Example usage for java.net HttpURLConnection setDoOutput

Introduction

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

Prototype

public void setDoOutput(boolean dooutput) 

Source Link

Document

Sets the value of the doOutput field for this URLConnection to the specified value.

Usage

From source file:com.expertiseandroid.lib.sociallib.utils.Utils.java

/**
 * Sends a POST request with an attached object
 * @param url the url that should be opened
 * @param params the body parameters/*from  ww  w.j ava2 s  . co m*/
 * @param attachment the object to be attached
 * @return the response
 * @throws IOException
 */
public static String postWithAttachment(String url, Map<String, String> params, Object attachment)
        throws IOException {
    String boundary = generateBoundaryString(10);
    URL servUrl = new URL(url);
    HttpURLConnection conn = (HttpURLConnection) servUrl.openConnection();
    conn.setRequestProperty("User-Agent", System.getProperties().getProperty("http.agent") + SOCIALLIB);
    conn.setRequestMethod("POST");
    String contentType = "multipart/form-data; boundary=" + boundary;
    conn.setRequestProperty("Content-Type", contentType);

    byte[] body = generatePostBody(params, attachment, boundary);

    conn.setDoOutput(true);
    conn.connect();
    OutputStream out = conn.getOutputStream();
    out.write(body);
    InputStream is = null;
    try {
        is = conn.getInputStream();
    } catch (FileNotFoundException e) {
        is = conn.getErrorStream();
    } catch (Exception e) {
        int statusCode = conn.getResponseCode();
        Log.e("Response code", "" + statusCode);
        return conn.getResponseMessage();
    }

    BufferedReader r = new BufferedReader(new InputStreamReader(is));
    StringBuilder sb = new StringBuilder();
    String l;
    while ((l = r.readLine()) != null)
        sb.append(l).append('\n');
    out.close();
    is.close();
    if (conn != null)
        conn.disconnect();
    return sb.toString();
}

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From source file:com.hippo.httpclient.JsonPoster.java

@Override
public void onBeforeConnect(HttpURLConnection conn) throws Exception {
    super.onBeforeConnect(conn);

    conn.setDoOutput(true);
    conn.setDoInput(true);/*from www  .j  ava2s  . c o  m*/
    conn.setUseCaches(false);
    conn.setRequestMethod("POST");
    conn.setRequestProperty("Content-Type", "application/json");
}

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From source file:acclaim.Acclaim.java

public String doHTTPPostRequest(String url) throws Exception {
    String rawData = "id=10";
    String type = "application/x-www-form-urlencoded";
    String encodedData = URLEncoder.encode(rawData);
    URL u = new URL("http://www.example.com/page.php");
    HttpURLConnection conn = (HttpURLConnection) u.openConnection();
    conn.setDoOutput(true);
    conn.setRequestMethod("POST");
    conn.setRequestProperty("Content-Type", type);
    conn.setRequestProperty("Content-Length", String.valueOf(encodedData.length()));
    OutputStream os = conn.getOutputStream();
    os.write(encodedData.getBytes());/*from w  w w . j av a  2  s.  co m*/
    return null;
}

---

From source file:com.flozano.socialauth.util.HttpUtil.java

/**
 * Makes HTTP request using java.net.HTTPURLConnection and optional settings
 * for the connection/*from   w  w w .jav  a2 s  .c  o  m*/
 *
 * @param urlStr
 *            the URL String
 * @param requestMethod
 *            Method type
 * @param body
 *            Body to pass in request.
 * @param header
 *            Header parameters
 * @param connectionSettings
 *            The connection settings to apply
 * @return Response Object
 * @throws SocialAuthException
 */
public static Response doHttpRequest(final String urlStr, final String requestMethod, final String body,
        final Map<String, String> header, Optional<ConnectionSettings> connectionSettings)
        throws SocialAuthException {
    HttpURLConnection conn;
    try {

        URL url = new URL(urlStr);
        if (proxyObj != null) {
            conn = (HttpURLConnection) url.openConnection(proxyObj);
        } else {
            conn = (HttpURLConnection) url.openConnection();
        }

        connectionSettings.ifPresent(settings -> settings.apply(conn));

        if (MethodType.POST.toString().equalsIgnoreCase(requestMethod)
                || MethodType.PUT.toString().equalsIgnoreCase(requestMethod)) {
            conn.setDoOutput(true);
        }

        conn.setDoInput(true);

        conn.setInstanceFollowRedirects(true);
        if (timeoutValue > 0) {
            LOG.debug("Setting connection timeout : " + timeoutValue);
            conn.setConnectTimeout(timeoutValue);
        }
        if (requestMethod != null) {
            conn.setRequestMethod(requestMethod);
        }
        if (header != null) {
            for (String key : header.keySet()) {
                conn.setRequestProperty(key, header.get(key));
            }
        }

        // If use POST or PUT must use this
        OutputStream os = null;
        if (body != null) {
            if (requestMethod != null && !MethodType.GET.toString().equals(requestMethod)
                    && !MethodType.DELETE.toString().equals(requestMethod)) {
                os = conn.getOutputStream();
                DataOutputStream out = new DataOutputStream(os);
                out.write(body.getBytes("UTF-8"));
                out.flush();
            }
        }
        conn.connect();
    } catch (Exception e) {
        throw new SocialAuthException(e);
    }
    return new Response(conn);

}

---

From source file:com.gson.util.HttpKit.java

/**
 * ?http?//  ww  w. j  a v a 2 s  .co m
 * @param url
 * @param method
 * @param headers
 * @return
 * @throws IOException
 */
private static HttpURLConnection initHttp(String url, String method, Map<String, String> headers)
        throws IOException {
    URL _url = new URL(url);
    HttpURLConnection http = (HttpURLConnection) _url.openConnection();
    // 
    http.setConnectTimeout(25000);
    // ? --??
    http.setReadTimeout(25000);
    http.setRequestMethod(method);
    http.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
    http.setRequestProperty("User-Agent",
            "Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/33.0.1750.146 Safari/537.36");
    if (null != headers && !headers.isEmpty()) {
        for (Entry<String, String> entry : headers.entrySet()) {
            http.setRequestProperty(entry.getKey(), entry.getValue());
        }
    }
    http.setDoOutput(true);
    http.setDoInput(true);
    http.connect();
    return http;
}

---

From source file:com.vmanolache.mqttpolling.Polling.java

private void sendPost() throws UnsupportedEncodingException, JSONException {
    try {/*from w ww  .ja va 2 s.  co  m*/
        String url = "http://localhost:8080/notifications";
        URL obj = new URL(url);
        HttpURLConnection con = (HttpURLConnection) obj.openConnection();

        HttpURLConnection connection = (HttpURLConnection) obj.openConnection();
        connection.setDoOutput(true);
        connection.setDoInput(true);
        connection.setRequestProperty("Content-Type", "application/json");
        connection.setRequestMethod("POST");

        /**
         * POSTing *
         */
        OutputStream os = connection.getOutputStream();
        BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(os, "UTF-8"));
        writer.write(getQuery()); // should be fine if my getQuery is encoded right yes?
        writer.flush();
        writer.close();
        os.close();
        connection.connect();

        int status = connection.getResponseCode();
        System.out.println(status);
    } catch (IOException ex) {
        Logger.getLogger(Polling.class.getName()).log(Level.SEVERE, null, ex);
    }
}

---

From source file:com.gsoc.ijosa.liquidgalaxycontroller.PW.collection.JsonObjectRequest.java

/**
 * Helper method to make an HTTP request.
 * @param urlConnection The HTTP connection.
 *///from  w ww. ja  va2 s . co  m
public void writeToUrlConnection(HttpURLConnection urlConnection) throws IOException {
    urlConnection.setDoOutput(true);
    urlConnection.setRequestProperty("Content-Type", "application/json");
    urlConnection.setRequestProperty("Accept", "application/json");
    urlConnection.setRequestMethod("POST");
    OutputStream os = urlConnection.getOutputStream();
    os.write(mJsonObject.toString().getBytes("UTF-8"));
    os.close();
}

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From source file:org.csware.ee.utils.Tools.java

public static String reqByPost(String path) {
    String info = "";
    try {//from www.  j a  v  a  2  s . c  o  m
        // URL
        URL url = new URL(path);
        // HttpURLConnection
        HttpURLConnection urlConn = (HttpURLConnection) url.openConnection();
        // ?Input?output?Cache
        urlConn.setDoInput(true);
        urlConn.setDoOutput(true);
        urlConn.setUseCaches(false);
        /** ?method=post */
        urlConn.setRequestMethod("POST");
        urlConn.setRequestProperty("Connection", "Keep-Alive");
        urlConn.setRequestProperty("Charset", "utf-8");
        InputStream in = urlConn.getInputStream();

        try {

            byte[] buffer = new byte[65536];
            ByteArrayOutputStream bos = new ByteArrayOutputStream();
            int readLength = in.read(buffer);
            long totalLength = 0;
            while (readLength >= 0) {
                bos.write(buffer, 0, readLength);
                totalLength = totalLength + readLength;
                readLength = in.read(buffer);

            }
            info = bos.toString();

        } finally {
            if (in != null)
                try {
                    in.close();
                } catch (Exception e) {
                    e.printStackTrace();
                }
        }
        // 
        urlConn.setConnectTimeout(5 * 1000);
        // 
        urlConn.connect();
    } catch (Exception ex) {
        ex.printStackTrace();
        return null;
    }
    return info.replaceAll("\r\n", " ");
}

---

From source file:com.selene.volley.stack.HurlStack.java

@SuppressWarnings("deprecation")
private 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);/*  w w w . j a  va2 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;
    case Method.HEAD:
        connection.setRequestMethod("HEAD");
        break;
    case Method.OPTIONS:
        connection.setRequestMethod("OPTIONS");
        break;
    case Method.TRACE:
        connection.setRequestMethod("TRACE");
        break;
    case Method.PATCH:
        connection.setRequestMethod("PATCH");
        addBodyIfExists(connection, request);
        break;
    default:
        throw new IllegalStateException("Unknown method type.");
    }
}

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From source file:javaapplication1.Prog.java

public void transferStuff(String obj, String user) throws MalformedURLException, IOException {

    URL object = new URL("http://localhost:8080/bankserver/users/" + user);
    HttpURLConnection con = (HttpURLConnection) object.openConnection();
    con.setDoOutput(true);
    con.setRequestProperty("Content-Type", "application/json");
    con.setRequestProperty("Accept", "application/json");
    con.setRequestMethod("PUT");
    OutputStreamWriter wr = new OutputStreamWriter(con.getOutputStream());
    wr.write(obj);/* w ww  . j ava  2 s.com*/
    wr.flush();
    wr.close();
    con.getInputStream();
}

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