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

/**
 * Compress a String to a zip file that has only one entry like zipName
 * The name shouldn't have .zip//w ww  .  j  a  va2s  .  c o  m
 * 
 * @param content
 * @param fName
 * @throws IOException 
 */
public static void zipAContentAsFileName(String fName, String content, String charset) throws IOException {
    ByteArrayInputStream bais = new ByteArrayInputStream(content.getBytes(charset));
    BufferedInputStream bis = new BufferedInputStream(bais);

    File f = new File(fName);
    File parentFile = f.getParentFile();
    if (!parentFile.exists()) {
        parentFile.mkdirs();
    }
    ZipOutputStream zf = new ZipOutputStream(new BufferedOutputStream(new FileOutputStream(f + ".zip")));

    ZipEntry entry = new ZipEntry(f.getName());
    zf.putNextEntry(entry);
    byte[] barr = new byte[8192];
    int len = 0;
    while ((len = bis.read(barr)) != -1) {
        zf.write(barr, 0, len);
    }
    zf.flush();
    zf.close();
    bis.close();
    bais.close();
}

From source file:Main.java

public static void saveImageToSD(Context ctx, String filePath, Bitmap bitmap, int quality) throws IOException {
    if (bitmap != null) {
        File file = new File(filePath.substring(0, filePath.lastIndexOf(File.separator)));
        if (!file.exists()) {
            file.mkdirs();//from   w w  w.  ja  va2  s .co m
        }
        file = new File(filePath);
        if (!file.exists()) {
            file.createNewFile();
        }
        BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(filePath));
        bitmap.compress(CompressFormat.JPEG, quality, bos);
        bos.flush();
        bos.close();
        if (ctx != null) {
            scanPhoto(ctx, filePath);
        }
    }
}

From source file:Main.java

private static void fileUnZip(ZipInputStream zis, File file) throws FileNotFoundException, IOException {
    java.util.zip.ZipEntry zip = null;
    while ((zip = zis.getNextEntry()) != null) {
        String name = zip.getName();
        File f = new File(file.getAbsolutePath() + File.separator + name);
        if (zip.isDirectory()) {
            f.mkdirs();/*  w  w  w .  java 2  s  .  c  om*/
        } else {
            f.getParentFile().mkdirs();
            f.createNewFile();
            BufferedOutputStream bos = null;
            try {
                bos = new BufferedOutputStream(new FileOutputStream(f));
                byte b[] = new byte[2048];
                int aa = 0;
                while ((aa = zis.read(b)) != -1) {
                    bos.write(b, 0, aa);
                }
                bos.flush();
            } finally {
                bos.close();
            }
            bos.close();
        }
    }

}

From source file:Main.java

public static boolean saveBitmapToSDCard(Bitmap bitmap, String filePath, String fileName) {
    boolean flag = false;
    if (null != bitmap) {
        try {/* www  .  j  av a2s .c om*/
            fileName = fileName + ".jpg";
            File file = new File(filePath);
            if (!file.exists()) {
                file.mkdirs();
            }
            File f = new File(filePath + fileName);
            if (f.exists()) {
                f.delete();
            }
            BufferedOutputStream outputStream = new BufferedOutputStream(new FileOutputStream(f));
            bitmap.compress(CompressFormat.JPEG, 100, outputStream);
            outputStream.flush();
            outputStream.close();
            flag = true;
        } catch (FileNotFoundException e) {
            flag = false;
        } catch (IOException e) {
            flag = false;
        }
    }
    return flag;

}

From source file:Main.java

public static BufferedOutputStream toBufferedOutputStream(OutputStream outputStream) {
    return outputStream instanceof BufferedOutputStream ? (BufferedOutputStream) outputStream
            : new BufferedOutputStream(outputStream);
}

From source file:Main.java

public static File saveBitmap2file(Bitmap bmp) {
    ByteArrayOutputStream stream = new ByteArrayOutputStream();
    bmp.compress(Bitmap.CompressFormat.JPEG, 100, stream);
    byte[] byteArray = stream.toByteArray();

    File imageFile = null;/*from ww  w . j  av a  2 s.com*/
    try {
        imageFile = File.createTempFile("tempImage" + System.currentTimeMillis(), ".png");
    } catch (IOException e) {
        e.printStackTrace();
    }

    FileOutputStream fstream = null;
    try {
        fstream = new FileOutputStream(imageFile);
        BufferedOutputStream bStream = new BufferedOutputStream(fstream);
        bStream.write(byteArray);
        if (bStream != null) {
            bStream.close();
        }
    } catch (IOException e) {
        e.printStackTrace();
    }
    return imageFile;

}

From source file:Main.java

public static boolean copyFile2(File src, File dst) {
    FileInputStream i;//ww w.j ava2  s. c o  m
    try {
        i = new FileInputStream(src);
        BufferedInputStream in = new BufferedInputStream(i);
        FileOutputStream o = new FileOutputStream(dst);
        BufferedOutputStream out = new BufferedOutputStream(o);
        byte[] b = new byte[1024 * 5];
        int len;
        while ((len = in.read(b)) != -1) {
            out.write(b, 0, len);
        }
        out.flush();
        in.close();
        out.close();
        o.close();
        i.close();
        return true;
    } catch (IOException e) {
        e.printStackTrace();
        return false;
    }
}

From source file:MainClass.java

public static void desEncrypt(String f1, String f2) throws Exception {
    SecretKey key = null;//from   w  ww  .  j av  a2  s  .  c  om

    ObjectInputStream keyFile = new ObjectInputStream(new FileInputStream("DESKey.ser"));
    key = (SecretKey) keyFile.readObject();
    keyFile.close();
    Cipher cipher = Cipher.getInstance("DES/ECB/PKCS5Padding");
    cipher.init(Cipher.DECRYPT_MODE, key);
    CipherInputStream in = new CipherInputStream(new BufferedInputStream(new FileInputStream(f1)), cipher);
    BufferedOutputStream out = new BufferedOutputStream(new FileOutputStream(f2));
    int i;
    do {
        i = in.read();
        if (i != -1)
            out.write(i);
    } while (i > 0);
    in.close();
    out.close();
}

From source file:Main.java

public static void saveRgb2Bitmap(IntBuffer buf, String filePath, int width, int height) {
    final int[] pixelMirroredArray = new int[width * height];
    Log.d("TryOpenGL", "Creating " + filePath);
    BufferedOutputStream bos = null;
    try {//from ww  w.  j  a v  a2 s  .  c om
        int[] pixelArray = buf.array();
        // rotate 180 deg with x axis because y is reversed
        for (int i = 0; i < height; i++) {
            for (int j = 0; j < width; j++) {
                pixelMirroredArray[(height - i - 1) * width + j] = pixelArray[i * width + j];
            }
        }
        bos = new BufferedOutputStream(new FileOutputStream(filePath));
        Bitmap bmp = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
        bmp.copyPixelsFromBuffer(IntBuffer.wrap(pixelMirroredArray));
        bmp.compress(Bitmap.CompressFormat.JPEG, 90, bos);
        bmp.recycle();
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        if (bos != null) {
            try {
                bos.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
}

From source file:MainClass.java

public static void blowfishEncrypt(String f1, String f2) throws Exception {
    SecretKey key = null;//from  w  ww .  jav a 2s .com

    ObjectInputStream keyFile = new ObjectInputStream(new FileInputStream("BlowfishKey.ser"));
    key = (SecretKey) keyFile.readObject();
    keyFile.close();
    Cipher cipher = Cipher.getInstance("Blowfish/ECB/PKCS5Padding");
    cipher.init(Cipher.DECRYPT_MODE, key);
    CipherInputStream in = new CipherInputStream(new BufferedInputStream(new FileInputStream(f1)), cipher);
    BufferedOutputStream out = new BufferedOutputStream(new FileOutputStream(f2));
    int i;
    do {
        i = in.read();
        if (i != -1)
            out.write(i);
    } while (i > 0);
    in.close();
    out.close();
}