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:cn.isif.util_plus.http.ResponseStream.java

public void readFile(String savePath) throws IOException {
    if (_directResult != null)
        return;//www . j  a v a 2s.  c o  m
    if (baseStream == null)
        return;
    BufferedOutputStream out = null;
    try {
        out = new BufferedOutputStream(new FileOutputStream(savePath));
        BufferedInputStream ins = new BufferedInputStream(baseStream);
        byte[] buffer = new byte[4096];
        int len = 0;
        while ((len = ins.read(buffer)) != -1) {
            out.write(buffer, 0, len);
        }
        out.flush();
    } finally {
        IOUtils.closeQuietly(out);
        IOUtils.closeQuietly(baseStream);
    }
}

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From source file:com.norconex.committer.gsa.XmlOutput.java

private void writeContent(IAddOperation op) throws XMLStreamException, IOException {
    writer.writeStartElement("content");
    BufferedInputStream bufferedInput = null;
    byte[] buffer = new byte[1024 * 1024]; // 1MB
    try {/*from   w  ww  .j  a v  a  2 s .  co m*/
        bufferedInput = new BufferedInputStream(op.getContentStream());
        int bytesRead = 0;
        while ((bytesRead = bufferedInput.read(buffer)) != -1) {
            writer.writeCharacters(new String(buffer, 0, bytesRead));
        }
    } finally {
        IOUtils.closeQuietly(bufferedInput);
    }
    writer.writeEndElement();
}

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From source file:com.panet.imeta.core.xml.XMLHandler.java

/**
 * Convert a XML encoded binary string back to binary format
 * /*from   w ww.j av a2s  .com*/
 * @param string
 *            the (Byte64/GZip) encoded string
 * @return the decoded binary (byte[]) object
 * @throws IOException
 *             In case there is a decoding error
 */
public static byte[] stringToBinary(String string) throws IOException {
    byte[] bytes;
    if (string == null) {
        bytes = new byte[] {};
    } else {
        bytes = Base64.decodeBase64(string.getBytes());
    }
    if (bytes.length > 0) {
        ByteArrayInputStream bais = new ByteArrayInputStream(bytes);
        GZIPInputStream gzip = new GZIPInputStream(bais);
        BufferedInputStream bi = new BufferedInputStream(gzip);
        byte[] result = new byte[] {};

        byte[] extra = new byte[1000000];
        int nrExtra = bi.read(extra);
        while (nrExtra >= 0) {
            // add it to bytes...
            //
            int newSize = result.length + nrExtra;
            byte[] tmp = new byte[newSize];
            for (int i = 0; i < result.length; i++)
                tmp[i] = result[i];
            for (int i = 0; i < nrExtra; i++)
                tmp[result.length + i] = extra[i];

            // change the result
            result = tmp;
            nrExtra = bi.read(extra);
        }
        bytes = result;
        gzip.close();
    }

    return bytes;
}

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From source file:de.betterform.agent.web.servlet.XSLTServlet.java

private StringBuffer generateError(String error) throws IOException, XFormsConfigException {

    String path = WebFactory.getRealPath("forms/incubator/editor", getServletContext());
    File f = new File(path, "callerror.html");
    FileInputStream fs = new FileInputStream(f);
    BufferedInputStream bis = new BufferedInputStream(fs);
    int numBytes = bis.available();
    byte b[] = new byte[numBytes];
    // read the template into a StringBuffer (via a byte array)
    bis.read(b);
    StringBuffer buf = new StringBuffer();
    buf.append(b);//from   w  w w .ja  v a  2  s .  c o m
    int start = buf.indexOf(errorTemplate);
    int end = start + errorTemplate.length();
    // replace placeholder with errormessage
    // (will automatically adjust to take longer or shorter data into account)
    buf.replace(start, end, error);
    return buf;
}

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From source file:github.srlee309.lessWrongBookCreator.scraper.PostSectionExtractor.java

public boolean downloadFileFromURL(String fetchUrl, File outputFile)
        throws IOException, FileNotFoundException, IOException {

    HttpURLConnection c;/*  w  w w  . j  a v  a2s.  co m*/

    //save file       
    URL url = new URL(fetchUrl);
    c = (HttpURLConnection) url.openConnection();

    //set cache and request method settings  
    c.setUseCaches(false);
    c.setDoOutput(false);

    //set other headers  
    c.setRequestProperty("Content-Type", "image/jpeg");
    System.out.println(c.getContentType());
    //connect  
    c.connect();

    BufferedInputStream in = new BufferedInputStream(c.getInputStream());

    OutputStream out = new BufferedOutputStream(new FileOutputStream(outputFile));
    byte[] buf = new byte[256];
    int n = 0;
    while ((n = in.read(buf)) >= 0) {
        out.write(buf, 0, n);
    }
    out.flush();
    out.close();

    return true;
}

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From source file:com.example.base.http.ResponseStream.java

public void readFile(String savePath) throws IOException {
    if (directResult != null)
        return;/* ww  w .j  av a2  s .c o m*/
    if (baseStream == null)
        return;
    FileOutputStream out = null;
    try {
        out = new FileOutputStream(savePath);
        BufferedInputStream ins = new BufferedInputStream(baseStream);
        byte[] buffer = new byte[4096];
        int len = 0;
        while ((len = ins.read(buffer)) != -1) {
            out.write(buffer, 0, len);
        }
        out.flush();
    } finally {
        if (out != null) {
            try {
                out.close();
            } catch (Throwable e) {
            }
        }
        if (baseStream != null) {
            try {
                baseStream.close();
            } catch (Throwable e) {
            }
        }
    }
}

---

From source file:com.teasoft.teavote.util.Signature.java

public boolean verifyFile(String pathToFile) throws FileNotFoundException, NoSuchAlgorithmException,
        NoSuchProviderException, InvalidKeyException, IOException, SignatureException, InvalidKeySpecException {
    File fileToVerify = new File(pathToFile);
    FileInputStream originalFileIs = new FileInputStream(fileToVerify);

    String dataPathToVerify = new ConfigLocation().getConfigPath() + File.separator + "dataToVerify.sql";
    File dataToVerify = new File(dataPathToVerify);
    FileOutputStream fw = new FileOutputStream(dataToVerify);

    //Read the caution message and signature out
    byte[] cautionMsg = new byte[175]; //Caution section occupies 175 bytes
    originalFileIs.read(cautionMsg);/*from w  w w. j  a v  a  2s .c o  m*/

    //Read and Write the rest of the bytes in original file into data to verify
    byte[] buffer = new byte[1024];
    int nRead = 0;
    while ((nRead = originalFileIs.read(buffer)) != -1) {
        fw.write(buffer, 0, nRead);
    }
    //Close originalFileIs and dataToVerify
    originalFileIs.close();
    fw.close();

    //Get signature from caution/signation message
    byte[] sigToVerify = new byte[64];
    for (int i = 0, j = 0; i < cautionMsg.length; i++) {
        if (i >= 106 && i < 170) {
            sigToVerify[j++] = cautionMsg[i];
        }
    }
    //decode signature bytes
    sigToVerify = Base64.decodeBase64(sigToVerify);
    //        sigToVerify = com.sun.org.apache.xml.internal.security.utils.Base64.decode(sigToVerify);

    java.security.Signature sig = java.security.Signature.getInstance("SHA1withDSA", "SUN");
    sig.initVerify(getPublicKey());
    //Get digital signature
    FileInputStream datafis = new FileInputStream(dataPathToVerify);
    BufferedInputStream bufin = new BufferedInputStream(datafis);
    int len;
    while (bufin.available() != 0) {
        len = bufin.read(buffer);
        sig.update(buffer, 0, len);
    }
    bufin.close();
    //Delete fileToVerify
    dataToVerify.delete();
    return sig.verify(sigToVerify);

}

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From source file:com.sharksharding.util.web.http.QueryViewServlet.java

/**
 * ????//from   w  w  w .j  av  a 2  s.  c  o  m
 * 
 * @author gaoxianglong
 * 
 * @param path
 *            ?
 * 
 * @return byte[] ??
 */
protected byte[] initView(String path) {
    byte[] value = null;
    BufferedInputStream reader = null;
    try {
        reader = new BufferedInputStream(QueryViewServlet.class.getClassLoader().getResourceAsStream(path));
        value = new byte[reader.available()];
        reader.read(value);
    } catch (IOException e) {
        throw new FileNotFoundException("can not find config");
    } finally {
        if (null != reader) {
            try {
                reader.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
    return value;
}

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From source file:com.ottogroup.bi.asap.node.server.AsapProcessingNodeServer.java

/**
 * Reads the contents from the referenced files and returns them as array of bytes
 * @param fileName//from   ww  w  .  ja  v a  2 s .co m
 * @return
 * @throws IOException
 */
protected byte[] readFileContents(final String fileName) throws IOException, RequiredInputMissingException {

    if (StringUtils.isBlank(fileName))
        throw new RequiredInputMissingException("Missing required input for parameter 'fileName'");

    ///////////////////////////////////////////////////////////////////////////////////
    // read repo file contents
    BufferedInputStream bis = new BufferedInputStream(new FileInputStream(fileName));
    int read = 0;
    final ByteArrayOutputStream os = new ByteArrayOutputStream();
    byte[] buffer = new byte[1024]; // buffer size
    while ((read = bis.read(buffer)) != -1) {
        os.write(buffer, 0, read);
    }
    bis.close();
    //
    ///////////////////////////////////////////////////////////////////////////////////

    return os.toByteArray();
}

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From source file:ca.christophersaunders.tutorials.sqlite.picasa.PicasaImage.java

private byte[] getBitmapBytesForLocation(String location) {
    try {//from  w  w  w.  j a v a2  s  .c  o  m
        URL thumbnailUrl = new URL(location);
        URLConnection conn = thumbnailUrl.openConnection();

        InputStream is = conn.getInputStream();
        BufferedInputStream bis = new BufferedInputStream(is);

        ByteArrayBuffer imageBytesBuffer = new ByteArrayBuffer(0x2000);
        byte[] buffer = new byte[1024];
        int current = 0;
        while ((current = bis.read(buffer)) != -1) {
            imageBytesBuffer.append(buffer, 0, current);
        }

        byte[] imageBytes = imageBytesBuffer.toByteArray();
        return imageBytes;

    } catch (Exception gottaCatchemAll) {
        Log.w("PicasaImage", "Gotta catch em' all!");
        Log.e("PicasaImage", String.format("Location string was probably bad: %s", location));
        gottaCatchemAll.printStackTrace();
    }
    return new byte[0];
}

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