Example usage for java.net HttpURLConnection setRequestProperty

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 getPosthtml(String posturl, String postData, String encode) {

    String html = "";
    URL url;// w w  w .  j  a v  a  2s  .  c o m
    try {
        url = new URL(posturl);
        HttpURLConnection connection = (HttpURLConnection) url.openConnection();

        connection.setRequestMethod("POST");
        connection.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
        connection.setRequestProperty("User-Agent", userAgent);

        String postDataStr = postData;
        byte[] bytes = postDataStr.getBytes("utf-8");
        connection.setRequestProperty("Content-Length", "" + bytes.length);
        connection.setRequestProperty("Connection", "Keep-Alive");
        connection.setRequestProperty("Cache-Control", "no-cache");
        connection.setDoOutput(true);
        connection.setReadTimeout(timeout);
        connection.setFollowRedirects(true);
        connection.connect();
        OutputStream outStrm = connection.getOutputStream();
        outStrm.write(bytes);
        outStrm.flush();
        outStrm.close();
        InputStream inStrm = connection.getInputStream();

        BufferedReader br = new BufferedReader(new InputStreamReader(inStrm, encode));

        String temp = "";
        while ((temp = br.readLine()) != null) {
            html += (temp + '\n');
        }
        br.close();
        connection.disconnect();

    } catch (Exception e) {
        e.printStackTrace();
    }
    return html;

}

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From source file:Main.java

public static void setUpConnection(HttpURLConnection connection, String method) {
    try {//from  w  w  w  .  j a  v a2  s  .  c om
        connection.setRequestMethod(method);
        connection.setDoInput(true);
        connection.setDoOutput(true);
        connection.setRequestProperty("Content-Type", "application/json");
    } catch (ProtocolException e) {
        e.printStackTrace();
    }

}

---

From source file:Main.java

/**
 * Uses http to post an XML String to a URL.
 *
 * @param url/*w w w.j a  va2 s  .c  om*/
 * @param xmlString
 * @param return
 * @throws IOException
 * @throws UnknownHostException
 */
public static HttpURLConnection post(String url, String xmlString) throws IOException, UnknownHostException {

    // open connection
    URL urlObject = new URL(url);
    HttpURLConnection connection = (HttpURLConnection) urlObject.openConnection();
    connection.setRequestMethod("POST");
    connection.setRequestProperty("Content-Type", "text/xml; charset=\"utf-8\"");
    connection.setDoOutput(true);

    OutputStreamWriter outStream = new OutputStreamWriter(connection.getOutputStream(), "UTF-8");
    outStream.write(xmlString);
    outStream.close();

    return connection;
}

---

From source file:Main.java

public static String jsonGetRequest(String urlQueryString) {
    String json = null;/*  w  w w  . jav a 2  s  .  co  m*/
    try {
        URL url = new URL(urlQueryString);
        HttpURLConnection connection = (HttpURLConnection) url.openConnection();
        connection.setDoOutput(true);
        connection.setInstanceFollowRedirects(false);
        connection.setRequestMethod("GET");
        connection.setRequestProperty("Content-Type", "application/json");
        connection.setRequestProperty("charset", "utf-8");
        connection.connect();
        InputStream inStream = connection.getInputStream();
        json = streamToString(inStream); // input stream to string
    } catch (IOException ex) {
        ex.printStackTrace();
    }
    return json;
}

---

From source file:com.francelabs.datafari.utils.SendHttpRequest.java

public static void sendGET(String url, String userAgent) throws IOException {
    URL obj = new URL(url);
    HttpURLConnection con = (HttpURLConnection) obj.openConnection();
    con.setRequestMethod("GET");
    con.setRequestProperty("User-Agent", userAgent);
    int responseCode = con.getResponseCode();
    logger.debug("GET Response Code :: " + responseCode);
    if (responseCode == HttpURLConnection.HTTP_OK) { // success
        BufferedReader in = new BufferedReader(new InputStreamReader(con.getInputStream()));
        String inputLine;/*  w w w. j a v a2s.com*/
        StringBuffer response = new StringBuffer();

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

        // print result
        logger.debug(response.toString());
    } else {
        logger.debug("GET request not worked");
    }
}

---

From source file:Authentication.DinserverAuth.java

public static boolean Login(String nick, String pass, Socket socket) throws IOException {
    boolean logged = false;

    JSONObject authRequest = new JSONObject();
    authRequest.put("username", nick);
    authRequest.put("auth_id", pass);

    String query = "http://127.0.0.1:5000/token";

    URL url = new URL(query);
    HttpURLConnection conn = (HttpURLConnection) url.openConnection();
    conn.setConnectTimeout(5000);//  w w w  .  j  av  a  2s  .  c om
    conn.setRequestProperty("Content-Type", "application/json; charset=UTF-8");
    conn.setDoOutput(true);
    conn.setDoInput(true);
    conn.setRequestMethod("POST");

    OutputStream os = conn.getOutputStream();
    os.write(authRequest.toString().getBytes(Charset.forName("UTF-8")));
    os.close();
    String output = new String();
    StringBuilder sb = new StringBuilder();
    int HttpResult = conn.getResponseCode();
    if (HttpResult == HttpURLConnection.HTTP_OK) {
        output = IOUtils.toString(new InputStreamReader(conn.getInputStream(), Charset.forName("UTF-8")));
    } else {
        System.out.println(conn.getResponseMessage());
    }

    JSONObject jsonObject = new JSONObject(output);
    logged = jsonObject.getBoolean("ok");

    conn.disconnect();

    if (logged) {
        if (DinserverMaster.addUser(nick, socket)) {
            System.out.println("User " + nick + " logged in");
        } else {
            logged = false;
        }
    }
    return logged;
}

---

From source file:me.prokopyl.commandtools.migration.UUIDFetcher.java

private static HttpURLConnection createConnection() throws IOException {
    URL url = new URL(PROFILE_URL);
    HttpURLConnection connection = (HttpURLConnection) url.openConnection();
    connection.setRequestMethod("POST");
    connection.setRequestProperty("Content-Type", "application/json");
    connection.setUseCaches(false);//from   w w w . jav a 2 s  .  c om
    connection.setDoInput(true);
    connection.setDoOutput(true);
    return connection;
}

---

From source file:com.mopaas_mobile.http.BaseHttpRequester.java

public static String doGETwithHeader(String urlstr, String token, List<BasicNameValuePair> params)
        throws IOException {
    String result = null;//from   w ww .j ava 2  s  .  c  o m
    String content = "";
    for (int i = 0; i < params.size(); i++) {
        content = content + "&" + URLEncoder.encode(((NameValuePair) params.get(i)).getName(), "UTF-8") + "="
                + URLEncoder.encode(((NameValuePair) params.get(i)).getValue(), "UTF-8");
    }
    URL url = new URL(urlstr + "?" + content.substring(1));
    HttpURLConnection connection = (HttpURLConnection) url.openConnection();
    connection.setRequestProperty("token", token);
    connection.setDoInput(true);
    connection.setRequestMethod("GET");
    connection.setUseCaches(false);
    connection.connect();
    InputStream is = connection.getInputStream();
    BufferedReader br = new BufferedReader(new InputStreamReader(is, "UTF-8"));

    StringBuffer b = new StringBuffer();
    int ch;
    while ((ch = br.read()) != -1) {
        b.append((char) ch);
    }
    result = b.toString().trim();
    connection.disconnect();
    return result;
}

---

From source file:com.fastbootmobile.encore.api.common.HttpGet.java

/**
 * Downloads the data from the provided URL.
 * @param inUrl The URL to get from/*w ww .  java 2  s.com*/
 * @param query The query field. '?' + query will be appended automatically, and the query data
 *              MUST be encoded properly.
 * @return A byte array of the data
 */
public static byte[] getBytes(String inUrl, String query, boolean cached)
        throws IOException, RateLimitException {
    final String formattedUrl = inUrl + (query.isEmpty() ? "" : ("?" + query));

    Log.d(TAG, "Formatted URL: " + formattedUrl);

    URL url = new URL(formattedUrl);
    HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection();
    urlConnection.setRequestProperty("User-Agent", "OmniMusic/1.0-dev (http://www.omnirom.org)");
    urlConnection.setUseCaches(cached);
    urlConnection.setInstanceFollowRedirects(true);
    int maxStale = 60 * 60 * 24 * 28; // tolerate 4-weeks stale
    urlConnection.addRequestProperty("Cache-Control", "max-stale=" + maxStale);
    try {
        final int status = urlConnection.getResponseCode();
        // MusicBrainz returns 503 Unavailable on rate limit errors. Parse the JSON anyway.
        if (status == HttpURLConnection.HTTP_OK) {
            InputStream in = new BufferedInputStream(urlConnection.getInputStream());
            int contentLength = urlConnection.getContentLength();
            if (contentLength <= 0) {
                // No length? Let's allocate 100KB.
                contentLength = 100 * 1024;
            }
            ByteArrayBuffer bab = new ByteArrayBuffer(contentLength);
            BufferedInputStream bis = new BufferedInputStream(in);
            int character;

            while ((character = bis.read()) != -1) {
                bab.append(character);
            }
            return bab.toByteArray();
        } else if (status == HttpURLConnection.HTTP_NOT_FOUND) {
            // 404
            return new byte[] {};
        } else if (status == HttpURLConnection.HTTP_FORBIDDEN) {
            return new byte[] {};
        } else if (status == HttpURLConnection.HTTP_UNAVAILABLE) {
            throw new RateLimitException();
        } else if (status == HttpURLConnection.HTTP_MOVED_TEMP || status == HttpURLConnection.HTTP_MOVED_PERM
                || status == 307 /* HTTP/1.1 TEMPORARY REDIRECT */
                || status == HttpURLConnection.HTTP_SEE_OTHER) {
            // We've been redirected, follow the new URL
            final String followUrl = urlConnection.getHeaderField("Location");
            Log.e(TAG, "Redirected to: " + followUrl);
            return getBytes(followUrl, "", cached);
        } else {
            Log.e(TAG, "Error when fetching: " + formattedUrl + " (" + urlConnection.getResponseCode() + ")");
            return new byte[] {};
        }
    } finally {
        urlConnection.disconnect();
    }
}

---

From source file:Main.java

public static boolean deleteRequest(String query) {
    HttpURLConnection connection = null;
    try {//  w  ww  .  j  a v a2 s  .  co m
        connection = (HttpURLConnection) new URL(url + query).openConnection();
        connection.setRequestMethod("DELETE");
        connection.setRequestProperty("Accept-Charset", charset);

        statusCode = connection.getResponseCode();
        if (statusCode != 200) {
            return false;
        }
    } catch (IOException e) {
        e.printStackTrace();
    }
    return true;
}

---

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