Example usage for java.io BufferedInputStream read

Introduction

In this page you can find the example usage for java.io BufferedInputStream read.

Prototype

public int read(byte b[]) throws IOException 

Source Link

Document

Reads up to b.length bytes of data from this input stream into an array of bytes.

Usage

From source file:edu.du.penrose.systems.util.HttpClientUtils.java

/**
 * Get file from URL, directories are created and files overwritten.
 * /*from   w w  w.  j a  v  a2  s. c o m*/
 * 
 * @deprecated use  org.apache.commons.io.FileUtils.copyURLToFile(URL, File)
 * @param requestUrl
 * @param outputPathAndFileName
 *
 * @return int request status code OR -1 if an exception occurred
 */
static public int getToFile(String requestUrl, String outputPathAndFileName) {
    int resultStatus = -1;

    File outputFile = new File(outputPathAndFileName);
    String outputPath = outputFile.getAbsolutePath().replace(outputFile.getName(), "");
    File outputDir = new File(outputPath);
    if (!outputDir.exists()) {
        outputDir.mkdir();
    }

    HttpClient client = new HttpClient();

    //   client.getState().setCredentials(
    //         new AuthScope("localhost", 7080, null ),
    //         new UsernamePasswordCredentials("nation", "nationPW") 
    //     );
    //   client.getParams().setAuthenticationPreemptive(true);

    HttpMethod method = new GetMethod(requestUrl);

    //   method.setDoAuthentication( true );   
    //  client.getParams().setAuthenticationPreemptive(true);

    // Execute and print response
    try {

        OutputStream os = new FileOutputStream(outputFile);

        client.executeMethod(method);
        InputStream is = method.getResponseBodyAsStream();
        BufferedInputStream bis = new BufferedInputStream(is);

        byte[] bytes = new byte[8192]; // reading as chunk of 8192 bytes
        int count = bis.read(bytes);
        while (count != -1 && count <= 8192) {
            os.write(bytes, 0, count);
            count = bis.read(bytes);
        }
        bis.close();
        os.close();
        resultStatus = method.getStatusCode();

    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        method.releaseConnection();
    }

    return resultStatus;
}

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From source file:eu.scape_project.arc2warc.utils.ArcUtils.java

/**
 * Read the ARC record content into a byte array. Note that the record
 * content can be only read once, it is "consumed" afterwards.
 *
 * @param arcRecord ARC record./*from ww  w.  j  a  va  2 s .com*/
 * @return Content byte array.
 * @throws IOException If content is too large to be stored in a byte array.
 */
public static byte[] arcRecordPayloadToByteArray(ARCRecord arcRecord) throws IOException {
    // Byte point where the content of the ARC record begins
    int contentBegin = (int) arcRecord.getMetaData().getContentBegin();
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    BufferedInputStream buffis = new BufferedInputStream(arcRecord);
    BufferedOutputStream buffos = new BufferedOutputStream(baos);
    byte[] tempBuffer = new byte[BUFFER_SIZE];
    int bytesRead;
    // skip header content
    buffis.skip(contentBegin);
    while ((bytesRead = buffis.read(tempBuffer)) != -1) {
        buffos.write(tempBuffer, 0, bytesRead);
    }
    buffis.close();
    buffos.flush();
    buffos.close();
    return baos.toByteArray();
}

---

From source file:net.heroicefforts.viable.android.rep.it.auth.Authenticate.java

private static String readResponse(HttpResponse response) throws IOException {
    InputStream instream = response.getEntity().getContent();
    Header contentEncoding = response.getFirstHeader("Content-Encoding");
    if (Config.LOGV) //NOPMD
        if (contentEncoding != null) //NOPMD
            Log.v(TAG, "Response content encoding was '" + contentEncoding.getValue() + "'");
    if (contentEncoding != null && contentEncoding.getValue().equalsIgnoreCase("gzip")) {
        if (Config.LOGD)
            Log.d(TAG, "Handling GZIP response.");
        instream = new GZIPInputStream(instream);
    }/*  ww w .j av  a2  s  .co m*/

    BufferedInputStream bis = new BufferedInputStream(instream);
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    byte[] buf = new byte[1024];
    int read = 0;
    while ((read = bis.read(buf)) > 0)
        baos.write(buf, 0, read);
    String body = baos.toString();
    if (Config.LOGV)
        Log.v(TAG, "Response:  " + body);
    return body;
}

---

From source file:edu.du.penrose.systems.util.HttpClientUtils.java

/**
 * Appends response form URL to a StringBuffer
 * // w  w w.j  av a 2s .  co m
 * @param requestUrl
 * @param resultStringBuffer
 * @return int request status code OR -1 if an exception occurred
 */
static public int getAsString(String requestUrl, StringBuffer resultStringBuffer) {
    HttpClient client = new HttpClient();

    //   client.getState().setCredentials(
    //         new AuthScope("localhost", 7080, null ),
    //         new UsernamePasswordCredentials("nation", "nationPW") 
    //     );
    //   client.getParams().setAuthenticationPreemptive(true);

    HttpMethod method = new GetMethod(requestUrl);

    // method.setDoAuthentication( true );   
    // client.getParams().setAuthenticationPreemptive(true);

    // Execute and print response
    try {
        client.executeMethod(method);
        InputStream is = method.getResponseBodyAsStream();
        BufferedInputStream bis = new BufferedInputStream(is);

        String datastr = null;
        byte[] bytes = new byte[8192]; // reading as chunk of 8192 bytes
        int count = bis.read(bytes);
        while (count != -1 && count <= 8192) {
            datastr = new String(bytes, 0, count);
            resultStringBuffer.append(datastr);
            count = bis.read(bytes);
        }
        bis.close();

    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        method.releaseConnection();
    }

    return method.getStatusCode();
}

---

From source file:Main.java

public static File getFileFromCacheOrURL(File cacheDir, URL url) throws IOException {
    Log.i(TAG, "getFileFromCacheOrURL(): url = " + url.toExternalForm());

    String filename = url.getFile();
    int lastSlashPos = filename.lastIndexOf('/');
    String fileNameNoPath = new String(lastSlashPos == -1 ? filename : filename.substring(lastSlashPos + 1));

    File file = new File(cacheDir, fileNameNoPath);

    if (file.exists()) {
        if (file.length() > 0) {
            Log.i(TAG, "File exists in cache as: " + file.getAbsolutePath());
            return file;
        } else {//from   www  .ja v  a 2  s  .c  o m
            Log.i(TAG, "Deleting zero length file " + file.getAbsolutePath());
            file.delete();
        }
    }

    Log.i(TAG, "File " + file.getAbsolutePath() + " does not exists.");

    URLConnection ucon = url.openConnection();
    ucon.setReadTimeout(5000);
    ucon.setConnectTimeout(30000);

    InputStream is = ucon.getInputStream();
    BufferedInputStream inStream = new BufferedInputStream(is, 1024 * 5);
    FileOutputStream outStream = new FileOutputStream(file);
    byte[] buff = new byte[5 * 1024];

    // Read bytes (and store them) until there is nothing more to read(-1)
    int len;
    while ((len = inStream.read(buff)) != -1) {
        outStream.write(buff, 0, len);
    }

    // Clean up
    outStream.flush();
    outStream.close();
    inStream.close();
    return file;
}

---

From source file:gov.nih.nci.ncicb.tcga.dcc.qclive.common.logging.ArchiveLoggerImplDBUnitSlowTest.java

private static String readFileAsString(String filePath) throws java.io.IOException {

    String result = null;// w  w w . j  a v  a2  s  .c om
    BufferedInputStream f = null;

    try {
        byte[] buffer = new byte[(int) new File(filePath).length()];
        //noinspection IOResourceOpenedButNotSafelyClosed
        f = new BufferedInputStream(new FileInputStream(filePath));
        f.read(buffer);
        result = new String(buffer);
    } finally {
        IOUtils.closeQuietly(f);
    }

    return result;
}

---

From source file:com.useekm.types.AbstractGeo.java

public static byte[] gunzip(byte[] bytes) {
    try {//ww  w . ja v a  2s .  c o  m
        ByteArrayInputStream bis = new ByteArrayInputStream(bytes);
        BufferedInputStream bufis = new BufferedInputStream(new GZIPInputStream(bis));
        ByteArrayOutputStream bos = new ByteArrayOutputStream();
        byte[] buf = new byte[1024];
        int len;
        while ((len = bufis.read(buf)) > 0)
            bos.write(buf, 0, len);
        byte[] result = bos.toByteArray();
        bufis.close();
        bos.close();
        return result;
    } catch (IOException e) {
        throw new IllegalStateException("Unexpected IOException on inmemory gunzip", e);
    }
}

---

From source file:Main.java

public static void downLoadFile(final String strUrl, final String fileURL, final int bufferLength) {
    BufferedInputStream in = null;
    BufferedOutputStream out = null;
    try {/*from ww  w. ja  v  a2 s .c  o m*/

        in = new BufferedInputStream(new URL(strUrl).openStream());
        File img = new File(fileURL);
        out = new BufferedOutputStream(new FileOutputStream(img));
        byte[] buf = new byte[bufferLength];
        int count = in.read(buf);
        while (count != -1) {
            out.write(buf, 0, count);
            count = in.read(buf);
        }
        in.close();
        out.close();

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

    }

}

---

From source file:Main.java

public static void copyFile(File sourceFile, File targetFile) throws IOException {
    BufferedInputStream inBuff = null;
    BufferedOutputStream outBuff = null;
    try {/*from  w  w w.  j  a  va2 s. c om*/
        inBuff = new BufferedInputStream(new FileInputStream(sourceFile));
        outBuff = new BufferedOutputStream(new FileOutputStream(targetFile));
        byte[] buffer = new byte[BUFFER];
        int length;
        while ((length = inBuff.read(buffer)) != -1) {
            outBuff.write(buffer, 0, length);
        }
        outBuff.flush();
    } finally {
        if (inBuff != null) {
            inBuff.close();
        }
        if (outBuff != null) {
            outBuff.close();
        }
    }
}

---

From source file:Main.java

public static String getBinaryHash(File apk, String algo) {
    FileInputStream fis = null;/*w w w . j  a  v a2  s .com*/
    BufferedInputStream bis = null;
    try {
        MessageDigest md = MessageDigest.getInstance(algo);
        fis = new FileInputStream(apk);
        bis = new BufferedInputStream(fis);

        byte[] dataBytes = new byte[524288];
        int nread = 0;

        while ((nread = bis.read(dataBytes)) != -1)
            md.update(dataBytes, 0, nread);

        byte[] mdbytes = md.digest();
        return toHexString(mdbytes);
    } catch (IOException e) {
        Log.e("FDroid", "Error reading \"" + apk.getAbsolutePath() + "\" to compute " + algo + " hash.");
        return null;
    } catch (NoSuchAlgorithmException e) {
        Log.e("FDroid", "Device does not support " + algo + " MessageDisgest algorithm");
        return null;
    } finally {
        closeQuietly(fis);
    }
}

---

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