Example usage for javax.xml.parsers DocumentBuilder parse

Introduction

In this page you can find the example usage for javax.xml.parsers DocumentBuilder parse.

Prototype


public abstract Document parse(InputSource is) throws SAXException, IOException;

Source Link

Document

Parse the content of the given input source as an XML document and return a new DOM Document object.

Usage

From source file:Main.java

public static void main(String[] args) throws Exception {
    List<String> names = new ArrayList<>();
    URL oracle = new URL("http://weather.yahooapis.com/forecastrss?w=2502265");
    InputStream is = oracle.openStream();
    DocumentBuilderFactory domFactory = DocumentBuilderFactory.newInstance();
    domFactory.setNamespaceAware(true);//  w  w w . j av  a  2  s  .  c o m
    DocumentBuilder builder = domFactory.newDocumentBuilder();
    Document doc = builder.parse(is);
    XPathFactory factory = XPathFactory.newInstance();
    XPath xpath = factory.newXPath();
    XPathExpression expr = xpath.compile("//*:*/@*");
    Object result = expr.evaluate(doc, XPathConstants.NODESET);
    NodeList nl = (NodeList) result;
    for (int i = 0; i < nl.getLength(); i++) {
        names.add(nl.item(i).getNodeName());
        Node node = nl.item(i);
        String path = "." + node.getNodeName() + " = " + node.getNodeValue();
        node = ((Attr) node).getOwnerElement();
        while (node != null) {
            path = node.getNodeName() + '/' + path;
            node = node.getParentNode();
        }
        System.out.println(path);
    }
}

From source file:MainClass.java

public static void main(String[] args) throws Exception {
    DocumentBuilder parser = DocumentBuilderFactory.newInstance().newDocumentBuilder();
    Document document = parser.parse(new InputSource(new StringReader(xmlString)));
    Transformer transformer = TransformerFactory.newInstance().newTransformer();
    Source source = new DOMSource(document);
    Result output = new StreamResult(System.out);
    transformer.transform(source, output);
}

From source file:MainClass.java

public static void main(String[] args) throws Exception {
    SimpleDateFormat xmlDateFormat = new SimpleDateFormat("MM.dd.yy");

    MapVariableResolver resolver = new MapVariableResolver();
    DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
    DocumentBuilder builder = dbf.newDocumentBuilder();
    Document document = builder.parse(new File("t.xml"));

    XPathFactory factory = XPathFactory.newInstance();
    XPath xPath = factory.newXPath();
    xPath.setXPathVariableResolver(resolver);
    XPathExpression expression = xPath.compile("/schedule/show[@date=$date]/guest");

    String formattedDate = xmlDateFormat.format(new Date(2006, 5, 14));
    resolver.addVariable(null, "date", formattedDate);
    Element guest = (Element) expression.evaluate(document, XPathConstants.NODE);

    System.out.println(guest.getElementsByTagName("name").item(0).getTextContent());
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    File file = new File("data.xml");
    DocumentBuilder builder = DocumentBuilderFactory.newInstance().newDocumentBuilder();
    Document doc = builder.parse(file);

    NodeList nodes = doc.getElementsByTagName("topic");
    for (int i = 0; i < nodes.getLength(); i++) {
        Element element = (Element) nodes.item(i);
        NodeList title = element.getElementsByTagName("title");
        Element line = (Element) title.item(0);
        System.out.println("Title: " + getCharacterDataFromElement(line));
    }//w w  w.  j  av  a 2s.  c  o  m
}

From source file:MainClass.java

public static void main(String[] args) throws ParserConfigurationException, XPathExpressionException,
        org.xml.sax.SAXException, java.io.IOException {
    String documentName = args[0];
    String expression = args[1];/*from   w w w . j  av a 2  s  .  c om*/

    DocumentBuilder parser = DocumentBuilderFactory.newInstance().newDocumentBuilder();
    Document doc = parser.parse(new java.io.File(documentName));

    XPath xpath = XPathFactory.newInstance().newXPath();

    System.out.println(xpath.evaluate(expression, doc));

    NodeList nodes = (NodeList) xpath.evaluate(expression, doc, XPathConstants.NODESET);
    for (int i = 0, n = nodes.getLength(); i < n; i++) {
        Node node = nodes.item(i);
        System.out.println(node);
    }
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    InputSource source = new InputSource(new StringReader("<root>\n" + "<field name='firstname'>\n"
            + "    <value>John</value>\n" + "</field>\n" + "<field name='lastname'>\n"
            + "    <value>Citizen</value>\n" + "</field>\n" + "<field name='DoB'>\n"
            + "    <value>01/01/1980</value>\n" + "</field>\n" + "<field name='Profession'>\n"
            + "    <value>Manager</value>\n" + "</field>\n" + "</root>"));

    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
    DocumentBuilder documentBuilder = factory.newDocumentBuilder();
    Document document = documentBuilder.parse(source);

    NodeList allFields = (NodeList) document.getElementsByTagName("field");

    Map<String, String> data = new HashMap<>();
    for (int i = 0; i < allFields.getLength(); i++) {
        Element field = (Element) allFields.item(i);
        String nameAttribute = field.getAttribute("name");
        Element child = (Element) field.getElementsByTagName("value").item(0);
        String value = child.getTextContent();
        data.put(nameAttribute, value);// w  ww. j  av  a2s  .c  o m
    }

    for (Map.Entry field : data.entrySet()) {
        System.out.println(field.getKey() + ": " + field.getValue());
    }
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    DocumentBuilder dBuilder = DocumentBuilderFactory.newInstance().newDocumentBuilder();
    Document doc = dBuilder.parse(new File("data.xml"));
    System.out.println("Root element :" + doc.getDocumentElement().getNodeName());
    if (doc.hasChildNodes()) {
        printNote(doc.getChildNodes(), 1);
    }//w w w . j a  va2s .c  om
}

From source file:MainClass.java

public static void main(String[] args) throws Exception {
    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
    factory.setValidating(true);//w ww.ja  v  a  2s .c  o m
    DocumentBuilder builder = factory.newDocumentBuilder();

    Document doc = builder.parse("yourFile.xml");
    Element rootElement = doc.getDocumentElement();
    NodeList children = rootElement.getChildNodes();
    Node current = null;
    int count = children.getLength();
    for (int i = 0; i < count; i++) {
        current = children.item(i);
        if (current.getNodeType() == Node.ELEMENT_NODE) {
            Element element = (Element) current;
            if (element.getTagName().equalsIgnoreCase("tableOfContents")) {
                // Get the list of <tocEntry> items
                NodeList tocitems = element.getElementsByTagName("tocEntry");
                // Obtain a reference to the second one
                Node secondChild = tocitems.item(1);
                // Create a new <tocEntry> element
                Element newTOCItem = doc.createElement("tocEntry");
                // Create a new "Help" text node
                Text newText = doc.createTextNode("Help");
                // Make it a child of the new <tocEntry> element
                // <tocEntry>Help</tocEntry>
                newTOCItem.appendChild(newText);
                // Add the new <tocEntry> element to <tableOfContents>
                element.insertBefore(newTOCItem, secondChild);
            }
        }
    }

    System.out.println(doc.getDocumentElement());
}

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  a  v  a 2s .c  o m
    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());
}

From source file:ListMoviesXML.java

public static void main(String[] args) throws Exception {
    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
    factory.setIgnoringComments(true);//from   w w  w  .ja v a 2s. c  o  m

    factory.setIgnoringElementContentWhitespace(true);
    factory.setValidating(true);
    DocumentBuilder builder = factory.newDocumentBuilder();

    Document doc = builder.parse(new InputSource("y.xml"));
    Element root = doc.getDocumentElement();

    Element movieElement = (Element) root.getFirstChild();
    Movie m;
    while (movieElement != null) {
        m = getMovie(movieElement);
        String msg = Integer.toString(m.year);
        msg += ": " + m.title;
        msg += " (" + m.price + ")";
        System.out.println(msg);
        movieElement = (Element) movieElement.getNextSibling();
    }
}