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 void main(String[] args) throws Exception {

    String xml = "<metadata><codes class = 'class1'>" + "<code code='ABC'>" + "<detail x='blah blah'/>"
            + "</code>" + "</codes>" + "<codes class = 'class2'>" + "<code code = '123'>"
            + "<detail x='blah blah'/></code></codes></metadata>";

    DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
    DocumentBuilder db = dbf.newDocumentBuilder();
    Document doc = db.parse(new ByteArrayInputStream(xml.getBytes()));

    XPath xPath = XPathFactory.newInstance().newXPath();
    XPathExpression expr = xPath.compile("//codes/code[@code ='ABC']");
    Object result = expr.evaluate(doc, XPathConstants.NODESET);

    NodeList nodes = (NodeList) result;
    System.out.println(nodes.getLength() > 0 ? "Yes" : "No");
    for (int i = 0; i < nodes.getLength(); i++) {
        System.out.println("nodes: " + nodes.item(i).getNodeValue());
    }//from  www.  j  av a 2s .  com
}

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From source file:Main.java

public static void main(final String[] args) throws Exception {
    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
    factory.setNamespaceAware(true);/*from  w w  w  .j av  a2s . com*/
    DocumentBuilder builder = factory.newDocumentBuilder();

    Document doc = builder.parse(new ByteArrayInputStream(( //
    "<?xml version=\"1.0\"?>" + //
            "<people>" + //
            "<person><name>First Person Name</name></person>" + //
            "<person><name>Second Person Name</name></person>" + //
            "</people>" //
    ).getBytes()));

    String fragment = "<name>Changed Name</name>";
    Document fragmentDoc = builder.parse(new ByteArrayInputStream(fragment.getBytes()));

    Node injectedNode = doc.adoptNode(fragmentDoc.getFirstChild());

    XPath xPath = XPathFactory.newInstance().newXPath();
    XPathExpression expr = xPath.compile("//people/person[2]/name");
    Element nodeFound = (Element) expr.evaluate(doc, XPathConstants.NODE);

    Node parentNode = nodeFound.getParentNode();
    parentNode.removeChild(nodeFound);
    parentNode.appendChild(injectedNode);

    DOMSource domSource = new DOMSource(doc);
    Transformer transformer = TransformerFactory.newInstance().newTransformer();
    StreamResult result = new StreamResult(new StringWriter());
    transformer.transform(domSource, result);
    System.out.println(result.getWriter().toString());
}

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From source file:Main.java

public static void main(String[] args) throws Exception {
    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");
    serializer.setOutputProperty("{http://xml.customer.org/xslt}indent-amount", "2");
    Source xmlSource = new SAXSource(new InputSource(
            new ByteArrayInputStream("<a><b><c/><d>text D</d><e value='0'/></b></a>".getBytes())));
    StreamResult res = new StreamResult(new ByteArrayOutputStream());
    serializer.transform(xmlSource, res);
    System.out.println(new String(((ByteArrayOutputStream) res.getOutputStream()).toByteArray()));
}

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From source file:Main.java

public static void main(String[] args) throws Exception {
    String xml = "<root>" + "<ctc:BasePrice>" + "<cgc:PriceAmount currencyID='EUR'>18.75</cgc:PriceAmount>"
            + "<cgc:BaseQuantity quantityUnitCode='EA'>1</cgc:BaseQuantity>" + "</ctc:BasePrice>"
            + "<ctc:BasePrice>" + "<cgc:PriceAmount currencyID='EUR'>18.25</cgc:PriceAmount>"
            + "<cgc:BaseQuantity quantityUnitCode='EA'>1</cgc:BaseQuantity>"
            + "<cgc:MinimumQuantity quantityUnitCode='EA'>3</cgc:MinimumQuantity>" + "</ctc:BasePrice>"
            + "</root>";

    InputStream xmlStream = new ByteArrayInputStream(xml.getBytes());
    DocumentBuilderFactory builderFactory = DocumentBuilderFactory.newInstance();
    DocumentBuilder builder = builderFactory.newDocumentBuilder();
    Document xmlDocument = builder.parse(xmlStream);
    XPath xPath = XPathFactory.newInstance().newXPath();
    String expression = "//*[local-name() = 'BasePrice' and not(descendant::*[local-name() = 'MinimumQuantity'])]/*[local-name()='PriceAmount']";
    NodeList nodeList = (NodeList) xPath.compile(expression).evaluate(xmlDocument, XPathConstants.NODESET);
    for (int i = 0; i < nodeList.getLength(); i++) {
        System.out.println(nodeList.item(i).getFirstChild().getNodeValue());
    }//from  ww w  . ja  v a 2 s  . com
}

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From source file:Main.java

public static void main(String args[]) throws Exception {
    Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
    String URL = "jdbc:odbc:dbname";
    Connection dbConn = DriverManager.getConnection(URL, "user", "passw");
    Employee employee = new Employee(42, "AA", 9);
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    ObjectOutputStream oos = new ObjectOutputStream(baos);
    oos.writeObject(employee);/* w  w  w . j  a v a 2s . co  m*/
    byte[] employeeAsBytes = baos.toByteArray();
    PreparedStatement pstmt = dbConn.prepareStatement("INSERT INTO EMPLOYEE (emp) VALUES(?)");
    ByteArrayInputStream bais = new ByteArrayInputStream(employeeAsBytes);
    pstmt.setBinaryStream(1, bais, employeeAsBytes.length);
    pstmt.executeUpdate();
    pstmt.close();
    Statement stmt = dbConn.createStatement();
    ResultSet rs = stmt.executeQuery("SELECT emp FROM Employee");
    while (rs.next()) {
        byte[] st = (byte[]) rs.getObject(1);
        ByteArrayInputStream baip = new ByteArrayInputStream(st);
        ObjectInputStream ois = new ObjectInputStream(baip);
        Employee emp = (Employee) ois.readObject();
    }
    stmt.close();
    rs.close();
    dbConn.close();
}

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From source file:MainClass.java

public static void main(String[] args) throws Exception {
    Security.addProvider(new org.bouncycastle.jce.provider.BouncyCastleProvider());
    KeyPair pair = generateRSAKeyPair();
    ByteArrayOutputStream bOut = new ByteArrayOutputStream();
    bOut.write(generateV1Certificate(pair).getEncoded());
    bOut.close();//www .  j  a v a  2 s  .c om
    InputStream in = new ByteArrayInputStream(bOut.toByteArray());
    CertificateFactory fact = CertificateFactory.getInstance("X.509", "BC");
    X509Certificate x509Cert = (X509Certificate) fact.generateCertificate(in);
    System.out.println("issuer: " + x509Cert.getIssuerX500Principal());
}

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From source file:MainClass.java

public static void main(String[] args) throws Exception {
    Security.addProvider(new org.bouncycastle.jce.provider.BouncyCastleProvider());

    KeyPair pair = generateRSAKeyPair();

    ByteArrayOutputStream bOut = new ByteArrayOutputStream();
    bOut.write(generateV1Certificate(pair).getEncoded());
    bOut.close();/*ww  w .  jav  a 2 s . c o m*/

    InputStream in = new ByteArrayInputStream(bOut.toByteArray());

    CertificateFactory fact = CertificateFactory.getInstance("X.509", "BC");

    X509Certificate x509Cert;
    Collection collection = new ArrayList();

    while ((x509Cert = (X509Certificate) fact.generateCertificate(in)) != null) {
        collection.add(x509Cert);
    }

    Iterator it = collection.iterator();
    while (it.hasNext()) {
        System.out.println("version: " + ((X509Certificate) it.next()).getVersion());
    }
}

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From source file:Main.java

public static void main(String[] args) throws Exception {
    String xml = "<Services><service name='qwerty' id=''><File rootProfile='abcd' extension='acd'><Columns>"
            + "<name id='0' profileName='DATE' type='java'></name><name id='1' profileName='DATE' type='java'></name>"
            + "</Columns></File><File rootProfile='efg' extension='ghi'><Columns><name id='a' profileName='DATE' type='java'></name>"
            + "<name id='b' profileName='DATE' type='java'></name></Columns></File></service></Services>";
    DocumentBuilderFactory documentFactory = DocumentBuilderFactory.newInstance();
    DocumentBuilder documentBuilder = null;

    documentBuilder = documentFactory.newDocumentBuilder();

    org.w3c.dom.Document doc = documentBuilder.parse(new InputSource(new ByteArrayInputStream(xml.getBytes())));

    doc.getDocumentElement().normalize();
    NodeList nodeList0 = doc.getElementsByTagName("service");
    NodeList nodeList1 = null;// ww  w  . j av  a  2 s.  com
    NodeList nodeList2 = null;
    System.out.println("Root element :" + doc.getDocumentElement().getNodeName());

    for (int temp0 = 0; temp0 < nodeList0.getLength(); temp0++) {
        Node node0 = nodeList0.item(temp0);

        System.out.println("\nElement type :" + node0.getNodeName());
        Element Service = (Element) node0;

        if (node0.getNodeType() != Node.ELEMENT_NODE) {
            continue;
        }
        System.out.println("name : " + Service.getAttribute("name"));
        System.out.println("id : " + Service.getAttribute("id"));
        nodeList1 = Service.getChildNodes();
        for (int temp = 0; temp < nodeList1.getLength(); temp++) {
            Node node1 = nodeList1.item(temp);

            System.out.println("\nElement type :" + node1.getNodeName());

            Element File = (Element) node1;

            if (node1.getNodeType() != Node.ELEMENT_NODE) {
                continue;
            }
            System.out.println("rootProfile:" + File.getAttribute("rootProfile"));
            System.out.println("extension  : " + File.getAttribute("extension"));

            nodeList2 = File.getChildNodes();// colums
            for (int temp1 = 0; temp1 < nodeList2.getLength(); temp1++) {
                Element column = (Element) nodeList2.item(temp1);
                NodeList nodeList4 = column.getChildNodes();
                for (int temp3 = 0; temp3 < nodeList4.getLength(); temp3++) {
                    Element name = (Element) nodeList4.item(temp3);
                    if (name.getNodeType() != Node.ELEMENT_NODE) {
                        continue;
                    }
                    System.out.println("id:" + name.getAttribute("id"));
                    System.out.println("profileName  : " + name.getAttribute("profileName"));
                    System.out.println("type  : " + name.getAttribute("type"));
                }
            }
        }
    }
}

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From source file:Main.java

public static void main(String[] args) throws Exception {
    Document document = DocumentBuilderFactory.newInstance().newDocumentBuilder()
            .parse(new ByteArrayInputStream(
                    ("<foo><foo1>Foo Test 1</foo1><foo2><another1><test1>Foo Test 2</test1></another1></foo2><foo3>Foo Test 3</foo3><foo4>Foo Test 4</foo4></foo>")
                            .getBytes()));
    String xpath = "/" + getXPath(document, "test1");
    Node node1 = (Node) XPathFactory.newInstance().newXPath().compile(xpath).evaluate(document,
            XPathConstants.NODE);
    Node node2 = (Node) XPathFactory.newInstance().newXPath().compile("//test1").evaluate(document,
            XPathConstants.NODE);
    System.out.println(node1.equals(node2));
}

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From source file:MainClass.java

public static void main(String[] args) throws Exception {
    Security.addProvider(new org.bouncycastle.jce.provider.BouncyCastleProvider());
    byte[] input = "www.java2s.com".getBytes();
    byte[] keyBytes = new byte[] { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c,
            0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17 };
    byte[] ivBytes = new byte[] { 0x00, 0x01, 0x02, 0x03, 0x00, 0x01, 0x02, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00,
            0x00, 0x00, 0x01 };//ww w .j  av a2 s.  com

    SecretKeySpec key = new SecretKeySpec(keyBytes, "AES");
    IvParameterSpec ivSpec = new IvParameterSpec(ivBytes);
    Cipher cipher = Cipher.getInstance("AES/CTR/NoPadding", "BC");
    System.out.println("input : " + new String(input));

    // encryption pass
    cipher.init(Cipher.ENCRYPT_MODE, key, ivSpec);
    ByteArrayInputStream bIn = new ByteArrayInputStream(input);
    CipherInputStream cIn = new CipherInputStream(bIn, cipher);
    ByteArrayOutputStream bOut = new ByteArrayOutputStream();

    int ch;
    while ((ch = cIn.read()) >= 0) {
        bOut.write(ch);
    }

    byte[] cipherText = bOut.toByteArray();

    System.out.println("cipher: " + new String(cipherText));

    // decryption pass
    cipher.init(Cipher.DECRYPT_MODE, key, ivSpec);
    bOut = new ByteArrayOutputStream();
    CipherOutputStream cOut = new CipherOutputStream(bOut, cipher);
    cOut.write(cipherText);
    cOut.close();
    System.out.println("plain : " + new String(bOut.toByteArray()));
}

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