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

private static String bytesToString(byte[] bytes) {
    if (bytes == null) {
        return null;
    }//from w  w w .ja  va  2s.c om
    ByteArrayInputStream bais = new ByteArrayInputStream(bytes);
    DataInputStream dis = new DataInputStream(bais);
    String res = "";
    try {
        res = dis.readUTF();
    } catch (IOException ex) {
    } finally {
        try {
            dis.close();
            bais.close();
        } catch (IOException ex1) {
        }
        dis = null;
        bais = null;
    }
    return res;
}

From source file:Main.java

/**
 * Build an XML Document from the data contained in the given String
 * @param data A String containing an XML document
 * @return A Document object equivalent to the XML document in the given String
 *///from www  .j  a  v a2 s. com
public static Document xml(String data) {
    return xml(new ByteArrayInputStream(data.getBytes()));
}

From source file:Main.java

public static X509Certificate fromString(String certificate) throws CertificateException {
    CertificateFactory cf = CertificateFactory.getInstance("X.509");
    return (X509Certificate) cf.generateCertificate(new ByteArrayInputStream(certificate.getBytes()));
}

From source file:Main.java

/**
 *
 * @param xmlContent//  ww  w. j  av a 2 s  . com
 * @param charset
 * @return
 * @throws SAXException
 * @throws IOException
 * @throws ParserConfigurationException
 */
private static Document parse(String xmlContent, Charset charset)
        throws SAXException, IOException, ParserConfigurationException {

    DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory.newInstance();
    documentBuilderFactory.setNamespaceAware(false);
    documentBuilderFactory.setValidating(false);
    DocumentBuilder documentBuilder = documentBuilderFactory.newDocumentBuilder();
    Document document = documentBuilder.parse(new ByteArrayInputStream(xmlContent.getBytes(charset)));

    return document;
}

From source file:Main.java

public static void parseDocumentByString(String result, DefaultHandler defaultHandler) {
    try {/*from  w w  w.j a  v a2 s  .  c o  m*/
        SAXParserFactory sf = SAXParserFactory.newInstance();
        SAXParser sp = sf.newSAXParser();
        sp.parse(new ByteArrayInputStream(result.getBytes("UTF-8")), defaultHandler);
    } catch (Exception ex) {
        ex.printStackTrace();
    }
}

From source file:Main.java

public static String getProcessIdFromBpmn(final String bpmn) {
    String processId = null;//from   w  ww. j  a  va 2s  . c om
    try {
        final DocumentBuilderFactory domFactory = DocumentBuilderFactory.newInstance();
        domFactory.setNamespaceAware(true);
        final Document doc = domFactory.newDocumentBuilder()
                .parse(new ByteArrayInputStream(bpmn.getBytes("UTF-8")));
        final XPath xpath = XPathFactory.newInstance().newXPath();
        xpath.setNamespaceContext(new NamespaceContext() {
            @Override
            public Iterator<?> getPrefixes(final String namespaceURI) {
                // Not used in this context.
                return null;
            }

            @Override
            public String getPrefix(final String namespaceURI) {
                // Not used in this context.
                return null;
            }

            @Override
            public String getNamespaceURI(final String prefix) {
                // Only require the URI for the bpmn2 NS.
                return BPMN2_NAMESPACE_URI;
            }
        });
        final XPathExpression expr = xpath.compile(BPMN_PROCESS_ID_XPATH_EXPR);

        final Node node = (Node) expr.evaluate(doc, XPathConstants.NODE);
        processId = node.getAttributes().getNamedItem(BPMN_PROCESS_ID_ATTR).getNodeValue();
    } catch (final Exception e) {
        e.printStackTrace();
    }
    return processId;
}

From source file:Main.java

public static String prettyFormat(String xml) {
    if (xml == null || xml.isEmpty() || !xml.contains("<")) {
        //          System.out.println("Why?"+xml.startsWith("<", 0));
        return xml;
    }//from   w  ww  . j  av  a 2 s  . co m
    try {
        Transformer serializer = SAXTransformerFactory.newInstance().newTransformer();
        serializer.setOutputProperty(OutputKeys.INDENT, "yes");
        //serializer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes");
        serializer.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "2");
        Source xmlSource = new SAXSource(new InputSource(new ByteArrayInputStream(xml.getBytes())));
        StreamResult res = new StreamResult(new ByteArrayOutputStream());
        serializer.transform(xmlSource, res);
        return new String(((ByteArrayOutputStream) res.getOutputStream()).toByteArray()).replace("><", ">\n<");
    } catch (Exception e) {
        System.out.println("prettyFormat: Error.." + e.getMessage());
        //TODO log error
        return xml.replace("<", "\n<");
        //            return xml.replace("><", ">\n<");
    }
}

From source file:Main.java

static byte[] decompress(byte[] compressed) throws IOException {
    int nRead;/*from  www . j a v  a 2 s. c om*/
    byte[] data = new byte[2048];
    ByteArrayInputStream bis = new ByteArrayInputStream(compressed);
    GZIPInputStream gzip = new GZIPInputStream(bis);
    ByteArrayOutputStream buffer = new ByteArrayOutputStream();

    while ((nRead = gzip.read(data, 0, data.length)) != -1) {
        buffer.write(data, 0, nRead);
    }

    bis.close();
    gzip.close();
    return buffer.toByteArray();
}

From source file:Main.java

public static ArrayList<Node> getNodesXPath(String srcXmlString, String xPath) {
    DocumentBuilderFactory domFactory = DocumentBuilderFactory.newInstance();
    domFactory.setNamespaceAware(false); // never forget this!
    Document doc = null;/* w  w  w .ja  v a  2s .co m*/
    DocumentBuilder builder = null;
    ArrayList<Node> nodesList = new ArrayList<Node>();
    try {
        builder = domFactory.newDocumentBuilder();
        doc = builder.parse(new ByteArrayInputStream(srcXmlString.getBytes()));
        XPathFactory factory = XPathFactory.newInstance();
        XPath xpath = factory.newXPath();
        XPathExpression expr = xpath.compile(xPath);

        Object result = expr.evaluate(doc, XPathConstants.NODESET);

        NodeList xPathNodes = (NodeList) result;
        logger.debug("xpath result count: " + xPathNodes.getLength());
        // iterate through all the nodes
        for (int i = 0; i < xPathNodes.getLength(); i++) {
            nodesList.add(xPathNodes.item(i));
        }
    } catch (Exception ex) {
        logger.error(ex.getMessage());
    }
    return nodesList;
}

From source file:Main.java

static byte[] decompress(byte[] compressed) throws IOException {
    int nRead;/*from www .  jav a  2  s .  c  o m*/
    byte[] data = new byte[2048];
    ByteArrayInputStream bis = new ByteArrayInputStream(compressed);
    GZIPInputStream gzip = new GZIPInputStream(bis);
    ByteArrayOutputStream buffer = new ByteArrayOutputStream();

    while ((nRead = gzip.read(data, 0, data.length)) != -1) {
        buffer.write(data, 0, nRead);
    }

    gzip.close();
    bis.close();
    return buffer.toByteArray();
}