Example usage for java.io BufferedOutputStream flush

Introduction

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

Prototype

@Override
public synchronized void flush() throws IOException 

Source Link

Document

Flushes this buffered output stream.

Usage

From source file:it.greenvulcano.util.bin.BinaryUtils.java

/**
 * Write the content of a <code>byte</code> array into a file on the local
 * filesystem./*w ww  . ja  va  2s  .  co  m*/
 * 
 * @param contentArray
 *        the <code>byte</code> array to be written to file
 * @param filename
 *        the name of the file to be written to
 * @param append
 *        If true the data are appended to existent file
 * @throws IOException
 *         if any I/O error occurs
 */
public static void writeBytesToFile(byte[] contentArray, String filename, boolean append) throws IOException {
    BufferedOutputStream bufOut = null;
    try {
        filename = TextUtils.adjustPath(filename);
        bufOut = new BufferedOutputStream(new FileOutputStream(filename, append), 10240);
        IOUtils.write(contentArray, bufOut);
        bufOut.flush();
    } finally {
        if (bufOut != null) {
            bufOut.close();
        }
    }
}

---

From source file:org.bml.util.CompressUtils.java

/**
 * Extracts a zip | jar | war archive to the specified directory.
 * Uses the passed buffer size for read operations.
 *
 * @param zipFile// w  ww .j a v a 2 s . c  om
 * @param destDir
 * @param bufferSize
 * @throws IOException If there is an issue with the archive file or the file system.
 * @throws NullPointerException if any of the arguments are null.
 * @throws IllegalArgumentException if any of the arguments do not pass the
 * preconditions other than null tests. NOTE: This exception wil not be thrown
 * if this classes CHECKED member is set to false
 *
 * @pre zipFile!=null
 * @pre zipFile.exists()
 * @pre zipFile.canRead()
 * @pre zipFile.getName().matches("(.*[zZ][iI][pP])|(.*[jJ][aA][rR])")
 *
 * @pre destDir!=null
 * @pre destDir.exists()
 * @pre destDir.isDirectory()
 * @pre destDir.canWrite()
 *
 * @pre bufferSize > 0
 */
public static void unzipFilesToPath(final File zipFile, final File destDir, final int bufferSize)
        throws IOException, IllegalArgumentException, NullPointerException {

    //zipFilePath.toLowerCase().endsWith(zipFilePath)
    if (CHECKED) {
        final String userName = User.getSystemUserName();//use cahced if possible
        //zipFile
        Preconditions.checkNotNull(zipFile, "Can not unzip null zipFile");
        Preconditions.checkArgument(zipFile.getName().matches(ZIP_MIME_PATTERN),
                "Zip File at %s does not match the extensions allowed by the regex %s", zipFile,
                ZIP_MIME_PATTERN);
        Preconditions.checkArgument(zipFile.exists(), "Can not unzip file at %s. It does not exist.", zipFile);
        Preconditions.checkArgument(zipFile.canRead(),
                "Can not extract archive with no read permissions. Check File permissions. USER=%s FILE=%s",
                System.getProperty("user.name"), zipFile);
        //destDir
        Preconditions.checkNotNull(destDir, "Can not extract zipFileName=%s to a null destination", zipFile);
        Preconditions.checkArgument(destDir.isDirectory(),
                "Can not extract zipFileName %s to a destination %s that is not a directory", zipFile, destDir);
        Preconditions.checkArgument(destDir.exists(),
                "Can not extract zipFileName %s to a non existant destination %s", zipFile, destDir);
        Preconditions.checkArgument(destDir.canWrite(),
                "Can not extract archive with no write permissions. Check File permissions. USER=%s FILE=%s",
                System.getProperty("user.name"), destDir);
        //bufferSize
        Preconditions.checkArgument(bufferSize > 0,
                "Can not extract archive %s to %s with a buffer size less than 1 size = %s", zipFile, destDir,
                bufferSize);

    }

    final FileInputStream fileInputStream = new FileInputStream(zipFile);
    final ZipInputStream zipInputStream = new ZipInputStream(new BufferedInputStream(fileInputStream));
    final String destBasePath = destDir.getAbsolutePath() + PATH_SEP;

    try {
        ZipEntry zipEntry;
        BufferedOutputStream destBufferedOutputStream;
        int byteCount;
        byte[] data;
        while ((zipEntry = zipInputStream.getNextEntry()) != null) {
            destBufferedOutputStream = new BufferedOutputStream(
                    new FileOutputStream(destBasePath + zipEntry.getName()), bufferSize);
            data = new byte[bufferSize];
            while ((byteCount = zipInputStream.read(data, 0, bufferSize)) != -1) {
                destBufferedOutputStream.write(data, 0, byteCount);
            }
            destBufferedOutputStream.flush();
            destBufferedOutputStream.close();
        }
        fileInputStream.close();
        zipInputStream.close();
    } catch (IOException ioe) {
        if (LOG.isWarnEnabled()) {
            LOG.warn(String.format("IOException caught while unziping archive %s to %s", zipFile, destDir),
                    ioe);
        }
        throw ioe;
    } finally {
        IOUtils.closeQuietly(fileInputStream);
        IOUtils.closeQuietly(zipInputStream);
    }
}

---

From source file:Main.java

public static void compressAFileToZip(File zip, File source) throws IOException {
    Log.d("source: " + source.getAbsolutePath(), ", length: " + source.length());
    Log.d("zip:", zip.getAbsolutePath());
    zip.getParentFile().mkdirs();/*from   w ww  . j a  v  a 2s .c  om*/
    File tempFile = new File(zip.getAbsolutePath() + ".tmp");
    FileOutputStream fos = new FileOutputStream(tempFile);
    BufferedOutputStream bos = new BufferedOutputStream(fos);
    ZipOutputStream zos = new ZipOutputStream(bos);
    ZipEntry zipEntry = new ZipEntry(source.getName());
    zipEntry.setTime(source.lastModified());
    zos.putNextEntry(zipEntry);

    FileInputStream fis = new FileInputStream(source);
    BufferedInputStream bis = new BufferedInputStream(fis);
    byte[] bArr = new byte[4096];
    int byteRead = 0;
    while ((byteRead = bis.read(bArr)) != -1) {
        zos.write(bArr, 0, byteRead);
    }
    zos.flush();
    zos.closeEntry();
    zos.close();
    Log.d("zipEntry: " + zipEntry, "compressedSize: " + zipEntry.getCompressedSize());
    bos.flush();
    fos.flush();
    bos.close();
    fos.close();
    bis.close();
    fis.close();
    zip.delete();
    tempFile.renameTo(zip);
}

---

From source file:com.aurel.track.lucene.util.FileUtil.java

public static void unzipFile(File uploadZip, File unzipDestinationDirectory) throws IOException {
    if (!unzipDestinationDirectory.exists()) {
        unzipDestinationDirectory.mkdirs();
    }/*from  ww  w .  j  a v  a2 s.  co  m*/
    final int BUFFER = 2048;
    // Open Zip file for reading
    ZipFile zipFile = new ZipFile(uploadZip, ZipFile.OPEN_READ);

    // Create an enumeration of the entries in the zip file
    Enumeration zipFileEntries = zipFile.entries();

    // Process each entry
    while (zipFileEntries.hasMoreElements()) {
        // grab a zip file entry
        ZipEntry entry = (ZipEntry) zipFileEntries.nextElement();
        String currentEntry = entry.getName();
        File destFile = new File(unzipDestinationDirectory, currentEntry);
        // grab file's parent directory structure
        File destinationParent = destFile.getParentFile();

        // create the parent directory structure if needed
        destinationParent.mkdirs();

        // extract file if not a directory
        if (!entry.isDirectory()) {
            BufferedInputStream is = new BufferedInputStream(zipFile.getInputStream(entry));
            int currentByte;
            // establish buffer for writing file
            byte data[] = new byte[BUFFER];

            // write the current file to disk
            FileOutputStream fos = new FileOutputStream(destFile);
            BufferedOutputStream dest = new BufferedOutputStream(fos, BUFFER);

            // read and write until last byte is encountered
            while ((currentByte = is.read(data, 0, BUFFER)) != -1) {
                dest.write(data, 0, currentByte);
            }
            dest.flush();
            dest.close();
            is.close();
        }
    }
    zipFile.close();
}

---

From source file:com.atlassian.jira.util.IOUtil.java

/**
 * Copy bytes from an <code>InputStream</code> to an
 * <code>OutputStream</code>, with buffering.
 * This is equivalent to passing a//from www .  j ava  2s  . c o m
 * {@link java.io.BufferedInputStream} and
 * {@link java.io.BufferedOutputStream} to {@link #copy(InputStream, OutputStream)},
 * and flushing the output stream afterwards. The streams are not closed
 * after the copy.
 * @deprecated Buffering streams is actively harmful! See the class description as to why. Use
 * {@link #copy(InputStream, OutputStream)} instead.
 */
public static void bufferedCopy(final InputStream input, final OutputStream output) throws IOException {
    final BufferedInputStream in = new BufferedInputStream(input);
    final BufferedOutputStream out = new BufferedOutputStream(output);
    copy(in, out);
    out.flush();
}

---

From source file:Main.java

public static boolean copyAssetFile(Context context, String originFileName, String destFilePath,
        String destFileName) {/*from  www  .j  a  v a2 s .  co  m*/
    InputStream is = null;
    BufferedOutputStream bos = null;
    try {
        is = context.getAssets().open(originFileName);
        File destPathFile = new File(destFilePath);
        if (!destPathFile.exists()) {
            destPathFile.mkdirs();
        }

        File destFile = new File(destFilePath + File.separator + destFileName);
        if (!destFile.exists()) {
            destFile.createNewFile();
        }

        FileOutputStream fos = new FileOutputStream(destFile);
        bos = new BufferedOutputStream(fos);

        byte[] buffer = new byte[256];
        int length = 0;
        while ((length = is.read(buffer)) > 0) {
            bos.write(buffer, 0, length);
        }
        bos.flush();

        return true;
    } catch (Exception ex) {
        ex.printStackTrace();
    } finally {
        if (null != is) {
            try {
                is.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }

        if (null != bos) {
            try {
                bos.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }

    return false;
}

---

From source file:Main.java

public static void downloadImage(String imageUrl) {
    if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
        Log.d("TAG", "monted sdcard");
    } else {//w  w w  .  j a v a2s . c  om
        Log.d("TAG", "has no sdcard");
    }
    HttpURLConnection con = null;
    FileOutputStream fos = null;
    BufferedOutputStream bos = null;
    BufferedInputStream bis = null;
    File imageFile = null;
    try {
        URL url = new URL(imageUrl);
        con = (HttpURLConnection) url.openConnection();
        con.setConnectTimeout(5 * 1000);
        con.setReadTimeout(15 * 1000);
        con.setDoInput(true);
        con.setDoOutput(true);
        bis = new BufferedInputStream(con.getInputStream());
        imageFile = new File(getImagePath(imageUrl));
        fos = new FileOutputStream(imageFile);
        bos = new BufferedOutputStream(fos);
        byte[] b = new byte[1024];
        int length;
        while ((length = bis.read(b)) != -1) {
            bos.write(b, 0, length);
            bos.flush();
        }
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        try {
            if (bis != null) {
                bis.close();
            }
            if (bos != null) {
                bos.close();
            }
            if (con != null) {
                con.disconnect();
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
    if (imageFile != null) {
    }
}

---

From source file:CB_Core.Api.PocketQuery.java

/**
 * @param AccessToken//from   w w  w  . j  a va2s.c  om
 *            Config.GetAccessToken(true)
 * @param pocketQueryConfig
 *            Config.settings.PocketQueryFolder.getValue()
 * @param PqFolder
 * @return
 */
public static int DownloadSinglePocketQuery(PQ pocketQuery, String PqFolder) {
    HttpGet httpGet = new HttpGet(
            GroundspeakAPI.GS_LIVE_URL + "GetPocketQueryZippedFile?format=json&AccessToken="
                    + GroundspeakAPI.GetAccessToken(true) + "&PocketQueryGuid=" + pocketQuery.GUID);

    try {
        // String result = GroundspeakAPI.Execute(httpGet);
        httpGet.setHeader("Accept", "application/json");
        httpGet.setHeader("Content-type", "application/json");

        // Execute HTTP Post Request
        String result = "";
        HttpClient httpclient = new DefaultHttpClient();
        HttpResponse response = httpclient.execute(httpGet);

        int buffLen = 32 * 1024;
        byte[] buff = new byte[buffLen];
        InputStream inputStream = response.getEntity().getContent();
        int buffCount = inputStream.read(buff, 0, buffLen);
        int buffPos = 0;
        result = ""; // now read from the response until the ZIP Informations are beginning or to the end of stream
        for (int i = 0; i < buffCount; i++) {
            byte c = buff[i];
            result += (char) c;

            if (result.contains("\"ZippedFile\":\"")) { // The stream position represents the beginning of the ZIP block // to have a correct JSON Array we must add a "}} to the
                // result
                result += "\"}}";
                buffPos = i; // Position im Buffer, an der die ZIP-Infos beginnen
                break;
            }
        }

        //
        try
        // Parse JSON Result
        {
            JSONTokener tokener = new JSONTokener(result);
            JSONObject json = (JSONObject) tokener.nextValue();
            JSONObject status = json.getJSONObject("Status");
            if (status.getInt("StatusCode") == 0) {
                GroundspeakAPI.LastAPIError = "";
                SimpleDateFormat postFormater = new SimpleDateFormat("yyyyMMddHHmmss");
                String dateString = postFormater.format(pocketQuery.DateLastGenerated);
                String local = PqFolder + "/" + pocketQuery.Name + "_" + dateString + ".zip";

                // String test = json.getString("ZippedFile");

                FileOutputStream fs;
                fs = new FileOutputStream(local);
                BufferedOutputStream bfs = new BufferedOutputStream(fs);

                try {
                    // int firstZipPos = result.indexOf("\"ZippedFile\":\"") + 14;
                    // int lastZipPos = result.indexOf("\"", firstZipPos + 1) - 1;
                    CB_Utils.Converter.Base64.decodeStreamToStream(inputStream, buff, buffLen, buffCount,
                            buffPos, bfs);
                } catch (Exception ex) {
                }

                // fs.write(resultByte);
                bfs.flush();
                bfs.close();
                fs.close();

                result = null;
                System.gc();

                return 0;
            } else {
                GroundspeakAPI.LastAPIError = "";
                GroundspeakAPI.LastAPIError = "StatusCode = " + status.getInt("StatusCode") + "\n";
                GroundspeakAPI.LastAPIError += status.getString("StatusMessage") + "\n";
                GroundspeakAPI.LastAPIError += status.getString("ExceptionDetails");

                return (-1);
            }

        } catch (JSONException e) {

            e.printStackTrace();
        }
    } catch (ClientProtocolException e) {
        System.out.println(e.getMessage());
        return (-1);
    } catch (IOException e) {
        System.out.println(e.getMessage());
        return (-1);
    }

    return 0;

}

---

From source file:com.panet.imeta.job.entries.getpop.JobEntryGetPOP.java

public static void saveFile(String foldername, String filename, InputStream input) throws IOException {

    // LogWriter log = LogWriter.getInstance();

    if (filename == null) {
        filename = File.createTempFile("xx", ".out").getName(); //$NON-NLS-1$ //$NON-NLS-2$
    }/*from  w w  w. jav  a 2  s  . c o m*/
    // Do no overwrite existing file
    File file = new File(foldername, filename);
    for (int i = 0; file.exists(); i++) {
        file = new File(foldername, filename + i);
    }
    FileOutputStream fos = new FileOutputStream(file);
    BufferedOutputStream bos = new BufferedOutputStream(fos);

    BufferedInputStream bis = new BufferedInputStream(input);
    int aByte;
    while ((aByte = bis.read()) != -1) {
        bos.write(aByte);
    }

    bos.flush();
    bos.close();
    bis.close();
}

---

From source file:com.zlfun.framework.excel.ExcelUtils.java

public static <T> void save(String fileName, String sheetName, Class<T> clazz, List<T> list) {
    try {/*ww w.  j a v  a  2 s  .c  o m*/
        //?
        BufferedOutputStream os = new BufferedOutputStream(new FileOutputStream(fileName));
        write(sheetName, clazz, list, os);
        os.flush();
        os.close();
    } catch (UnsupportedEncodingException ex) {
        Logger.getLogger(ExcelUtils.class.getName()).log(Level.SEVERE, null, ex);
    } catch (IOException ex) {
        Logger.getLogger(ExcelUtils.class.getName()).log(Level.SEVERE, null, ex);
    }

}

---

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