Examples of org.jaxen.XPath.stringValueOf()

org.jaxen.XPath.stringValueOf()
Retrieve a string-value interpretation of this XPath expression when evaluated against a given context.
The string-value of the expression is determined per the string(..) core function as defined in the XPath specification. This means that an expression that selects more than one nodes will return the string value of the first node in the node set..
@param The node, nodeset or Context object for evaluation. This value can be null @return The string-value interpretation of this expression.

    Map<QName,Function> functions,
    Map<QName,Object> variables) 
      throws XPathException {
    try {
      XPath xpath = getXPath(path, namespaces, functions, variables);
      return xpath.stringValueOf(base);
    } catch (JaxenException e) {
      throw new XPathException(e);
    }
  }

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    @Override
    public String evaluateAsString(String expression, Source context) throws XPathException {
        try {
            XPath xpath = createXPath(expression);
            Element element = getRootElement(context);
            return xpath.stringValueOf(element);
        }
        catch (JaxenException ex) {
            throw new XPathException("Could not evaluate XPath expression [" + expression + "]", ex);
        }
        catch (TransformerException ex) {

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                    resData.put(formPars[i].id(), 
        convertToSax(respPart.getDocumentElement()));
                } else {
                    if (formPars[i].type().equals (String.class)) {
                        resData.put(formPars[i].id(), 
            path.stringValueOf(respPart));
                    } else if ((formPars[i].type() instanceof Class)
             && Number.class.isAssignableFrom
             ((Class)formPars[i].type())) {
                        Number n = path.numberValueOf(respPart);
                        if (formPars[i].type().equals (Long.class)

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        logger.error (msg, e);
        throw new CannotExecuteException (msg);
    }
      }
      if (formPars[i].type().equals(String.class)) {
    String value = path.stringValueOf(jdomRes);
    if (logger.isDebugEnabled()) {
        logger.debug("value = " + value);
    }
    resData.put(formPars[i].id(), value);
            } else if (formPars[i].type().equals(Date.class)) {

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    if (logger.isDebugEnabled()) {
        logger.debug("value = " + value);
    }
    resData.put(formPars[i].id(), value);
            } else if (formPars[i].type().equals(Date.class)) {
                String sval = path.stringValueOf(jdomRes);
                try {
                    Date value = XMLUtil.parseXsdDateTime(sval);
                    if (logger.isDebugEnabled()) {
                        logger.debug("value = " + value);
                    }

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                        (new CannotExecuteException 
                         ("Problem parsing " + sval + " as xsd datetime: "
                          + e.getMessage())).initCause(e); 
                }
            } else if (formPars[i].type().equals(Double.class)) {
                String sval = path.stringValueOf(jdomRes);
                try {
                    double value = XMLUtil.parseXsdDouble(sval);
                    if (logger.isDebugEnabled()) {
                        logger.debug("value = " + value);
                    }

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                        (new CannotExecuteException 
                         ("Problem parsing " + sval + " as xsd double: "
                          + e.getMessage())).initCause(e); 
                }
            } else if (formPars[i].type().equals(Boolean.class)) {
                String sval = path.stringValueOf(jdomRes);
                try {
                    boolean value = XMLUtil.parseXsdBoolean(sval);
                    if (logger.isDebugEnabled()) {
                        logger.debug("value = " + value);
                    }

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    process.processContext().get ("result");
      SAXHandler sh = new SAXHandler ();
      res.emit (sh);
      Document resDoc = sh.getDocument();
      XPath xpath = new JDOMXPath("/result/inserted/root/element1/@attr1");
      String val = xpath.stringValueOf(resDoc);
      assertTrue ("Value is: " + val, val.equals ("42"));
      xpath = new JDOMXPath("/result/test");
      val = xpath.stringValueOf(resDoc);
      assertTrue ("Value is: " + val, val.equals ("42"));
      xpath = new JDOMXPath("count(/result/test)");

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      Document resDoc = sh.getDocument();
      XPath xpath = new JDOMXPath("/result/inserted/root/element1/@attr1");
      String val = xpath.stringValueOf(resDoc);
      assertTrue ("Value is: " + val, val.equals ("42"));
      xpath = new JDOMXPath("/result/test");
      val = xpath.stringValueOf(resDoc);
      assertTrue ("Value is: " + val, val.equals ("42"));
      xpath = new JDOMXPath("count(/result/test)");
      val = xpath.stringValueOf(resDoc);
      assertTrue ("Value is: " + val, val.equals ("5"));
      pd.removeProcess(process);

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      assertTrue ("Value is: " + val, val.equals ("42"));
      xpath = new JDOMXPath("/result/test");
      val = xpath.stringValueOf(resDoc);
      assertTrue ("Value is: " + val, val.equals ("42"));
      xpath = new JDOMXPath("count(/result/test)");
      val = xpath.stringValueOf(resDoc);
      assertTrue ("Value is: " + val, val.equals ("5"));
      pd.removeProcess(process);
  } finally {
      workflowService().release (pd);
  }

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