Example usage for java.io DataOutputStream flush

Introduction

In this page you can find the example usage for java.io DataOutputStream flush.

Prototype

public void flush() throws IOException 

Source Link

Document

Flushes this data output stream.

Usage

From source file:fr.Axeldu18.PterodactylAPI.Methods.POSTMethods.java

public String call(String methodURL, String data) {
    try {//from   w w  w.  j  a v a  2  s.c  om
        URL url = new URL(methodURL);
        HttpURLConnection connection = (HttpURLConnection) url.openConnection();
        String hmac = main.getPublicKey() + "." + main.hmac(methodURL + data);
        System.out.println("DEBUG CALL: " + methodURL);
        System.out.println("DEBUG CALL2: " + methodURL + data);
        System.out.println("DEBUG CALL3: " + hmac);

        connection.setRequestMethod("POST");
        connection.setRequestProperty("User-Agent", "Pterodactyl Java-API");
        connection.setRequestProperty("Authorization", "Bearer " + hmac.replaceAll("\n", ""));
        connection.setRequestProperty("Content-Type", "application/json");
        connection.setDoOutput(true);

        DataOutputStream wr = new DataOutputStream(connection.getOutputStream());
        wr.writeBytes(data);
        wr.flush();
        wr.close();

        int responseCode = connection.getResponseCode();
        if (responseCode == HttpURLConnection.HTTP_OK) {
            return main.readResponse(connection.getInputStream()).toString();
        } else {
            return main.readResponse(connection.getErrorStream()).toString();
        }
    } catch (Exception e) {
        main.log(Level.SEVERE, e.getMessage());
        e.printStackTrace();
        return null;
    }
}

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From source file:org.openxdata.server.servlet.WMDownloadServlet.java

private void downloadForms(HttpServletResponse response, int studyId) throws Exception {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    DataOutputStream dos = new DataOutputStream(baos);
    formDownloadService.downloadForms(studyId, dos, "", "");
    baos.flush();/*from ww w  .  jav  a2s  .c o  m*/
    dos.flush();
    byte[] data = baos.toByteArray();
    baos.close();
    dos.close();
    DataInputStream dis = new DataInputStream(new ByteArrayInputStream(data));

    PrintWriter out = response.getWriter();
    out.println("<study>");

    try {
        dis.readByte(); //reads the size of the studies

        while (true) {
            String value = dis.readUTF();
            out.println("<form>" + value + "</form>");
        }
    } catch (EOFException exe) {
        //exe.printStackTrace();
    }

    out.println("</study>");
    out.flush();
    dis.close();
}

---

From source file:com.nicolacimmino.expensestracker.tracker.expenses_api.ExpensesApiRequest.java

public boolean performRequest() {

    jsonResponseArray = null;//from  www .  j  ava 2 s. com
    jsonResponseObject = null;

    HttpURLConnection connection = null;

    try {

        // Get the request JSON document as U*TF-8 encoded bytes, suitable for HTTP.
        mRequestData = ((mRequestData != null) ? mRequestData : new JSONObject());
        byte[] postDataBytes = mRequestData.toString(0).getBytes("UTF-8");

        URL url = new URL(mUrl);
        connection = (HttpURLConnection) url.openConnection();
        connection.setDoOutput(mRequestMethod == "GET" ? false : true); // No body data for GET
        connection.setDoInput(true);
        connection.setInstanceFollowRedirects(true);
        connection.setRequestMethod(mRequestMethod);
        connection.setUseCaches(false);

        // For all methods except GET we need to include data in the body.
        if (mRequestMethod != "GET") {
            connection.setRequestProperty("Content-Type", "application/json");
            connection.setRequestProperty("charset", "utf-8");
            connection.setRequestProperty("Content-Length", "" + Integer.toString(postDataBytes.length));

            DataOutputStream wr = new DataOutputStream(connection.getOutputStream());
            wr.write(postDataBytes);
            wr.flush();
            wr.close();
        }

        if (connection.getResponseCode() == 200) {
            InputStreamReader in = new InputStreamReader((InputStream) connection.getContent());
            BufferedReader buff = new BufferedReader(in);
            String line = buff.readLine().toString();
            buff.close();
            Object json = new JSONTokener(line).nextValue();
            if (json.getClass() == JSONObject.class) {
                jsonResponseObject = (JSONObject) json;
            } else if (json.getClass() == JSONArray.class) {
                jsonResponseArray = (JSONArray) json;
            } // else members will be left to null indicating no valid response.
            return true;
        }

    } catch (MalformedURLException e) {
        Log.e(TAG, e.getMessage());
    } catch (IOException e) {
        Log.e(TAG, e.getMessage());
    } catch (JSONException e) {
        Log.e(TAG, e.getMessage());
    } finally {
        if (connection != null) {
            connection.disconnect();
        }
    }

    return false;
}

---

From source file:com.sabre.hack.travelachievementgame.DSCommHandler.java

public String getAuthToken(String apiEndPoint, String encodedCliAndSecret) {

    //receives : apiEndPoint (https://api.test.sabre.com)
    //encodedCliAndSecret : base64Encode(  base64Encode(V1:[user]:[group]:[domain]) + ":" + base64Encode([secret]) )
    String strRet = null;/*w w w . j a  v  a  2  s .  c o m*/

    try {

        URL urlConn = new URL(apiEndPoint + "/v1/auth/token");
        URLConnection conn = urlConn.openConnection();

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

        conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
        conn.setRequestProperty("Authorization", "Basic " + encodedCliAndSecret);
        conn.setRequestProperty("Accept", "application/json");

        //send request
        DataOutputStream dataOut = new DataOutputStream(conn.getOutputStream());
        dataOut.writeBytes("grant_type=client_credentials");
        dataOut.flush();
        dataOut.close();

        //get response
        BufferedReader rd = new BufferedReader(new InputStreamReader(conn.getInputStream()));
        String strChunk = "";
        StringBuilder sb = new StringBuilder();
        while (null != ((strChunk = rd.readLine())))
            sb.append(strChunk);

        //parse the token
        JSONObject respParser = new JSONObject(sb.toString());
        strRet = respParser.getString("access_token");

    } catch (MalformedURLException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } catch (JSONException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }

    return strRet;

}

---

From source file:edu.uci.ics.pregelix.example.util.TestCluster.java

private void startHDFS() throws IOException {
    conf.addResource(new Path(PATH_TO_HADOOP_CONF + "/core-site.xml"));
    conf.addResource(new Path(PATH_TO_HADOOP_CONF + "/mapred-site.xml"));
    conf.addResource(new Path(PATH_TO_HADOOP_CONF + "/hdfs-site.xml"));
    FileSystem lfs = FileSystem.getLocal(new Configuration());
    lfs.delete(new Path("build"), true);
    System.setProperty("hadoop.log.dir", "logs");
    dfsCluster = new MiniDFSCluster(conf, numberOfNC, true, null);
    FileSystem dfs = FileSystem.get(conf);
    Path src = new Path(DATA_PATH);
    Path dest = new Path(HDFS_PATH);
    dfs.mkdirs(dest);//from w  ww  .  ja v  a 2s. co m
    dfs.copyFromLocalFile(src, dest);

    src = new Path(DATA_PATH2);
    dest = new Path(HDFS_PATH2);
    dfs.mkdirs(dest);
    dfs.copyFromLocalFile(src, dest);

    src = new Path(DATA_PATH3);
    dest = new Path(HDFS_PATH3);
    dfs.mkdirs(dest);
    dfs.copyFromLocalFile(src, dest);

    src = new Path(DATA_PATH4);
    dest = new Path(HDFS_PATH4);
    dfs.mkdirs(dest);
    dfs.copyFromLocalFile(src, dest);

    src = new Path(DATA_PATH5);
    dest = new Path(HDFS_PATH5);
    dfs.mkdirs(dest);
    dfs.copyFromLocalFile(src, dest);

    DataOutputStream confOutput = new DataOutputStream(new FileOutputStream(new File(HADOOP_CONF_PATH)));
    conf.writeXml(confOutput);
    confOutput.flush();
    confOutput.close();
}

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From source file:TaxSvc.TaxSvc.java

public CancelTaxResult CancelTax(CancelTaxRequest req) {

    //Create URL/* w  ww.j  a  v a2s.  c  om*/
    String taxget = svcURL + "/1.0/tax/cancel";
    URL url;
    HttpURLConnection conn;
    try {
        //Connect to URL with authorization header, request content.
        url = new URL(taxget);
        conn = (HttpURLConnection) url.openConnection();
        conn.setRequestMethod("POST");
        conn.setDoOutput(true);
        conn.setDoInput(true);
        conn.setUseCaches(false);
        conn.setAllowUserInteraction(false);

        String encoded = "Basic " + new String(Base64.encodeBase64((accountNum + ":" + license).getBytes())); //Create auth content
        conn.setRequestProperty("Authorization", encoded); //Add authorization header
        conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");

        ObjectMapper mapper = new ObjectMapper();
        mapper.setSerializationInclusion(Include.NON_NULL); //Tells the serializer to only include those parameters that are not null
        String content = mapper.writeValueAsString(req);
        //System.out.println(content);         //Uncomment to see the content of the request object
        conn.setRequestProperty("Content-Length", Integer.toString(content.length()));

        DataOutputStream wr = new DataOutputStream(conn.getOutputStream());
        wr.writeBytes(content);
        wr.flush();
        wr.close();

        conn.disconnect();

        if (conn.getResponseCode() != 200) //Note: tax/cancel will return a 200 response even if the document could not be cancelled. Special attention needs to be paid to the ResultCode.
        { //If we got a more serious error, print out the error message.
            CancelTaxResult res = mapper.readValue(conn.getErrorStream(), CancelTaxResult.class); //Deserialize response
            return res;
        } else {
            mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
            CancelTaxResponse res = mapper.readValue(conn.getInputStream(), CancelTaxResponse.class); //Deserialize response
            return res.CancelTaxResult;
        }

    } catch (IOException e) {
        e.printStackTrace();
        return null;

    }
}

---

From source file:com.phearom.um.model.RemoteJSONSource.java

private JSONObject sendPost(String urlString) throws Exception {
    URL url = new URL(urlString);
    HttpURLConnection con = (HttpURLConnection) url.openConnection();

    //add reuqest header
    con.setRequestMethod("POST");
    con.setRequestProperty("User-Agent", "Mozilla/5.0");
    con.setRequestProperty("Accept-Language", "en-US,en;q=0.5");

    Map<String, String> params = new HashMap<>();
    params.put("limit", "25");
    params.put("offset", "0");

    String parameter = params.toString().replace(",", "&");

    // Send post request
    con.setDoOutput(true);//w  w w . j a va 2  s  .co  m
    DataOutputStream wr = new DataOutputStream(con.getOutputStream());
    wr.writeBytes(parameter);
    wr.flush();
    wr.close();

    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 new JSONObject(response.toString());
}

---

From source file:com.QuarkLabs.BTCeClientJavaFX.networking.AuthRequest.java

public JSONObject makeRequest(String method, Map<String, String> arguments)
        throws UnsupportedEncodingException {
    if (method == null) {
        return null;
    }// w ww. java  2  s  .  c om
    if (arguments == null) {
        arguments = new HashMap<>();
    }
    arguments.put("method", method);
    arguments.put("nonce", "" + ++nonce);
    String postData = "";
    for (Iterator it = arguments.entrySet().iterator(); it.hasNext();) {
        Map.Entry<String, String> ent = (Map.Entry<String, String>) it.next();
        if (postData.length() > 0) {
            postData += "&";
        }
        postData += ent.getKey() + "=" + ent.getValue();
    }
    try {
        _key = new SecretKeySpec(secret.getBytes("UTF-8"), "HmacSHA512");
    } catch (UnsupportedEncodingException uee) {
        System.err.println("Unsupported encoding exception: " + uee.toString());
        return null;
    }

    try {
        mac = Mac.getInstance("HmacSHA512");
    } catch (NoSuchAlgorithmException nsae) {
        System.err.println("No such algorithm exception: " + nsae.toString());
        return null;
    }

    try {
        mac.init(_key);
    } catch (InvalidKeyException ike) {
        System.err.println("Invalid key exception: " + ike.toString());
        return null;
    }
    StringBuilder out = new StringBuilder();
    try {
        HttpURLConnection urlConnection = (HttpURLConnection) (new URL(TRADE_API_URL)).openConnection();
        urlConnection.setRequestMethod("POST");
        urlConnection.setRequestProperty("Content-type", "application/x-www-form-urlencoded");
        urlConnection.setRequestProperty("Key", key);
        String sign = byteArrayToHexString(mac.doFinal(postData.getBytes("UTF-8")));
        urlConnection.setRequestProperty("Sign", sign);
        urlConnection.setDoOutput(true);
        DataOutputStream wr = new DataOutputStream(urlConnection.getOutputStream());
        wr.writeBytes(postData);
        wr.flush();
        wr.close();
        if (urlConnection.getResponseCode() == 200) {
            BufferedReader rd = new BufferedReader(new InputStreamReader(urlConnection.getInputStream()));
            String line;

            while ((line = rd.readLine()) != null) {
                out.append(line);
            }
            rd.close();
        }
    } catch (IOException e) {
        e.printStackTrace();
    }

    return new JSONObject(out.toString());
}

---

From source file:TaxSvc.TaxSvc.java

public GetTaxResult GetTax(GetTaxRequest req) {

    //Create URL/* ww  w .ja va2s .c  om*/
    String taxget = svcURL + "/1.0/tax/get";
    URL url;

    HttpURLConnection conn;
    try {
        //Connect to URL with authorization header, request content.
        url = new URL(taxget);
        conn = (HttpURLConnection) url.openConnection();
        conn.setRequestMethod("POST");
        conn.setDoOutput(true);
        conn.setDoInput(true);
        conn.setUseCaches(false);
        conn.setAllowUserInteraction(false);

        String encoded = "Basic " + new String(Base64.encodeBase64((accountNum + ":" + license).getBytes())); //Create auth content
        conn.setRequestProperty("Authorization", encoded); //Add authorization header
        conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");

        ObjectMapper mapper = new ObjectMapper();
        mapper.setSerializationInclusion(Include.NON_NULL); //Tells the serializer to only include those parameters that are not null
        String content = mapper.writeValueAsString(req);
        //System.out.println(content);   //Uncomment to see the content of the request object
        conn.setRequestProperty("Content-Length", Integer.toString(content.length()));

        DataOutputStream wr = new DataOutputStream(conn.getOutputStream());
        wr.writeBytes(content);
        wr.flush();
        wr.close();

        conn.disconnect();

        if (conn.getResponseCode() != 200) //If we didn't get a success back, print out the error.
        {
            GetTaxResult res = mapper.readValue(conn.getErrorStream(), GetTaxResult.class); //Deserializes the response
            return res;
        }

        else //Otherwise, print out the total tax calculated
        {
            mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
            GetTaxResult res = mapper.readValue(conn.getInputStream(), GetTaxResult.class); //Deserializes the response
            return res;
        }

    } catch (IOException e) {
        e.printStackTrace();
        return null;

    }
}

---

From source file:org.jongo.mocks.JongoClient.java

private JongoResponse doRequest(final String url, final List<NameValuePair> parameters) {
    final String urlParameters = URLEncodedUtils.format(parameters, "UTF-8");
    JongoResponse response = null;/*from  w w w .j a  v  a  2 s  .  c  o  m*/

    try {
        HttpURLConnection con = (HttpURLConnection) new URL(jongoUrl + url).openConnection();
        con.setRequestMethod("POST");
        con.setRequestProperty("Accept", MediaType.APPLICATION_XML);
        con.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
        con.setRequestProperty("Content-Length", "" + Integer.toString(urlParameters.getBytes().length));
        con.setDoOutput(true);
        con.setDoInput(true);

        DataOutputStream wr = new DataOutputStream(con.getOutputStream());
        wr.writeBytes(urlParameters);
        wr.flush();
        wr.close();

        BufferedReader r = null;
        if (con.getResponseCode() != Response.Status.CREATED.getStatusCode()) {
            r = new BufferedReader(new InputStreamReader(con.getErrorStream()));
        } else {
            r = new BufferedReader(new InputStreamReader(con.getInputStream()));
        }

        StringBuilder rawresponse = new StringBuilder();
        String strLine = null;
        while ((strLine = r.readLine()) != null) {
            rawresponse.append(strLine);
            rawresponse.append("\n");
        }

        try {
            response = XmlXstreamTest.successFromXML(rawresponse.toString());
        } catch (Exception e) {
            response = XmlXstreamTest.errorFromXML(rawresponse.toString());
        }

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

    return response;

}

---

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