Example usage for java.io OutputStream flush

Introduction

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

Prototype

public void flush() throws IOException 

Source Link

Document

Flushes this output stream and forces any buffered output bytes to be written out.

Usage

From source file:ZipSocket.java

  public synchronized void close() throws IOException {
      OutputStream o = getOutputStream();
      o.flush();
super.close();/*from w w  w .  j  a  v  a2  s . com*/
  }

---

From source file:org.csware.ee.utils.Tools.java

public static String reqByPostSI(String path, String cookie, String params) {
    String info = "";
    String sessionId = "";
    try {//from  www.j  a  v  a2s .  c  o m
        URL url = new URL(path);
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        conn.setConnectTimeout(20000);
        conn.setRequestMethod("POST");
        conn.setDoOutput(true);
        // conn.setDoInput(true);

        //            conn.setInstanceFollowRedirects(isJump);

        conn.setRequestProperty("Cookie", cookie);
        conn.setRequestProperty("Connection", "keep-alive");
        conn.setRequestProperty("Accept-Encoding", "gzip,deflate,sdch");
        conn.setRequestProperty("Cache-Control", "max-age=0");
        conn.setRequestProperty("Content-Type", "application/json;charset=UTF-8");
        conn.setRequestProperty("Accept-Language", "zh-CN,zh;q=0.8");
        conn.setRequestProperty("Accept",
                "application/json,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8");
        //            conn.setRequestProperty("Host", "creditcardapp.bankcomm.com");
        //            conn.setRequestProperty("Origin", "https://creditcardapp.bankcomm.com");
        //            conn.setRequestProperty("Referer", "https://creditcardapp.bankcomm.com/member/home/index.html");
        conn.setRequestProperty("User-Agent",
                "Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/35.0.1916.114 Safari/537.36");

        //
        byte[] bypes = params.getBytes();
        OutputStream os = conn.getOutputStream();
        os.write(bypes);// ?
        os.flush();
        os.close();

        InputStream in = conn.getInputStream();
        //            System.out.println(conn.getHeaderField("Set-Cookie"));

        try {

            byte[] buffer = new byte[65536];
            ByteArrayOutputStream bos = new ByteArrayOutputStream();
            int readLength = in.read(buffer);
            long totalLength = 0;
            while (readLength >= 0) {
                bos.write(buffer, 0, readLength);
                totalLength = totalLength + readLength;
                readLength = in.read(buffer);

            }
            info = bos.toString("UTF-8");
        } finally {
            if (in != null)
                try {
                    in.close();
                } catch (Exception e) {
                    e.printStackTrace();
                }
        }
        // 
        //conn.setConnectTimeout(5 * 1000);
        // 
        // conn.connect();
    } catch (Exception ex) {
        ex.printStackTrace();

        return "";
    }
    return info;

}

---

From source file:com.chinamobile.bcbsp.fault.tools.HdfsOperater.java

/**
 * update file to hdfs//from  w  w w .  j a  va2 s .co m
 * @param localPath
 *        local file path to update
 * @param destPath
 *        destination path in hdfs
 * @return upload result
 */
public static String uploadHdfs(String localPath, String destPath) {
    InputStream in = null;
    OutputStream out = null;
    try {
        String localSrc = localPath;
        File srcFile = new File(localSrc);
        if (srcFile.exists()) {
            // String dst = hostName + dirPath;
            in = new BufferedInputStream(new FileInputStream(localSrc));
            // Configuration conf = new Configuration();
            // FileSystem fs = FileSystem.get(URI.create(destPath), conf);
            BSPHdfs Hdfsup = new BSPHdfsImpl();
            // out = fs.create(new Path(destPath),
            out = Hdfsup.hdfsOperater(destPath, Hdfsup.getConf());
            // new Progressable() {
            // public void progress() {
            //
            // }
            // });
            IOUtils.copyBytes(in, out, 4096, true);
            out.flush();
            out.close();
            in.close();
            return destPath;
        } else {
            return "error";
        }
    } catch (FileNotFoundException e) {
        LOG.error("[uploadHdfs]", e);
        return "error";
    } catch (IOException e) {
        LOG.error("[uploadHdfs]", e);
        try {
            if (out != null) {
                out.flush();
            }
            if (out != null) {
                out.close();
            }
            if (in != null) {
                in.close();
            }
        } catch (IOException e1) {
            LOG.error("[uploadHdfs]", e1);
        }
        return "error";
    }
}

---

From source file:it.qvc.ClientHttpRequest.java

/**
 * // w ww . ja v  a2s.c o  m
 * @param aInputStream
 * @param aOutputStream
 * @throws IOException
 */
private static void pipe(final InputStream aInputStream, final OutputStream aOutputStream) throws IOException {
    byte[] tByte = new byte[500000];
    int iNbRead;
    int iTotal = 0;
    synchronized (aInputStream) {
        while ((iNbRead = aInputStream.read(tByte, 0, tByte.length)) >= 0) {
            aOutputStream.write(tByte, 0, iNbRead);
            iTotal += iNbRead;
        }
    }
    aOutputStream.flush();
    tByte = null;
}

---

From source file:Files.java

/**
 * Copy all of the bytes from the input stream to the output stream
 * wrapping streams in buffers as needed.
 *
 * @param input   Stream to read bytes from.
 * @param output  Stream to write bytes to.
 * @return        The total number of bytes copied.
 *
 * @throws IOException  Failed to copy bytes.
 *///from w  ww. ja v  a2 s  . c  om
public static long copyb(InputStream input, OutputStream output) throws IOException {
    if (!(input instanceof BufferedInputStream)) {
        input = new BufferedInputStream(input);
    }

    if (!(output instanceof BufferedOutputStream)) {
        output = new BufferedOutputStream(output);
    }

    long bytes = copy(input, output, DEFAULT_BUFFER_SIZE);

    output.flush();

    return bytes;
}

---

From source file:com.vk.crawler.core.util.FileUtils.java

public static boolean createFile(InputStream inStream, String fileName, String outFilePath) throws Exception {
    //TODO use apache common-io methods. UPDATE- Apache.io is less efficient than Java 7
    OutputStream outStream = null;
    boolean rtn = false;
    try {/*w w  w .jav a  2 s . c  om*/
        if (StringUtils.isEmpty(outFilePath) || StringUtils.isEmpty(fileName)) {
            return rtn;
        }
        Files.createDirectories(Paths.get(outFilePath));
        logger.info("writing file " + fileName + " to directory " + outFilePath);

        outStream = new FileOutputStream(new File(outFilePath, fileName));
        int read = 0;
        byte[] bytes = new byte[1024];

        while ((read = inStream.read(bytes)) != -1) {
            outStream.write(bytes, 0, read);
        }
        logger.info("file " + fileName + " saved successfully.");
        rtn = true;
    } catch (Exception e) {
        logger.error("saving document " + e);
    } finally {
        if (outStream != null) {
            try {
                outStream.flush();
                outStream.close();
            } catch (Exception e) {
                logger.error("Error in finally.");
            }
        }
    }
    return rtn;
}

---

From source file:com.fjn.helper.common.io.file.common.FileUpAndDownloadUtil.java

public static void downloadToBrowser(String filename, String realpath, HttpServletRequest request,
        HttpServletResponse response) {/* w w w  .  j  a v a  2 s  .  c  om*/
    // ?MIME TYPE?
    //try {
    //      mimetypesMap=new MimetypesFileTypeMap(request.getSession().getServletContext().getRealPath("WEB-INF/my.mime.types"));
    mimetypesMap = new MimetypesFileTypeMap();
    //} catch (IOException e1) {
    //   e1.printStackTrace();
    //}

    //   response.setCharacterEncoding("UTF-8");
    response.setContentType(mimetypesMap.getContentType(filename));
    response.addHeader("Content-Disposition", "attachment;filename=" + toUTF8(filename));
    FileInputStream in = null;
    OutputStream out = null;
    try {
        /*   ????
           BufferedReader in = new BufferedReader(new InputStreamReader(
                 new FileInputStream(new File(realpath))));
           BufferedWriter out = new BufferedWriter(new OutputStreamWriter(
                 response.getOutputStream()));
           int length = -1;
           char[] chs = new char[1024];
           while ((length = in.read(chs)) != -1) {
              out.write(chs, 0, length);
           }
        */
        in = new FileInputStream(new File(realpath));
        out = response.getOutputStream();
        int length = -1;
        byte[] bs = new byte[1024];
        while ((length = in.read(bs)) != -1) {
            out.write(bs, 0, length);
        }

        out.flush();

    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        try {
            if (out != null)
                out.close();
            if (in != null)
                in.close();
        } catch (Exception ex) {

        }
    }

}

---

From source file:biz.varkon.shelvesom.util.ImageUtilities.java

/**
 * Loads an image from the specified URL with the specified cookie.
 * //  w w  w  .  j a  v a  2 s  .c  om
 * @param url
 *            The URL of the image to load.
 * @param cookie
 *            The cookie to use to load the image.
 * 
 * @return The image at the specified URL or null if an error occured.
 */
public static ExpiringBitmap load(String url, String cookie) {
    ExpiringBitmap expiring = new ExpiringBitmap();

    final HttpGet get = new HttpGet(url);
    if (cookie != null)
        get.setHeader("cookie", cookie);

    HttpEntity entity = null;
    try {
        final HttpResponse response = HttpManager.execute(get);
        if (response.getStatusLine().getStatusCode() == HttpStatus.SC_OK) {
            setLastModified(expiring, response);

            entity = response.getEntity();

            InputStream in = null;
            OutputStream out = null;

            try {
                in = entity.getContent();

                if (FLAG_DECODE_BITMAP_WITH_SKIA) {
                    expiring.bitmap = BitmapFactory.decodeStream(in);
                } else {
                    final ByteArrayOutputStream dataStream = new ByteArrayOutputStream();
                    out = new BufferedOutputStream(dataStream, IOUtilities.IO_BUFFER_SIZE);
                    IOUtilities.copy(in, out);
                    out.flush();

                    final byte[] data = dataStream.toByteArray();

                    final double ratio = getScale(in);

                    final BitmapFactory.Options bitmapOptions = new BitmapFactory.Options();
                    bitmapOptions.inSampleSize = getPowerOfTwoForSampleRatio(ratio);
                    bitmapOptions.inDither = true;
                    bitmapOptions.inPreferredConfig = Bitmap.Config.ARGB_8888;

                    expiring.bitmap = BitmapFactory.decodeByteArray(data, 0, data.length, bitmapOptions);
                }
            } catch (IOException e) {
                android.util.Log.e(LOG_TAG, "Could not load image from " + url, e);
            } catch (OutOfMemoryError oom) {
                expiring.bitmap = null;
            } finally {
                IOUtilities.closeStream(in);
                IOUtilities.closeStream(out);
            }
        }
    } catch (IOException e) {
        android.util.Log.e(LOG_TAG, "Could not load image from " + url, e);
    } finally {
        if (entity != null) {
            try {
                entity.consumeContent();
            } catch (IOException e) {
                android.util.Log.e(LOG_TAG, "Could not load image from " + url, e);
            }
        }
    }

    return expiring;
}

---

From source file:httpurlconnection.JsonBody.java

@Override
public void writeTo(OutputStream out) throws IOException {
    out.write(data);
    out.flush();

}

---

From source file:com.ghgande.j2mod.modbus.utils.TestUtils.java

/**
 * Convenient way of sending data from an input stream to an output stream
 * in the most efficient way possible//w  ww  .  j a va 2 s.com
 * If the bCloseOutput flag is false, then the output stream remains open
 * so that further writes can be made to the stream
 *
 * @param in           Input stream to read from
 * @param out          Output stream to write to
 * @param closeOutput  True if the output stream should be closed on exit
 * @param ignoreErrors True if this method must not throw any socket errors
 *
 * @throws IOException if an error occurs
 */
public static void pipeInputToOutputStream(InputStream in, OutputStream out, boolean closeOutput,
        boolean ignoreErrors) throws IOException {

    OutputStream bufferedOut = out;
    InputStream bufferedIn = in;

    if (in != null && out != null) {
        try {
            // Buffer the streams if they aren't already

            if (!bufferedOut.getClass().equals(BufferedOutputStream.class)) {
                bufferedOut = new BufferedOutputStream(bufferedOut, DEFAULT_BUFFER_SIZE);
            }
            if (!bufferedIn.getClass().equals(BufferedInputStream.class)) {
                bufferedIn = new BufferedInputStream(bufferedIn, DEFAULT_BUFFER_SIZE);
            }

            // Push the data

            int iTmp;
            while ((iTmp = bufferedIn.read()) != -1) {
                bufferedOut.write((byte) iTmp);
            }
            bufferedOut.flush();
            out.flush();
        } catch (IOException e) {
            if (!ignoreErrors && !(e instanceof java.net.SocketException)) {
                logger.error(e.getMessage());
                throw e;
            } else {
                logger.debug(e.getMessage());
            }
        } finally {
            bufferedIn.close();
            if (closeOutput) {
                bufferedOut.close();
            }
        }
    }
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• 15
• 16
• 17
• 18
• 19
• 20
• 21
• 22
• 23
• 24
• 25
• 26
• 27
• 28
• 29
• 30
• 31
• 32
• 33
• 34
• 35
• 36
• 37
• 38
• 39
• 40
• 41
• 42
• 43
• 44
• 45
• 46
• 47
• 48
• 49
• 50
• »