Example usage for java.net HttpURLConnection getOutputStream

Introduction

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

Prototype

public OutputStream getOutputStream() throws IOException 

Source Link

Document

Returns an output stream that writes to this connection.

Usage

From source file:com.scut.easyfe.network.kjFrame.http.HttpConnectStack.java

/**
 * body/*from  w  w w.j  a v  a 2  s  .c  o m*/
 */
private static void addBodyIfExists(HttpURLConnection connection, Request<?> request) throws IOException {
    byte[] body = request.getBody();
    if (body != null) {
        connection.setDoOutput(true);
        connection.addRequestProperty(HEADER_CONTENT_TYPE, request.getBodyContentType());
        DataOutputStream out = new DataOutputStream(connection.getOutputStream());
        out.write(body);
        out.close();
    }
}

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From source file:connector.ISConnector.java

public static JSONObject processRequest(String servlet, byte[] query) {
    JSONObject response = null;//from  w w  w . j a va  2  s.c  o  m
    if (servlet != null && !servlet.startsWith("/"))
        servlet = "/" + servlet;
    try {
        // Establish HTTP connection with Identity Service
        URL url = new URL(CONTEXT_PATH + servlet);
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        conn.setRequestMethod("POST");
        conn.setDoOutput(true);
        conn.setDoInput(true);
        conn.setUseCaches(false);
        conn.setAllowUserInteraction(false);
        conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");

        //Create the form content
        try (OutputStream out = conn.getOutputStream()) {
            out.write(query);
            out.close();
        }

        // Buffer the result into a string
        BufferedReader rd = new BufferedReader(new InputStreamReader(conn.getInputStream()));
        StringBuilder sb = new StringBuilder();
        String line;
        while ((line = rd.readLine()) != null) {
            sb.append(line);
        }

        rd.close();
        conn.disconnect();
        response = (JSONObject) new JSONParser().parse(sb.toString());

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

    return response;
}

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

private static void addBodyIfExists(HttpURLConnection connection, Request<?> request)
        throws IOException, AuthFailureError {
    byte[] body = request.getBody();
    if (body != null) {
        connection.setDoOutput(true);//from   w ww.j av  a 2 s.com
        connection.addRequestProperty(HTTP.CONTENT_TYPE, request.getBodyContentType());
        DataOutputStream out = new DataOutputStream(connection.getOutputStream());
        out.write(body);
        out.close();
    }
}

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From source file:Main.java

/**
 * Issue a POST request to the server.// ww w.ja va 2 s .  co  m
 *
 * @param endpoint
 *            POST address.
 * @param params
 *            request parameters.
 *
 * @throws IOException
 *             propagated from POST.
 */
public static String post_t(String endpoint, Map<String, Object> params, String contentType)
        throws IOException {
    URL url;
    try {
        url = new URL(endpoint);
    } catch (MalformedURLException e) {
        throw new IllegalArgumentException("invalid url: " + endpoint);
    }
    StringBuilder bodyBuilder = new StringBuilder();
    Iterator<Entry<String, Object>> iterator = params.entrySet().iterator();
    // constructs the POST body using the parameters
    while (iterator.hasNext()) {
        Entry<String, Object> param = iterator.next();
        bodyBuilder.append(param.getKey()).append('=').append(param.getValue());
        if (iterator.hasNext()) {
            bodyBuilder.append('&');
        }
    }
    String body = bodyBuilder.toString();
    byte[] bytes = body.getBytes();
    HttpURLConnection conn = null;
    try {
        conn = (HttpURLConnection) url.openConnection();
        conn.setDoOutput(true);
        conn.setUseCaches(false);
        conn.setFixedLengthStreamingMode(bytes.length);
        conn.setRequestMethod("POST");
        conn.setRequestProperty("Content-Type", contentType);
        // post the request
        OutputStream out = conn.getOutputStream();
        out.write(bytes);
        out.close();
        // handle the response
        int status = conn.getResponseCode();
        if (status != 200) {
            throw new IOException("Post failed with error code " + status);
        }

        // Get Response
        InputStream is = conn.getInputStream();
        BufferedReader rd = new BufferedReader(new InputStreamReader(is));
        String line;
        StringBuffer response = new StringBuffer();
        while ((line = rd.readLine()) != null) {
            response.append(line);
            response.append('\n');
        }
        rd.close();
        return response.toString();

    } finally {
        if (conn != null) {
            conn.disconnect();
        }
    }
}

---

From source file:net.maxgigapop.mrs.driver.openstack.OpenStackRESTClient.java

private static String sendPOST(URL url, HttpURLConnection con, String body) throws IOException {

    con.setRequestMethod("POST");
    con.setRequestProperty("Content-type", "application/json");
    con.setRequestProperty("Accept", "application/json");

    con.setDoOutput(true);//from   ww  w .j a  va 2s .co  m
    DataOutputStream wr = new DataOutputStream(con.getOutputStream());
    wr.writeBytes(body);
    wr.flush();
    wr.close();

    logger.log(Level.INFO, "Sending POST request to URL : {0}", url);
    int responseCode = con.getResponseCode();
    logger.log(Level.INFO, "Response Code : {0}", responseCode);

    BufferedReader in = new BufferedReader(new InputStreamReader(con.getInputStream()));
    String inputLine;
    StringBuilder responseStr = new StringBuilder();

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

    return responseStr.toString();

}

---

From source file:cc.vileda.sipgatesync.api.SipgateApi.java

public static String getToken(final String username, final String password) {
    try {//from   w  w  w  . java2  s.c  o m
        final HttpURLConnection urlConnection = getConnection("/authorization/token");
        urlConnection.setDoInput(true);
        urlConnection.setDoOutput(true);
        urlConnection.setRequestMethod("POST");
        JSONObject request = new JSONObject();
        request.put("username", username);
        request.put("password", password);
        OutputStreamWriter wr = new OutputStreamWriter(urlConnection.getOutputStream());
        Log.d("SipgateApi", request.getString("username"));
        wr.write(request.toString());
        wr.flush();
        StringBuilder sb = new StringBuilder();
        int HttpResult = urlConnection.getResponseCode();
        if (HttpResult == HttpURLConnection.HTTP_OK) {
            BufferedReader br = new BufferedReader(
                    new InputStreamReader(urlConnection.getInputStream(), "utf-8"));
            String line;
            while ((line = br.readLine()) != null) {
                sb.append(line).append("\n");
            }
            br.close();
            Log.d("SipgateApi", "" + sb.toString());
            final JSONObject response = new JSONObject(sb.toString());
            return response.getString("token");
        } else {
            System.out.println(urlConnection.getResponseMessage());
        }
    } catch (Exception e) {
        e.printStackTrace();
    }

    return null;
}

---

From source file:com.memetix.gun4j.GunshortenAPI.java

protected static JSONObject post(final String serviceUrl, final String paramsString) throws Exception {
    final URL url = new URL(serviceUrl);
    final HttpURLConnection uc = (HttpURLConnection) url.openConnection();
    if (referrer != null)
        uc.setRequestProperty("referer", referrer);

    uc.setRequestProperty("Content-Type", "application/x-www-form-urlencoded; charset=" + ENCODING);
    uc.setRequestProperty("Accept-Charset", ENCODING);
    uc.setRequestMethod("POST");
    uc.setDoOutput(true);/*from   www.ja v  a 2 s.  co  m*/

    final PrintWriter pw = new PrintWriter(uc.getOutputStream());
    pw.write(paramsString);
    pw.close();
    uc.getOutputStream().close();

    try {
        final int responseCode = uc.getResponseCode();
        final String result = inputStreamToString(uc.getInputStream());
        if (responseCode != 200) {
            throw new Exception("Error from Gunshorten API: " + result);
        }
        return parseJSON(result);
    } finally {
        uc.getInputStream().close();
        if (uc.getErrorStream() != null) {
            uc.getErrorStream().close();
        }
    }
}

---

From source file:com.zf.util.Post_NetNew.java

public static String pn(Map<String, String> pams) throws Exception {
    if (null == pams) {
        return "";
    }//from ww w  .  ja v  a2  s . co m
    String strtmp = "url";
    URL url = new URL(pams.get(strtmp));
    pams.remove(strtmp);
    strtmp = "body";
    String body = pams.get(strtmp);
    pams.remove(strtmp);
    strtmp = "POST";
    if (StringUtils.isEmpty(body))
        strtmp = "GET";
    HttpURLConnection httpConn = (HttpURLConnection) url.openConnection();
    httpConn.setUseCaches(false);
    httpConn.setRequestMethod(strtmp);
    for (String pam : pams.keySet()) {
        httpConn.setRequestProperty(pam, pams.get(pam));
    }
    if ("POST".equals(strtmp)) {
        httpConn.setDoOutput(true);
        httpConn.setDoInput(true);
        DataOutputStream dos = new DataOutputStream(httpConn.getOutputStream());
        dos.writeBytes(body);
        dos.flush();
    }
    int resultCode = httpConn.getResponseCode();
    StringBuilder sb = new StringBuilder();
    sb.append(resultCode).append("\n");
    String readLine;
    InputStream stream;
    try {
        stream = httpConn.getInputStream();
    } catch (Exception ignored) {
        stream = httpConn.getErrorStream();
    }
    try {
        BufferedReader responseReader = new BufferedReader(new InputStreamReader(stream, "UTF-8"));
        while ((readLine = responseReader.readLine()) != null) {
            sb.append(readLine).append("\n");
        }
    } catch (Exception ignored) {
    }

    return sb.toString();
}

---

From source file:Main.java

static byte[] httpRequest(String url, byte[] requestBytes, int connectionTimeOutMs, int readTimeOutMs) {
    byte[] bArr = null;
    if (!(url == null || requestBytes == null)) {
        InputStream inputStream = null;
        HttpURLConnection urlConnection = null;
        try {//ww w  .j av  a 2 s  .  co  m
            urlConnection = (HttpURLConnection) new URL(url).openConnection();
            urlConnection.setDoOutput(true);
            urlConnection.setConnectTimeout(connectionTimeOutMs);
            urlConnection.setReadTimeout(readTimeOutMs);
            urlConnection.setFixedLengthStreamingMode(requestBytes.length);
            OutputStream outputStream = urlConnection.getOutputStream();
            outputStream.write(requestBytes);
            outputStream.close();
            if (urlConnection.getResponseCode() != 200) {
                if (inputStream != null) {
                    try {
                        inputStream.close();
                    } catch (IOException e) {
                    }
                }
                if (urlConnection != null) {
                    urlConnection.disconnect();
                }
            } else {
                inputStream = urlConnection.getInputStream();
                ByteArrayOutputStream result = new ByteArrayOutputStream();
                byte[] buffer = new byte[16384];
                while (true) {
                    int chunkSize = inputStream.read(buffer);
                    if (chunkSize < 0) {
                        break;
                    } else if (chunkSize > 0) {
                        result.write(buffer, 0, chunkSize);
                    }
                }
                bArr = result.toByteArray();
                if (inputStream != null) {
                    try {
                        inputStream.close();
                    } catch (IOException e2) {
                    }
                }
                if (urlConnection != null) {
                    urlConnection.disconnect();
                }
            }
        } catch (IOException e3) {
            if (inputStream != null) {
                try {
                    inputStream.close();
                } catch (IOException e4) {
                }
            }
            if (urlConnection != null) {
                urlConnection.disconnect();
            }
        } catch (Throwable th) {
            if (inputStream != null) {
                try {
                    inputStream.close();
                } catch (IOException e5) {
                }
            }
            if (urlConnection != null) {
                urlConnection.disconnect();
            }
        }
    }
    return bArr;
}

---

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

/**
 * @description //  w  ww  .j  a  va2 s . c  o  m
 * ??: POST 
 * @return       : 
 * @throws IOException 
 * @throws NoSuchProviderException 
 * @throws NoSuchAlgorithmException 
 * @throws KeyManagementException 
 */
public static String post(String url, String params)
        throws KeyManagementException, NoSuchAlgorithmException, NoSuchProviderException, IOException {
    HttpURLConnection http = null;
    if (isHttps(url)) {
        http = initHttps(url, _POST, null);
    } else {
        http = initHttp(url, _POST, null);
    }
    OutputStream out = http.getOutputStream();
    out.write(params.getBytes(DEFAULT_CHARSET));
    out.flush();
    out.close();

    InputStream in = http.getInputStream();
    BufferedReader read = new BufferedReader(new InputStreamReader(in, DEFAULT_CHARSET));
    String valueString = null;
    StringBuffer bufferRes = new StringBuffer();
    while ((valueString = read.readLine()) != null) {
        bufferRes.append(valueString);
    }
    in.close();
    if (http != null) {
        http.disconnect();// 
    }
    return bufferRes.toString();
}

---

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