Example usage for java.io OutputStream flush

List of usage examples for java.io OutputStream flush

  1. HOME
  2. Java
  3. java
  4. java.io.*
  5. OutputStream
  6. 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:net.grinder.util.LogCompressUtil.java

/**
 * Uncompress the given the {@link InputStream} into the given {@link OutputStream}.
 * /*from   w w  w  . java 2  s. c  o m*/
 * @param inputStream
 *            input stream of the compressed file
 * @param outputStream
 *            file to be written
 * @param limit
 *            the limit of the output
 */
public static void unCompress(InputStream inputStream, OutputStream outputStream, long limit) {
    ZipInputStream zipInputStream = null;
    try {
        zipInputStream = new ZipInputStream(inputStream);
        byte[] buffer = new byte[COMPRESS_BUFFER_SIZE];
        int count = 0;
        long total = 0;
        checkNotNull(zipInputStream.getNextEntry(), "In zip, it should have at least one entry");
        while ((count = zipInputStream.read(buffer, 0, COMPRESS_BUFFER_SIZE)) != -1) {
            total += count;
            if (total >= limit) {
                break;
            }
            outputStream.write(buffer, 0, count);
        }
        outputStream.flush();
    } catch (IOException e) {
        LOGGER.error("Error occurs while uncompress");
        LOGGER.error("Details", e);
        return;
    } finally {
        IOUtils.closeQuietly(zipInputStream);
    }
}

From source file:de.tbuchloh.kiskis.persistence.PersistenceManager.java

/**
 * saves the file to disc.//from w  ww . jav a  2s. c o m
 * 
 * @param pwd
 *            the associated password or null if it should be stored as plain text.
 * @param createBackup
 *            true, if a copy of the doc should be created.
 * @throws KisKisException
 *             if anything is wrong.
 */
private static void save(final TPMDocument doc, final ICryptoContext ctx, final boolean createBackup)
        throws CryptoException, PersistenceException {
    LOG.debug("saving ctx=" + ctx + ", createBackup=" + createBackup);
    try {
        assert ctx.getFile().equals(doc.getFile());

        final StopWatch w = new StopWatch();

        checkNewAttachments(doc);

        LOG.info("new attachments checked in " + w.reset());

        if (createBackup) {
            createBackup(doc);
            LOG.info("backup created in " + w.reset());
        }

        final ByteArrayOutputStream bos = new ByteArrayOutputStream();
        final XMLWriter writer = new XMLWriter();
        writer.save(doc, bos);

        LOG.info("XML generated in " + w.reset());

        final OutputStream os = new BufferedOutputStream(new FileOutputStream(doc.getFile()));
        ctx.encrypt(bos, os);
        os.flush();
        os.close();

        LOG.info("file written in " + w.reset());

        createNewAttachments(doc);

        LOG.info("new attachments created in " + w.reset());

        deleteOrphanedAttachmentFiles(doc);

        LOG.info("orphaned attachments cleaned in " + w.reset());
    } catch (final IOException e) {
        throw new PersistenceException(e.getMessage(), e);
    }

    // set chmod on unix if possible
    final String chmod = "chmod 600 " + doc.getFile();
    try {
        Runtime.getRuntime().exec(chmod);
    } catch (final IOException e) {
        LOG.info("cannot execute " + chmod + " ! msg=" + e.getMessage());
    }
}

From source file:org.hawkular.agent.monitor.util.Util.java

/**
 * Copies one stream to another, optionally closing the streams.
 *
 * @param input the data to copy/*from ww  w .  j av  a2s .c o m*/
 * @param output where to copy the data
 * @param closeStreams if true input and output will be closed when the method returns
 * @return the number of bytes copied
 * @throws RuntimeException if the copy failed
 */
public static long copyStream(InputStream input, OutputStream output, boolean closeStreams)
        throws RuntimeException {
    long numBytesCopied = 0;
    int bufferSize = BUFFER_SIZE;
    try {
        // make sure we buffer the input
        input = new BufferedInputStream(input, bufferSize);
        byte[] buffer = new byte[bufferSize];
        for (int bytesRead = input.read(buffer); bytesRead != -1; bytesRead = input.read(buffer)) {
            output.write(buffer, 0, bytesRead);
            numBytesCopied += bytesRead;
        }
        output.flush();
    } catch (IOException ioe) {
        throw new RuntimeException("Stream data cannot be copied", ioe);
    } finally {
        if (closeStreams) {
            try {
                output.close();
            } catch (IOException ioe2) {
                // what to do?
            }
            try {
                input.close();
            } catch (IOException ioe2) {
                // what to do?
            }
        }
    }
    return numBytesCopied;
}

From source file:com.fota.Link.sdpApi.java

public static String getNcnInfo(String CTN) throws JDOMException {
    String resultStr = "";
    String logData = "";
    try {/*from  www. j  a  v a 2  s.c o m*/
        String endPointUrl = PropUtil.getPropValue("sdp.oif516.url");

        String strRequest = "<soapenv:Envelope xmlns:soapenv='http://schemas.xmlsoap.org/soap/envelope/' "
                + "xmlns:oas='http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd'"
                + " xmlns:sdp='http://kt.com/sdp'>" + "     <soapenv:Header>" + "         <oas:Security>"
                + "             <oas:UsernameToken>" + "                 <oas:Username>"
                + PropUtil.getPropValue("sdp.id") + "</oas:Username>" + "                 <oas:Password>"
                + PropUtil.getPropValue("sdp.pw") + "</oas:Password>" + "             </oas:UsernameToken>"
                + "         </oas:Security>" + "     </soapenv:Header>"

                + "     <soapenv:Body>" + "         <sdp:getBasicUserInfoAndMarketInfoRequest>"
                + "         <!--You may enterthe following 6 items in any order-->"
                + "             <sdp:CALL_CTN>" + CTN + "</sdp:CALL_CTN>"
                + "         </sdp:getBasicUserInfoAndMarketInfoRequest>\n" + "     </soapenv:Body>\n"
                + "</soapenv:Envelope>";

        logData = "\r\n---------- Get Ncn Req Info start ----------\r\n";
        logData += " get Ncn Req Info - endPointUrl : " + endPointUrl;
        logData += "\r\n get Ncn Req Info - Content-type : text/xml;charset=utf-8";
        logData += "\r\n get Ncn Req Info - RequestMethod : POST";
        logData += "\r\n get Ncn Req Info - xml : " + strRequest;
        logData += "\r\n---------- Get Ncn Req Info end ----------";

        logger.info(logData);

        // connection
        URL url = new URL(endPointUrl);
        HttpURLConnection connection = (HttpURLConnection) url.openConnection();
        connection.setRequestProperty("Content-type", "text/xml;charset=utf-8");
        connection.setRequestMethod("POST");
        connection.setDoOutput(true);
        connection.setDoInput(true);
        connection.connect();

        // output
        OutputStream os = connection.getOutputStream();
        // os.write(strRequest.getBytes(), 0, strRequest.length());
        os.write(strRequest.getBytes("utf-8"));
        os.flush();
        os.close();

        // input
        InputStream is = connection.getInputStream();
        BufferedReader br = new BufferedReader(new InputStreamReader(is, "utf-8"));
        String line = "";
        String resValue = "";
        String parseStr = "";
        while ((line = br.readLine()) != null) {
            System.out.println(line);
            parseStr = line;

        }

        DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
        DocumentBuilder builder = factory.newDocumentBuilder();
        InputSource temp = new InputSource();
        temp.setCharacterStream(new StringReader(parseStr));
        Document doc = builder.parse(temp); //xml?

        NodeList list = doc.getElementsByTagName("*");

        int i = 0;
        Element element;
        String contents;

        String contractNum = "";
        String customerId = "";
        while (list.item(i) != null) {
            element = (Element) list.item(i);
            if (element.hasChildNodes()) {
                contents = element.getFirstChild().getNodeValue();
                System.out.println(element.getNodeName() + " / " + element.getFirstChild().getNodeName());

                if (element.getNodeName().equals("sdp:NS_CONTRACT_NUM")) {
                    //                  resultStr = element.getFirstChild().getNodeValue();
                    contractNum = element.getFirstChild().getNodeValue();
                }
                if (element.getNodeName().equals("sdp:NS_CUSTOMER_ID")) {
                    customerId = element.getFirstChild().getNodeValue();
                }

                //               System.out.println(" >>>>> " + contents);
            }
            i++;
        }

        //         System.out.println("contractNum : " + contractNum + " / cusomerId : " + customerId);

        resultStr = getNcnFromContractnumAndCustomerId(contractNum, customerId);
        //         System.out.println("ncn : " + resultStr);

        //resultStr = resValue;         
        //         resultStr = java.net.URLDecoder.decode(resultStr, "euc-kr");
        connection.disconnect();

    } catch (Exception e) {
        e.printStackTrace();
    }

    return resultStr;
}

From source file:com.jcalvopinam.core.Unzipping.java

private static void joinAndUnzipFile(File inputFile, CustomFile customFile) throws IOException {

    ZipInputStream is = null;//from  w  ww .  j a v a  2 s . co m
    File path = inputFile.getParentFile();

    List<InputStream> fileInputStream = new ArrayList<>();
    for (String fileName : path.list()) {
        if (fileName.startsWith(customFile.getFileName()) && fileName.endsWith(Extensions.ZIP.getExtension())) {
            fileInputStream.add(new FileInputStream(String.format("%s%s", customFile.getPath(), fileName)));
            System.out.println(String.format("File found: %s", fileName));
        }
    }

    if (fileInputStream.size() > 0) {
        String fileNameOutput = String.format("%s%s", customFile.getPath(), customFile.getFileName());
        OutputStream os = new BufferedOutputStream(new FileOutputStream(fileNameOutput));
        try {
            System.out.println("Please wait while the files are joined: ");

            ZipEntry ze;
            for (InputStream inputStream : fileInputStream) {
                is = new ZipInputStream(inputStream);
                ze = is.getNextEntry();
                customFile.setFileName(String.format("%s_%s", REBUILT, ze.getName()));

                byte[] buffer = new byte[CustomFile.BYTE_SIZE];

                for (int readBytes; (readBytes = is.read(buffer, 0, CustomFile.BYTE_SIZE)) > -1;) {
                    os.write(buffer, 0, readBytes);
                    System.out.print(".");
                }
            }
        } finally {
            os.flush();
            os.close();
            is.close();
            renameFinalFile(customFile, fileNameOutput);
        }
    } else {
        throw new FileNotFoundException("Error: The file not exist!");
    }
    System.out.println("\nEnded process!");
}

From source file:net.grinder.util.LogCompressUtils.java

/**
 * Decompress the given the {@link InputStream} into the given {@link OutputStream}.
 *
 * @param inputStream  input stream of the compressed file
 * @param outputStream file to be written
 * @param limit        the limit of the output
 */// www  .  j  av  a  2s  . c o  m
public static void decompress(InputStream inputStream, OutputStream outputStream, long limit) {
    ZipInputStream zipInputStream = null;
    try {
        zipInputStream = new ZipInputStream(inputStream);
        byte[] buffer = new byte[COMPRESS_BUFFER_SIZE];
        int count;
        long total = 0;
        checkNotNull(zipInputStream.getNextEntry(), "In zip, it should have at least one entry");
        do {
            while ((count = zipInputStream.read(buffer, 0, COMPRESS_BUFFER_SIZE)) != -1) {
                total += count;
                if (total >= limit) {
                    break;
                }
                outputStream.write(buffer, 0, count);
            }
        } while (zipInputStream.getNextEntry() != null);
        outputStream.flush();
    } catch (IOException e) {
        LOGGER.error("Error occurs while decompressing {}", e.getMessage());
        LOGGER.debug("Details : ", e);
    } finally {
        IOUtils.closeQuietly(zipInputStream);
    }
}

From source file:Main.java

/**
 * Write the entire contents of the supplied string to the given stream. This method always flushes and closes the stream when
 * finished./*from  w ww. j av  a2s .  co m*/
 * 
 * @param input the content to write to the stream; may be null
 * @param stream the stream to which the content is to be written
 * @throws IOException
 * @throws IllegalArgumentException if the stream is null
 */
public static void write(InputStream input, OutputStream stream) throws IOException {
    boolean error = false;
    try {
        if (input != null) {
            byte[] buffer = new byte[1024];
            try {
                int numRead = 0;
                while ((numRead = input.read(buffer)) > -1) {
                    stream.write(buffer, 0, numRead);
                }
            } finally {
                input.close();
            }
        }
    } catch (IOException e) {
        error = true; // this error should be thrown, even if there is an error flushing/closing stream
        throw e;
    } catch (RuntimeException e) {
        error = true; // this error should be thrown, even if there is an error flushing/closing stream
        throw e;
    } finally {
        try {
            stream.flush();
        } catch (IOException e) {
            if (!error)
                throw e;
        } finally {
            try {
                stream.close();
            } catch (IOException e) {
                if (!error)
                    throw e;
            }
        }
    }
}

From source file:net.orpiske.sdm.lib.net.Downloader.java

private static void copy(final Resource<InputStream> resource, final OutputStream output) throws IOException {
    InputStream input = resource.getPayload();

    long i = 0;/*from ww  w.  j av a2  s  .  c  o  m*/
    long total = resource.getResourceInfo().getSize();

    for (i = 0; i < total; i++) {
        output.write(input.read());

        if ((i % (1024 * 512)) == 0) {
            double percentComplete = 0;

            if (i > 0) {
                percentComplete = i / ((double) total / 100.0);
            } else {
                percentComplete = 0.0;
            }

            System.out.print("\r" + (int) percentComplete + "% complete (" + i + " of " + total + ")");
        }
    }

    System.out.print("\r100% complete (" + i + " of " + total + ")\n");

    output.flush();

}

From source file:com.androidrocks.bex.util.ImageUtilities.java

/**
 * Loads an image from the specified URL with the specified cookie.
 *
 * @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.
 *///from ww  w .  ja  va2 s.co m
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();
                    expiring.bitmap = BitmapFactory.decodeByteArray(data, 0, data.length);
                }
            } catch (IOException e) {
                android.util.Log.e(LOG_TAG, "Could not load image from " + url, e);
            } 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:Files.java

/**
 * Attempt to flush an <tt>OutputStream</tt>.
 *
 * @param stream  <tt>OutputStream</tt> to attempt to flush.
 * @return        <tt>True</tt> if stream was flushed (or stream was null),
 *                or <tt>false</tt> if an exception was thrown.
 *//*from www.  j  a  va  2s  . c  o m*/
public static boolean flush(final OutputStream stream) {
    // do not attempt to close null stream, but return sucess
    if (stream == null) {
        return true;
    }

    boolean success = true;

    try {
        stream.flush();
    } catch (IOException e) {
        success = false;
    }

    return success;
}