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:Main.java

public static List<Certificate> loadCertificates(String[] pemEncodedCerts) throws Exception {

    List<Certificate> certList = new ArrayList<>();
    CertificateFactory certFactory = CertificateFactory.getInstance("X.509");

    for (String certPem : pemEncodedCerts) {
        InputStream certIn = new ByteArrayInputStream(certPem.getBytes());
        Certificate cert = certFactory.generateCertificate(certIn);
        certList.add(cert);/*from   www.  j  a  v  a2 s  .  c o m*/
    }

    return certList;
}

From source file:Main.java

public static String getSingleValueFromString(String xmlStr, String xpathStr)
        throws XPathExpressionException, SAXException, IOException {
    InputStream is = new ByteArrayInputStream(xmlStr.getBytes("utf-8"));
    return getSingleValue(is, xpathStr);
}

From source file:Main.java

/**
 * Compresses a GZIP file.//ww  w  . j  a  va  2s. co m
 * 
 * @param bytes
 *            The uncompressed bytes.
 * @return The compressed bytes.
 * @throws IOException
 *             if an I/O error occurs.
 */
public static byte[] gzip(byte[] bytes) throws IOException {
    /* create the streams */
    InputStream is = new ByteArrayInputStream(bytes);
    try {
        ByteArrayOutputStream bout = new ByteArrayOutputStream();
        OutputStream os = new GZIPOutputStream(bout);
        try {
            /* copy data between the streams */
            byte[] buf = new byte[4096];
            int len = 0;
            while ((len = is.read(buf, 0, buf.length)) != -1) {
                os.write(buf, 0, len);
            }
        } finally {
            os.close();
        }

        /* return the compressed bytes */
        return bout.toByteArray();
    } finally {
        is.close();
    }
}

From source file:Main.java

/**
 * Liefert das {@link Document} aus dem Byte-Array.
 * /*w  w  w.  j  a v a  2s . co m*/
 * @param bytes byte[]
 * @return {@link Document}
 * @throws Exception Falls was schief geht.
 */
public static Document getDocument(final byte[] bytes) throws Exception {
    return getDocument(new InputSource(new ByteArrayInputStream(bytes)));
}

From source file:Main.java

/**
 * Descomprime uma string utilizando o GZIP
 * //from  w w  w .j  ava 2 s.c  o  m
 * @param str
 * @param encoding
 * @return
 */
public static String gzipDecompressString(String str, String encoding) {
    String decompressedString = "";

    try {
        byte[] bytes = Base64.decodeBase64(str.getBytes(encoding));
        ByteArrayInputStream bais = new ByteArrayInputStream(bytes);
        GZIPInputStream gzip = new GZIPInputStream(bais);
        Reader reader = new InputStreamReader(gzip, encoding);
        StringBuffer sbuf = new StringBuffer();
        char[] buffer = new char[32 * 1024];
        int nread;
        while ((nread = reader.read(buffer)) >= 0) {
            sbuf.append(buffer, 0, nread);
        }
        decompressedString = sbuf.toString();
        reader.close();
    } catch (Exception e) {
        e.printStackTrace();
    }

    return decompressedString;
}

From source file:Main.java

public static Object toObject(byte[] bytes) {
    Object obj = null;//w w  w .  ja v  a 2 s.c  om
    try {
        ByteArrayInputStream bis = new ByteArrayInputStream(bytes);
        ObjectInputStream ois = new ObjectInputStream(bis);
        obj = ois.readObject();
        ois.close();
        bis.close();
    } catch (Exception ex) {
        ex.printStackTrace();
    }
    return obj;
}

From source file:Main.java

public static Document fromXML(String xml) throws ParserConfigurationException, IOException, SAXException {
    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
    factory.setNamespaceAware(true);//w  ww.  j a  v a2  s . c  om
    factory.setIgnoringElementContentWhitespace(true);
    DocumentBuilder builder = factory.newDocumentBuilder();
    return builder.parse(new ByteArrayInputStream(xml.getBytes("UTF-8")));
}

From source file:Main.java

public static Document createDocument(byte[] data) throws RuntimeException {

    DocumentBuilderFactory f = DocumentBuilderFactory.newInstance();
    InputStream input = null;/*from  w  ww .  j a  v a2 s  .c  o  m*/
    try {
        DocumentBuilder p = f.newDocumentBuilder();
        input = new ByteArrayInputStream(data);
        return p.parse(input);
    } catch (ParserConfigurationException e) {
        throw new RuntimeException(e);
    } catch (SAXException e) {
        throw new RuntimeException(e);
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
}

From source file:Main.java

public static Document getXMLDoc(String response)
        throws ParserConfigurationException, SAXException, IOException {
    DocumentBuilderFactory dbFactory = DocumentBuilderFactory.newInstance();
    DocumentBuilder dBuilder = dbFactory.newDocumentBuilder();
    InputStream is = new ByteArrayInputStream(response.getBytes());
    Document doc = dBuilder.parse(is);
    return doc;//from w  w w  .jav  a2 s.c o  m
}

From source file:Main.java

public static Document parseDocumentByString(String result) {
    try {//from w  w  w  .ja  v  a 2  s  . c  om
        factory.setValidating(false);
        DocumentBuilder builder = factory.newDocumentBuilder();
        return builder.parse(new ByteArrayInputStream(result.getBytes("UTF-8")));
    } catch (Exception ex) {
        ex.printStackTrace();
    }
    return null;
}