Example usage for java.io BufferedOutputStream BufferedOutputStream

Introduction

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

Prototype

public BufferedOutputStream(OutputStream out) 

Source Link

Document

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

Usage

From source file:net.shopxx.util.CompressUtils.java

public static void archive(File[] srcFiles, File destFile, String archiverName) {
    Assert.notNull(destFile);// w  w  w.  j  a  va2  s .  c o m
    Assert.state(!destFile.exists() || destFile.isFile());
    Assert.hasText(archiverName);

    File parentFile = destFile.getParentFile();
    if (parentFile != null) {
        parentFile.mkdirs();
    }
    ArchiveOutputStream archiveOutputStream = null;
    try {
        archiveOutputStream = new ArchiveStreamFactory().createArchiveOutputStream(archiverName,
                new BufferedOutputStream(new FileOutputStream(destFile)));
        if (ArrayUtils.isNotEmpty(srcFiles)) {
            for (File srcFile : srcFiles) {
                if (srcFile == null || !srcFile.exists()) {
                    continue;
                }
                Set<File> files = new HashSet<File>();
                if (srcFile.isFile()) {
                    files.add(srcFile);
                }
                if (srcFile.isDirectory()) {
                    files.addAll(FileUtils.listFilesAndDirs(srcFile, TrueFileFilter.INSTANCE,
                            TrueFileFilter.INSTANCE));
                }
                String basePath = FilenameUtils.getFullPath(srcFile.getCanonicalPath());
                for (File file : files) {
                    try {
                        String entryName = FilenameUtils.separatorsToUnix(
                                StringUtils.substring(file.getCanonicalPath(), basePath.length()));
                        ArchiveEntry archiveEntry = archiveOutputStream.createArchiveEntry(file, entryName);
                        archiveOutputStream.putArchiveEntry(archiveEntry);
                        if (file.isFile()) {
                            InputStream inputStream = null;
                            try {
                                inputStream = new BufferedInputStream(new FileInputStream(file));
                                IOUtils.copy(inputStream, archiveOutputStream);
                            } catch (FileNotFoundException e) {
                                throw new RuntimeException(e.getMessage(), e);
                            } catch (IOException e) {
                                throw new RuntimeException(e.getMessage(), e);
                            } finally {
                                IOUtils.closeQuietly(inputStream);
                            }
                        }
                    } catch (IOException e) {
                        throw new RuntimeException(e.getMessage(), e);
                    } finally {
                        archiveOutputStream.closeArchiveEntry();
                    }
                }
            }
        }
    } catch (ArchiveException e) {
        throw new RuntimeException(e.getMessage(), e);
    } catch (FileNotFoundException e) {
        throw new RuntimeException(e.getMessage(), e);
    } catch (IOException e) {
        throw new RuntimeException(e.getMessage(), e);
    } finally {
        IOUtils.closeQuietly(archiveOutputStream);
    }
}

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From source file:Main.java

private static void extractFile(ZipInputStream in, File outdir, String name) throws IOException {
    byte[] buffer = new byte[4096];

    final File file = new File(outdir, name);
    try (final FileOutputStream fos = new FileOutputStream(file)) {
        try (final BufferedOutputStream out = new BufferedOutputStream(fos)) {
            int count;
            while ((count = in.read(buffer)) != -1) {
                out.write(buffer, 0, count);
            }/*w w w . j a va 2 s  .co  m*/
        }
    }
}

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From source file:Main.java

/**
 * Zips a file at a location and places the resulting zip file at the toLocation.
 * <p/>//from   w ww .  j  ava  2s.  co m
 * Example:
 * zipFileAtPath("downloads/myfolder", "downloads/myFolder.zip");
 * <p/>
 * http://stackoverflow.com/a/14868161
 */
public static void zipFileAtPath(String sourcePath, String toLocation) throws IOException {
    final int BUFFER = 2048;

    File sourceFile = new File(sourcePath);
    FileOutputStream fos = new FileOutputStream(toLocation);
    ZipOutputStream zipOut = new ZipOutputStream(new BufferedOutputStream(fos));

    if (sourceFile.isDirectory()) {
        zipSubFolder(zipOut, sourceFile, sourceFile.getParent().length() + 1); // ??

    } else {
        byte data[] = new byte[BUFFER];
        FileInputStream fis = new FileInputStream(sourcePath);
        BufferedInputStream bis = new BufferedInputStream(fis, BUFFER);

        String lastPathComponent = sourcePath.substring(sourcePath.lastIndexOf("/"));

        ZipEntry zipEntry = new ZipEntry(lastPathComponent);
        zipOut.putNextEntry(zipEntry);

        int count;
        while ((count = bis.read(data, 0, BUFFER)) != -1) {
            zipOut.write(data, 0, count);
        }
    }

    zipOut.close();
}

---

From source file:Main.java

/**
 * Export the given bitmap to the specified {@code File}
 * @param context the context//  w  ww. j  a  v  a 2  s.c  o  m
 * @param bitmap the bitmap to export
 * @param file the file in which to save the view
 */
public static void exportBitmapToFile(@NonNull final Context context, @NonNull final Bitmap bitmap,
        @NonNull final File file) {
    OutputStream outputStream = null;
    try {
        outputStream = new BufferedOutputStream(new FileOutputStream(file, false));
        bitmap.compress(Bitmap.CompressFormat.PNG, COMPRESSION_QUALITY, outputStream);
        outputStream.flush();
    } catch (final IOException e) {
        e.printStackTrace();
    } finally {
        try {
            if (outputStream != null) {
                outputStream.close();
            }
        } catch (IOException e) {
            e.printStackTrace();
            //No Worries
        }
    }
}

---

From source file:Main.java

/**
 * Do an HTTP POST and return the data as a byte array.
 *///w  w  w. j  a  v a2  s.c om
public static byte[] executePost(String url, byte[] data, Map<String, String> requestProperties)
        throws MalformedURLException, IOException {
    HttpURLConnection urlConnection = null;
    try {
        urlConnection = (HttpURLConnection) new URL(url).openConnection();
        urlConnection.setRequestMethod("POST");
        urlConnection.setDoOutput(data != null);
        urlConnection.setDoInput(true);
        if (requestProperties != null) {
            for (Map.Entry<String, String> requestProperty : requestProperties.entrySet()) {
                urlConnection.setRequestProperty(requestProperty.getKey(), requestProperty.getValue());
            }
        }
        urlConnection.connect();
        if (data != null) {
            OutputStream out = new BufferedOutputStream(urlConnection.getOutputStream());
            out.write(data);
            out.close();
        }
        InputStream in = new BufferedInputStream(urlConnection.getInputStream());
        return convertInputStreamToByteArray(in);
    } catch (IOException e) {
        String details;
        if (urlConnection != null) {
            details = "; code=" + urlConnection.getResponseCode() + " (" + urlConnection.getResponseMessage()
                    + ")";
        } else {
            details = "";
        }
        Log.e("ExoplayerUtil", "executePost: Request failed" + details, e);
        throw e;
    } finally {
        if (urlConnection != null) {
            urlConnection.disconnect();
        }
    }
}

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From source file:com.ipcglobal.fredimport.util.FredUtils.java

/**
 * Creates a tar.gz file at the specified path with the contents of the specified directory.
 *
 * @param directoryPath the directory path
 * @param tarGzPath the tar gz path// w  w w  .  j ava  2s .  co m
 * @throws IOException             If anything goes wrong
 */
public static void createTarGzOfDirectory(String directoryPath, String tarGzPath) throws IOException {
    FileOutputStream fOut = null;
    BufferedOutputStream bOut = null;
    GzipCompressorOutputStream gzOut = null;
    TarArchiveOutputStream tOut = null;
    try {
        fOut = new FileOutputStream(new File(tarGzPath));
        bOut = new BufferedOutputStream(fOut);
        gzOut = new GzipCompressorOutputStream(bOut);
        tOut = new TarArchiveOutputStream(gzOut);
        addFileToTarGz(tOut, directoryPath, "/");
    } finally {
        tOut.finish();
        tOut.close();
        gzOut.close();
        bOut.close();
        fOut.close();
    }
}

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From source file:com.oprisnik.semdroid.utils.FileUtils.java

public static void writeObjectToStream(Object object, OutputStream output) throws IOException {
    ObjectOutputStream out = null;
    try {/*from ww w.  j a va2 s.c  o  m*/
        out = new ObjectOutputStream(new BufferedOutputStream(output));
        out.writeObject(object);
        out.flush();
    } finally {
        IOUtils.closeQuietly(out);
    }
}

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From source file:au.org.ala.biocache.util.AlaFileUtils.java

/**
 * Creates a zip file at the specified path with the contents of the specified directory.
 * NB://w w  w.  ja v a  2  s.co  m
 *
 * @param directoryPath The path of the directory where the archive will be created. eg. c:/temp
 * @param zipPath The full path of the archive to create. eg. c:/temp/archive.zip
 * @throws IOException If anything goes wrong
 */
public static void createZip(String directoryPath, String zipPath) throws IOException {
    FileOutputStream fOut = null;
    BufferedOutputStream bOut = null;
    ZipArchiveOutputStream tOut = null;

    try {
        fOut = new FileOutputStream(new File(zipPath));
        bOut = new BufferedOutputStream(fOut);
        tOut = new ZipArchiveOutputStream(bOut);
        addFileToZip(tOut, directoryPath, "");
    } finally {
        tOut.finish();
        tOut.close();
        bOut.close();
        fOut.close();
    }
}

---

From source file:eu.scape_project.arc2warc.utils.ArcUtils.java

/**
 * Read the ARC record content into a byte array. Note that the record
 * content can be only read once, it is "consumed" afterwards.
 *
 * @param arcRecord ARC record./*from   w  ww . j  av a 2s .co m*/
 * @return Content byte array.
 * @throws IOException If content is too large to be stored in a byte array.
 */
public static byte[] arcRecordPayloadToByteArray(ARCRecord arcRecord) throws IOException {
    // Byte point where the content of the ARC record begins
    int contentBegin = (int) arcRecord.getMetaData().getContentBegin();
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    BufferedInputStream buffis = new BufferedInputStream(arcRecord);
    BufferedOutputStream buffos = new BufferedOutputStream(baos);
    byte[] tempBuffer = new byte[BUFFER_SIZE];
    int bytesRead;
    // skip header content
    buffis.skip(contentBegin);
    while ((bytesRead = buffis.read(tempBuffer)) != -1) {
        buffos.write(tempBuffer, 0, bytesRead);
    }
    buffis.close();
    buffos.flush();
    buffos.close();
    return baos.toByteArray();
}

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From source file:Main.java

/**
 * Compress files to a zip/*from  w w  w  .  ja v  a2  s .  c  om*/
 * @param zip
 * @param files
 * @throws IOException 
 */
public static void compressToZip(File zip, File[] files) throws IOException {
    byte data[] = new byte[BUFFER];
    FileOutputStream fozip = new FileOutputStream(zip);
    ZipOutputStream zo = new ZipOutputStream(new BufferedOutputStream(fozip));
    for (int i = 0; i < files.length; i++) {
        System.out.println("Adding:" + files[i]);
        FileInputStream fi = new FileInputStream(files[i]);
        BufferedInputStream origin = new BufferedInputStream(fi, BUFFER);
        ZipEntry zipentry = new ZipEntry(files[i].getName());
        zo.putNextEntry(zipentry);
        int count;
        while ((count = origin.read(data, 0, BUFFER)) != -1) {
            zo.write(data, 0, count);
        }
        origin.close();
    }
    zo.close();
}

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