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:com.twemyeez.picklr.InstallManager.java

public static void unzip() {

    // Firstly get the working directory
    String workingDirectory = Minecraft.getMinecraft().mcDataDir.getAbsolutePath();

    // If it ends with a . then remove it
    if (workingDirectory.endsWith(".")) {
        workingDirectory = workingDirectory.substring(0, workingDirectory.length() - 1);
    }// ww  w .j  a  va2  s.  c  om

    // If it doesn't end with a / then add it
    if (!workingDirectory.endsWith("/") && !workingDirectory.endsWith("\\")) {
        workingDirectory = workingDirectory + "/";
    }

    // Use a test file to see if libraries installed
    File file = new File(workingDirectory + "mods/mp3spi1.9.5.jar");

    // If the libraries are installed, return
    if (file.exists()) {
        System.out.println("Checking " + file.getAbsolutePath());
        System.out.println("Target file exists, so not downloading API");
        return;
    }

    // Now try to download the libraries
    try {

        String location = "http://www.javazoom.net/mp3spi/sources/mp3spi1.9.5.zip";

        // Define the URL
        URL url = new URL(location);

        // Get the ZipInputStream
        ZipInputStream zipInput = new ZipInputStream(new BufferedInputStream((url).openStream()));

        // Use a temporary ZipEntry as a buffer
        ZipEntry zipFile;

        // While there are more file entries
        while ((zipFile = zipInput.getNextEntry()) != null) {
            // Check if it is one of the file names that we want to copy
            Boolean required = false;
            if (zipFile.getName().indexOf("mp3spi1.9.5.jar") != -1) {
                required = true;
            }
            if (zipFile.getName().indexOf("jl1.0.1.jar") != -1) {
                required = true;
            }
            if (zipFile.getName().indexOf("tritonus_share.jar") != -1) {
                required = true;
            }
            if (zipFile.getName().indexOf("LICENSE.txt") != -1) {
                required = true;
            }

            // If it is, then we shall now copy it
            if (!zipFile.getName().replace("MpegAudioSPI1.9.5/", "").equals("") && required) {

                // Get the file location
                String tempFile = new File(zipFile.getName()).getName();

                tempFile = tempFile.replace("LICENSE.txt", "MpegAudioLicence.txt");

                // Initialise the target file
                File targetFile = (new File(
                        workingDirectory + "mods/" + tempFile.replace("MpegAudioSPI1.9.5/", "")));

                // Print a debug/alert message
                System.out.println("Picklr is extracting to " + workingDirectory + "mods/"
                        + tempFile.replace("MpegAudioSPI1.9.5/", ""));

                // Make parent directories if required
                targetFile.getParentFile().mkdirs();

                // If the file does not exist, create it
                if (!targetFile.exists()) {
                    targetFile.createNewFile();
                }

                // Create a buffered output stream to the destination
                BufferedOutputStream destinationOutput = new BufferedOutputStream(
                        new FileOutputStream(targetFile, false), 2048);

                // Store the data read
                int bytesRead;

                // Data buffer
                byte dataBuffer[] = new byte[2048];

                // While there is still data to write
                while ((bytesRead = zipInput.read(dataBuffer, 0, 2048)) != -1) {
                    // Write it to the output stream
                    destinationOutput.write(dataBuffer, 0, bytesRead);
                }

                // Flush the output
                destinationOutput.flush();

                // Close the output stream
                destinationOutput.close();
            }

        }
        // Close the zip input
        zipInput.close();
    } catch (Exception e) {
        e.printStackTrace();
    }

}

---

From source file:com.lushapp.common.web.utils.DownloadUtils.java

public static void download(HttpServletRequest request, HttpServletResponse response, String filePath,
        String displayName) throws IOException {
    File file = new File(filePath);

    if (StringUtils.isEmpty(displayName)) {
        displayName = file.getName();//from  w ww.  j ava2  s . c om
    }

    if (!file.exists() || !file.canRead()) {
        response.setContentType("text/html;charset=utf-8");
        response.getWriter().write("??");
        return;
    }

    response.reset();
    WebUtils.setNoCacheHeader(response);

    response.setContentType("application/x-download");
    response.setContentLength((int) file.length());

    String displayFilename = displayName.substring(displayName.lastIndexOf("_") + 1);
    displayFilename = displayFilename.replace(" ", "_");
    WebUtils.setDownloadableHeader(request, response, displayFilename);
    BufferedInputStream is = null;
    OutputStream os = null;
    try {

        os = response.getOutputStream();
        is = new BufferedInputStream(new FileInputStream(file));
        IOUtils.copy(is, os);
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        IOUtils.closeQuietly(is);
    }
}

---

From source file:com.milaboratory.util.CompressionType.java

private static InputStream createInputStream(CompressionType ct, InputStream is) throws IOException {
    switch (ct) {
    case None://from w ww.ja v  a  2 s  .c  om
        return is;
    case GZIP:
        return new GZIPInputStream(is, 2048);
    case BZIP2:
        CompressorStreamFactory factory = new CompressorStreamFactory();
        try {
            return factory.createCompressorInputStream(CompressorStreamFactory.BZIP2,
                    new BufferedInputStream(is));
        } catch (CompressorException e) {
            throw new IOException(e);
        }
    }
    throw new NullPointerException();
}

---

From source file:de.thischwa.pmcms.server.ServletUtils.java

public static boolean writeFile(HttpServletResponse resp, File reqFile) {
    boolean retVal = false;
    InputStream in = null;/*  w  w w  .  j  av  a 2s. c om*/
    try {
        in = new BufferedInputStream(new FileInputStream(reqFile));
        IOUtils.copy(in, resp.getOutputStream());
        logger.debug("File successful written to servlet response: " + reqFile.getAbsolutePath());
    } catch (FileNotFoundException e) {
        logger.error("Resource not found: " + reqFile.getAbsolutePath());
    } catch (IOException e) {
        logger.error(String.format("Error while rendering [%s]: %s", reqFile.getAbsolutePath(), e.getMessage()),
                e);
    } finally {
        IOUtils.closeQuietly(in);
    }
    return retVal;
}

---

From source file:Main.java

/** Obtiene el flujo de entrada de un fichero (para su lectura) a partir de su URI.
 * @param uri URI del fichero a leer//from   www.ja  v  a  2 s .c  o m
 * @return Flujo de entrada hacia el contenido del fichero
 * @throws IOException Cuando no se ha podido abrir el fichero de datos. */
public static InputStream loadFile(final URI uri) throws IOException {

    if (uri == null) {
        throw new IllegalArgumentException("Se ha pedido el contenido de una URI nula"); //$NON-NLS-1$
    }

    if (uri.getScheme().equals("file")) { //$NON-NLS-1$
        // Es un fichero en disco. Las URL de Java no soportan file://, con
        // lo que hay que diferenciarlo a mano

        // Retiramos el "file://" de la uri
        String path = uri.getSchemeSpecificPart();
        if (path.startsWith("//")) { //$NON-NLS-1$
            path = path.substring(2);
        }
        return new FileInputStream(new File(path));
    }

    // Es una URL
    final InputStream tmpStream = new BufferedInputStream(uri.toURL().openStream());

    // Las firmas via URL fallan en la descarga por temas de Sun, asi que
    // descargamos primero
    // y devolvemos un Stream contra un array de bytes
    final byte[] tmpBuffer = getDataFromInputStream(tmpStream);

    return new java.io.ByteArrayInputStream(tmpBuffer);
}

---

From source file:Main.java

public static byte[] executePost(String url, byte[] data, Map<String, String> requestProperties)
        throws IOException {
    HttpURLConnection urlConnection = null;
    try {/*from   w w w . ja v a  2 s.  c  o m*/
        urlConnection = (HttpURLConnection) new URL(url).openConnection();
        urlConnection.setRequestMethod("POST");
        urlConnection.setDoOutput(data != null);
        urlConnection.setDoInput(true);
        if (requestProperties != null) {
            for (Map.Entry<String, String> requestProperty : requestProperties.entrySet()) {
                urlConnection.setRequestProperty(requestProperty.getKey(), requestProperty.getValue());
            }
        }
        if (data != null) {
            OutputStream out = new BufferedOutputStream(urlConnection.getOutputStream());
            out.write(data);
            out.close();
        }
        InputStream in = new BufferedInputStream(urlConnection.getInputStream());
        return convertInputStreamToByteArray(in);
    } finally {
        if (urlConnection != null) {
            urlConnection.disconnect();
        }
    }
}

---

From source file:de.tudarmstadt.ukp.clarin.webanno.api.dao.ZipUtils.java

/**
 * check if the {@link InputStream} provided is a zip file
 * /*from w  ww .  j  a  v a2 s  .c om*/
 * @param in the stream.
 * @return if it is a ZIP file.
 */
public static boolean isZipStream(InputStream in) {
    if (!in.markSupported()) {
        in = new BufferedInputStream(in);
    }
    boolean isZip = true;
    try {
        in.mark(MAGIC.length);
        for (byte element : MAGIC) {
            if (element != (byte) in.read()) {
                isZip = false;
                break;
            }
        }
        in.reset();
    } catch (IOException e) {
        isZip = false;
    }
    return isZip;
}

---

From source file:Main.java

/**
 * Downloads a file via HTTP(S) GET to the given path. This function cannot be called from the
 * UI thread. Android does not allow it.
 *
 * @param urlString Url to the ressource to download.
 * @param file      file to be written to.
 * @param overwrite if file exists, overwrite?
 * @return flase if download was not successful. If successful, true.
 *///from ww  w .java  2  s .c  o m
private static Boolean fileDownloadHttp(String urlString, File file, Boolean overwrite) {
    HashMap<String, String> result = null;
    URL url = null;
    //        File temp;

    try {
        url = new URL(urlString);

        HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection();
        urlConnection.setRequestMethod("GET");
        urlConnection.setReadTimeout(200000);
        urlConnection.connect();
        InputStream in = new BufferedInputStream(urlConnection.getInputStream());

        FileOutputStream outputStream = new FileOutputStream(file);

        int read = 0;
        byte[] bytes = new byte[1024];

        while ((read = in.read(bytes)) != -1) {
            outputStream.write(bytes, 0, read);
        }

        in.close();
        outputStream.close();
        urlConnection.disconnect();
    } catch (MalformedURLException e) {
        e.printStackTrace();
        return false;
    } catch (IOException e) {
        e.printStackTrace();
        return false;
    }
    Log.d(TAG, "File download: " + file.getAbsolutePath() + url.getFile() + "overwrite " + overwrite
            + "exists? " + file.exists());
    return true;
}

---

From source file:com.threerings.cast.bundle.tools.ComponentBundlerUtil.java

/**
 * Parses the action tileset definitions in the supplied file and puts them into a hash map,
 * keyed on action name.//w w w. j a va2s .c  o  m
 */
public static Map<String, TileSet> parseActionTileSets(File file) throws IOException, SAXException {
    return parseActionTileSets(new BufferedInputStream(new FileInputStream(file)));
}

---

From source file:Main.java

/**
 * Compare the contents of two Streams to determine if they are equal or
 * not.// www  . j  av a2 s  .co  m
 * <p/>
 * This method buffers the input internally using
 * <code>BufferedInputStream</code> if they are not already buffered.
 *
 * @param input1 the first stream
 * @param input2 the second stream
 * @return true if the content of the streams are equal or they both don't
 * exist, false otherwise
 * @throws NullPointerException if either input is null
 * @throws IOException  if an I/O error occurs
 */
public static boolean contentEquals(InputStream input1, InputStream input2) throws IOException {
    if (!(input1 instanceof BufferedInputStream)) {
        input1 = new BufferedInputStream(input1);
    }
    if (!(input2 instanceof BufferedInputStream)) {
        input2 = new BufferedInputStream(input2);
    }

    int ch = input1.read();
    while (EOF != ch) {
        int ch2 = input2.read();
        if (ch != ch2) {
            return false;
        }
        ch = input1.read();
    }

    int ch2 = input2.read();
    return ch2 == EOF;
}

---

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