Examples of javax.xml.xpath.XPathFactory

javax.xml.xpath.XPathFactory

An XPathFactory instance can be used to create {@link javax.xml.xpath.XPath} objects.
See {@link #newInstance(String uri)} for lookup mechanism.
@author Norman Walsh @author Jeff Suttor @version $Revision: 226183 $, $Date: 2005-04-08 06:39:14 -0400 (Fri, 08 Apr 2005) $ @since 1.5

        handlerDoc = docBuilder.parse(configFile);
        return new GFacConfiguration(airavataAPI);
    }


    private static String xpathGetText(Document doc, String expression) throws XPathExpressionException {
        XPathFactory xPathFactory = XPathFactory.newInstance();
        XPath xPath = xPathFactory.newXPath();
        XPathExpression expr = xPath.compile(expression);


        return (String) expr.evaluate(doc, XPathConstants.STRING);
    }

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     * @param attribute  name of the attribute to extract
     * @return list of attribute values.
     * @throws XPathExpressionException
     */
    private static List<String> xpathGetAttributeValueList(Document doc, String expression, String attribute) throws XPathExpressionException {
        XPathFactory xPathFactory = XPathFactory.newInstance();
        XPath xPath = xPathFactory.newXPath();
        XPathExpression expr = xPath.compile(expression);


        NodeList nl = (NodeList) expr.evaluate(doc, XPathConstants.NODESET);


        List<String> attributeValues = new ArrayList<String>();

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      booleanExpression = booleanExpression.replaceAll("\\$" + i, "'" + inputVal + "'");
    }


    // Now the XPath expression
    try {
      XPathFactory xpathFact = XPathFactory.newInstance();
      XPath xpath = xpathFact.newXPath();
      Boolean result = (Boolean) xpath.evaluate(booleanExpression, booleanExpression, XPathConstants.BOOLEAN);


      /*
       * Set control port to make execution flow continue according to
       * condition

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    }


    @SuppressWarnings("unchecked")
    public static XPathExpression getXPathExpression(XPathFilterParameterSpec xpathFilter) throws XPathExpressionException {


        XPathFactory factory = XPathFactory.newInstance();
        XPath xpath = factory.newXPath();
        if (xpathFilter.getNamespaceMap() != null) {
            xpath.setNamespaceContext(new XPathNamespaceContext(xpathFilter.getNamespaceMap()));
        }
        return xpath.compile(xpathFilter.getXPath());
    }

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    private Object checkXpath(MockEndpoint mock, String xpathString, final Map<String, String> prefix2Namespace)
        throws XPathExpressionException, SAXException, IOException, ParserConfigurationException {
        Message mess = getMessage(mock);
        InputStream body = mess.getBody(InputStream.class);
        assertNotNull(body);
        XPathFactory xpathFactory = XPathFactory.newInstance();
        XPath xpath = xpathFactory.newXPath();
        NamespaceContext nc = new NamespaceContext() {


            @SuppressWarnings("rawtypes")
            @Override
            public Iterator getPrefixes(String namespaceURI) {

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        return opts;
    }


    @Override
    protected int run(CommandLine cmd) throws Exception {
        XPathFactory xPathfactory = XPathFactory.newInstance();
        fieldXPath = xPathfactory.newXPath().compile("//field");
        descriptionXPath = xPathfactory.newXPath().compile("description/text()");


        File inFile = new File(cmd.getOptionValue(CMD_OPT_INPUT));
        if (!inFile.exists()) {
            System.err.println("Input file " + inFile.getAbsolutePath() + " does not exist.");
            return 1;

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        return opts;
    }


    @Override
    protected int run(CommandLine cmd) throws Exception {
        XPathFactory xPathfactory = XPathFactory.newInstance();
        countryXPath = xPathfactory.newXPath().compile("//country");
        fieldsXPath = xPathfactory.newXPath().compile("field");


        File inFile = new File(cmd.getOptionValue(CMD_OPT_INPUT));
        if (!inFile.exists()) {
            System.err.println("Input file " + inFile.getAbsolutePath() + " does not exist.");
            return 1;

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      this.dom = dom;
    }


    public String getStartTime() throws OpsException {
      try {
        XPathFactory xPathfactory = XPathFactory.newInstance();
        XPath xpath = xPathfactory.newXPath();
        XPathExpression expr = xpath
            .compile("/response/lst[@name='status']/lst/date[@name='startTime']/text()");
        return (String) expr.evaluate(dom, XPathConstants.STRING);
      } catch (XPathExpressionException e) {
        throw new OpsException("Error reading value from XML", e);

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        System.out.println("Bad file: " + e.getMessage());
    }
  }


  public String getDatabaseParameter(String param) {
    XPathFactory factory = XPathFactory.newInstance();
    XPath xpath = factory.newXPath();
    Object result;
    try {
      XPathExpression expr =
        xpath.compile("/stratcon/database/dbconfig/" + param + "/text()");
      result = expr.evaluate(doc, XPathConstants.NODESET);

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      return nodes.item(nodes.getLength() -1).getNodeValue();
    }
    return null;
  }
  public String getBroker() {
    XPathFactory factory = XPathFactory.newInstance();
    XPath xpath = factory.newXPath();
    Object result;
    try {
      XPathExpression expr =
        xpath.compile("/stratcon/iep/broker/@adapter");
      result = expr.evaluate(doc, XPathConstants.NODESET);

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