Examples of org.apache.xpath.domapi.XPathEvaluatorImpl.evaluate()

Class org.apache.xpath.domapi.XPathEvaluatorImpl

Examples of org.apache.xpath.domapi.XPathEvaluatorImpl.evaluate()

org.apache.xpath.domapi.XPathEvaluatorImpl.evaluate()
Evaluates an XPath expression string and returns a result of the specified type if possible. @param expression The XPath expression string to be parsed and evaluated. @param contextNode The context is context node for the evaluation of this XPath expression. If the XPathEvaluator was obtained by casting the Document then this must be owned by the same document and must be a Document, Element, Attribute, Text, CDATASection, Comment, ProcessingInstruction, or XPathNamespace node. If the context node is a Text or a CDATASection, then the context is interpreted as the whole logical text node as seen by XPath, unless the node is empty in which case it may not serve as the XPath context. @param resolver The resolver permits translation of prefixes within the XPath expression into appropriate namespace URIs . If this is specified as null, any namespace prefix within the expression will result in DOMException being thrown with the code NAMESPACE_ERR. @param type If a specific type is specified, then the result will be coerced to return the specified type relying on XPath type conversions and fail if the desired coercion is not possible. This must be one of the type codes of XPathResult. @param result The result specifies a specific result object which may be reused and returned by this method. If this is specified as nullor the implementation does not reuse the specified result, a new result object will be constructed and returned.For XPath 1.0 results, this object will be of type XPathResult. @return The result of the evaluation of the XPath expression.For XPath 1.0 results, this object will be of type XPathResult. @exception XPathException INVALID_EXPRESSION_ERR: Raised if the expression is not legal according to the rules of the XPathEvaluatori
TYPE_ERR: Raised if the result cannot be converted to return the specified type. @exception DOMException NAMESPACE_ERR: Raised if the expression contains namespace prefixes which cannot be resolved by the specified XPathNSResolver.
WRONG_DOCUMENT_ERR: The Node is from a document that is not supported by this XPathEvaluator.
NOT_SUPPORTED_ERR: The Node is not a type permitted as an XPath context node. @see org.w3c.dom.xpath.XPathEvaluator#evaluate(String,Node,XPathNSResolver,short,XPathResult)

         // Create an XPath evaluator and pass in the document.
         XPathEvaluator tEvaluator = new XPathEvaluatorImpl(aDocument);
         //XPathNSResolver tResolver = tEvaluator.createNSResolver(aDocument);


         // Evaluate the xpath expression
         XPathResult tResult = (XPathResult)tEvaluator.evaluate(aXPathExpression,
                 aDocument, // contextNode
                 null/*tResolver*/, // support Namespace in XPath expressions
                 XPathResult.STRING_TYPE, // type of returned result
                 null); // construct a new result object (no reuse)

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      // Create an XPath evaluator and pass in the document.
      XPathEvaluator evaluator = new XPathEvaluatorImpl(doc);
      XPathNSResolver resolver = evaluator.createNSResolver(doc);
      
      // Evaluate the xpath expression
      XPathResult result = (XPathResult)evaluator.evaluate(xpath, doc, resolver, XPathResult.UNORDERED_NODE_ITERATOR_TYPE, null);
      


      // Serialize the found nodes to System.out.
      System.out.println("<output>");

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        throws XPathException
    {
        XPathEvaluator evaluator = new XPathEvaluatorImpl();
        XPathNSResolver resolver = evaluator.createNSResolver(namespaceNode);


        return (XPathResult) evaluator.evaluate(
            xpath, contextNode, resolver,
            XPathResult.ANY_TYPE, null);
    }


    /**

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      // Create an XPath evaluator and pass in the document.
      XPathEvaluator evaluator = new XPathEvaluatorImpl(doc);
      XPathNSResolver resolver = evaluator.createNSResolver(doc);
      
      // Evaluate the xpath expression
      XPathResult result = (XPathResult)evaluator.evaluate(xpath, doc, resolver, XPathResult.UNORDERED_NODE_ITERATOR_TYPE, null);
      


      // Serialize the found nodes to System.out.
      System.out.println("<output>");

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      // Create an XPath evaluator and pass in the document.
      XPathEvaluator evaluator = new XPathEvaluatorImpl(doc);
      XPathNSResolver resolver = evaluator.createNSResolver(doc);
      
      // Evaluate the xpath expression
      XPathResult result = (XPathResult)evaluator.evaluate(xpath, doc, resolver, XPathResult.UNORDERED_NODE_ITERATOR_TYPE, null);
      


      // Serialize the found nodes to System.out.
      System.out.println("<output>");

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      // Create an XPath evaluator and pass in the document.
      XPathEvaluator evaluator = new XPathEvaluatorImpl(doc);
      XPathNSResolver resolver = evaluator.createNSResolver(doc);
      
      // Evaluate the xpath expression
      XPathResult result = (XPathResult)evaluator.evaluate(xpath, doc, resolver, XPathResult.UNORDERED_NODE_ITERATOR_TYPE, null);
      


      // Serialize the found nodes to System.out.
      System.out.println("<output>");

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      // Create an XPath evaluator and pass in the document.
      XPathEvaluator evaluator = new XPathEvaluatorImpl(doc);
      XPathNSResolver resolver = evaluator.createNSResolver(doc);
      
      // Evaluate the xpath expression
      XPathResult result = (XPathResult)evaluator.evaluate(xpath, doc, resolver, XPathResult.UNORDERED_NODE_ITERATOR_TYPE, null);
      


      // Serialize the found nodes to System.out.
      System.out.println("<output>");

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        throws XPathException
    {
        XPathEvaluator evaluator = new XPathEvaluatorImpl();
        XPathNSResolver resolver = evaluator.createNSResolver(namespaceNode);


        return (XPathResult) evaluator.evaluate(
            xpath, contextNode, resolver,
            XPathResult.ANY_TYPE, null);
    }


    /**

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