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

static public String downloadFile(String downloadUrl, String fileName, String dir) throws IOException {
    URL url = new URL(downloadUrl);
    HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection();
    urlConnection.setRequestMethod("GET");
    urlConnection.setDoOutput(true);/*from  w  w w .  j  ava  2s  .c  o m*/
    urlConnection.connect();
    int code = urlConnection.getResponseCode();
    if (code > 300 || code == -1) {
        throw new IOException("Cannot read url: " + downloadUrl);
    }
    String filePath = prepareFilePath(fileName, dir);
    String tmpFilePath = prepareTmpFilePath(fileName, dir);
    FileOutputStream fileOutput = new FileOutputStream(tmpFilePath);
    BufferedInputStream inputStream = new BufferedInputStream(urlConnection.getInputStream());
    byte[] buffer = new byte[1024];
    int bufferLength;
    while ((bufferLength = inputStream.read(buffer)) > 0) {
        fileOutput.write(buffer, 0, bufferLength);
    }
    fileOutput.close();
    // move tmp to destination
    copyFile(new File(tmpFilePath), new File(filePath));
    return filePath;
}

From source file:Main.java

/**
 * Method to save audio file to SD card//  w w w .  j a  v  a 2 s. c  o  m
 * @param course_title, title of course
 * @param format, the file format, for example .mp3, .txt
 */
public static boolean copyToStorage(File source_file, String course_title, String format) {

    File output_file = getEmptyFileWithStructuredPath(course_title, format);

    try {
        byte[] buffer = new byte[4096];
        int bytesToHold;

        BufferedInputStream bis = new BufferedInputStream(new FileInputStream(source_file));
        BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(output_file));

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

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

        return true;

    } catch (FileNotFoundException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }

    return false;
}

From source file:Main.java

/**
 * //from www  . jav  a 2 s  .  c o m
 * @param zipFile
 *            zip file
 * @param folderName
 *            folder to load
 * @return list of entry in the folder
 * @throws ZipException
 * @throws IOException
 */
public static List<ZipEntry> loadFiles(File zipFile, String folderName) throws ZipException, IOException {
    Log.d("loadFiles", folderName);
    long start = System.currentTimeMillis();
    FileInputStream fis = new FileInputStream(zipFile);
    BufferedInputStream bis = new BufferedInputStream(fis);
    ZipInputStream zis = new ZipInputStream(bis);

    ZipEntry zipEntry = null;
    List<ZipEntry> list = new LinkedList<ZipEntry>();
    String folderLowerCase = folderName.toLowerCase();
    int counter = 0;
    while ((zipEntry = zis.getNextEntry()) != null) {
        counter++;
        String zipEntryName = zipEntry.getName();
        Log.d("loadFiles.zipEntry.getName()", zipEntryName);
        if (zipEntryName.toLowerCase().startsWith(folderLowerCase) && !zipEntry.isDirectory()) {
            list.add(zipEntry);
        }
    }
    Log.d("Loaded 1", counter + " files, took: " + (System.currentTimeMillis() - start) + " milliseconds.");
    zis.close();
    bis.close();
    fis.close();
    return list;
}

From source file:Main.java

public static void copyFile(File in, File out) throws IOException {
    // avoids copying a file to itself
    if (in.equals(out)) {
        return;/*from  w  w  w . jav  a2  s  .co  m*/
    }
    // ensure the output file location exists
    out.getCanonicalFile().getParentFile().mkdirs();

    BufferedInputStream fis = new BufferedInputStream(new FileInputStream(in));
    BufferedOutputStream fos = new BufferedOutputStream(new FileOutputStream(out));

    // a temporary buffer to read into
    byte[] tmpBuffer = new byte[8192];
    int len = 0;
    while ((len = fis.read(tmpBuffer)) != -1) {
        // add the temp data to the output
        fos.write(tmpBuffer, 0, len);
    }
    // close the input stream
    fis.close();
    // close the output stream
    fos.flush();
    fos.close();
}

From source file:com.l1j5.web.common.utils.ImageUtils.java

public static void createThumbnail(String load, String save, String type, int w, int h) {

    try {/* w w w  . ja v  a 2 s  .  c  om*/
        BufferedInputStream stream_file = new BufferedInputStream(new FileInputStream(load));
        createThumbnail(stream_file, save, type, w, h);
    } catch (Exception e) {
        log.error(e);
    }

}

From source file:com.digitallizard.bbcnewsreader.resource.web.HtmlParser.java

/**
 * @param args/*  w w w  . jav  a 2s. co  m*/
 * @throws IOException
 * @throws ClientProtocolException
 */
public static byte[] getPage(String stringUrl) throws Exception {
    URL url = new URL(stringUrl);
    URLConnection connection = url.openConnection();

    InputStream stream = connection.getInputStream();
    BufferedInputStream inputbuffer = new BufferedInputStream(stream);

    ByteArrayBuffer arraybuffer = new ByteArrayBuffer(50);
    int current = 0;
    while ((current = inputbuffer.read()) != -1) {
        arraybuffer.append((byte) current);
    }
    return arraybuffer.toByteArray();
}

From source file:Main.java

public static SocketFactory getSocketFactoryWithCustomCA(InputStream stream) throws CertificateException,
        KeyStoreException, IOException, NoSuchAlgorithmException, KeyManagementException {

    // Load CAs from an InputStream
    // (could be from a resource or ByteArrayInputStream or ...)
    CertificateFactory cf = CertificateFactory.getInstance("X.509");

    InputStream caInput = new BufferedInputStream(stream);
    Certificate ca;//www  . j  a  v  a  2 s. co m
    try {
        ca = cf.generateCertificate(caInput);
        System.out.println("ca=" + ((X509Certificate) ca).getSubjectDN());
    } finally {
        try {
            caInput.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    // Create a KeyStore containing our trusted CAs
    String keyStoreType = KeyStore.getDefaultType();
    KeyStore keyStore = KeyStore.getInstance(keyStoreType);
    keyStore.load(null, null);
    keyStore.setCertificateEntry("ca", ca);

    // Create a TrustManager that trusts the CAs in our KeyStore
    String tmfAlgorithm = TrustManagerFactory.getDefaultAlgorithm();
    TrustManagerFactory tmf = TrustManagerFactory.getInstance(tmfAlgorithm);
    tmf.init(keyStore);

    // Create an SSLContext that uses our TrustManager
    SSLContext context = SSLContext.getInstance("TLS");
    context.init(null, tmf.getTrustManagers(), null);

    return context.getSocketFactory();
}

From source file:Main.java

static public InputStream loadImage(String url) {
    HttpURLConnection connection = null;
    InputStream is = null;/* w w w.  j  a v  a  2  s.  c o m*/

    try {
        connection = (HttpURLConnection) new URL(url).openConnection();
        connection.setConnectTimeout(15000);

        is = new BufferedInputStream(connection.getInputStream());
    } catch (IOException ioe) {
        ioe.printStackTrace();
    }

    return is;
}

From source file:Main.java

public static Object unmarshall(String cntxtPkg, File xmlFile) throws JAXBException, SAXException, IOException {
    return unmarshall(cntxtPkg, new BufferedInputStream(new FileInputStream(xmlFile)));
}

From source file:Main.java

public static String accessToFlashAir(String uri) throws IOException {
    URL url = new URL(uri);
    HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection();

    String result = null;/* w w  w  . j av  a  2s.c o  m*/
    try {
        InputStream in = new BufferedInputStream(urlConnection.getInputStream());
        result = inputStreamToString(in);
        in.close();
    } finally {
        urlConnection.disconnect();
    }

    return result;
}