Example usage for javax.xml.xpath XPathFactory newXPath

Introduction

In this page you can find the example usage for javax.xml.xpath XPathFactory newXPath.

Prototype

public abstract XPath newXPath();

Source Link

Document

Return a new XPath using the underlying object model determined when the XPathFactory was instantiated.

Usage

From source file:Main.java

public static Vector<HashMap> xmlToVector222(InputStream is, String xpath) {
    try {/*from  ww  w  .  j a va2s .  c om*/
        XPathFactory factory = XPathFactory.newInstance();
        XPath xPath = factory.newXPath();
        InputSource inputSource = new InputSource(is);

        NodeList nodes = (NodeList) xPath.evaluate(xpath, inputSource, XPathConstants.NODESET);
        Vector<HashMap> vector = new Vector<HashMap>();

        for (int x = 0; x < nodes.getLength(); x++) {
            NodeList nodeList = nodes.item(x).getChildNodes();
            HashMap hashmap = new HashMap();
            for (int y = 0; y < nodeList.getLength(); y++) {
                Node node = nodeList.item(y);
                if (!node.getNodeName().equals("#text")) {
                    hashmap.put(node.getNodeName(), node.getTextContent());
                }
            }
            vector.add(hashmap);
        }
        return vector;
    } catch (Exception ex) {
        ex.printStackTrace();
        return new Vector();
    }
}

From source file:Main.java

public static XPath getSharedXPath() {
    XPath xPath = null;/*from  ww w  . ja va2 s  .  c om*/
    if (sharedXPath != null)
        xPath = sharedXPath.get();
    if (xPath == null) {
        XPathFactory xPathFactory = XPathFactory.newInstance();
        sharedXPath = new SoftReference<XPath>(xPath = xPathFactory.newXPath());
    }
    return xPath;
}

From source file:Main.java

/**
 * /*  w w w . j a v a  2  s  .c  o  m*/
 * @param xPathS
 * @param node
 * @param nsuri
 * @param pre
 * @param returnType
 * @return Return type is one of XPathConstants .BOOLEAN, .NODE, .NODESET,
 *         .NUMBER, .STRING
 * @throws Exception
 */
public static Object getNodesListXpath(final String xPathS, final Node node, final String nsuri,
        final String pre, final QName returnType) throws Exception {
    Object matches = null;
    System.setProperty("javax.xml.xpath.XPathFactory:" + XPathConstants.DOM_OBJECT_MODEL, XPATH_FACTORY);

    XPathFactory xpathFactory = XPathFactory.newInstance(XPathConstants.DOM_OBJECT_MODEL);
    XPath xpath = xpathFactory.newXPath();
    XPathExpression xpe = xpath.compile(xPathS);
    matches = xpe.evaluate(node, returnType);

    return matches;
}

From source file:Main.java

/**
 * Read application-context file, and return fully qualified class name for
 * given <code>beanName</code>
 * //  ww w.  j a  v  a  2s .co  m
 * @param beanName
 * @return
 * 
 */
public static String getFullyQualifiedClass(String beanName) {

    DocumentBuilderFactory docBuilderFactory = DocumentBuilderFactory.newInstance();

    docBuilderFactory.setNamespaceAware(true);

    String nodeValue = "";

    try {
        DocumentBuilder builder = docBuilderFactory.newDocumentBuilder();
        Document doc = builder.parse("application-context.xml");

        XPathFactory factory = XPathFactory.newInstance();
        XPath xpath = factory.newXPath();
        XPathExpression expr = xpath.compile("//bean[@name='" + beanName + "']/@class");

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

        NodeList nodes = (NodeList) result;
        if (nodes.getLength() > 0) {
            nodeValue = nodes.item(0).getNodeValue();
        }
    } catch (ParserConfigurationException parserConfigurationException) {
        parserConfigurationException.printStackTrace();
    } catch (IOException ioException) {
        ioException.printStackTrace();
    } catch (SAXException saxException) {
        saxException.printStackTrace();
    } catch (XPathExpressionException xPathExpressionException) {
        xPathExpressionException.printStackTrace();
    }

    return nodeValue;
}

From source file:Main.java

public static String findInXml(String xml, String xpath) {
    try {//from  w  w w . j  a  v  a 2s .  com
        DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
        DocumentBuilder builder = factory.newDocumentBuilder();
        builder.setEntityResolver(new EntityResolver() {
            @Override
            public InputSource resolveEntity(String publicId, String systemId)
                    throws SAXException, IOException {
                //                    if (systemId.contains("foo.dtd")) {
                return new InputSource(new StringReader(""));
                //                    } else {
                //                        return null;
                //                    }
            }
        });
        Document doc = builder.parse(new InputSource(new ByteArrayInputStream(xml.getBytes("utf-8"))));
        XPathFactory xPathfactory = XPathFactory.newInstance();
        XPathExpression expr = xPathfactory.newXPath().compile(xpath);
        return (String) expr.evaluate(doc, XPathConstants.STRING);
    } catch (Throwable t) {
        throw new RuntimeException(t);
    }
}

From source file:Main.java

public static String valueForXPath(String xpath, InputStream inputStream) throws XPathExpressionException {
    /*//  ww w  . j a va  2 s.  c o  m
     * Report.systemProperty("javax.xml.parsers.DocumentBuilderFactory");
     * Report.systemProperty("javax.xml.parsers.SAXParserFactory");
     * Report.systemProperty("javax.xml.transform.TransformerFactory");
     */
    XPathFactory factory = XPathFactory.newInstance();
    InputSource is = new InputSource(inputStream);
    XPath xp = factory.newXPath();
    return xp.evaluate(xpath, is);
}

From source file:Main.java

/**
 * @return//from w w w.ja va2s.  c o m
 */
public static XPath getCruxPagesXPath() {
    XPathFactory factory = XPathFactory.newInstance();
    XPath findPath = factory.newXPath();
    findPath.setNamespaceContext(new NamespaceContext() {
        public String getNamespaceURI(String prefix) {
            if (prefix.equals("c")) {
                return "http://www.cruxframework.org/crux";
            } else if (prefix.equals("v")) {
                return "http://www.cruxframework.org/view";
            }

            return "";
        }

        public String getPrefix(String namespaceURI) {
            if (namespaceURI.equals("http://www.cruxframework.org/crux")) {
                return "c";
            } else if (namespaceURI.equals("http://www.cruxframework.org/view")) {
                return "v";
            }
            return "";
        }

        public Iterator<?> getPrefixes(String namespaceURI) {
            List<String> prefixes = new ArrayList<String>();
            prefixes.add("c");
            prefixes.add("v");

            return prefixes.iterator();
        }
    });

    return findPath;
}

From source file:Main.java

public static XPath getXPathInstance() {
    XPathFactory factory = XPathFactory.newInstance();
    return factory.newXPath();
}

From source file:Main.java

public static NodeList getNodeList(Node node, String path) {
    try {/*from  ww  w . j a v a2 s. com*/
        slowGetValue++;
        // System.out.println("slow : " + slowGetValue + " - " + path);

        XPathFactory xPathFactory = XPathFactory.newInstance();
        XPath xpath = xPathFactory.newXPath();
        XPathExpression expr;
        expr = xpath.compile(path);
        NodeList list = (NodeList) expr.evaluate(node, XPathConstants.NODESET);

        return list;
    } catch (XPathExpressionException e) {
        e.printStackTrace();
    }
    return null;
}

From source file:com.thinkbiganalytics.feedmgr.nifi.NifiTemplateParser.java

/**
 * @param nifiTemplate the nifi template xml string
 * @return the name of the template//from   ww  w  . j a  va2 s.com
 */
public static String getTemplateName(String nifiTemplate)
        throws ParserConfigurationException, XPathExpressionException, IOException, SAXException {

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

    InputSource source = new InputSource(new StringReader(nifiTemplate));
    String name = (String) xpath.evaluate("/template/name", source, XPathConstants.STRING);
    return name;
}