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:de.ingrid.communication.authentication.BasicSchemeConnector.java

public boolean connect(Socket socket, String host, int port, String userName, String password)
        throws IOException {
    DataInputStream dataInput = createInput(socket);
    DataOutputStream dataOutput = createOutput(socket);
    StringBuffer errorBuffer = new StringBuffer();
    String command = createConnectCommand(host, port, userName, password);
    errorBuffer.append(command);/*from   w w w  . ja  v  a  2  s .c  o m*/
    dataOutput.write(command.getBytes());
    dataOutput.flush();
    boolean success = readMessageFromHttpProxy(dataInput, errorBuffer);
    if (!success) {
        if (LOG.isEnabledFor(Level.WARN)) {
            LOG.error(errorBuffer);
        }
    }
    return success;
}

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From source file:com.esri.geoevent.test.tools.GetMapServiceCountRunnable.java

private int getMsLayerCount(String url) {
    int cnt = -1;

    try {//w  ww .  j a  v  a  2 s . c  om
        URL obj = new URL(url + "/query");
        HttpsURLConnection con = (HttpsURLConnection) obj.openConnection();

        //add reuqest header
        con.setRequestMethod("POST");

        con.setRequestProperty("Content-type", "application/x-www-form-urlencoded");
        con.setRequestProperty("Accept", "text/plain");

        String urlParameters = "where=" + URLEncoder.encode("1=1", "UTF-8") + "&returnCountOnly="
                + URLEncoder.encode("true", "UTF-8") + "&f=" + URLEncoder.encode("json", "UTF-8");

        // Send post request
        con.setDoOutput(true);
        DataOutputStream wr = new DataOutputStream(con.getOutputStream());
        wr.writeBytes(urlParameters);
        wr.flush();
        wr.close();

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

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

        //print result
        String jsonString = response.toString();

        JSONTokener tokener = new JSONTokener(jsonString);

        JSONObject root = new JSONObject(tokener);

        cnt = root.getInt("count");

    } catch (Exception e) {
        cnt = -2;
    } finally {
        return cnt;
    }

}

---

From source file:com.snaplogic.snaps.lunex.RequestProcessor.java

public String execute(RequestBuilder rBuilder) throws MalformedURLException, IOException {
    try {/*from   w  w w.  ja  va 2 s  .  com*/
        URL api_url = new URL(rBuilder.getURL());
        HttpURLConnection httpUrlConnection = (HttpURLConnection) api_url.openConnection();
        httpUrlConnection.setRequestMethod(rBuilder.getMethod().toString());
        httpUrlConnection.setDoInput(true);
        httpUrlConnection.setDoOutput(true);
        if (rBuilder.getSnapType() != LunexSnaps.Read) {
            rBuilder.getHeaders().add(Pair.of(CONTENT_LENGTH, rBuilder.getRequestBodyLenght()));
        }
        for (Pair<String, String> header : rBuilder.getHeaders()) {
            if (!StringUtils.isEmpty(header.getKey()) && !StringUtils.isEmpty(header.getValue())) {
                httpUrlConnection.setRequestProperty(header.getKey(), header.getValue());
            }
        }
        log.debug(String.format(LUNEX_HTTP_INFO, rBuilder.getSnapType(), rBuilder.getURL(),
                httpUrlConnection.getRequestProperties().toString()));
        if (rBuilder.getSnapType() != LunexSnaps.Read) {
            String paramsJson = null;
            if (!StringUtils.isEmpty(paramsJson = rBuilder.getRequestBody())) {
                DataOutputStream cgiInput = new DataOutputStream(httpUrlConnection.getOutputStream());
                log.debug(String.format(LUNEX_HTTP_REQ_INFO, paramsJson));
                cgiInput.writeBytes(paramsJson);
                cgiInput.flush();
                IOUtils.closeQuietly(cgiInput);
            }
        }

        List<String> input = null;
        StringBuilder response = new StringBuilder();
        try (InputStream iStream = httpUrlConnection.getInputStream()) {
            input = IOUtils.readLines(iStream);
        } catch (IOException ioe) {
            log.warn(String.format(INPUT_STREAM_ERROR, ioe.getMessage()));
            try (InputStream eStream = httpUrlConnection.getErrorStream()) {
                if (eStream != null) {
                    input = IOUtils.readLines(eStream);
                } else {
                    response.append(String.format(INPUT_STREAM_ERROR, ioe.getMessage()));
                }
            } catch (IOException ioe1) {
                log.warn(String.format(INPUT_STREAM_ERROR, ioe1.getMessage()));
            }
        }
        statusCode = httpUrlConnection.getResponseCode();
        log.debug(String.format(HTTP_STATUS, statusCode));
        if (input != null && !input.isEmpty()) {
            for (String line : input) {
                response.append(line);
            }
        }
        return formatResponse(response, rBuilder);
    } catch (MalformedURLException me) {
        log.error(me.getMessage(), me);
        throw me;
    } catch (IOException ioe) {
        log.error(ioe.getMessage(), ioe);
        throw ioe;
    } catch (Exception ex) {
        log.error(ex.getMessage(), ex);
        throw ex;
    }
}

---

From source file:com.mendhak.gpslogger.senders.googledrive.GoogleDriveJob.java

private String updateFileContents(String authToken, String gpxFileId, byte[] fileContents, String fileName) {
    HttpURLConnection conn = null;
    String fileId = null;//from  w w w.ja va2  s .c  o m

    String fileUpdateUrl = "https://www.googleapis.com/upload/drive/v2/files/" + gpxFileId
            + "?uploadType=media";

    try {

        URL url = new URL(fileUpdateUrl);

        conn = (HttpURLConnection) url.openConnection();
        conn.setRequestMethod("PUT");
        conn.setRequestProperty("User-Agent", "GPSLogger for Android");
        conn.setRequestProperty("Authorization", "Bearer " + authToken);
        conn.setRequestProperty("Content-Type", getMimeTypeFromFileName(fileName));
        conn.setRequestProperty("Content-Length", String.valueOf(fileContents.length));

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

        conn.setConnectTimeout(10000);
        conn.setReadTimeout(30000);

        DataOutputStream wr = new DataOutputStream(conn.getOutputStream());
        wr.write(fileContents);
        wr.flush();
        wr.close();

        String fileMetadata = Streams.getStringFromInputStream(conn.getInputStream());

        JSONObject fileMetadataJson = new JSONObject(fileMetadata);
        fileId = fileMetadataJson.getString("id");
        LOG.debug("File updated : " + fileId);

    } catch (Exception e) {
        LOG.error("Could not update contents", e);
    } finally {
        if (conn != null) {
            conn.disconnect();
        }
    }

    return fileId;
}

---

From source file:de.kasoki.jfeedly.helper.HTTPConnections.java

private String sendRequest(String apiUrl, String parameters, boolean isAuthenticated, RequestType type,
        String contentType) {/*from  ww w .  j ava 2s . c om*/
    try {
        String url = this.jfeedlyHandler.getBaseUrl() + apiUrl.replaceAll(" ", "%20");
        URL obj = new URL(url);
        HttpURLConnection con = (HttpURLConnection) obj.openConnection();

        con.setRequestProperty("User-Agent", "jfeedly");

        if (!contentType.isEmpty()) {
            con.setRequestProperty("Content-Type", contentType);
        }

        if (isAuthenticated) {
            con.setRequestProperty("Authorization",
                    "OAuth " + this.jfeedlyHandler.getConnection().getAccessToken());
        }

        // Send request header
        if (type == RequestType.POST) {
            con.setRequestMethod("POST");

            con.setDoOutput(true);

            DataOutputStream writer = new DataOutputStream(con.getOutputStream());

            writer.write(parameters.getBytes());
            writer.flush();

            writer.close();
        } else if (type == RequestType.GET) {
            con.setRequestMethod("GET");
        } else if (type == RequestType.DELETE) {
            con.setRequestMethod("DELETE");
        } else {
            System.err.println("jfeedly: Unkown RequestType " + type);
        }

        int responseCode = con.getResponseCode();

        if (jfeedlyHandler.getVerbose()) {
            System.out.println("\n" + type + " to: " + url);
            System.out.println("content : " + parameters);
            System.out.println("\nResponse Code : " + responseCode);
        }

        BufferedReader in = null;

        // if error occurred
        if (responseCode >= 400) {
            in = new BufferedReader(new InputStreamReader(con.getErrorStream()));
        } else {
            in = new BufferedReader(new InputStreamReader(con.getInputStream()));
        }

        String inputLine;
        StringBuffer response = new StringBuffer();

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

        in.close();

        String serverResponse = response.toString();

        if (jfeedlyHandler.getVerbose()) {
            //print response
            String printableResponse = format(serverResponse);

            if (responseCode >= 400) {
                System.err.println(printableResponse);
            } else {
                System.out.println(printableResponse);
            }
        }

        return serverResponse;
    } catch (IOException ex) {
        ex.printStackTrace();
    }

    return null;
}

---

From source file:com.orchestra.portale.profiler.FbProfiler.java

private HttpURLConnection addParameter(HttpURLConnection connection, Map<String, String> params)
        throws IOException {

    if (params != null) {
        String param_string = "";
        for (String k : params.keySet()) {
            param_string += k + "=" + params.get(k) + "&";
        }/*from   w w w . j  a va 2 s .c  o  m*/

        param_string = param_string.substring(0, param_string.length() - 1);

        connection.setDoOutput(true);
        DataOutputStream wr = new DataOutputStream(connection.getOutputStream());
        wr.writeBytes(param_string);
        wr.flush();
        wr.close();
    }
    return connection;
}

---

From source file:com.ebay.erl.mobius.core.model.TupleTest.java

/**
 * test serialization and de-serialization
 * /*from  w  ww  .j av a  2s. c om*/
 * @throws IOException
 */
@Test
public void test_serde() throws IOException {
    Tuple t = this.prepareTupe();

    ByteArrayOutputStream bos = new ByteArrayOutputStream();
    DataOutputStream out = new DataOutputStream(bos);

    t.write(out);

    out.flush();
    out.close();

    DataInputStream in = new DataInputStream(new ByteArrayInputStream(bos.toByteArray()));

    Tuple nt = new Tuple();
    nt.readFields(in);

    // ordering doesn't matter
    nt.setSchema(new String[] { "C1", "C2", "C3", "C4", "C5", "C6", "C7", "C8", "C9", "C10", "C11", "C12" });

    this._assertp_tuple(nt);
}

---

From source file:de.ingrid.iplug.csw.dsc.cswclient.impl.XMLPostRequest.java

/**
 * Send the given request to the server.
 * @param serverURL//from  w  w  w.  j ava  2s  . c  o m
 * @param payload
 * @return Document
 * @throws Exception 
 */
protected Document sendRequest(String requestURL, OMElement payload) throws Exception {
    // and make the call
    Document result = null;
    HttpURLConnection conn = null;
    try {
        URL url = new URL(requestURL);
        conn = (HttpURLConnection) url.openConnection();
        conn.setRequestMethod("POST");
        conn.setAllowUserInteraction(false);
        conn.setReadTimeout(10000);
        conn.setDoOutput(true);
        conn.setRequestProperty("Content-type", "text/xml");
        conn.connect();

        // send the request
        String xmlToSend = serializeElement(payload.cloneOMElement());
        if (log.isDebugEnabled())
            log.debug("Request: " + xmlToSend);
        DataOutputStream wr = new DataOutputStream(conn.getOutputStream());
        wr.writeBytes(xmlToSend);
        wr.flush();
        wr.close();

        // Get response data.
        int code = conn.getResponseCode();
        if (code >= 200 && code < 300) {
            DocumentBuilderFactory domFactory = DocumentBuilderFactory.newInstance();
            domFactory.setNamespaceAware(true);
            DocumentBuilder builder = domFactory.newDocumentBuilder();
            result = builder.parse(conn.getInputStream());
        }
        conn.disconnect();
        conn = null;
    } catch (Exception e) {
        throw e;
    } finally {
        if (conn != null)
            conn.disconnect();
    }
    return result;
}

---

From source file:edu.hackathon.perseus.core.httpSpeedTest.java

public void sendPost() throws Exception {

    String url = "https://selfsolve.apple.com/wcResults.do";
    URL obj = new URL(url);
    HttpsURLConnection con = (HttpsURLConnection) obj.openConnection();

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

    String urlParameters = "sn=C02G8416DRJM&cn=&locale=&caller=&num=12345";

    // Send post request
    con.setDoOutput(true);//from  w w  w. j a v a  2  s .c  o m
    DataOutputStream wr = new DataOutputStream(con.getOutputStream());
    wr.writeBytes(urlParameters);
    wr.flush();
    wr.close();

    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);
    }
    in.close();

    //print result
    System.out.println(response.toString());
}

---

From source file:moodle.android.moodle.helpers.MoodleWebService.java

private JSONObject getWebServiceResponse(String serverurl, String functionName, String urlParameters,
        int xslRawId) {
    JSONObject jsonobj = null;/*  w  w w .j  a  v a2 s . c o m*/

    try {
        HttpURLConnection con = (HttpURLConnection) new URL(serverurl + functionName).openConnection();
        //HttpURLConnection con = (HttpURLConnection) new URL(serverurl + functionName + "&moodlewsrestformat=json").openConnection();

        con.setConnectTimeout(30000);
        con.setReadTimeout(30000);

        con.setRequestMethod("POST");
        con.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
        con.setRequestProperty("Content-Language", "en-US");
        con.setDoOutput(true);
        con.setUseCaches(false);
        con.setDoInput(true);
        DataOutputStream wr = new DataOutputStream(con.getOutputStream());

        Log.d("URLParameters: ", urlParameters.toString());
        wr.writeBytes(urlParameters);
        wr.flush();
        wr.close();

        //Get Response
        InputStream is = con.getInputStream();

        Source xmlSource = new StreamSource(is);
        Source xsltSource = new StreamSource(context.getResources().openRawResource(xslRawId));

        TransformerFactory transFact = TransformerFactory.newInstance();
        Transformer trans = transFact.newTransformer(xsltSource);
        StringWriter writer = new StringWriter();
        trans.transform(xmlSource, new StreamResult(writer));

        String jsonstr = writer.toString();
        jsonstr = jsonstr.replace("<div class=\"no-overflow\"><p>", "");
        jsonstr = jsonstr.replace("</p></div>", "");
        jsonstr = jsonstr.replace("<p>", "");
        jsonstr = jsonstr.replace("</p>", "");
        Log.d("TransformObject: ", jsonstr);
        jsonobj = new JSONObject(jsonstr);

    } catch (JSONException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } catch (TransformerConfigurationException e) {
        // TODO Auto-generated catch block 
        e.printStackTrace();
    } catch (TransformerFactoryConfigurationError e) {
        // TODO Auto-generated catch block 
        e.printStackTrace();
    } catch (TransformerException e) {
        // TODO Auto-generated catch block 
        e.printStackTrace();
    } catch (MalformedURLException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } catch (ProtocolException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
    return jsonobj;
}

---

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