Example usage for java.io BufferedInputStream BufferedInputStream

Introduction

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

Prototype

public BufferedInputStream(InputStream in)

Source Link

Document

Creates a BufferedInputStream and saves its argument, the input stream in, for later use.

Usage

From source file:Main.java

public static void copyFile(File oldLocation, File newLocation) throws IOException {
    if (oldLocation.exists()) {
        BufferedInputStream reader = new BufferedInputStream(new FileInputStream(oldLocation));
        BufferedOutputStream writer = new BufferedOutputStream(new FileOutputStream(newLocation, false));
        try {//w  w  w  . j av  a2 s . com
            byte[] buff = new byte[8192];
            int numChars;
            while ((numChars = reader.read(buff, 0, buff.length)) != -1) {
                writer.write(buff, 0, numChars);
            }
        } catch (IOException ex) {
            throw new IOException(
                    "IOException when transferring " + oldLocation.getPath() + " to " + newLocation.getPath());
        } finally {
            try {
                if (reader != null) {
                    writer.close();
                    reader.close();
                }
            } catch (IOException ex) {
                Log.e(TAG, "Error closing files when transferring " + oldLocation.getPath() + " to "
                        + newLocation.getPath());
            }
        }
    } else {
        throw new IOException("Old location does not exist when transferring " + oldLocation.getPath() + " to "
                + newLocation.getPath());
    }
}

From source file:Main.java

public static void unzip(File zipFile, File targetDirectory) throws IOException {
    ZipInputStream zis = new ZipInputStream(new BufferedInputStream(new FileInputStream(zipFile)));
    try {//w  ww.ja v a  2 s .  c o m
        ZipEntry ze;
        int count;
        byte[] buffer = new byte[8192];
        while ((ze = zis.getNextEntry()) != null) {
            File file = new File(targetDirectory, ze.getName());
            File dir = ze.isDirectory() ? file : file.getParentFile();
            if (!dir.isDirectory() && !dir.mkdirs())
                throw new FileNotFoundException("Failed to ensure directory: " + dir.getAbsolutePath());
            if (ze.isDirectory())
                continue;
            FileOutputStream fout = new FileOutputStream(file);
            try {
                while ((count = zis.read(buffer)) != -1)
                    fout.write(buffer, 0, count);
            } finally {
                fout.close();
            }
        }
    } finally {
        zis.close();
    }
}

From source file:Main.java

public static Object readBeanFromXml(String path) throws Exception {
    FileInputStream fis = null;//from   w w w. j  a v  a  2 s .  c  o  m
    Object aplicacion = null;
    BufferedInputStream bis = null;
    try {
        fis = new FileInputStream(path);
        bis = new BufferedInputStream(fis);
        XMLDecoder xmlDecoder = new XMLDecoder(bis);
        aplicacion = (Object) xmlDecoder.readObject();

    } catch (FileNotFoundException ex) {
        throw new Exception("File to read not found.", ex);
    } finally {
        if (fis != null) {
            try {
                fis.close();
            } catch (IOException ex) {
                throw new Exception("File to close FileInputStream after read.", ex);
            }
        }

        if (bis != null) {
            try {
                bis.close();
            } catch (IOException ex) {
                throw new Exception("File to close BufferedInputStream after read.", ex);
            }
        }
    }

    return aplicacion;

}

From source file:Main.java

public static byte[] readFile(File file) throws IOException {
    int len = (int) file.length();
    if (len == 0) {
        return new byte[0];
    }/*from  w w  w.j ava 2 s  .  co m*/

    byte[] data = null;
    BufferedInputStream bis = null;
    try {
        FileInputStream fis = new FileInputStream(file);
        bis = new BufferedInputStream(fis);
        data = new byte[len];
        bis.read(data);
    } finally {
        if (bis != null) {
            try {
                bis.close();
            } catch (IOException e) {
            }
        }
    }

    return data;
}

From source file:Main.java

public static Bitmap getBitmap(String biturl) {

    Bitmap bitmap = null;//from ww w  .j a va2  s  .c  om

    try {

        URL url = new URL(biturl);
        URLConnection conn = url.openConnection();
        InputStream in = conn.getInputStream();
        bitmap = BitmapFactory.decodeStream(new BufferedInputStream(in));

    } catch (Exception e) {

        e.printStackTrace();
    }
    return bitmap;

}

From source file:Main.java

static String getDataDir(final Context c) {
    final String defaultDataDir = String.format("%s/.bitcoin", getDir(c).getAbsolutePath());
    try {/*  w  ww.  j  a v a 2s .c o  m*/
        final Properties p = new Properties();
        p.load(new BufferedInputStream(new FileInputStream(getBitcoinConf(c))));
        return p.getProperty("datadir", defaultDataDir);
    } catch (final IOException e) {
        return defaultDataDir;
    }
}

From source file:Main.java

public static void unzip(InputStream fin, String targetPath, Context context) throws IOException {
    ZipInputStream zis = new ZipInputStream(new BufferedInputStream(fin));
    try {// w  w  w.j  av  a2  s  . com
        ZipEntry zipEntry;
        int count;
        byte[] buffer = new byte[8192];
        while ((zipEntry = zis.getNextEntry()) != null) {
            File file = new File(targetPath, zipEntry.getName());
            File dir = zipEntry.isDirectory() ? file : file.getParentFile();
            if (!dir.isDirectory() && !dir.mkdirs()) {
                throw new FileNotFoundException("Failed to get directory: " + dir.getAbsolutePath());
            }
            if (zipEntry.isDirectory()) {
                continue;
            }
            FileOutputStream fout = new FileOutputStream(file);
            try {
                while ((count = zis.read(buffer)) != -1)
                    fout.write(buffer, 0, count);
            } finally {
                fout.close();
            }
            Log.d("TEST", "Unzipped " + file.getAbsolutePath());
        }
    } finally {
        zis.close();
    }
}

From source file:Main.java

public static void saveISToFile(InputStream is, String fileName) throws IOException {
    File file = new File(fileName);
    file.getParentFile().mkdirs();/*from   www .  j av  a  2 s .com*/
    File tempFile = new File(fileName + ".tmp");
    FileOutputStream fos = new FileOutputStream(tempFile);
    BufferedOutputStream bos = new BufferedOutputStream(fos);
    BufferedInputStream bis = new BufferedInputStream(is);
    byte[] barr = new byte[32768];
    int read = 0;
    while ((read = bis.read(barr)) > 0) {
        bos.write(barr, 0, read);
    }
    bis.close();
    bos.flush();
    fos.flush();
    bos.close();
    fos.close();
    file.delete();
    tempFile.renameTo(file);
}

From source file:com.sosee.util.PropertyUtil.java

public static String readValue(String key) {
    Properties props = new Properties();
    try {// w w w . j av  a  2 s.  co m
        InputStream in = new BufferedInputStream(new FileInputStream(getFilePath()));
        props.load(in);
        String value = props.getProperty(key);
        return value == null ? "" : value;
    } catch (Exception e) {
        return "";
    }
}

From source file:Main.java

public static String getResourceText(Context context, int resId) {
    InputStream is = null;/*from w w w. j a  v  a  2s  .  c o  m*/
    BufferedInputStream bis;
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    try {
        is = context.getResources().openRawResource(resId);
        bis = new BufferedInputStream(is);
        int result = bis.read();
        while (result != -1) {
            byte b = (byte) result;
            baos.write(b);
            result = bis.read();
        }
    } catch (IOException e) {
    } finally {
        try {
            if (is != null)
                is.close();
        } catch (IOException e) {
        }
    }
    return baos.toString();
}