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 byte[] downloadImageFromURL(String strUrl) throws Exception {
    InputStream in;/*from  w w  w . j  a v a  2 s  . c om*/
    ByteArrayOutputStream out = new ByteArrayOutputStream();
    URL url = new URL(strUrl);
    in = new BufferedInputStream(url.openStream());
    byte[] buf = new byte[2048];
    int n = 0;
    while (-1 != (n = in.read(buf))) {
        out.write(buf, 0, n);
    }
    out.close();
    in.close();
    byte[] response = out.toByteArray();
    FileOutputStream fos = new FileOutputStream("/Users/image.jpg");
    fos.write(response);
    fos.close();
    return response;
}

From source file:Main.java

public static Bitmap revitionImageSize(String path) throws IOException {
    BufferedInputStream in = new BufferedInputStream(new FileInputStream(new File(path)));
    BitmapFactory.Options options = new BitmapFactory.Options();
    options.inJustDecodeBounds = true;/*ww  w  .  java  2 s. c  o  m*/
    BitmapFactory.decodeStream(in, null, options);
    in.close();
    int i = 0;
    Bitmap bitmap = null;
    while (true) {
        if ((options.outWidth >> i <= 1000) && (options.outHeight >> i <= 1000)) {
            in = new BufferedInputStream(new FileInputStream(new File(path)));
            options.inSampleSize = (int) Math.pow(2.0D, i);
            options.inJustDecodeBounds = false;
            bitmap = BitmapFactory.decodeStream(in, null, options);
            break;
        }
        i += 1;
    }
    return bitmap;
}

From source file:Main.java

public static byte[] readFromInputStream(InputStream inputStream) throws IOException {

    if (inputStream == null)
        return null;

    BufferedInputStream bin = new BufferedInputStream(inputStream);
    ByteArrayOutputStream bos = new ByteArrayOutputStream();

    byte[] buffer = new byte[1024 * 8];
    int len = 0;//from w  ww  .j  av a  2  s. c  om

    while ((len = bin.read(buffer)) != -1) {
        bos.write(buffer, 0, len);
    }

    bin.close();

    return bos.toByteArray();
}

From source file:Main.java

public static InputStream openCacheFileForInput(File root, String... path) throws FileNotFoundException {
    return new BufferedInputStream(new FileInputStream(openPath(false, root, path)));
}

From source file:Main.java

public static Bitmap revitionImageSize(String path) {
    Bitmap bitmap = null;/*from   w w w  . jav a2  s  .  com*/
    try {
        BufferedInputStream in = new BufferedInputStream(new FileInputStream(new File(path)));
        BitmapFactory.Options options = new BitmapFactory.Options();
        options.inJustDecodeBounds = true;
        BitmapFactory.decodeStream(in, null, options);
        in.close();
        int i = 0;

        while (true) {
            if ((options.outWidth >> i <= 1000) && (options.outHeight >> i <= 1000)) {
                in = new BufferedInputStream(new FileInputStream(new File(path)));
                options.inSampleSize = (int) Math.pow(2.0D, i);
                options.inJustDecodeBounds = false;
                bitmap = BitmapFactory.decodeStream(in, null, options);
                break;
            }
            i += 1;
        }
    } catch (Exception e) {
        e.printStackTrace();
    }

    return bitmap;
}

From source file:Main.java

public static String getStringFromConnection(HttpURLConnection connection) throws IOException {
    InputStream inputStream = new BufferedInputStream(connection.getInputStream());
    String jsonString = convertStreamToString(inputStream);
    inputStream.close();//from  www  .  ja v a 2  s  . c  o m

    return jsonString;
}

From source file:Util.java

public static byte[] readFile(File file) throws IOException {
    BufferedInputStream bis = new BufferedInputStream(new FileInputStream(file));
    int bytes = (int) file.length();
    byte[] buffer = new byte[bytes];

    int readBytes = bis.read(buffer);
    bis.close();/*from w ww. j  av  a 2s.  co  m*/
    return buffer;
}

From source file:Main.java

private static void compressFile(File file, ZipOutputStream out, String basedir) {
    if (!file.exists()) {
        return;/*  w w  w .  j  a v  a2s.c o  m*/
    }
    try {
        BufferedInputStream bis = new BufferedInputStream(new FileInputStream(file));
        ZipEntry entry = new ZipEntry(basedir + file.getName());
        out.putNextEntry(entry);
        int count;
        byte data[] = new byte[BUFFER];
        while ((count = bis.read(data, 0, BUFFER)) != -1) {
            out.write(data, 0, count);
        }
        bis.close();
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}

From source file:Main.java

public static Bitmap bitmapFromFile(File file) throws FileNotFoundException {
    return BitmapFactory.decodeStream(new BufferedInputStream(new FileInputStream(file)));
}

From source file:MainClass.java

public static String md(String f) throws Exception {
    BufferedInputStream file = new BufferedInputStream(new FileInputStream(f));
    MessageDigest md = MessageDigest.getInstance("MD5");
    DigestInputStream in = new DigestInputStream(file, md);
    int i;//from   w  ww.j a v  a2  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());
}