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:MainClass.java

public static String md(String f) throws Exception {
    BufferedInputStream file = new BufferedInputStream(new FileInputStream(f));
    MessageDigest md = MessageDigest.getInstance("SHA-1");
    DigestInputStream in = new DigestInputStream(file, md);
    int i;//from   w ww. jav a 2  s.  co m
    byte[] buffer = new byte[BUFFER_SIZE];
    do {
        i = in.read(buffer, 0, BUFFER_SIZE);
    } while (i == BUFFER_SIZE);
    md = in.getMessageDigest();
    in.close();

    return new String(md.digest());
}

From source file:Main.java

public static void copy(InputStream in, OutputStream out) throws IOException {
    if (!(in instanceof BufferedInputStream)) {
        in = new BufferedInputStream(in);
    }//from  www  .  j  a  va 2  s. c o  m
    if (!(out instanceof BufferedOutputStream)) {
        out = new BufferedOutputStream(out);
    }
    int len = 0;
    byte[] buffer = new byte[1024];
    while ((len = in.read(buffer)) != -1) {
        out.write(buffer, 0, len);
    }
    out.flush();
}

From source file:Main.java

public static Document load(InputStream stream) {
    try {//from ww  w  . j ava  2s.co m
        BufferedInputStream bs = new BufferedInputStream(stream);
        bs.mark(1);

        if (-1 == bs.read())
            return null;

        bs.reset();
        return newDocumentBuilder().parse(bs);
    } catch (Exception e) {
        return null;
    }
}

From source file:Main.java

public static Bitmap downloadImage(String urlStr) throws IOException {
    URL url = new URL(urlStr);
    URLConnection connection = url.openConnection();
    BufferedInputStream bis = new BufferedInputStream(connection.getInputStream());
    Bitmap result = BitmapFactory.decodeStream(bis);
    bis.close();// w  ww.j a  v  a  2 s.c o  m
    return result;
}

From source file:Main.java

public static Object convertByteArrayToObject(byte[] bytes) throws IOException, ClassNotFoundException {
    ObjectInputStream is = null;/*from   w w w.j  a v a2s  . c o m*/
    ByteArrayInputStream byteArrayInputStream = new ByteArrayInputStream(bytes);
    is = new ObjectInputStream(new BufferedInputStream(byteArrayInputStream));
    Object obj = is.readObject();
    is.close();
    return obj;

}

From source file:Main.java

static boolean isTestnet(final Context c) {
    try {/*from w  w w  .ja  va2  s.c  o m*/
        final Properties p = new Properties();
        p.load(new BufferedInputStream(new FileInputStream(getBitcoinConf(c))));
        return p.getProperty("testnet", p.getProperty("regtest", "0")).equals("1");
    } catch (final IOException e) {
        return false;
    }
}

From source file:Main.java

public static String readFromFile(String file) {
    try {//from w ww .  j a  v a2 s  . c o m
        File f = new File(file);

        if (!f.exists() || !f.canRead()) {
            return null;
        }

        BufferedInputStream ipt = new BufferedInputStream(new FileInputStream(f));

        byte[] buf = new byte[512];
        StringBuilder sb = new StringBuilder();

        while (ipt.available() > 0) {
            int len = ipt.read(buf, 0, 512);
            sb.append(new String(buf, 0, len, "UTF-8"));
        }

        ipt.close();
        return sb.toString();
    } catch (Exception e) {
        return null;
    }
}

From source file:Main.java

public static Image getImage(Class relativeClass, String filename) {
    Image returnValue = null;/*from   www . j a v  a  2 s .  co  m*/
    InputStream is = relativeClass.getResourceAsStream(filename);
    if (is != null) {
        BufferedInputStream bis = new BufferedInputStream(is);
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        try {
            int ch;
            while ((ch = bis.read()) != -1) {
                baos.write(ch);
            }
            Toolkit t = Toolkit.getDefaultToolkit();
            returnValue = t.createImage(baos.toByteArray());
        } catch (IOException exception) {
            System.err.println("Error loading: " + filename);
        }
    }
    return returnValue;
}

From source file:Main.java

public static byte[] readFile(File f) throws IOException {
    FileInputStream fis = new FileInputStream(f);
    try {//w w  w  .  j  a v a2  s .  c  o m
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        BufferedInputStream bis = new BufferedInputStream(fis);
        int ch;
        while ((ch = bis.read()) >= 0) {
            baos.write(ch);
        }
        baos.flush();
        return baos.toByteArray();
    } finally {
        fis.close();
    }
}

From source file:Main.java

public static boolean contentEquals(InputStream input1, InputStream input2) throws IOException {
    if (!(input1 instanceof BufferedInputStream)) {
        input1 = new BufferedInputStream((InputStream) input1);
    }//w  w w. ja  va  2  s  .com

    if (!(input2 instanceof BufferedInputStream)) {
        input2 = new BufferedInputStream((InputStream) input2);
    }

    int ch2;
    for (int ch = ((InputStream) input1).read(); -1 != ch; ch = ((InputStream) input1).read()) {
        ch2 = ((InputStream) input2).read();
        if (ch != ch2) {
            return false;
        }
    }

    ch2 = ((InputStream) input2).read();
    return ch2 == -1;
}