Examples of javax.xml.xpath.XPath.compile()

javax.xml.xpath.XPath.compile()

Compile an XPath expression for later evaluation.

If expression contains any {@link XPathFunction}s, they must be available via the {@link XPathFunctionResolver}. An {@link XPathExpressionException} will be thrown if the XPathFunctioncannot be resovled with the XPathFunctionResolver.

If expression is null, a NullPointerException is thrown.
@param expression The XPath expression. @return Compiled XPath expression. @throws XPathExpressionException If expression cannot be compiled. @throws NullPointerException If expression is null.

                String s = r.getAttributeValue(null, "schemaLocation");
                if (StringUtils.isEmpty(s)) {
                    Document d = StaxUtils.read(r);
                    XPath p = XPathFactory.newInstance().newXPath();
                    p.setNamespaceContext(new W3CNamespaceContext(d.getDocumentElement()));
                    XPathExpression xpe = p.compile(d.getDocumentElement().getAttribute("node"));
                    for (XmlSchema schema : schemas.getXmlSchemas()) {
                        if (XMLConstants.W3C_XML_SCHEMA_NS_URI.equals(schema.getTargetNamespace())) {
                            continue;
                        }
                        Object src = getSchemaNode(schema, schemas);

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      // evaluate XPath expressions which are stored in xpathList 
      // and save result nodes in queryList
      for (int j = 0; j < this.xpathList.size(); j++) {
        XPathFactory factory = XPathFactory.newInstance();
        XPath xpath = factory.newXPath();
        XPathExpression expr = xpath.compile(this.xpathList.get(j));
        Object results = expr.evaluate(doc, XPathConstants.NODESET);
        NodeList nodes = (NodeList) results;
        queryList.add(nodes);
      }

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        XPath path = xpathFactory.newXPath();
        path.setNamespaceContext(reader.getNamespaceContext());
        try {
            if (appliesTo != null) {
                policySet.setAppliesToXPathExpression(path.compile(appliesTo));
            }
            if (alwaysAppliesTo != null) {
                policySet.setAlwaysAppliesToXPathExpression(path.compile(alwaysAppliesTo));
            }
        } catch (XPathExpressionException e) {

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        try {
            if (appliesTo != null) {
                policySet.setAppliesToXPathExpression(path.compile(appliesTo));
            }
            if (alwaysAppliesTo != null) {
                policySet.setAlwaysAppliesToXPathExpression(path.compile(alwaysAppliesTo));
            }
        } catch (XPathExpressionException e) {
            ContributionReadException ce = new ContributionReadException(e);
            error("ContributionReadException", policySet, ce);
            //throw ce;

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                                        }
                                    }
                                    XPath xpath = xPathFactory.newXPath();
                                    xpath.setNamespaceContext(reader.getNamespaceContext());
                                    try {
                                        componentProperty.setSourceXPathExpression(xpath.compile(source));
                                    } catch (XPathExpressionException e) {
                                      ContributionReadException ce = new ContributionReadException(e);
                                      error("ContributionReadException", xpath, ce);
                                        //throw ce;
                                    }

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   * Apply an XPath query to an XML document.
   */
  public IterableElementList xpath(Node doc, String query) throws XPathExpressionException {
    XPathFactory factory = XPathFactory.newInstance();
    XPath xpath = factory.newXPath();
    XPathExpression expr = xpath.compile(query);
    NodeList result = (NodeList) expr.evaluate(doc, XPathConstants.NODESET);
    return new IterableElementList(result);
  }
  
  /**

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      {
         // System.setProperty("javax.xml.xpath.XPathFactory",
         // "com.sun.org.apache.xpath.internal.jaxp.XPathFactoryImpl") ;
         // XPathFactory xpfactory = XPathFactory.newInstance() ;
         XPath xpath = XPathFactory.newInstance().newXPath();
         XPathExpression clientTypeExp = xpath.compile("/clients-type/client-type");
         XPathExpression nameExp = xpath.compile("name/text()");
         XPathExpression userAgentPatternExp = xpath.compile("userAgentPattern/text()");
         XPathExpression preferredMimeTypeExp = xpath.compile("preferredMimeType/text()");
         XPathExpression rendererExp = xpath.compile("renderer/text()");
         ClassLoader cl = Thread.currentThread().getContextClassLoader();

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         // System.setProperty("javax.xml.xpath.XPathFactory",
         // "com.sun.org.apache.xpath.internal.jaxp.XPathFactoryImpl") ;
         // XPathFactory xpfactory = XPathFactory.newInstance() ;
         XPath xpath = XPathFactory.newInstance().newXPath();
         XPathExpression clientTypeExp = xpath.compile("/clients-type/client-type");
         XPathExpression nameExp = xpath.compile("name/text()");
         XPathExpression userAgentPatternExp = xpath.compile("userAgentPattern/text()");
         XPathExpression preferredMimeTypeExp = xpath.compile("preferredMimeType/text()");
         XPathExpression rendererExp = xpath.compile("renderer/text()");
         ClassLoader cl = Thread.currentThread().getContextClassLoader();
         java.net.URL url = cl.getResource("conf/portal/clients-type.xml");

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         // "com.sun.org.apache.xpath.internal.jaxp.XPathFactoryImpl") ;
         // XPathFactory xpfactory = XPathFactory.newInstance() ;
         XPath xpath = XPathFactory.newInstance().newXPath();
         XPathExpression clientTypeExp = xpath.compile("/clients-type/client-type");
         XPathExpression nameExp = xpath.compile("name/text()");
         XPathExpression userAgentPatternExp = xpath.compile("userAgentPattern/text()");
         XPathExpression preferredMimeTypeExp = xpath.compile("preferredMimeType/text()");
         XPathExpression rendererExp = xpath.compile("renderer/text()");
         ClassLoader cl = Thread.currentThread().getContextClassLoader();
         java.net.URL url = cl.getResource("conf/portal/clients-type.xml");
         // S ystem.setProperty("javax.xml.parsers.DocumentBuilderFactory",

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         // XPathFactory xpfactory = XPathFactory.newInstance() ;
         XPath xpath = XPathFactory.newInstance().newXPath();
         XPathExpression clientTypeExp = xpath.compile("/clients-type/client-type");
         XPathExpression nameExp = xpath.compile("name/text()");
         XPathExpression userAgentPatternExp = xpath.compile("userAgentPattern/text()");
         XPathExpression preferredMimeTypeExp = xpath.compile("preferredMimeType/text()");
         XPathExpression rendererExp = xpath.compile("renderer/text()");
         ClassLoader cl = Thread.currentThread().getContextClassLoader();
         java.net.URL url = cl.getResource("conf/portal/clients-type.xml");
         // S ystem.setProperty("javax.xml.parsers.DocumentBuilderFactory",
         // "com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderFactoryImpl") ;

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