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:Main.java

public static void downloadImage(String imageUrl) {
    if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
        Log.d("TAG", "monted sdcard");
    } else {//from   ww w.  j  ava2s .com
        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:Main.java

public static boolean saveBitmap(Bitmap bitmap, String file, CompressFormat format) {
    OutputStream os = null;/*from   ww  w  .  j a  va  2  s.co  m*/
    try {
        File f = new File(file);
        if (!f.getParentFile().exists()) {
            f.getParentFile().mkdirs();
        }
        os = new BufferedOutputStream(new FileOutputStream(file));
        if (bitmap.compress(format, 100, os)) {
            os.flush();
            return true;
        }
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        if (os != null) {
            try {
                os.close();
            } catch (IOException e) {
                // do nothing
            }
        }
    }
    return false;
}

From source file:Util.java

/**
 * Writes a serialized version of obj to a given file, compressing it using gzip.
 * @param f File to write to//from w  ww.  j  av  a 2s .  c o m
 * @param obj Object to serialize
 */
public static void writeGzippedObject(File f, Serializable obj) {
    try {
        ObjectOutputStream oos = new ObjectOutputStream(
                new BufferedOutputStream(new GZIPOutputStream(new FileOutputStream(f))));
        oos.writeObject(obj);
        oos.close();
    } catch (IOException e) {
        System.err.println("Exception writing file " + f + ": " + e);
    }
}

From source file:Main.java

/**
 * Copys a document file from one directory to another
 * @param documentPath/*w  w  w  . j  av  a 2s .c  o  m*/
 * @param destPath
 * @param filename
 * @param entityId src file Entity ID
 * @param newEntityId dest file Entity ID
 * @throws IOException
 */
public static void copyDocumentFile(File documentDir, File destDir, String filename, Object entityId,
        Object newEntityId) throws IOException {
    File src = new File(documentDir, filename);
    File dest = new File(destDir, filename);
    if (dest.exists())
        dest.delete();

    byte[] buffer = new byte[4096];
    int read = 0;
    InputStream in = null;
    OutputStream out = null;
    try {
        in = new BufferedInputStream(new FileInputStream(src));
        out = new BufferedOutputStream(new FileOutputStream(dest));
        while (true) {
            read = in.read(buffer);
            if (read == -1) {
                // -1 bedeutet EOF
                break;
            }
            out.write(buffer, 0, read);
        }
    } finally {
        if (in != null) {
            try {
                in.close();
            } finally {
                if (out != null) {
                    out.close();
                }
            }
        }
    }
}

From source file:Main.java

public static void writeByteArray(Context context, byte[] data, String fileName) {

    FileOutputStream outputStream;

    try {// w w  w .jav  a 2s  .  com
        outputStream = context.openFileOutput(fileName, Context.MODE_PRIVATE);
        BufferedOutputStream bos = new BufferedOutputStream(outputStream);
        for (byte s : data) {
            bos.write(s);
        }
        bos.close();
        outputStream.close();

    } catch (Exception e) {
        Log.e(TAG, e.getMessage(), e);
    }
}

From source file:MainClass.java

public static void desEncrypt(String f1, String f2) throws Exception {
    SecretKey key = null;//w ww .  j a v  a  2  s.  co  m
    ObjectInputStream keyFile = new ObjectInputStream(new FileInputStream("DESKey.ser"));
    key = (SecretKey) keyFile.readObject();
    keyFile.close();

    KeyGenerator keygen = KeyGenerator.getInstance("DES");
    key = keygen.generateKey();
    ObjectOutputStream keyFileout = new ObjectOutputStream(new FileOutputStream("DESKey.ser"));
    keyFileout.writeObject(key);
    keyFileout.close();
    Cipher cipher = null;
    cipher = Cipher.getInstance("DES/ECB/PKCS5Padding");
    cipher.init(Cipher.ENCRYPT_MODE, key);
    BufferedInputStream in = new BufferedInputStream(new FileInputStream(f1));

    CipherOutputStream out = new CipherOutputStream(new BufferedOutputStream(new FileOutputStream(f2)), cipher);
    int i;
    do {
        i = in.read();
        if (i != -1)
            out.write(i);
    } while (i != -1);
    in.close();
    out.close();
}

From source file:Main.java

public static void extractEntryContent(ZipInputStream zis, ZipEntry entry, String unzipdir)
        throws IOException, FileNotFoundException {

    String entryFileName = entry.getName();
    String entryPath = unzipdir + File.separator + entryFileName;

    createFile(entryPath);//from   w  ww.  j  av a2s.co  m

    BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(entryPath));

    byte[] buffer = new byte[1024];
    int count = -1;
    while ((count = zis.read(buffer)) != -1) {
        bos.write(buffer, 0, count);
    }

    bos.close();
}

From source file:Main.java

public static boolean copyFile(File fromFile, File toFile) {
    BufferedInputStream bis = null;
    BufferedOutputStream fos = null;
    try {/*from  ww  w .j av a 2 s .  co m*/
        FileInputStream is = new FileInputStream(fromFile);
        bis = new BufferedInputStream(is);
        fos = new BufferedOutputStream(new FileOutputStream(toFile));
        byte[] buf = new byte[2048];
        int i;
        while ((i = bis.read(buf)) != -1) {
            fos.write(buf, 0, i);
        }
        fos.flush();
        return true;
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        try {
            if (bis != null) {
                bis.close();
            }
            if (fos != null) {
                fos.close();
            }
        } catch (IOException e1) {
            e1.printStackTrace();
        }
    }
    return false;
}

From source file:Main.java

public static boolean saveFile(Bitmap bm, String path, Bitmap.CompressFormat format) {
    if (bm == null || path == null)
        return false;
    File myCaptureFile = new File(path);
    if (myCaptureFile.exists()) {
        myCaptureFile.delete();/*w w  w. j ava2 s .  c om*/
    }
    try {
        BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(myCaptureFile));
        bm.compress(format, 80, bos);
        bos.flush();
        bos.close();
        return true;
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }
    return false;
}

From source file:javarestart.Utils.java

static File fetchResourceToTempFile(String resName, String resExt, InputStream from) {
    File temp;/*from ww w  . j  a  v  a  2  s.com*/
    try {
        temp = File.createTempFile(resName, resExt);
    } catch (IOException e) {
        return null;
    }
    temp.deleteOnExit();
    try (BufferedOutputStream os = new BufferedOutputStream(new FileOutputStream(temp))) {
        copy(from, os);
    } catch (IOException e) {
        e.printStackTrace();
        return null;
    }
    return temp;
}