Example usage for java.net HttpURLConnection setRequestProperty

List of usage examples for java.net HttpURLConnection setRequestProperty

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Introduction

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

Prototype

public void setRequestProperty(String key, String value)

Source Link

Document

Sets the general request property.

Usage

From source file:Main.java

public static String[] getUrlInfos(String urlAsString, int timeout) {
    try {//w  w w. j  av a2 s . c  o  m
        URL url = new URL(urlAsString);
        //using proxy may increase latency
        HttpURLConnection hConn = (HttpURLConnection) url.openConnection(Proxy.NO_PROXY);
        hConn.setRequestProperty("User-Agent", "Mozilla/5.0 Gecko/20100915 Firefox/3.6.10");

        // on android we got problems because of this
        // so disable that for now
        //            hConn.setRequestProperty("Accept-Encoding", "gzip, deflate");
        hConn.setConnectTimeout(timeout);
        hConn.setReadTimeout(timeout);
        // default length of bufferedinputstream is 8k
        byte[] arr = new byte[K4];
        InputStream is = hConn.getInputStream();

        if ("gzip".equals(hConn.getContentEncoding()))
            is = new GZIPInputStream(is);

        BufferedInputStream in = new BufferedInputStream(is, arr.length);
        in.read(arr);

        return getUrlInfosFromText(arr, hConn.getContentType());
    } catch (Exception ex) {
    }
    return new String[] { "", "" };
}

From source file:com.joelapenna.foursquared.appwidget.stats.FoursquareHelper.java

/**
 * Pull the raw text content of the given URL. This call blocks until the
 * operation has completed, and is synchronized because it uses a shared
 * buffer {@link #sBuffer}.//from www .j a  v  a2 s  . c o  m
 *
 * @param url The exact URL to request.
 * @return The raw content returned by the server.
 * @throws ApiException If any connection or server error occurs.
 * @author Sections of this code contributed by jTribe (http://jtribe.com.au)
 */
protected static synchronized String getUrlContent(String sUrl, String email, String pword)
        throws ApiException {
    if (sUserAgent == null) {
        throw new ApiException("User-Agent string must be prepared");
    }

    String userPassword = email + ":" + pword;
    String encoding = Base64Coder.encodeString(userPassword);
    try {
        URL url = new URL(sUrl);

        System.setProperty("http.keepAlive", "false");
        HttpURLConnection connection = (HttpURLConnection) url.openConnection();
        connection.setRequestProperty("Authorization", "Basic " + encoding);
        connection.setReadTimeout(REQUEST_TIMEOUT * MILLISECONDS);
        connection.setConnectTimeout(REQUEST_TIMEOUT * MILLISECONDS);
        connection.setRequestProperty("User-Agent", sUserAgent);
        connection.setRequestMethod("GET");

        //Get response code
        int responseCode = connection.getResponseCode();

        if (responseCode != HTTP_STATUS_OK) {
            throw new ApiException("Invalid response from server: " + connection.getResponseMessage());
        }

        // Pull content stream from response
        InputStream inputStream = connection.getInputStream();
        ByteArrayOutputStream content = new ByteArrayOutputStream();

        // Read response into a buffered stream
        int readBytes = 0;
        while ((readBytes = inputStream.read(sBuffer)) != -1) {
            content.write(sBuffer, 0, readBytes);
        }

        // Return result from buffered stream
        return new String(content.toByteArray());
    } catch (IOException e) {
        throw new ApiException("Problem communicating with API", e);
    }
}

From source file:org.droidparts.http.worker.HttpURLConnectionWorker.java

public static void postOrPut(HttpURLConnection conn, String contentType, String data) throws HTTPException {
    conn.setRequestProperty("Accept-Charset", UTF8);
    conn.setRequestProperty("Content-Type", contentType);
    conn.setRequestProperty("Connection", "Keep-Alive");

    OutputStream os = null;//from ww  w .ja  va  2 s . c  o  m
    try {
        os = conn.getOutputStream();
        os.write(data.getBytes(UTF8));
    } catch (Exception e) {
        throw new HTTPException(e);
    } finally {
        silentlyClose(os);
    }
}

From source file:Main.java

public static void post(String actionUrl, String file) {
    try {//  ww w .j  av  a 2s  .  co  m
        URL url = new URL(actionUrl);
        HttpURLConnection con = (HttpURLConnection) url.openConnection();
        con.setDoInput(true);
        con.setDoOutput(true);
        con.setUseCaches(false);
        con.setRequestMethod("POST");
        con.setRequestProperty("Charset", "UTF-8");
        con.setRequestProperty("Content-Type", "multipart/form-data;boundary=*****");
        DataOutputStream ds = new DataOutputStream(con.getOutputStream());
        FileInputStream fStream = new FileInputStream(file);
        int bufferSize = 1024; // 1MB
        byte[] buffer = new byte[bufferSize];
        int bufferLength = 0;
        int length;
        while ((length = fStream.read(buffer)) != -1) {
            bufferLength = bufferLength + 1;
            ds.write(buffer, 0, length);
        }
        fStream.close();
        ds.flush();
        InputStream is = con.getInputStream();
        int ch;
        StringBuilder b = new StringBuilder();
        while ((ch = is.read()) != -1) {
            b.append((char) ch);
        }
        new String(b.toString().getBytes("ISO-8859-1"), "utf-8");
        ds.close();
    } catch (MalformedURLException e) {
        e.printStackTrace();
    } catch (ProtocolException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

From source file:com.appdynamics.common.RESTClient.java

public static void sendPost(String urlString, String input, String apiKey) {
    try {//from  w w  w . j ava 2  s  .c  o m
        URL url = new URL(urlString);
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        conn.setDoOutput(true);
        conn.setRequestMethod("POST");
        conn.setRequestProperty("Content-Type", "application/json");

        conn.setRequestProperty("Authorization",
                "Basic " + new String(Base64.encodeBase64((apiKey).getBytes())));

        OutputStream os = conn.getOutputStream();
        os.write(input.getBytes());
        os.flush();

        if (conn.getResponseCode() != HttpURLConnection.HTTP_CREATED) {
            throw new RuntimeException("Failed : HTTP error code : " + conn.getResponseCode());
        }

        BufferedReader br = new BufferedReader(new InputStreamReader((conn.getInputStream())));

        String output;
        logger.info("Output from Server .... \n");
        while ((output = br.readLine()) != null) {
            logger.info(output);
        }

        conn.disconnect();

    } catch (MalformedURLException e) {

        e.printStackTrace();

    } catch (IOException e) {

        e.printStackTrace();

    }

}

From source file:ee.ria.xroad.signer.certmanager.OcspClient.java

private static HttpURLConnection createConnection(URL url) throws IOException {
    HttpURLConnection connection = (HttpURLConnection) url.openConnection();
    connection.setRequestProperty(MimeUtils.HEADER_CONTENT_TYPE, MimeTypes.OCSP_REQUEST);
    connection.setRequestProperty("Accept", MimeTypes.OCSP_RESPONSE);
    connection.setDoOutput(true);/*from   w  ww .  ja v a  2s  .c o  m*/
    connection.setConnectTimeout(CONNECT_TIMEOUT_MS);
    connection.setReadTimeout(READ_TIMEOUT_MS);
    connection.connect();

    return connection;
}

From source file:Main.java

public static URI unredirect(URI uri) throws IOException {
    if (!REDIRECTOR_DOMAINS.contains(uri.getHost())) {
        return uri;
    }//  ww  w.  j a  va 2s.  co  m
    URL url = uri.toURL();

    HttpURLConnection connection = (HttpURLConnection) url.openConnection();
    connection.setInstanceFollowRedirects(false);
    connection.setDoInput(false);
    connection.setRequestMethod("HEAD");
    connection.setRequestProperty("User-Agent", "ZXing (Android)");
    try {
        connection.connect();
        switch (connection.getResponseCode()) {
        case HttpURLConnection.HTTP_MULT_CHOICE:
        case HttpURLConnection.HTTP_MOVED_PERM:
        case HttpURLConnection.HTTP_MOVED_TEMP:
        case HttpURLConnection.HTTP_SEE_OTHER:
        case 307: // No constant for 307 Temporary Redirect ?
            String location = connection.getHeaderField("Location");
            if (location != null) {
                try {
                    return new URI(location);
                } catch (URISyntaxException e) {
                    // nevermind
                }
            }
        }
        return uri;
    } finally {
        connection.disconnect();
    }
}

From source file:ilearnrw.utils.ServerHelperClass.java

public static String sendGet(String link) throws Exception {
    String url = baseUrl + link;/*w w w  .  java2s  . c om*/
    URL obj = new URL(url);
    HttpURLConnection con = (HttpURLConnection) obj.openConnection();
    // optional default is GET
    con.setRequestMethod("GET");
    con.setRequestProperty("Authorization", userNamePasswordBase64("api", "api"));
    //con.setRequestProperty("User-Agent", USER_AGENT);

    BufferedReader in = new BufferedReader(new InputStreamReader(con.getInputStream()));
    String inputLine;
    StringBuffer response = new StringBuffer();

    while ((inputLine = in.readLine()) != null) {
        response.append(inputLine);
    }
    in.close();
    return response.toString();
}

From source file:javaphpmysql.JavaPHPMySQL.java

public static void sendPost() {
    //Creamos un objeto JSON
    JSONObject jsonObj = new JSONObject();
    //Aadimos el nombre, apellidos y email del usuario
    jsonObj.put("nombre", nombre);
    jsonObj.put("apellidos", apellidos);
    jsonObj.put("email", email);
    //Creamos una lista para almacenar el JSON
    List l = new LinkedList();
    l.addAll(Arrays.asList(jsonObj));
    //Generamos el String JSON
    String jsonString = JSONValue.toJSONString(l);
    System.out.println("JSON GENERADO:");
    System.out.println(jsonString);
    System.out.println("");

    try {/*ww  w  .  jav  a2 s .  c  o  m*/
        //Codificar el json a URL
        jsonString = URLEncoder.encode(jsonString, "UTF-8");
        //Generar la URL
        String url = SERVER_PATH + "listenPost.php";
        //Creamos un nuevo objeto URL con la url donde queremos enviar el JSON
        URL obj = new URL(url);
        //Creamos un objeto de conexin
        HttpURLConnection con = (HttpURLConnection) obj.openConnection();
        //Aadimos la cabecera
        con.setRequestMethod("POST");
        con.setRequestProperty("User-Agent", USER_AGENT);
        con.setRequestProperty("Accept-Language", "en-US,en;q=0.5");
        //Creamos los parametros para enviar
        String urlParameters = "json=" + jsonString;
        // Enviamos los datos por POST
        con.setDoOutput(true);
        DataOutputStream wr = new DataOutputStream(con.getOutputStream());
        wr.writeBytes(urlParameters);
        wr.flush();
        wr.close();
        //Capturamos la respuesta del servidor
        int responseCode = con.getResponseCode();
        System.out.println("\nSending 'POST' request to URL : " + url);
        System.out.println("Post parameters : " + urlParameters);
        System.out.println("Response Code : " + responseCode);

        BufferedReader in = new BufferedReader(new InputStreamReader(con.getInputStream()));
        String inputLine;
        StringBuffer response = new StringBuffer();

        while ((inputLine = in.readLine()) != null) {
            response.append(inputLine);
        }
        //Mostramos la respuesta del servidor por consola
        System.out.println(response);
        //cerramos la conexin
        in.close();
    } catch (Exception e) {
        e.printStackTrace();
    }
}

From source file:net.daporkchop.porkbot.util.HTTPUtils.java

/**
 * Performs a POST request to the specified URL and returns the result.
 * <p/>//from   www  . j  av  a  2 s .c o m
 * The POST data will be encoded in UTF-8 as the specified contentType. The response will be parsed as UTF-8.
 * If the server returns an error but still provides a body, the body will be returned as normal.
 * If the server returns an error without any body, a relevant {@link java.io.IOException} will be thrown.
 *
 * @param url         URL to submit the POST request to
 * @param post        POST data in the correct format to be submitted
 * @param contentType Content type of the POST data
 * @return Raw text response from the server
 * @throws IOException The request was not successful
 */
public static String performPostRequest(@NonNull URL url, @NonNull String post, @NonNull String contentType)
        throws IOException {
    final HttpURLConnection connection = createUrlConnection(url);
    final byte[] postAsBytes = post.getBytes(Charsets.UTF_8);

    connection.setRequestProperty("Content-Type", contentType + "; charset=utf-8");
    connection.setRequestProperty("Content-Length", "" + postAsBytes.length);
    connection.setDoOutput(true);

    OutputStream outputStream = null;
    try {
        outputStream = connection.getOutputStream();
        IOUtils.write(postAsBytes, outputStream);
    } finally {
        IOUtils.closeQuietly(outputStream);
    }

    return sendRequest(connection);
}