Example usage for java.io DataOutputStream write

Introduction

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

Prototype

public synchronized void write(byte b[], int off, int len) throws IOException 

Source Link

Document

Writes len bytes from the specified byte array starting at offset off to the underlying output stream.

Usage

From source file:com.webkey.Ipc.java

public void comBinAuth(String turl, String postData) {
    readAuthKey();/* w w w  .j a v a 2  s .  com*/
    try {
        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(_context);
        port = prefs.getString("port", "80");
        Socket s = new Socket("127.0.0.1", Integer.parseInt(port));

        //outgoing stream redirect to socket
        DataOutputStream dataOutputStream = new DataOutputStream(s.getOutputStream());
        byte[] utf = postData.getBytes("UTF-8");
        dataOutputStream.writeBytes("POST /" + authKey + turl + " HTTP/1.1\r\n" + "Host: 127.0.0.1\r\n"
                + "Connection: close\r\n" + "Content-Length: " + Integer.toString(utf.length) + "\r\n\r\n");
        dataOutputStream.write(utf, 0, utf.length);
        dataOutputStream.flush();
        dataOutputStream.close();
        s.close();
    } catch (IOException e1) {
        //e1.printStackTrace();      
    }
    /*
    //         Log.d(TAG,"post data");
    String target = "http://127.0.0.1:"+port+"/"+authKey+turl;
    //Log.d(TAG,target);
    URL url = new URL(target);
    URLConnection conn = url.openConnection();
    // Set connection parameters.
    conn.setDoInput (true);
    conn.setDoOutput (true);
    conn.setUseCaches (false);
    //Make server believe we are form data...
    conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
    DataOutputStream out = new DataOutputStream (conn.getOutputStream ());
    // Write out the bytes of the content string to the stream.
    out.writeBytes(postData);
    out.flush ();
    out.close ();
    // Read response
    BufferedReader in = new BufferedReader (new InputStreamReader(conn.getInputStream ()));
    String temp;
    String response = null;
    while ((temp = in.readLine()) != null){
    response += temp + "\n";
    }
    temp = null;
    in.close ();
    System.out.println("Server response:\n'" + response + "'");
    }catch(Exception e){
    Log.d(TAG,e.toString());
    }
            
    */
}

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From source file:com.webkey.Ipc.java

public void sendMessage(String message) {
    readAuthKey();//w  ww  .  java 2s .c  o  m
    try {

        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(_context);
        port = prefs.getString("port", "80");
        Socket s = new Socket("127.0.0.1", Integer.parseInt(port));

        //outgoing stream redirect to socket
        DataOutputStream dataOutputStream = new DataOutputStream(s.getOutputStream());
        byte[] utf = message.getBytes("UTF-8");
        dataOutputStream.writeBytes("POST /" + authKey + "phonewritechatmessage HTTP/1.1\r\n"
                + "Host: 127.0.0.1\r\n" + "Connection: close\r\n" + "Content-Length: "
                + Integer.toString(utf.length) + "\r\n\r\n");
        dataOutputStream.write(utf, 0, utf.length);
        dataOutputStream.flush();
        dataOutputStream.close();
        s.close();
    } catch (IOException e1) {
        //e1.printStackTrace();      
    }

}

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From source file:org.apache.hadoop.raid.BlockFixer.java

/**
 * Reads data from the data stream provided and computes metadata.
 *//*from  ww  w.j  a  va2 s .  co m*/
static DataInputStream computeMetadata(Configuration conf, InputStream dataStream) throws IOException {
    ByteArrayOutputStream mdOutBase = new ByteArrayOutputStream(1024 * 1024);
    DataOutputStream mdOut = new DataOutputStream(mdOutBase);

    // First, write out the version.
    mdOut.writeShort(FSDataset.METADATA_VERSION);

    // Create a summer and write out its header.
    int bytesPerChecksum = conf.getInt("io.bytes.per.checksum", 512);
    DataChecksum sum = DataChecksum.newDataChecksum(DataChecksum.CHECKSUM_CRC32, bytesPerChecksum);
    sum.writeHeader(mdOut);

    // Buffer to read in a chunk of data.
    byte[] buf = new byte[bytesPerChecksum];
    // Buffer to store the checksum bytes.
    byte[] chk = new byte[sum.getChecksumSize()];

    // Read data till we reach the end of the input stream.
    int bytesSinceFlush = 0;
    while (true) {
        // Read some bytes.
        int bytesRead = dataStream.read(buf, bytesSinceFlush, bytesPerChecksum - bytesSinceFlush);
        if (bytesRead == -1) {
            if (bytesSinceFlush > 0) {
                boolean reset = true;
                sum.writeValue(chk, 0, reset); // This also resets the sum.
                // Write the checksum to the stream.
                mdOut.write(chk, 0, chk.length);
                bytesSinceFlush = 0;
            }
            break;
        }
        // Update the checksum.
        sum.update(buf, bytesSinceFlush, bytesRead);
        bytesSinceFlush += bytesRead;

        // Flush the checksum if necessary.
        if (bytesSinceFlush == bytesPerChecksum) {
            boolean reset = true;
            sum.writeValue(chk, 0, reset); // This also resets the sum.
            // Write the checksum to the stream.
            mdOut.write(chk, 0, chk.length);
            bytesSinceFlush = 0;
        }
    }

    byte[] mdBytes = mdOutBase.toByteArray();
    return new DataInputStream(new ByteArrayInputStream(mdBytes));
}

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From source file:org.apache.hadoop.tools.TestIntegrationByChunkThreads.java

private static void touchFile(String path, long totalFileSize, boolean preserveBlockSize,
        Options.ChecksumOpt checksumOpt) throws IOException {
    FileSystem fs;/*ww  w.  j a  va  2  s .c o  m*/
    DataOutputStream outputStream = null;
    try {
        fs = cluster.getFileSystem();
        final Path qualifiedPath = new Path(path).makeQualified(fs.getUri(), fs.getWorkingDirectory());
        final long blockSize = preserveBlockSize ? NON_DEFAULT_BLOCK_SIZE
                : fs.getDefaultBlockSize(qualifiedPath) * 2;
        FsPermission permission = FsPermission.getFileDefault().applyUMask(FsPermission.getUMask(fs.getConf()));
        outputStream = fs.create(qualifiedPath, permission, EnumSet.of(CreateFlag.CREATE, CreateFlag.OVERWRITE),
                0, (short) (fs.getDefaultReplication(qualifiedPath) * 2), blockSize, null, checksumOpt);
        byte[] bytes = new byte[DEFAULT_BUFFER_SIZE];
        long curFileSize = 0;
        int bufferLen = DEFAULT_BUFFER_SIZE;
        while (curFileSize < totalFileSize) {
            if (totalFileSize - curFileSize < DEFAULT_BUFFER_SIZE)
                bufferLen = (int) (totalFileSize - curFileSize);
            outputStream.write(bytes, 0, bufferLen);
            outputStream.flush();
            curFileSize += bufferLen;
        }

        FileStatus fileStatus = fs.getFileStatus(qualifiedPath);
        System.out.println(fileStatus.getBlockSize());
        System.out.println(fileStatus.getReplication());
    } finally {
        IOUtils.cleanup(null, outputStream);
    }
}

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From source file:com.aliyun.openservices.odps.console.mapreduce.runtime.MapReduceJob.java

private boolean writeConfig(String fileName) throws OdpsException {

    try {/*ww w.  ja  va2 s. c  o  m*/
        DataOutputStream out = new DataOutputStream(
                new BufferedOutputStream(new FileOutputStream(new File(fileName))));

        JSONObject result = new JSONObject();

        if (!SetCommand.setMap.isEmpty()) {
            JSONObject obj = new JSONObject(SetCommand.setMap);
            result.put("settings", obj);
        }

        if (!SetCommand.aliasMap.isEmpty()) {
            JSONObject obj = new JSONObject(SetCommand.aliasMap);
            result.put("aliases", obj);
        }

        result.put("commandText", mrCmd.getCommandText());
        result.put("context", context.toJson());
        out.write(result.toString().getBytes(), 0, result.toString().getBytes().length);

        out.close();
    } catch (IOException e) {
        throw new OdpsException("MapReduce write config error: " + e.getMessage());
    } catch (JSONException je) {
        throw new OdpsException("MapReduce write config error: " + je.getMessage());
    }

    return true;
}

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From source file:com.retroteam.studio.retrostudio.EditorLandscape.java

/**
 * Write the 8bit PCM audio to the wav file format to the public music dir.
 * http://www-mmsp.ece.mcgill.ca/Documents/AudioFormats/WAVE/WAVE.html
 * @param proj/*from  www.  ja v a2  s . c o  m*/
 * @param filename
 */

private void exportAsWav(Project proj, String filename) {
    try {
        File file = new File(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_MUSIC),
                filename + ".wav");
        DataOutputStream os = new DataOutputStream(new FileOutputStream(file));

        // get project length
        int pLength = proj.export().getBytes().length;

        os.writeBytes("RIFF"); // Chunk ID 'RIFF'
        os.write(intToByteArray(36 + pLength), 0, 4); //file size
        os.writeBytes("WAVE"); // Wave ID
        os.writeBytes("fmt "); // Chunk ID 'fmt '
        os.write(intToByteArray(16), 0, 4); // chunk size
        os.write(intToByteArray(1), 0, 2); // pcm audio
        os.write(intToByteArray(1), 0, 2); // mono
        os.write(intToByteArray(8000), 0, 4); // samples/sec
        os.write(intToByteArray(pLength), 0, 4); // bytes/sec
        os.write(intToByteArray(1), 0, 2); // 1 byte/sample
        os.write(intToByteArray(8), 0, 2); // 8 bits/sample
        os.writeBytes("data"); // Chunk ID 'data'
        os.write(intToByteArray(pLength), 0, 4); // size of data chunk
        os.write(proj.export().getBytes()); // write the data
        os.close();
        Toast.makeText(this, "Saved file to: " + file.getPath(), Toast.LENGTH_SHORT).show();
    } catch (IOException e) {
        Toast.makeText(this, "IOException while saving project.", Toast.LENGTH_SHORT).show();
    }
}

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From source file:UploadTest.java

@Test
public void put_data_test() {
    String pid = "frl:6376979";
    try {//from ww  w. ja  v a  2s.  c om
        System.out.println(url);
        String charset = "UTF-8";
        File file = new File("/home/raul/test/frl%3A6376984/6376986.pdf");
        FileInputStream fi = new FileInputStream(file);

        httpCon.setDoOutput(true);
        httpCon.setDoInput(true);
        httpCon.setRequestMethod("PUT");
        httpCon.setRequestProperty("Connection", "Keep-Alive");
        httpCon.setRequestProperty("Content-Type", "application/pdf");
        httpCon.setRequestProperty("type", "multipart/form-data");
        httpCon.setRequestProperty("Accept", "application/data");
        httpCon.setRequestProperty("uploaded_file", file.getPath());
        System.out.println(file.getPath());
        DataOutputStream out = new DataOutputStream(httpCon.getOutputStream());
        System.out.println("130");
        Files.copy(file.toPath(), out);
        int bytesRead;
        byte[] dataBuffer = new byte[1024];
        while ((bytesRead = fi.read(dataBuffer)) != -1) {
            out.write(dataBuffer, 0, bytesRead);
        }
        System.out.println("137");
        out.flush();
        out.close();
        System.out.println("140");
        System.out.println("142");
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}

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From source file:org.apache.sshd.server.sftp.SftpSubsystem.java

protected void send(Buffer buffer) throws IOException {
    DataOutputStream dos = new DataOutputStream(out);
    dos.writeInt(buffer.available());//  w w  w .ja v  a  2s.  c  om
    dos.write(buffer.array(), buffer.rpos(), buffer.available());
    dos.flush();
}

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From source file:ict.servlet.UploadToServer.java

public static int upLoad2Server(String sourceFileUri) {
    String upLoadServerUri = "http://vbacdu.ddns.net:8080/WBS/newjsp.jsp";
    // String [] string = sourceFileUri;
    String fileName = sourceFileUri;
    int serverResponseCode = 0;

    HttpURLConnection conn = null;
    DataOutputStream dos = null;
    DataInputStream inStream = null;
    String lineEnd = "\r\n";
    String twoHyphens = "--";
    String boundary = "*****";
    int bytesRead, bytesAvailable, bufferSize;
    byte[] buffer;
    int maxBufferSize = 1 * 1024 * 1024;
    String responseFromServer = "";

    File sourceFile = new File(sourceFileUri);
    if (!sourceFile.isFile()) {

        return 0;
    }//from w w w  . jav  a  2s  .  c om
    try { // open a URL connection to the Servlet
        FileInputStream fileInputStream = new FileInputStream(sourceFile);
        URL url = new URL(upLoadServerUri);
        conn = (HttpURLConnection) url.openConnection(); // Open a HTTP  connection to  the URL
        conn.setDoInput(true); // Allow Inputs
        conn.setDoOutput(true); // Allow Outputs
        conn.setUseCaches(false); // Don't use a Cached Copy
        conn.setRequestMethod("POST");
        conn.setRequestProperty("Connection", "Keep-Alive");
        conn.setRequestProperty("ENCTYPE", "multipart/form-data");
        conn.setRequestProperty("Content-Type", "multipart/form-data;boundary=" + boundary);
        conn.setRequestProperty("uploaded_file", fileName);
        dos = new DataOutputStream(conn.getOutputStream());

        dos.writeBytes(twoHyphens + boundary + lineEnd);
        dos.writeBytes("Content-Disposition: form-data; name=\"uploaded_file\";filename=\"" + fileName + "\""
                + lineEnd);
        dos.writeBytes(lineEnd);

        bytesAvailable = fileInputStream.available(); // create a buffer of  maximum size

        bufferSize = Math.min(bytesAvailable, maxBufferSize);
        buffer = new byte[bufferSize];

        // read file and write it into form...
        bytesRead = fileInputStream.read(buffer, 0, bufferSize);

        while (bytesRead > 0) {
            dos.write(buffer, 0, bufferSize);
            bytesAvailable = fileInputStream.available();
            bufferSize = Math.min(bytesAvailable, maxBufferSize);
            bytesRead = fileInputStream.read(buffer, 0, bufferSize);
        }

        // send multipart form data necesssary after file data...
        dos.writeBytes(lineEnd);
        dos.writeBytes(twoHyphens + boundary + twoHyphens + lineEnd);

        // Responses from the server (code and message)
        serverResponseCode = conn.getResponseCode();
        String serverResponseMessage = conn.getResponseMessage();

        m_log.info("Upload file to server" + "HTTP Response is : " + serverResponseMessage + ": "
                + serverResponseCode);
        // close streams
        m_log.info("Upload file to server" + fileName + " File is written");
        fileInputStream.close();
        dos.flush();
        dos.close();
    } catch (MalformedURLException ex) {
        //         ex.printStackTrace();
        m_log.error("Upload file to server" + "error: " + ex.getMessage(), ex);
    } catch (Exception e) {
        //      e.printStackTrace();
    }
    //this block will give the response of upload link
    /* try {
      BufferedReader rd = new BufferedReader(new InputStreamReader(conn.getInputStream()));
      String line;
      while ((line = rd.readLine()) != null) {
      m_log.info("Huzza" + "RES Message: " + line);
      }
      rd.close();
      } catch (IOException ioex) {
      m_log.error("Huzza" + "error: " + ioex.getMessage(), ioex);
      }*/
    return serverResponseCode; // like 200 (Ok)

}

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From source file:Main.java

public static String postMultiPart(String urlTo, String post, String filepath, String filefield)
        throws ParseException, IOException {
    HttpURLConnection connection = null;
    DataOutputStream outputStream = null;
    InputStream inputStream = null;

    String twoHyphens = "--";
    String boundary = "*****" + Long.toString(System.currentTimeMillis()) + "*****";
    String lineEnd = "\r\n";

    String result = "";

    int bytesRead, bytesAvailable, bufferSize;
    byte[] buffer;
    int maxBufferSize = 1 * 1024 * 1024;

    String[] q = filepath.split("/");
    int idx = q.length - 1;

    try {// w  ww.j  a va2s .  co  m
        File file = new File(filepath);
        FileInputStream fileInputStream = new FileInputStream(file);

        URL url = new URL(urlTo);
        connection = (HttpURLConnection) url.openConnection();

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

        connection.setRequestMethod("POST");
        connection.setRequestProperty("Connection", "Keep-Alive");
        connection.setRequestProperty("User-Agent", "Android Multipart HTTP Client 1.0");
        connection.setRequestProperty("Content-Type", "multipart/form-data; boundary=" + boundary);

        outputStream = new DataOutputStream(connection.getOutputStream());
        outputStream.writeBytes(twoHyphens + boundary + lineEnd);
        outputStream.writeBytes("Content-Disposition: form-data; name=\"" + filefield + "\"; filename=\""
                + q[idx] + "\"" + lineEnd);
        outputStream.writeBytes("Content-Type: image/jpeg" + lineEnd);
        outputStream.writeBytes("Content-Transfer-Encoding: binary" + lineEnd);
        outputStream.writeBytes(lineEnd);

        bytesAvailable = fileInputStream.available();
        bufferSize = Math.min(bytesAvailable, maxBufferSize);
        buffer = new byte[bufferSize];

        bytesRead = fileInputStream.read(buffer, 0, bufferSize);
        while (bytesRead > 0) {
            outputStream.write(buffer, 0, bufferSize);
            bytesAvailable = fileInputStream.available();
            bufferSize = Math.min(bytesAvailable, maxBufferSize);
            bytesRead = fileInputStream.read(buffer, 0, bufferSize);
        }

        outputStream.writeBytes(lineEnd);

        // Upload POST Data
        String[] posts = post.split("&");
        int max = posts.length;
        for (int i = 0; i < max; i++) {
            outputStream.writeBytes(twoHyphens + boundary + lineEnd);
            String[] kv = posts[i].split("=");
            outputStream.writeBytes("Content-Disposition: form-data; name=\"" + kv[0] + "\"" + lineEnd);
            outputStream.writeBytes("Content-Type: text/plain" + lineEnd);
            outputStream.writeBytes(lineEnd);
            outputStream.writeBytes(kv[1]);
            outputStream.writeBytes(lineEnd);
        }

        outputStream.writeBytes(twoHyphens + boundary + twoHyphens + lineEnd);

        inputStream = connection.getInputStream();
        result = convertStreamToString(inputStream);

        fileInputStream.close();
        inputStream.close();
        outputStream.flush();
        outputStream.close();

        return result;
    } catch (Exception e) {
        Log.e("MultipartRequest", "Multipart Form Upload Error");
        e.printStackTrace();
        return "error";
    }
}

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