throw new Exception("Unknown response from server (" + connection.getResponseCode() + ") "
                    + IOUtils.toString(connection.getErrorStream(), "UTF-8"));

    } finally {
        connection.disconnect();
    }
}

From source file:dk.clarin.tools.workflow.java

/**
* Sends an HTTP GET request to a url//from  w  ww  . j  ava  2s.c  om
*
* @param endpoint - The URL of the server. (Example: " http://www.yahoo.com/search")
* @param requestString - all the request parameters (Example: "param1=val1&param2=val2"). Note: This method will add the question mark (?) to the request - DO NOT add it yourself
* @return - The response from the end point
*/

public static int sendRequest(String result, String endpoint, String requestString, bracmat BracMat,
        String filename, String jobID, boolean postmethod) {
    int code = 0;
    String message = "";
    //String filelist;
    if (endpoint.startsWith("http://") || endpoint.startsWith("https://")) {
        // Send a GET or POST request to the servlet
        try {
            // Construct data
            String requestResult = "";
            String urlStr = endpoint;
            if (postmethod) // HTTP POST
            {
                logger.debug("HTTP POST");
                StringReader input = new StringReader(requestString);
                StringWriter output = new StringWriter();
                URL endp = new URL(endpoint);

                HttpURLConnection urlc = null;
                try {
                    urlc = (HttpURLConnection) endp.openConnection();
                    try {
                        urlc.setRequestMethod("POST");
                    } catch (ProtocolException e) {
                        throw new Exception("Shouldn't happen: HttpURLConnection doesn't support POST??", e);
                    }
                    urlc.setDoOutput(true);
                    urlc.setDoInput(true);
                    urlc.setUseCaches(false);
                    urlc.setAllowUserInteraction(false);
                    urlc.setRequestProperty("Content-type", "text/xml; charset=" + "UTF-8");

                    OutputStream out = urlc.getOutputStream();

                    try {
                        Writer writer = new OutputStreamWriter(out, "UTF-8");
                        pipe(input, writer);
                        writer.close();
                    } catch (IOException e) {
                        throw new Exception("IOException while posting data", e);
                    } finally {
                        if (out != null)
                            out.close();
                    }
                } catch (IOException e) {
                    throw new Exception("Connection error (is server running at " + endp + " ?): " + e);
                } finally {
                    if (urlc != null) {
                        code = urlc.getResponseCode();

                        if (code == 200) {
                            got200(result, BracMat, filename, jobID, urlc.getInputStream());
                        } else {
                            InputStream in = urlc.getInputStream();
                            try {
                                Reader reader = new InputStreamReader(in);
                                pipe(reader, output);
                                reader.close();
                                requestResult = output.toString();
                            } catch (IOException e) {
                                throw new Exception("IOException while reading response", e);
                            } finally {
                                if (in != null)
                                    in.close();
                            }
                            logger.debug("urlc.getResponseCode() == {}", code);
                            message = urlc.getResponseMessage();
                            didnotget200(code, result, endpoint, requestString, BracMat, filename, jobID,
                                    postmethod, urlStr, message, requestResult);
                        }
                        urlc.disconnect();
                    } else {
                        code = 0;
                        didnotget200(code, result, endpoint, requestString, BracMat, filename, jobID,
                                postmethod, urlStr, message, requestResult);
                    }
                }
                //requestResult = output.toString();
                logger.debug("postData returns " + requestResult);
            } else // HTTP GET
            {
                logger.debug("HTTP GET");
                // Send data

                if (requestString != null && requestString.length() > 0) {
                    urlStr += "?" + requestString;
                }
                URL url = new URL(urlStr);
                URLConnection conn = url.openConnection();
                conn.connect();

                // Cast to a HttpURLConnection
                if (conn instanceof HttpURLConnection) {
                    HttpURLConnection httpConnection = (HttpURLConnection) conn;
                    code = httpConnection.getResponseCode();
                    logger.debug("httpConnection.getResponseCode() == {}", code);
                    message = httpConnection.getResponseMessage();
                    BufferedReader rd;
                    StringBuilder sb = new StringBuilder();
                    ;
                    //String line;
                    if (code == 200) {
                        got200(result, BracMat, filename, jobID, httpConnection.getInputStream());
                    } else {
                        // Get the error response
                        rd = new BufferedReader(new InputStreamReader(httpConnection.getErrorStream()));
                        int nextChar;
                        while ((nextChar = rd.read()) != -1) {
                            sb.append((char) nextChar);
                        }
                        rd.close();
                        requestResult = sb.toString();
                        didnotget200(code, result, endpoint, requestString, BracMat, filename, jobID,
                                postmethod, urlStr, message, requestResult);
                    }
                } else {
                    code = 0;
                    didnotget200(code, result, endpoint, requestString, BracMat, filename, jobID, postmethod,
                            urlStr, message, requestResult);
                }
            }
            logger.debug("Job " + jobID + " receives status code [" + code + "] from tool.");
        } catch (Exception e) {
            //jobs = 0; // No more jobs to process now, probably the tool is not reachable
            logger.warn("Job " + jobID + " aborted. Reason:" + e.getMessage());
            /*filelist =*/ BracMat.Eval("abortJob$(" + result + "." + jobID + ")");
        }
    } else {
        //jobs = 0; // No more jobs to process now, probably the tool is not integrated at all
        logger.warn("Job " + jobID + " aborted. Endpoint must start with 'http://' or 'https://'. (" + endpoint
                + ")");
        /*filelist =*/ BracMat.Eval("abortJob$(" + result + "." + jobID + ")");
    }
    return code;
}

From source file:com.stockita.popularmovie.utility.Utilities.java

/**
 * This will make a GET request to a RESTful web.
 *
 * @return String of JSON format/*  w w w .  ja  va 2 s  .  c om*/
 */
public static String getMovieData(String uri, Context context) {

    BufferedReader reader = null;
    HttpURLConnection con = null;

    try {
        URL url = new URL(uri);
        con = (HttpURLConnection) url.openConnection();
        con.setReadTimeout(10000 /* milliseconds */);
        con.setConnectTimeout(15000 /* milliseconds */);
        con.setRequestMethod(REQUEST_METHOD_GET);
        con.connect();

        int response = con.getResponseCode();

        if (response < 200 || response > 299) {
            Log.e(LOG_TAG, "connection failed: " + response);
            sNetworkResponse = false;
            return null;
        }

        InputStream inputStream = con.getInputStream();

        // Return null if no date
        if (inputStream == null) {
            Log.e(LOG_TAG, "inputStream returned null");
            return null;
        }

        reader = new BufferedReader(new InputStreamReader(inputStream));
        StringBuilder builder = new StringBuilder();

        String line;
        while ((line = reader.readLine()) != null) {
            builder.append(line + "\n");
        }

        // Return null if no data
        if (builder.length() == 0) {
            Log.e(LOG_TAG, "builder return null");
            return null;
        }

        return builder.toString();

    } catch (IOException e) {
        Log.e(LOG_TAG, e.toString());
        sNetworkResponse = false;
        return null;
    } finally {
        try {
            if (reader != null)
                reader.close();
            if (con != null)
                con.disconnect();
        } catch (Exception e) {
            e.printStackTrace();
            Log.e(LOG_TAG, e.toString());
        }
    }
}

From source file:com.ab.network.toolbox.HurlStack.java

@SuppressWarnings("deprecation")
/* package */ static void setConnectionParametersForRequest(HttpURLConnection connection, Request<?> request)
        throws IOException, AuthFailureError {
    switch (request.getMethod()) {
    case Method.DEPRECATED_GET_OR_POST:
        // This is the deprecated way that needs to be handled for backwards compatibility.
        // If the request's post body is null, then the assumption is that the request is
        // GET.  Otherwise, it is assumed that the request is a POST.
        byte[] postBody = request.getPostBody();
        if (postBody != null) {
            // Prepare output. There is no need to set Content-Length explicitly,
            // since this is handled by HttpURLConnection using the size of the prepared
            // output stream.
            connection.setDoOutput(true);
            connection.setRequestMethod("POST");
            connection.addRequestProperty(HEADER_CONTENT_TYPE, request.getPostBodyContentType());
            DataOutputStream out = new DataOutputStream(connection.getOutputStream());
            out.write(postBody);/*  www .  ja  v a  2  s.c  o  m*/
            out.close();
        }
        break;
    case Method.GET:
        // Not necessary to set the request method because connection defaults to GET but
        // being explicit here.
        connection.setRequestMethod("GET");
        break;
    case Method.DELETE:
        connection.setRequestMethod("DELETE");
        break;
    case Method.POST:
        connection.setRequestMethod("POST");
        addBodyIfExists(connection, request);
        break;
    case Method.PUT:
        connection.setRequestMethod("PUT");
        addBodyIfExists(connection, request);
        break;
    default:
        throw new IllegalStateException("Unknown method type.");
    }
}

From source file:com.wudoumi.batter.volley.toolbox.HurlStack.java

@SuppressWarnings("deprecation")
/* package */ static void setConnectionParametersForRequest(HttpURLConnection connection, Request<?> request)
        throws IOException, AuthFailureError {
    switch (request.getMethod()) {
    case RequestType.DEPRECATED_GET_OR_POST:
        // This is the deprecated way that needs to be handled for backwards compatibility.
        // If the request's post body is null, then the assumption is that the request is
        // GET.  Otherwise, it is assumed that the request is a POST.
        byte[] postBody = request.getPostBody();
        if (postBody != null) {
            // Prepare output. There is no need to set Content-Length explicitly,
            // since this is handled by HttpURLConnection using the size of the prepared
            // output stream.
            connection.setDoOutput(true);
            connection.setRequestMethod("POST");
            connection.addRequestProperty(HEADER_CONTENT_TYPE, request.getPostBodyContentType());
            DataOutputStream out = new DataOutputStream(connection.getOutputStream());
            out.write(postBody);//w  w  w.  jav a2 s  .co m
            out.close();
        }
        break;
    case RequestType.GET:
        // Not necessary to set the request method because connection defaults to GET but
        // being explicit here.
        connection.setRequestMethod("GET");
        break;
    case RequestType.DELETE:
        connection.setRequestMethod("DELETE");
        break;
    case RequestType.POST:
        connection.setRequestMethod("POST");
        addBodyIfExists(connection, request);
        break;
    case RequestType.PUT:
        connection.setRequestMethod("PUT");
        addBodyIfExists(connection, request);
        break;
    default:
        throw new IllegalStateException("Unknown method type.");
    }
}

From source file:com.volley.android.toolbox.HurlStack.java

@SuppressWarnings("deprecation")
/* package */ static void setConnectionParametersForRequest(HttpURLConnection connection, Request<?> request)
        throws IOException, AuthFailureError {
    switch (request.getMethod()) {
    case Request.Method.DEPRECATED_GET_OR_POST:
        // This is the deprecated way that needs to be handled for backwards compatibility.
        // If the request's post body is null, then the assumption is that the request is
        // GET.  Otherwise, it is assumed that the request is a POST.
        byte[] postBody = request.getPostBody();
        if (postBody != null) {
            // Prepare output. There is no need to set Content-Length explicitly,
            // since this is handled by HttpURLConnection using the size of the prepared
            // output stream.
            connection.setDoOutput(true);
            connection.setRequestMethod("POST");
            connection.addRequestProperty(HEADER_CONTENT_TYPE, request.getPostBodyContentType());
            DataOutputStream out = new DataOutputStream(connection.getOutputStream());
            out.write(postBody);//from  w  ww. j  a v  a2s.co  m
            out.close();
        }
        break;
    case Request.Method.GET:
        // Not necessary to set the request method because connection defaults to GET but
        // being explicit here.
        connection.setRequestMethod("GET");
        break;
    case Request.Method.DELETE:
        connection.setRequestMethod("DELETE");
        break;
    case Request.Method.POST:
        connection.setRequestMethod("POST");
        addBodyIfExists(connection, request);
        break;
    case Request.Method.PUT:
        connection.setRequestMethod("PUT");
        addBodyIfExists(connection, request);
        break;
    default:
        throw new IllegalStateException("Unknown method type.");
    }
}

From source file:Main.java

public static String postMultiPart(String urlTo, String post, String filepath, String filefield)
        throws ParseException, IOException {
    HttpURLConnection connection = null;
    DataOutputStream outputStream = null;
    InputStream inputStream = null;

    String twoHyphens = "--";
    String boundary = "*****" + Long.toString(System.currentTimeMillis()) + "*****";
    String lineEnd = "\r\n";

    String result = "";

    int bytesRead, bytesAvailable, bufferSize;
    byte[] buffer;
    int maxBufferSize = 1 * 1024 * 1024;

    String[] q = filepath.split("/");
    int idx = q.length - 1;

    try {//  ww w  .  j  a  va 2s  .c  om
        File file = new File(filepath);
        FileInputStream fileInputStream = new FileInputStream(file);

        URL url = new URL(urlTo);
        connection = (HttpURLConnection) url.openConnection();

        connection.setDoInput(true);
        connection.setDoOutput(true);
        connection.setUseCaches(false);

        connection.setRequestMethod("POST");
        connection.setRequestProperty("Connection", "Keep-Alive");
        connection.setRequestProperty("User-Agent", "Android Multipart HTTP Client 1.0");
        connection.setRequestProperty("Content-Type", "multipart/form-data; boundary=" + boundary);

        outputStream = new DataOutputStream(connection.getOutputStream());
        outputStream.writeBytes(twoHyphens + boundary + lineEnd);
        outputStream.writeBytes("Content-Disposition: form-data; name=\"" + filefield + "\"; filename=\""
                + q[idx] + "\"" + lineEnd);
        outputStream.writeBytes("Content-Type: image/jpeg" + lineEnd);
        outputStream.writeBytes("Content-Transfer-Encoding: binary" + lineEnd);
        outputStream.writeBytes(lineEnd);

        bytesAvailable = fileInputStream.available();
        bufferSize = Math.min(bytesAvailable, maxBufferSize);
        buffer = new byte[bufferSize];

        bytesRead = fileInputStream.read(buffer, 0, bufferSize);
        while (bytesRead > 0) {
            outputStream.write(buffer, 0, bufferSize);
            bytesAvailable = fileInputStream.available();
            bufferSize = Math.min(bytesAvailable, maxBufferSize);
            bytesRead = fileInputStream.read(buffer, 0, bufferSize);
        }

        outputStream.writeBytes(lineEnd);

        // Upload POST Data
        String[] posts = post.split("&");
        int max = posts.length;
        for (int i = 0; i < max; i++) {
            outputStream.writeBytes(twoHyphens + boundary + lineEnd);
            String[] kv = posts[i].split("=");
            outputStream.writeBytes("Content-Disposition: form-data; name=\"" + kv[0] + "\"" + lineEnd);
            outputStream.writeBytes("Content-Type: text/plain" + lineEnd);
            outputStream.writeBytes(lineEnd);
            outputStream.writeBytes(kv[1]);
            outputStream.writeBytes(lineEnd);
        }

        outputStream.writeBytes(twoHyphens + boundary + twoHyphens + lineEnd);

        inputStream = connection.getInputStream();
        result = convertStreamToString(inputStream);

        fileInputStream.close();
        inputStream.close();
        outputStream.flush();
        outputStream.close();

        return result;
    } catch (Exception e) {
        Log.e("MultipartRequest", "Multipart Form Upload Error");
        e.printStackTrace();
        return "error";
    }
}