Example usage for java.io ByteArrayInputStream ByteArrayInputStream

Introduction

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

Prototype

public ByteArrayInputStream(byte buf[])

Source Link

Document

Creates a ByteArrayInputStream so that it uses buf as its buffer array.

Usage

From source file:org.energyos.espi.common.test.FixtureFactory.java

public static InputStream newInputStream(String fileName) throws IOException {
    return new ByteArrayInputStream(newXML(fileName).getBytes());
}

From source file:Main.java

public static byte[] decrypt(byte[] byteArray, PublicKey publicKey) {
    Cipher cipher = null;//  w  w w .  jav  a  2s . co m

    try {
        cipher = Cipher.getInstance("RSA/ECB/NoPadding");
    } catch (NoSuchAlgorithmException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } catch (NoSuchPaddingException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }

    try {

        cipher.init(Cipher.DECRYPT_MODE, publicKey);

    } catch (InvalidKeyException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }

    ByteArrayInputStream input = new ByteArrayInputStream(byteArray);
    ByteArrayOutputStream output = new ByteArrayOutputStream();

    try {

        while (input.available() != 0) {
            byte[] t0 = new byte[128];
            input.read(t0);
            output.write(cipher.doFinal(t0));
        }

    } catch (IllegalBlockSizeException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } catch (BadPaddingException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }

    return output.toByteArray();
}

From source file:BytesUtil.java

public static Object toObject(byte[] bytes) throws IOException, ClassNotFoundException {
    Object obj = null;/* w  w w  . jav  a 2  s.co m*/
    ByteArrayInputStream bis = null;
    ObjectInputStream ois = null;
    try {
        bis = new ByteArrayInputStream(bytes);
        ois = new ObjectInputStream(bis);
        obj = ois.readObject();
    } finally {
        if (bis != null) {
            bis.close();
        }
        if (ois != null) {
            ois.close();
        }
    }
    return obj;
}

From source file:com.storageroomapp.client.util.FileUtil.java

static public boolean writeStringToFile(File fileToWrite, String text) {
    InputStream is = new ByteArrayInputStream(text.getBytes());
    return writeStreamToFile(fileToWrite, is, true);
}

From source file:Main.java

public static InputStream toInputStream(CharSequence input) {
    return new ByteArrayInputStream(input.toString().getBytes());
}

From source file:Main.java

public static Document getDocument(String xmlString) {
    Document document = null;/*from   w w w .j  av  a  2 s .c  o m*/
    try {
        DocumentBuilder builder = docFactory.newDocumentBuilder();
        document = builder.parse(new ByteArrayInputStream(xmlString.getBytes()));
        document.getDocumentElement().normalize();
    } catch (SAXException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    } catch (ParserConfigurationException e) {
        e.printStackTrace();
    }
    return document;
}

From source file:Main.java

/**
 * Returns a object from the given byte array.
 * // w  ww .j a  v a 2 s.  co  m
 * @param bytes
 *            array to convert
 * @return object
        
 */
public static Object bytesToObject(byte[] bytes) throws IOException, ClassNotFoundException {
    ByteArrayInputStream bais = new ByteArrayInputStream(bytes);
    ObjectInputStream is = new ObjectInputStream(bais);
    return is.readObject();
}

From source file:com.jaspersoft.jasperserver.util.JasperSerializationUtil.java

/**
 * DeSerialize a byte array//from   w w  w.  j  a v  a 2  s  . com
 * @param input
 * @return
 */
public static Object deserialize(byte[] input) {

    Object obj = null;
    Exception exp = null;
    ByteArrayInputStream bais = new ByteArrayInputStream(input);
    JasperObjectInputStream jois = null;
    long startTime = System.currentTimeMillis();
    try {
        if (logger.isDebugEnabled()) {
            logger.debug("Enter deserialize .. Start Time" + System.currentTimeMillis());
        }

        jois = new JasperSerializationUtil().new JasperObjectInputStream(bais);
        obj = jois.readObject();
    } catch (IOException e) {
        exp = e;
    } catch (ClassNotFoundException e) {
        exp = e;
    } finally {
        try {
            if (null != jois) {
                jois.close();
            }
            bais.close();
        } catch (IOException e1) {
        }
        if (logger.isDebugEnabled()) {
            long elapsedTime = System.currentTimeMillis() - startTime;
            logger.debug("Exit deserialize .. Total Time Spent: " + elapsedTime);
        }

        if (null != exp) {
            logger.error(exp.getMessage(), exp);
            throw new RuntimeException(exp);
        }
    }
    return obj;
}

From source file:Main.java

/**
 * Wraps a ByteBuffer in an InputStream. 
 * //  ww  w  .j a va  2  s  .  c o  m
 * @param byteBuffer The ByteBuffer to wrap.
 * 
 * @return An InputStream wrapping the ByteBuffer content.
 */
public static InputStream toStream(ByteBuffer byteBuffer) {
    byte[] bytes = new byte[byteBuffer.remaining()];
    byteBuffer.get(bytes);
    return new ByteArrayInputStream(bytes);
}

From source file:net.orpiske.tcs.utils.compression.Decompressor.java

/**
 * Decompress an array of bytes/*from   w w  w  .ja  va  2 s  .  c o m*/
 * @param bytes the array to decompress
 * @return a String object with the text
 * @throws IOException if unable to decompress it for any reason
 */
public static String decompress(final byte[] bytes) throws IOException {
    ByteArrayInputStream inputStream = new ByteArrayInputStream(bytes);
    InputStream gzipInputStream = new GZIPInputStream(inputStream);

    /**
     * Ok, this should be "smarter". Will fix this, eventually ...
     */
    Reader reader = new InputStreamReader(gzipInputStream, Charset.forName("UTF-8"));

    BufferedReader bufferedReader = new BufferedReader(reader);
    StringBuilder builder = new StringBuilder();

    try {
        char[] buffer = new char[1];

        while (bufferedReader.read(buffer) > 0) {
            builder.append(buffer);
        }

        return builder.toString();
    } finally {
        IOUtils.closeQuietly(gzipInputStream);
        IOUtils.closeQuietly(inputStream);
    }
}