Example usage for java.io DataOutputStream flush

List of usage examples for java.io DataOutputStream flush

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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:honeypot.services.WepawetServiceImpl.java

/**
 * {@inheritDoc}//from   www . j a  v  a 2 s. c o m
 * @see honeypot.services.WepawetService#process(java.lang.String)
 */
@Transactional
public void process(final String message) {
    try {
        URL url = new URL("http://wepawet.cs.ucsb.edu/services/upload.php");
        String parameters = "resource_type=js&url=" + URLEncoder.encode(message, "UTF-8");
        HttpURLConnection connection = (HttpURLConnection) url.openConnection();

        connection.setDoOutput(true);
        connection.setRequestMethod("POST");

        //Send request
        DataOutputStream wr = new DataOutputStream(connection.getOutputStream());
        wr.writeBytes(parameters);
        wr.flush();
        wr.close();

        if (HttpURLConnection.HTTP_OK == connection.getResponseCode()) {
            InputStream is = connection.getInputStream();
            ByteArrayOutputStream os = new ByteArrayOutputStream();
            int data;
            while ((data = is.read()) != -1) {
                os.write(data);
            }
            is.close();
            // Process the XML message.
            handleProcessMsg(new ByteArrayInputStream(os.toByteArray()));
            os.close();
        }
    } catch (final Exception e) {
        log.error("Exception occured processing the message.", e);
        WepawetError wepawetError = new WepawetError();
        wepawetError.setCode("-1");
        wepawetError.setMessage(e.getMessage());
        wepawetError.setCreated(new Date());
        // Save the error to the database.
        entityManager.persist(wepawetError);
    }

}

From source file:J2MESearchMixedRecordDataTypeExample.java

public void commandAction(Command command, Displayable displayable) {
    if (command == exit) {
        destroyApp(true);// w  ww.j  a  v  a 2 s  .c om
        notifyDestroyed();
    } else if (command == start) {
        try {
            recordstore = RecordStore.openRecordStore("myRecordStore", true);
            byte[] outputRecord;
            String outputString[] = { "A", "B", "M" };
            int outputInteger[] = { 15, 10, 5 };
            ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
            DataOutputStream outputDataStream = new DataOutputStream(outputStream);
            for (int x = 0; x < 3; x++) {
                outputDataStream.writeUTF(outputString[x]);
                outputDataStream.writeInt(outputInteger[x]);
                outputDataStream.flush();
                outputRecord = outputStream.toByteArray();
                recordstore.addRecord(outputRecord, 0, outputRecord.length);
                outputStream.reset();
            }
            outputStream.close();
            outputDataStream.close();
            String inputString;
            byte[] byteInputData = new byte[300];
            ByteArrayInputStream inputStream = new ByteArrayInputStream(byteInputData);
            DataInputStream inputDataStream = new DataInputStream(inputStream);
            if (recordstore.getNumRecords() > 0) {
                filter = new Filter("Mary");
                recordEnumeration = recordstore.enumerateRecords(filter, null, false);
                while (recordEnumeration.hasNextElement()) {
                    recordstore.getRecord(recordEnumeration.nextRecordId(), byteInputData, 0);
                    inputString = inputDataStream.readUTF() + " " + inputDataStream.readInt();
                    alert = new Alert("Reading", inputString, null, AlertType.WARNING);
                    alert.setTimeout(Alert.FOREVER);
                    display.setCurrent(alert);
                }
            }
            inputStream.close();
            recordstore.closeRecordStore();
            if (RecordStore.listRecordStores() != null) {
                RecordStore.deleteRecordStore("myRecordStore");
                filter.filterClose();
                recordEnumeration.destroy();
            }
        } catch (Exception error) {
            alert = new Alert("Error Removing", error.toString(), null, AlertType.WARNING);
            alert.setTimeout(Alert.FOREVER);
            display.setCurrent(alert);
        }
    }
}

From source file:edu.ku.brc.specify.toycode.ResFileCompare.java

/**
 * Save as Ascii.//w ww  .  jav  a2  s . com
 */
public boolean save(final File file, final Vector<String> list) {
    FileOutputStream fos = null;
    DataOutputStream dos = null;

    try {
        fos = new FileOutputStream(file);
        dos = new DataOutputStream(fos);

        for (String line : list) {
            String str = line + '\n';
            dos.writeBytes(str);
        }
        dos.flush();
        dos.close();
        return true;

    } catch (Exception e) {
        System.out.println("e: " + e);
    }
    return false;
}

From source file:copter.ServerConnection.java

/**
 * this function make a post request to server and get response it sends
 * copter IP Address, Unique ID and Name
 *
 * @param ipAddress// w  ww  .j  av a  2s. c o m
 */
private String registerCopterOnServer(String ipAddress) {

    String serverHost = Config.getInstance().getString("main", "server_host");
    String copter_unique_id = Config.getInstance().getString("copter", "unique_id");
    String copter_name = Config.getInstance().getString("copter", "name");
    URL url;
    try {
        url = new URL("http://" + serverHost + Config.getInstance().getString("main", "register_copter_url"));
        HttpURLConnection con = (HttpURLConnection) url.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 = "copter_ip=" + ipAddress + "&unique_id=" + copter_unique_id + "&name="
                + copter_name;

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

        int responseCode = con.getResponseCode();

        logger.log("\nSending 'POST' request to URL : " + url);
        logger.log("Post parameters : " + urlParameters);
        logger.log("Response Code : " + responseCode);

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

        while ((inputLine = in.readLine()) != null) {
            response.append(inputLine);
        }
        in.close();
        String jsonResponse = response.toString();
        JSONParser parser = new JSONParser();
        Object obj = parser.parse(jsonResponse);
        JSONObject jsonObj = (JSONObject) obj;
        String status = (String) jsonObj.get("status");
        if (status != null && status.equals("ok")) {
            return "ok";
        } else {
            return (String) jsonObj.get("message");
        }
    } catch (Exception ex) {
        return ex.getMessage();
    }
}

From source file:io.teak.sdk.Request.java

@Override
public void run() {
    HttpsURLConnection connection = null;
    SecretKeySpec keySpec = new SecretKeySpec(this.session.appConfiguration.apiKey.getBytes(), "HmacSHA256");
    String requestBody;/*www. ja v  a 2  s .  co m*/

    String hostnameForEndpoint = this.hostname;
    if (hostnameForEndpoint == null) {
        hostnameForEndpoint = this.session.remoteConfiguration.getHostnameForEndpoint(this.endpoint);
    }

    try {
        ArrayList<String> payloadKeys = new ArrayList<>(this.payload.keySet());
        Collections.sort(payloadKeys);

        StringBuilder builder = new StringBuilder();
        for (String key : payloadKeys) {
            Object value = this.payload.get(key);
            if (value != null) {
                String valueString;
                if (value instanceof Map) {
                    valueString = new JSONObject((Map) value).toString();
                } else if (value instanceof Array) {
                    valueString = new JSONArray(Collections.singletonList(value)).toString();
                } else if (value instanceof Collection) {
                    valueString = new JSONArray((Collection) value).toString();
                } else {
                    valueString = value.toString();
                }
                builder.append(key).append("=").append(valueString).append("&");
            } else {
                Log.e(LOG_TAG, "Value for key: " + key + " is null.");
            }
        }
        builder.deleteCharAt(builder.length() - 1);

        String stringToSign = "POST\n" + hostnameForEndpoint + "\n" + this.endpoint + "\n" + builder.toString();
        Mac mac = Mac.getInstance("HmacSHA256");
        mac.init(keySpec);
        byte[] result = mac.doFinal(stringToSign.getBytes());

        builder = new StringBuilder();
        for (String key : payloadKeys) {
            Object value = this.payload.get(key);
            String valueString;
            if (value instanceof Map) {
                valueString = new JSONObject((Map) value).toString();
            } else if (value instanceof Array) {
                valueString = new JSONArray(Collections.singletonList(value)).toString();
            } else if (value instanceof Collection) {
                valueString = new JSONArray((Collection) value).toString();
            } else {
                valueString = value.toString();
            }
            builder.append(key).append("=").append(URLEncoder.encode(valueString, "UTF-8")).append("&");
        }
        builder.append("sig=")
                .append(URLEncoder.encode(Base64.encodeToString(result, Base64.NO_WRAP), "UTF-8"));

        requestBody = builder.toString();
    } catch (Exception e) {
        Log.e(LOG_TAG, "Error signing payload: " + Log.getStackTraceString(e));
        return;
    }

    try {
        if (Teak.isDebug) {
            Log.d(LOG_TAG, "Submitting request to '" + this.endpoint + "': "
                    + new JSONObject(this.payload).toString(2));
        }

        URL url = new URL("https://" + hostnameForEndpoint + this.endpoint);
        connection = (HttpsURLConnection) url.openConnection();

        connection.setRequestProperty("Accept-Charset", "UTF-8");
        connection.setUseCaches(false);
        connection.setDoOutput(true);
        connection.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
        connection.setRequestProperty("Content-Length", "" + Integer.toString(requestBody.getBytes().length));

        // Send request
        DataOutputStream wr = new DataOutputStream(connection.getOutputStream());
        wr.writeBytes(requestBody);
        wr.flush();
        wr.close();

        // Get Response
        InputStream is;
        if (connection.getResponseCode() < 400) {
            is = connection.getInputStream();
        } else {
            is = connection.getErrorStream();
        }
        BufferedReader rd = new BufferedReader(new InputStreamReader(is));
        String line;
        StringBuilder response = new StringBuilder();
        while ((line = rd.readLine()) != null) {
            response.append(line);
            response.append('\r');
        }
        rd.close();

        if (Teak.isDebug) {
            String responseText = response.toString();
            try {
                responseText = new JSONObject(response.toString()).toString(2);
            } catch (Exception ignored) {
            }
            Log.d(LOG_TAG, "Reply from '" + this.endpoint + "': " + responseText);
        }

        // For extending classes
        done(connection.getResponseCode(), response.toString());
    } catch (Exception e) {
        Log.e(LOG_TAG, Log.getStackTraceString(e));
    } finally {
        if (connection != null) {
            connection.disconnect();
        }
    }
}

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

private String createEmptyFile(String authToken, String fileName, String mimeType, String parentFolderId) {

    String fileId = null;/*from   w w w.j  av a2  s  . c om*/
    HttpURLConnection conn = null;

    String createFileUrl = "https://www.googleapis.com/drive/v2/files";

    String createFilePayload = "   {\n" + "             \"title\": \"" + fileName + "\",\n"
            + "             \"mimeType\": \"" + mimeType + "\",\n" + "             \"parents\": [\n"
            + "              {\n" + "               \"id\": \"" + parentFolderId + "\"\n" + "              }\n"
            + "             ]\n" + "            }";

    try {

        URL url = new URL(createFileUrl);

        conn = (HttpURLConnection) url.openConnection();
        conn.setRequestMethod("POST");
        conn.setRequestProperty("User-Agent", "GPSLogger for Android");
        conn.setRequestProperty("Authorization", "Bearer " + authToken);
        conn.setRequestProperty("Content-Type", "application/json");

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

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

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

        fileId = null;

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

        JSONObject fileMetadataJson = new JSONObject(fileMetadata);
        fileId = fileMetadataJson.getString("id");
        LOG.debug("File created with ID " + fileId + " of type " + mimeType);

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

    }

    return fileId;
}

From source file:MainFrame.HttpCommunicator.java

public void setCombos(JComboBox comboGroups, JComboBox comboDates, LessonTableModel tableModel)
        throws MalformedURLException, IOException {
    BufferedReader in = null;/*from w w w . j  av a 2 s . c  o  m*/
    if (SingleDataHolder.getInstance().isProxyActivated) {
        CredentialsProvider credentialsProvider = new BasicCredentialsProvider();
        credentialsProvider.setCredentials(AuthScope.ANY, new UsernamePasswordCredentials(
                SingleDataHolder.getInstance().proxyLogin, SingleDataHolder.getInstance().proxyPassword));

        HttpClient client = HttpClientBuilder.create().setDefaultCredentialsProvider(credentialsProvider)
                .build();

        HttpHost proxy = new HttpHost(SingleDataHolder.getInstance().proxyIpAdress,
                SingleDataHolder.getInstance().proxyPort);

        RequestConfig config = RequestConfig.custom().setProxy(proxy).build();

        HttpPost post = new HttpPost(SingleDataHolder.getInstance().hostAdress + "index.php");
        post.setConfig(config);

        StringBody head = new StringBody(new JSONObject().toString(), ContentType.TEXT_PLAIN);

        MultipartEntityBuilder builder = MultipartEntityBuilder.create();
        builder.setMode(HttpMultipartMode.BROWSER_COMPATIBLE);
        builder.addPart("apideskviewer.getAllLessons", head);

        HttpEntity entity = builder.build();
        post.setEntity(entity);
        ResponseHandler<String> responseHandler = new BasicResponseHandler();
        String response = client.execute(post, responseHandler);
        System.out.println("responseBody : " + response);

        InputStream stream = new ByteArrayInputStream(response.getBytes(StandardCharsets.UTF_8));

        in = new BufferedReader(new InputStreamReader(stream));
    } else {
        URL obj = new URL(SingleDataHolder.getInstance().hostAdress);
        HttpURLConnection con = (HttpURLConnection) 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 = "apideskviewer.getAllLessons={}";

        // Send post request
        con.setDoOutput(true);
        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 : " + SingleDataHolder.getInstance().hostAdress);
        System.out.println("Post parameters : " + urlParameters);
        System.out.println("Response Code : " + responseCode);

        in = new BufferedReader(new InputStreamReader(con.getInputStream()));
    }

    JSONParser parser = new JSONParser();
    try {
        Object parsedResponse = parser.parse(in);

        JSONObject jsonParsedResponse = (JSONObject) parsedResponse;

        for (int i = 0; i < jsonParsedResponse.size(); i++) {
            String s = (String) jsonParsedResponse.get(String.valueOf(i));
            String[] splittedPath = s.split("/");
            DateFormat DF = new SimpleDateFormat("yyyyMMdd");
            Date d = DF.parse(splittedPath[1].replaceAll(".bin", ""));
            Lesson lesson = new Lesson(splittedPath[0], d, false);
            String group = splittedPath[0];
            String date = new SimpleDateFormat("dd.MM.yyyy").format(d);

            if (((DefaultComboBoxModel) comboGroups.getModel()).getIndexOf(group) == -1) {
                comboGroups.addItem(group);
            }
            if (((DefaultComboBoxModel) comboDates.getModel()).getIndexOf(date) == -1) {
                comboDates.addItem(date);
            }
            tableModel.addLesson(lesson);
        }
    } catch (Exception ex) {
    }
}

From source file:WriteReadMixedDataTypesExample.java

public void commandAction(Command command, Displayable displayable) {
    if (command == exit) {
        destroyApp(true);/*from  ww w. ja va  2  s . c  o m*/
        notifyDestroyed();
    } else if (command == start) {
        try {
            recordstore = RecordStore.openRecordStore("myRecordStore", true);
        } catch (Exception error) {
            alert = new Alert("Error Creating", error.toString(), null, AlertType.WARNING);
            alert.setTimeout(Alert.FOREVER);
            display.setCurrent(alert);
        }
        try {
            byte[] outputRecord;
            String outputString = "First Record";
            int outputInteger = 15;
            boolean outputBoolean = true;
            ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
            DataOutputStream outputDataStream = new DataOutputStream(outputStream);
            outputDataStream.writeUTF(outputString);
            outputDataStream.writeBoolean(outputBoolean);
            outputDataStream.writeInt(outputInteger);
            outputDataStream.flush();
            outputRecord = outputStream.toByteArray();
            recordstore.addRecord(outputRecord, 0, outputRecord.length);
            outputStream.reset();
            outputStream.close();
            outputDataStream.close();
        } catch (Exception error) {
            alert = new Alert("Error Writing", error.toString(), null, AlertType.WARNING);
            alert.setTimeout(Alert.FOREVER);
            display.setCurrent(alert);
        }
        try {
            String inputString = null;
            int inputInteger = 0;
            boolean inputBoolean = false;
            byte[] byteInputData = new byte[100];
            ByteArrayInputStream inputStream = new ByteArrayInputStream(byteInputData);
            DataInputStream inputDataStream = new DataInputStream(inputStream);
            for (int x = 1; x <= recordstore.getNumRecords(); x++) {
                recordstore.getRecord(x, byteInputData, 0);
                inputString = inputDataStream.readUTF();
                inputBoolean = inputDataStream.readBoolean();
                inputInteger = inputDataStream.readInt();
                inputStream.reset();
            }
            inputStream.close();
            inputDataStream.close();
            alert = new Alert("Reading", inputString + " " + inputInteger + " " + inputBoolean, null,
                    AlertType.WARNING);
            alert.setTimeout(Alert.FOREVER);
            display.setCurrent(alert);
        } catch (Exception error) {
            alert = new Alert("Error Reading", error.toString(), null, AlertType.WARNING);
            alert.setTimeout(Alert.FOREVER);
            display.setCurrent(alert);
        }
        try {
            recordstore.closeRecordStore();
        } catch (Exception error) {
            alert = new Alert("Error Closing", error.toString(), null, AlertType.WARNING);
            alert.setTimeout(Alert.FOREVER);
            display.setCurrent(alert);
        }
        if (RecordStore.listRecordStores() != null) {
            try {
                RecordStore.deleteRecordStore("myRecordStore");
            } catch (Exception error) {
                alert = new Alert("Error Removing", error.toString(), null, AlertType.WARNING);
                alert.setTimeout(Alert.FOREVER);
                display.setCurrent(alert);
            }
        }
    }
}

From source file:de.hybris.platform.cuppytrail.impl.DefaultSecureTokenService.java

private String createChecksum(final String data) throws IOException, NoSuchAlgorithmException {
    final ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
    final DataOutputStream dataOutputStream = new DataOutputStream(byteArrayOutputStream);
    dataOutputStream.writeUTF(data);/* w  ww .j a  va2  s . co  m*/
    dataOutputStream.flush();
    final byte[] unsignedDataBytes = byteArrayOutputStream.toByteArray();
    final byte[] md5SigBytes = generateSignature(unsignedDataBytes, 0, unsignedDataBytes.length,
            signatureKeyBytes);
    return convert(Base64.encodeBase64(md5SigBytes));
}

From source file:J2MESortMixedRecordDataTypeExample.java

public void commandAction(Command command, Displayable displayable) {
    if (command == exit) {
        destroyApp(true);//from   w w  w.j av a 2s  .  c  o  m
        notifyDestroyed();
    } else if (command == start) {
        try {
            recordstore = RecordStore.openRecordStore("myRecordStore", true);
            byte[] outputRecord;
            String outputString[] = { "Mary", "Bob", "Adam" };
            int outputInteger[] = { 15, 10, 5 };
            ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
            DataOutputStream outputDataStream = new DataOutputStream(outputStream);
            for (int x = 0; x < 3; x++) {
                outputDataStream.writeUTF(outputString[x]);
                outputDataStream.writeInt(outputInteger[x]);
                outputDataStream.flush();
                outputRecord = outputStream.toByteArray();
                recordstore.addRecord(outputRecord, 0, outputRecord.length);
                outputStream.reset();
            }
            outputStream.close();
            outputDataStream.close();

            String[] inputString = new String[3];
            byte[] byteInputData = new byte[300];
            ByteArrayInputStream inputStream = new ByteArrayInputStream(byteInputData);
            DataInputStream inputDataStream = new DataInputStream(inputStream);
            StringBuffer buffer = new StringBuffer();
            comparator = new Comparator();
            recordEnumeration = recordstore.enumerateRecords(null, comparator, false);
            while (recordEnumeration.hasNextElement()) {
                recordstore.getRecord(recordEnumeration.nextRecordId(), byteInputData, 0);
                buffer.append(inputDataStream.readUTF());
                buffer.append(inputDataStream.readInt());
                buffer.append("\n");
                inputDataStream.reset();
            }
            alert = new Alert("Reading", buffer.toString(), null, AlertType.WARNING);
            alert.setTimeout(Alert.FOREVER);
            display.setCurrent(alert);
            inputDataStream.close();
            inputStream.close();
            recordstore.closeRecordStore();
            if (RecordStore.listRecordStores() != null) {
                RecordStore.deleteRecordStore("myRecordStore");
                comparator.compareClose();
                recordEnumeration.destroy();
            }
        } catch (Exception error) {
            alert = new Alert("Error Removing", error.toString(), null, AlertType.WARNING);
            alert.setTimeout(Alert.FOREVER);
            display.setCurrent(alert);
        }
    }
}