Example usage for java.io DataOutputStream DataOutputStream

List of usage examples for java.io DataOutputStream DataOutputStream

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Introduction

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

Prototype

public DataOutputStream(OutputStream out)

Source Link

Document

Creates a new data output stream to write data to the specified underlying output stream.

Usage

From source file:J2MEMixedRecordEnumerationExample.java

public void commandAction(Command command, Displayable displayable) {
    if (command == exit) {
        destroyApp(true);/*from  ww  w.ja  va 2s .c om*/
        notifyDestroyed();
    } else if (command == start) {
        try {
            recordstore = RecordStore.openRecordStore("myRecordStore", true);
            byte[] outputRecord;
            String outputString[] = { "First Record", "Second Record", "Third Record" };
            int outputInteger[] = { 15, 10, 5 };
            boolean outputBoolean[] = { true, false, true };
            ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
            DataOutputStream outputDataStream = new DataOutputStream(outputStream);
            for (int x = 0; x < 3; x++) {
                outputDataStream.writeUTF(outputString[x]);
                outputDataStream.writeBoolean(outputBoolean[x]);
                outputDataStream.writeInt(outputInteger[x]);
                outputDataStream.flush();
                outputRecord = outputStream.toByteArray();
                recordstore.addRecord(outputRecord, 0, outputRecord.length);
            }
            outputStream.reset();
            outputStream.close();
            outputDataStream.close();
            StringBuffer buffer = new StringBuffer();
            byte[] byteInputData = new byte[300];
            ByteArrayInputStream inputStream = new ByteArrayInputStream(byteInputData);
            DataInputStream inputDataStream = new DataInputStream(inputStream);
            recordEnumeration = recordstore.enumerateRecords(null, null, false);
            while (recordEnumeration.hasNextElement()) {
                recordstore.getRecord(recordEnumeration.nextRecordId(), byteInputData, 0);
                buffer.append(inputDataStream.readUTF());
                buffer.append("\n");
                buffer.append(inputDataStream.readBoolean());
                buffer.append("\n");
                buffer.append(inputDataStream.readInt());
                buffer.append("\n");
                alert = new Alert("Reading", buffer.toString(), null, AlertType.WARNING);
                alert.setTimeout(Alert.FOREVER);
                display.setCurrent(alert);
            }
            inputStream.close();
            recordstore.closeRecordStore();
            if (RecordStore.listRecordStores() != null) {
                RecordStore.deleteRecordStore("myRecordStore");
                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:eu.delving.sip.files.ReportWriter.java

public ReportWriter(File reportFile, File reportIndexFile, LinkCheckExtractor linkCheckExtractor)
        throws FileNotFoundException, XPathExpressionException, UnsupportedEncodingException {
    this.reportFile = reportFile;
    this.reportIndexFile = reportIndexFile;
    this.linkCheckExtractor = linkCheckExtractor;
    this.indexOut = new DataOutputStream(new FileOutputStream(reportIndexFile));
    this.count = new CountingOutputStream(new FileOutputStream(reportFile));
    this.out = new OutputStreamWriter(count, "UTF-8");
}

From source file:TaxSvc.TaxSvc.java

public GetTaxResult GetTax(GetTaxRequest req) {

    //Create URL/*w w  w .j a v a2 s . c o  m*/
    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:J2MESearchMixedRecordDataTypeExample.java

public void commandAction(Command command, Displayable displayable) {
    if (command == exit) {
        destroyApp(true);/*from ww w .j av a  2  s.  c  o m*/
        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:io.lavagna.model.CardFullWithCounts.java

private static String hash(CardFullWithCounts cwc) {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    DataOutputStream daos = new DataOutputStream(baos);

    try {//from   w w  w  . j a v  a  2 s.  c  o  m
        // card
        daos.writeChars(Integer.toString(cwc.getId()));

        writeNotNull(daos, cwc.getName());
        writeInts(daos, cwc.getSequence(), cwc.getOrder(), cwc.getColumnId(), cwc.getUserId());
        // end card
        writeNotNull(daos, cwc.creationUser);
        writeNotNull(daos, cwc.creationDate);

        if (cwc.counts != null) {
            for (Map.Entry<String, CardDataCount> count : cwc.counts.entrySet()) {
                writeNotNull(daos, count.getKey());
                CardDataCount dataCount = count.getValue();
                daos.writeChars(Integer.toString(dataCount.getCardId()));
                if (dataCount.getCount() != null) {
                    daos.writeChars(Long.toString(dataCount.getCount().longValue()));
                }
                writeNotNull(daos, dataCount.getType());
            }
        }
        for (LabelAndValue lv : cwc.labels) {
            //
            writeInts(daos, lv.getLabelId(), lv.getLabelProjectId());
            writeNotNull(daos, lv.getLabelName());
            writeInts(daos, lv.getLabelColor());
            writeEnum(daos, lv.getLabelType());
            writeEnum(daos, lv.getLabelDomain());
            //
            writeInts(daos, lv.getLabelValueId(), lv.getLabelValueCardId(), lv.getLabelValueLabelId());
            writeNotNull(daos, lv.getLabelValueUseUniqueIndex());
            writeEnum(daos, lv.getLabelValueType());
            writeNotNull(daos, lv.getLabelValueString());
            writeNotNull(daos, lv.getLabelValueTimestamp());
            writeNotNull(daos, lv.getLabelValueInt());
            writeNotNull(daos, lv.getLabelValueCard());
            writeNotNull(daos, lv.getLabelValueUser());
        }
        daos.flush();

        return DigestUtils.sha256Hex(new ByteArrayInputStream(baos.toByteArray()));
    } catch (IOException e) {
        throw new IllegalStateException(e);
    }
}

From source file:com.knewton.mapreduce.io.StudentEventWritableTest.java

@Test
public void testSerialization() throws DecoderException, TException, IOException {
    byte[] studentEventDataBytes = Hex.decodeHex(eventDataString.toCharArray());
    StudentEventData studentEventData = new StudentEventData();
    deserializer.deserialize(studentEventData, studentEventDataBytes);
    StudentEvent studentEvent = new StudentEvent(1, studentEventData);
    StudentEventWritable sew = new StudentEventWritable(studentEvent, 10L);

    ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
    DataOutputStream dout = new DataOutputStream(byteArrayOutputStream);
    sew.write(dout);/*from   ww w. j  av a  2s . co  m*/

    StudentEventWritable deserializedWritable = new StudentEventWritable();
    InputStream is = new ByteArrayInputStream(byteArrayOutputStream.toByteArray());
    DataInputStream dis = new DataInputStream(is);
    deserializedWritable.readFields(dis);
    assertEquals(sew.getStudentEvent(), deserializedWritable.getStudentEvent());
    assertEquals(sew.getTimestamp(), deserializedWritable.getTimestamp());
}

From source file:J2MESortMixedRecordDataTypeExample.java

public void commandAction(Command command, Displayable displayable) {
    if (command == exit) {
        destroyApp(true);//w  w  w . j ava 2  s  . 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);
        }
    }
}

From source file:epn.edu.ec.bibliotecadigital.servidor.ServerRunnable.java

@Override
public void run() {
    try {//from w w  w  . ja  v a 2s .com
        DataInputStream dataIn = new DataInputStream(clientSocket.getInputStream());
        DataOutputStream dataOut = new DataOutputStream(clientSocket.getOutputStream());
        OutputStream out;
        String accion = dataIn.readUTF();
        Libro lbr;
        String nombreUsuario = dataIn.readUTF();
        System.out.println("nombreUsuario" + nombreUsuario);
        switch (accion) {
        case "bajar":

            String codArchivo = dataIn.readUTF();
            dataOut = new DataOutputStream(clientSocket.getOutputStream());

            lbr = new LibroJpaController(emf).findLibro(Integer.parseInt(codArchivo));
            if (lbr == null) {
                dataOut.writeBoolean(false);
                break;
            }
            dataOut.writeBoolean(true);

            //File file = new File("C:\\Computacion Distribuida\\" + lbr.getNombre());
            dataOut.writeUTF(lbr.getNombre());
            out = clientSocket.getOutputStream();
            try {
                byte[] bytes = new byte[64 * 1024];
                InputStream in = new ByteArrayInputStream(lbr.getArchivo());

                int count;
                while ((count = in.read(bytes)) > 0) {
                    out.write(bytes, 0, count);
                }
                Usuariolibros usrLbr = new Usuariolibros();
                usrLbr.setFecha(Calendar.getInstance().getTime());
                usrLbr.setAccion('B');
                usrLbr.setCodigolibro(lbr);
                usrLbr.setNombrecuenta(new Usuario(nombreUsuario));
                new UsuariolibrosJpaController(emf).create(usrLbr);
                in.close();
            } finally {
                IOUtils.closeQuietly(out);
            }
            break;
        case "subir":
            dataIn = new DataInputStream(clientSocket.getInputStream());
            String fileName = dataIn.readUTF();
            InputStream in = clientSocket.getInputStream();
            try {
                out = new FileOutputStream("C:\\Computacion Distribuida\\" + fileName);
                byte[] bytes = new byte[64 * 1024];

                int count;
                while ((count = in.read(bytes)) > 0) {
                    out.write(bytes, 0, count);
                }
                out.close();
                lbr = new Libro();
                lbr.setNombre(fileName);
                lbr.setArchivo(
                        IOUtils.toByteArray(new FileInputStream("C:\\Computacion Distribuida\\" + fileName)));

                new LibroJpaController(emf).create(lbr);
                Usuariolibros usrLbr = new Usuariolibros();
                usrLbr.setFecha(Calendar.getInstance().getTime());
                usrLbr.setAccion('S');
                usrLbr.setCodigolibro(lbr);
                usrLbr.setNombrecuenta(new Usuario(nombreUsuario));
                new UsuariolibrosJpaController(emf).create(usrLbr);
                actualizarLibrosEnServidores(fileName);
            } finally {
                IOUtils.closeQuietly(in);
            }
            break;
        case "obtenerLista":
            ObjectOutputStream outToServer = new ObjectOutputStream(clientSocket.getOutputStream());
            outToServer.writeObject(new LibroJpaController(emf).findLibroEntities());
            outToServer.close();
            break;
        case "verificarEstado":
            dataOut.writeUTF(String.valueOf(server.isDisponible()));
            break;
        case "actualizar":
            dataIn = new DataInputStream(clientSocket.getInputStream());
            String fileNameFromServer = dataIn.readUTF();
            in = clientSocket.getInputStream();
            try {
                out = new FileOutputStream("C:\\Computacion Distribuida\\" + fileNameFromServer);
                byte[] bytes = new byte[64 * 1024];

                int count;
                while ((count = in.read(bytes)) > 0) {
                    out.write(bytes, 0, count);
                }
                out.close();
            } catch (IOException e) {
                e.printStackTrace();
            } finally {
                IOUtils.closeQuietly(in);
            }

        }
        dataIn.close();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

From source file:com.example.jarida.http.AsyncConnection.java

@Override
public String doInBackground(String... params) {
    final String method = params[0];
    final String urlString = params[1];

    final StringBuilder builder = new StringBuilder();

    try {//from   www  .j  a  v  a 2  s .com
        final URL url = new URL(urlString);

        final HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        conn.setRequestMethod(method);

        if (method.equals(METHOD_POST)) {
            final String urlParams = params[2];
            conn.setRequestProperty(HTTP.CONTENT_LEN, "" + Integer.toString(urlParams.getBytes().length));
            System.out.println(urlParams);
            // Send request
            final DataOutputStream wr = new DataOutputStream(conn.getOutputStream());
            wr.writeBytes(urlParams);
            wr.flush();
            wr.close();
        }

        // Get Response
        final InputStream is = conn.getInputStream();
        final BufferedReader rd = new BufferedReader(new InputStreamReader(is));

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

    return builder.toString();
}

From source file:ai.eve.volley.request.JsonRequest.java

@Override
public void getBody(HttpURLConnection connection) {
    try {//from   ww w  .ja  v  a 2 s .c  o m
        if (mRequestBody != null) {
            connection.setDoOutput(true);
            connection.addRequestProperty(HTTP.CONTENT_TYPE, getBodyContentType());
            DataOutputStream out = new DataOutputStream(connection.getOutputStream());
            out.write(mRequestBody.getBytes(PROTOCOL_CHARSET));
            out.close();
        }
    } catch (UnsupportedEncodingException uee) {
        NetroidLog.wtf("Unsupported Encoding while trying to get the bytes of %s using %s", mRequestBody,
                PROTOCOL_CHARSET);
    } catch (IOException e) {
        e.printStackTrace();
    }
}