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 boolean copyFile(final File srcFile, final File saveFile) {
    File parentFile = saveFile.getParentFile();
    if (!parentFile.exists()) {
        if (!parentFile.mkdirs())
            return false;
    }//  ww w  . ja v a2  s  .com

    BufferedInputStream inputStream = null;
    BufferedOutputStream outputStream = null;
    try {
        inputStream = new BufferedInputStream(new FileInputStream(srcFile));
        outputStream = new BufferedOutputStream(new FileOutputStream(saveFile));
        byte[] buffer = new byte[1024 * 4];
        int len;
        while ((len = inputStream.read(buffer)) != -1) {
            outputStream.write(buffer, 0, len);
        }
        outputStream.flush();
    } catch (IOException e) {
        e.printStackTrace();
        return false;
    } finally {
        close(inputStream, outputStream);
    }
    return true;
}

From source file:Main.java

public static Document parseXml(InputStream in) throws IOException, SAXException, ParserConfigurationException {
    DocumentBuilder builder = getBuilder();
    InputStream bin = new BufferedInputStream(in);
    Document ret = builder.parse(new InputSource(bin));
    return ret;/*from ww  w .  j a  v a 2s . com*/
}

From source file:Main.java

public static void copyFile(String sourcePath, String toPath) {
    File sourceFile = new File(sourcePath);
    File targetFile = new File(toPath);
    createDipPath(toPath);/*from   w  ww  .j  a v  a2s. c  o  m*/
    try {
        BufferedInputStream inBuff = null;
        BufferedOutputStream outBuff = null;
        try {
            inBuff = new BufferedInputStream(new FileInputStream(sourceFile));

            outBuff = new BufferedOutputStream(new FileOutputStream(targetFile));

            byte[] b = new byte[1024 * 5];
            int len;
            while ((len = inBuff.read(b)) != -1) {
                outBuff.write(b, 0, len);
            }
            outBuff.flush();
        } finally {
            if (inBuff != null)
                inBuff.close();
            if (outBuff != null)
                outBuff.close();
        }
    } catch (FileNotFoundException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
}

From source file:Main.java

public static byte[] downloadImage(String imageUrl) {
    if (imageUrl.endsWith(".jpg") || imageUrl.endsWith(".bmp") || imageUrl.endsWith(".png")
            || imageUrl.endsWith(".gif")) {
        try {//  w  w w.  j  a v a  2s  .  c om
            URL url = new URL(imageUrl);
            URLConnection urlConn = url.openConnection();
            InputStream is = urlConn.getInputStream();
            BufferedInputStream bis = new BufferedInputStream(is);
            ByteArrayBuffer baf = new ByteArrayBuffer(50);
            int current = 0;

            while ((current = bis.read()) != -1) {
                baf.append((byte) current);
            }

            return baf.toByteArray();
        } catch (MalformedURLException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    return null;
}

From source file:Main.java

public static Document createDocument(File file)
        throws SAXException, ParserConfigurationException, IOException {
    BufferedInputStream bis = new BufferedInputStream(new FileInputStream(file));
    return createDocument(bis);
}

From source file:Main.java

public static boolean copyFile(File src, File tar) throws Exception {
    if (src.isFile()) {
        InputStream is = new FileInputStream(src);
        OutputStream op = new FileOutputStream(tar);
        BufferedInputStream bis = new BufferedInputStream(is);
        BufferedOutputStream bos = new BufferedOutputStream(op);
        byte[] bt = new byte[1024 * 8];
        int len = bis.read(bt);
        while (len != -1) {
            bos.write(bt, 0, len);/*  www  . j  a  v a2  s. c  o  m*/
            len = bis.read(bt);
        }
        bis.close();
        bos.close();
    }
    if (src.isDirectory()) {
        File[] f = src.listFiles();
        tar.mkdir();
        for (int i = 0; i < f.length; i++) {
            copyFile(f[i].getAbsoluteFile(), new File(tar.getAbsoluteFile() + File.separator + f[i].getName()));
        }
    }
    return true;
}

From source file:Main.java

/**
 * parse a certificate file into ArrayList of certificates
 *//*w ww  . j  av a  2s  . c om*/
public static ArrayList<Certificate> readCertificate(File f) throws CertificateException {
    ArrayList<Certificate> certs = new ArrayList<Certificate>();
    CertificateFactory cf = CertificateFactory.getInstance("X.509");
    BufferedInputStream in;
    try {
        in = new BufferedInputStream(new FileInputStream(f));
        while (in.available() > 0) {
            Certificate cert = cf.generateCertificate(in);
            certs.add(cert);
        }
        in.close();
        return certs;
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }
    return null;
}

From source file:Main.java

/**
 * Saves a file from the given URL using HTTPS to the given filename and returns the file
 * @param link URL to file/*w w  w. ja  va  2  s .c  om*/
 * @param fileName Name to save the file
 * @return The file
 * @throws IOException Thrown if any IOException occurs
 */
public static void saveFileFromNetHTTPS(URL link, String fileName) throws IOException {
    HttpsURLConnection con = (HttpsURLConnection) link.openConnection();

    InputStream in = new BufferedInputStream(con.getInputStream());
    ByteArrayOutputStream out = new ByteArrayOutputStream();
    byte[] buf = new byte[1024];
    int n = 0;
    while (-1 != (n = in.read(buf))) {
        out.write(buf, 0, n);
    }
    out.close();
    in.close();
    byte[] response = out.toByteArray();

    File f = new File(fileName);
    if (f.getParentFile() != null) {
        if (f.getParentFile().mkdirs()) {
            System.out.println("Created Directory Structure");
        }
    }

    FileOutputStream fos = new FileOutputStream(f);
    fos.write(response);
    fos.close();
}

From source file:Main.java

public static Bitmap loadBitmap(String url) {
    Log.d(TAG, "Start Load Url : " + url);
    //Bitmap bitmap = null;
    InputStream in = null;/* w  w  w .  j a va2s . c  o m*/
    BufferedOutputStream out = null;
    try {
        in = new BufferedInputStream(new URL(url).openStream());
        final ByteArrayOutputStream dataStream = new ByteArrayOutputStream();
        int nRead;
        byte[] data = new byte[16384];

        while ((nRead = in.read(data, 0, data.length)) != -1) {
            dataStream.write(data, 0, nRead);
        }
        dataStream.flush();
        final byte[] newData = dataStream.toByteArray();
        BitmapFactory.Options options = new BitmapFactory.Options();
        bitmapResult = BitmapFactory.decodeByteArray(newData, 0, newData.length, options);
    } catch (IOException e) {
        Log.e("My fault", "Could not load Bitmap from: " + url);
    } finally {
        if (in != null) {
            try {
                in.close();
            } catch (IOException e) {

                e.printStackTrace();
            }
        }
        if (out != null) {
            try {
                out.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
    return bitmapResult;
}

From source file:Main.java

public static void unZip(String path) {
    int count = -1;
    int index = -1;

    String savepath = "";

    savepath = path.substring(0, path.lastIndexOf("."));
    try {/*from   w ww . ja v  a 2 s . com*/
        BufferedOutputStream bos = null;
        ZipEntry entry = null;
        FileInputStream fis = new FileInputStream(path);
        ZipInputStream zis = new ZipInputStream(new BufferedInputStream(fis));

        while ((entry = zis.getNextEntry()) != null) {
            byte data[] = new byte[buffer];

            String temp = entry.getName();
            index = temp.lastIndexOf("/");
            if (index > -1)
                temp = temp.substring(index + 1);
            String tempDir = savepath + "/zip/";
            File dir = new File(tempDir);
            dir.mkdirs();
            temp = tempDir + temp;
            File f = new File(temp);
            f.createNewFile();

            FileOutputStream fos = new FileOutputStream(f);
            bos = new BufferedOutputStream(fos, buffer);

            while ((count = zis.read(data, 0, buffer)) != -1) {
                bos.write(data, 0, count);
            }

            bos.flush();
            bos.close();
        }

        zis.close();

    } catch (Exception e) {
        e.printStackTrace();
    }
}