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, int size) 

Source Link

Document

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

Usage

From source file:Main.java

public static void unZip(String path) {
    int count = -1;
    int index = -1;

    String savepath = "";

    savepath = path.substring(0, path.lastIndexOf("."));
    try {/*w w w  . ja  va2s.  c o m*/
        BufferedOutputStream bos = null;
        ZipEntry entry = null;
        FileInputStream fis = new FileInputStream(path);
        ZipInputStream zis = new ZipInputStream(new BufferedInputStream(fis));

        while ((entry = zis.getNextEntry()) != null) {
            byte data[] = new byte[buffer];

            String temp = entry.getName();
            index = temp.lastIndexOf("/");
            if (index > -1)
                temp = temp.substring(index + 1);
            String tempDir = savepath + "/zip/";
            File dir = new File(tempDir);
            dir.mkdirs();
            temp = tempDir + temp;
            File f = new File(temp);
            f.createNewFile();

            FileOutputStream fos = new FileOutputStream(f);
            bos = new BufferedOutputStream(fos, buffer);

            while ((count = zis.read(data, 0, buffer)) != -1) {
                bos.write(data, 0, count);
            }

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

        zis.close();

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

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From source file:Main.java

private static void destroyPid(int pid) {

    Process suProcess = null;/*from   w w w .j a  v  a2s  .c o m*/
    PrintStream outputStream = null;
    try {
        suProcess = Runtime.getRuntime().exec("su");
        outputStream = new PrintStream(new BufferedOutputStream(suProcess.getOutputStream(), 8192));
        outputStream.println("kill " + pid);
        outputStream.println("exit");
        outputStream.flush();
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        if (outputStream != null) {
            outputStream.close();
        }
        if (suProcess != null) {
            try {
                suProcess.waitFor();
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        }
    }
}

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From source file:Main.java

private static void writeBitmap(Bitmap bitmap, String path) throws IOException {
    OutputStream out = null;//from w w w. j a  va 2 s.  c o  m
    try {
        File file = new File(path);
        if (file.exists() && file.length() > 0)
            return;
        out = new BufferedOutputStream(new FileOutputStream(file), 4096);
        if (bitmap != null)
            bitmap.compress(CompressFormat.JPEG, 90, out);
    } catch (Exception e) {
        Log.e(TAG, "writeBitmap failed : " + e.getMessage());
    } finally {
        if (out != null) {
            out.close();
        }
    }
}

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From source file:Main.java

/**
 * Load Bitmap from a url//from w  w w .  j  a v a2 s  .  c  o  m
 * @param url   bitmap url to be loaded
 * @return Bitmap object, null if could not be loaded
 */
public static Bitmap loadBitmap(String url) {
    Bitmap bitmap = null;
    InputStream is = null;
    BufferedOutputStream bos = null;
    try {
        is = new BufferedInputStream(new URL(url).openStream(), IO_BUFFER_SIZE);
        final ByteArrayOutputStream baos = new ByteArrayOutputStream();
        bos = new BufferedOutputStream(baos, IO_BUFFER_SIZE);
        copyStream(is, bos);
        bos.flush();
        final byte[] data = baos.toByteArray();
        bitmap = BitmapFactory.decodeByteArray(data, 0, data.length);
    } catch (IOException e) {
        // TODO Auto-generated catch block
        Log.e(TAG, "IOException in loadBitmap");
        e.printStackTrace();
    } catch (OutOfMemoryError e) {
        // TODO Auto-generated catch block
        Log.e(TAG, "OutOfMemoryError in loadBitmap");
        e.printStackTrace();
    } finally {
        closeStream(is);
        closeStream(bos);
    }
    return bitmap;
}

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From source file:Main.java

/**
 * Loads a bitmap from the specified url. This can take a while, so it should not
 * be called from the UI thread.//w  ww. j av  a2  s.  co m
 *
 * @param url The location of the bitmap asset
 *
 * @return The bitmap, or null if it could not be loaded
 */
public static Bitmap loadBitmap(String url) {
    Bitmap bitmap = null;
    InputStream in = null;
    BufferedOutputStream out = null;

    try {
        in = new BufferedInputStream(new URL(url).openStream(), IO_BUFFER_SIZE);

        final ByteArrayOutputStream dataStream = new ByteArrayOutputStream();
        out = new BufferedOutputStream(dataStream, IO_BUFFER_SIZE);
        copy(in, out);
        out.flush();

        final byte[] data = dataStream.toByteArray();
        //            BitmapFactory.Options options = new BitmapFactory.Options();
        //            options.inSampleSize = 2;
        bitmap = BitmapFactory.decodeByteArray(data, 0, data.length);
    } catch (IOException e) {
        Log.e(TAG, "Could not load Bitmap from: " + url);
    } finally {
        closeStream(in);
        closeStream(out);
    }

    return bitmap;
}

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From source file:Main.java

public static void unzipEPub(String inputZip, String destinationDirectory) throws IOException {
    int BUFFER = 2048;
    List zipFiles = new ArrayList();
    File sourceZipFile = new File(inputZip);
    File unzipDestinationDirectory = new File(destinationDirectory);
    unzipDestinationDirectory.mkdir();/*from   ww  w.  ja va  2 s  .co  m*/

    ZipFile zipFile;
    zipFile = new ZipFile(sourceZipFile, ZipFile.OPEN_READ);
    Enumeration zipFileEntries = zipFile.entries();

    // Process each entry
    while (zipFileEntries.hasMoreElements()) {

        ZipEntry entry = (ZipEntry) zipFileEntries.nextElement();
        String currentEntry = entry.getName();
        File destFile = new File(unzipDestinationDirectory, currentEntry);

        if (currentEntry.endsWith(".zip")) {
            zipFiles.add(destFile.getAbsolutePath());
        }

        File destinationParent = destFile.getParentFile();
        destinationParent.mkdirs();

        if (!entry.isDirectory()) {
            BufferedInputStream is = new BufferedInputStream(zipFile.getInputStream(entry));
            int currentByte;
            // buffer for writing file
            byte data[] = new byte[BUFFER];

            FileOutputStream fos = new FileOutputStream(destFile);
            BufferedOutputStream dest = new BufferedOutputStream(fos, BUFFER);

            while ((currentByte = is.read(data, 0, BUFFER)) != -1) {
                dest.write(data, 0, currentByte);
            }
            dest.flush();
            dest.close();
            is.close();

        }

    }
    zipFile.close();

    for (Iterator iter = zipFiles.iterator(); iter.hasNext();) {
        String zipName = (String) iter.next();
        unzipEPub(zipName,
                destinationDirectory + File.separatorChar + zipName.substring(0, zipName.lastIndexOf(".zip")));
    }
}

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From source file:Main.java

/**
 * Uncompresses zipped files//w  ww  .j av a  2  s .  c om
 * @param zippedFile The file to uncompress
 * @param destinationDir Where to put the files
 * @return  list of unzipped files
 * @throws java.io.IOException thrown if there is a problem finding or writing the files
 */
public static List<File> unzip(File zippedFile, File destinationDir) throws IOException {
    int buffer = 2048;

    List<File> unzippedFiles = new ArrayList<File>();

    BufferedOutputStream dest;
    BufferedInputStream is;
    ZipEntry entry;
    ZipFile zipfile = new ZipFile(zippedFile);
    Enumeration e = zipfile.entries();
    while (e.hasMoreElements()) {
        entry = (ZipEntry) e.nextElement();

        is = new BufferedInputStream(zipfile.getInputStream(entry));
        int count;
        byte data[] = new byte[buffer];

        File destFile;

        if (destinationDir != null) {
            destFile = new File(destinationDir, entry.getName());
        } else {
            destFile = new File(entry.getName());
        }

        FileOutputStream fos = new FileOutputStream(destFile);
        dest = new BufferedOutputStream(fos, buffer);
        try {
            while ((count = is.read(data, 0, buffer)) != -1) {
                dest.write(data, 0, count);
            }

            unzippedFiles.add(destFile);
        } finally {
            dest.flush();
            dest.close();
            is.close();
        }
    }

    return unzippedFiles;
}

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From source file:com.streamsets.datacollector.cluster.TarFileCreator.java

public static void createLibsTarGz(List<URL> apiCl, List<URL> containerCL,
        Map<String, List<URL>> streamsetsLibsCl, Map<String, List<URL>> userLibsCL, File staticWebDir,
        File outputFile) throws IOException {
    long now = System.currentTimeMillis() / 1000L;
    FileOutputStream dest = new FileOutputStream(outputFile);
    TarOutputStream out = new TarOutputStream(new BufferedOutputStream(new GZIPOutputStream(dest), 65536));
    // api-lib/*from w w w.j  a v a  2 s.c om*/
    String prefix = ClusterModeConstants.API_LIB;
    out.putNextEntry(new TarEntry(TarHeader.createHeader(prefix, 0L, now, true)));
    addClasspath(prefix, out, apiCl);
    prefix = ClusterModeConstants.CONTAINER_LIB;
    out.putNextEntry(new TarEntry(TarHeader.createHeader(prefix, 0L, now, true)));
    addClasspath(prefix, out, containerCL);
    addLibrary(ClusterModeConstants.STREAMSETS_LIBS, now, out, streamsetsLibsCl);
    addLibrary(ClusterModeConstants.USER_LIBS, now, out, userLibsCL);
    tarFolder(null, staticWebDir.getAbsolutePath(), out);
    out.putNextEntry(new TarEntry(TarHeader.createHeader("libs-common-lib", 0L, now, true)));
    out.flush();
    out.close();
}

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From source file:Main.java

public static String unzip(String filename) throws IOException {
    BufferedOutputStream origin = null;
    String path = null;//from   w  ww. ja  v  a2s .com
    Integer BUFFER_SIZE = 20480;
    if (android.os.Environment.getExternalStorageState().equals(android.os.Environment.MEDIA_MOUNTED)) {

        File flockedFilesFolder = new File(
                Environment.getExternalStorageDirectory() + File.separator + "FlockLoad");
        System.out.println("FlockedFileDir: " + flockedFilesFolder);
        String compressedFile = flockedFilesFolder.toString() + "/" + filename;
        System.out.println("compressed File name:" + compressedFile);
        //String uncompressedFile = flockedFilesFolder.toString()+"/"+"flockUnZip";
        File purgeFile = new File(compressedFile);

        try {
            ZipInputStream zin = new ZipInputStream(new FileInputStream(compressedFile));
            BufferedInputStream bis = new BufferedInputStream(zin);
            try {
                ZipEntry ze = null;
                while ((ze = zin.getNextEntry()) != null) {
                    byte data[] = new byte[BUFFER_SIZE];
                    path = flockedFilesFolder.toString() + "/" + ze.getName();
                    System.out.println("path is:" + path);
                    if (ze.isDirectory()) {
                        File unzipFile = new File(path);
                        if (!unzipFile.isDirectory()) {
                            unzipFile.mkdirs();
                        }
                    } else {
                        FileOutputStream fout = new FileOutputStream(path, false);
                        origin = new BufferedOutputStream(fout, BUFFER_SIZE);
                        try {
                            /* for (int c = bis.read(data, 0, BUFFER_SIZE); c != -1; c = bis.read(data)) {
                            origin.write(c);
                             }
                             */
                            int count;
                            while ((count = bis.read(data, 0, BUFFER_SIZE)) != -1) {
                                origin.write(data, 0, count);
                            }
                            zin.closeEntry();
                        } finally {
                            origin.close();
                            fout.close();

                        }
                    }
                }
            } finally {
                bis.close();
                zin.close();
                purgeFile.delete();
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
        return path;
    }
    return null;
}

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From source file:Main.java

public static void unzip(URL _url, URL _dest, boolean _remove_top) {
    int BUFFER_SZ = 2048;
    File file = new File(_url.getPath());

    String dest = _dest.getPath();
    new File(dest).mkdir();

    try {//from   www.  j a  v a2 s  . co  m
        ZipFile zip = new ZipFile(file);
        Enumeration<? extends ZipEntry> zipFileEntries = zip.entries();

        // Process each entry
        while (zipFileEntries.hasMoreElements()) {
            // grab a zip file entry
            ZipEntry entry = (ZipEntry) zipFileEntries.nextElement();
            String currentEntry = entry.getName();

            if (_remove_top)
                currentEntry = currentEntry.substring(currentEntry.indexOf('/'), currentEntry.length());

            File destFile = new File(dest, currentEntry);
            //destFile = new File(newPath, destFile.getName());
            File destinationParent = destFile.getParentFile();

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

            if (!entry.isDirectory()) {
                BufferedInputStream is;
                is = new BufferedInputStream(zip.getInputStream(entry));
                int currentByte;
                // establish buffer for writing file
                byte data[] = new byte[BUFFER_SZ];

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

                // read and write until last byte is encountered
                while ((currentByte = is.read(data, 0, BUFFER_SZ)) != -1) {
                    dst.write(data, 0, currentByte);
                }
                dst.flush();
                dst.close();
                is.close();
            }
            /*
            if (currentEntry.endsWith(".zip"))
            {
            // found a zip file, try to open
            extractFolder(destFile.getAbsolutePath());
            }*/
        }
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }

}

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