Examples of org.apache.xpath.XPath

org.apache.xpath.XPath
The XPath class wraps an expression object and provides general services for execution of that expression.

      xctxt.pushCurrentNode(contextNode);
      
      double result = 0;
      try
      {
        XPath dynamicXPath = new XPath(expr, xctxt.getSAXLocator(),
                                       xctxt.getNamespaceContext(),
                                       XPath.SELECT);
        result = dynamicXPath.execute(xctxt, contextNode, xctxt.getNamespaceContext()).num();
      }
      catch (TransformerException e)
      {
        xctxt.popCurrentNode();
        xctxt.popContextNodeList();

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      xctxt.pushCurrentNode(contextNode);
      
      double result = 0;
      try
      {
        XPath dynamicXPath = new XPath(expr, xctxt.getSAXLocator(),
                                       xctxt.getNamespaceContext(),
                                       XPath.SELECT);
        result = dynamicXPath.execute(xctxt, contextNode, xctxt.getNamespaceContext()).num();
      }
      catch (TransformerException e)
      {
        xctxt.popCurrentNode();
        xctxt.popContextNodeList();

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      xctxt.pushCurrentNode(contextNode);
      
      double result = 0;
      try
      {
        XPath dynamicXPath = new XPath(expr, xctxt.getSAXLocator(),
                                       xctxt.getNamespaceContext(),
                                       XPath.SELECT);
        result = dynamicXPath.execute(xctxt, contextNode, xctxt.getNamespaceContext()).num();
      }
      catch (TransformerException e)
      {
        xctxt.popCurrentNode();
        xctxt.popContextNodeList();

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      xctxt.pushCurrentNode(contextNode);
      
      XObject object = null;
      try
      {
        XPath dynamicXPath = new XPath(expr, xctxt.getSAXLocator(),
                                       xctxt.getNamespaceContext(),
                                       XPath.SELECT);
        object = dynamicXPath.execute(xctxt, contextNode, xctxt.getNamespaceContext());
        
        if (object instanceof XNodeSet)
        {
          NodeList nodelist = null;
          nodelist = ((XNodeSet)object).nodelist();

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    {
      XPathContext xctxt = null;
      try
      {
        xctxt = ((XPathContext.XPathExpressionContext) myContext).getXPathContext();
        XPath dynamicXPath = new XPath(xpathExpr, xctxt.getSAXLocator(),
                                       xctxt.getNamespaceContext(),
                                       XPath.SELECT);


        return dynamicXPath.execute(xctxt, myContext.getContextNode(),
                                    xctxt.getNamespaceContext());
      }
      catch (TransformerException e)
      {
        return new XNodeSet(xctxt.getDTMManager());

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        xctxt.pushCurrentNode(contextNode);


        XObject object = null;
        try
        {
          XPath dynamicXPath = new XPath(expr, xctxt.getSAXLocator(),
                                         xctxt.getNamespaceContext(),
                                         XPath.SELECT);
          object = dynamicXPath.execute(xctxt, contextNode, xctxt.getNamespaceContext());
          
          if (object instanceof XNodeSet)
          {
            NodeList nodelist = null;
            nodelist = ((XNodeSet)object).nodelist();

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  {
    // See if we can reduce an RTF to a select with a string expression.
    if(null == m_selectPattern  
       && sroot.getOptimizer())
    {
      XPath newSelect = ElemVariable.rewriteChildToExpression(this);
      if(null != newSelect)
        m_selectPattern = newSelect;
    }
    m_qnameID = sroot.getComposeState().getQNameID(m_qname);
    super.compose(sroot);

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        foundKey = true;
        // xctxt.setNamespaceContext(ki.getPrefixResolver());


        // See if our node matches the given key declaration according to 
        // the match attribute on xsl:key.
        XPath matchExpr = kd.getMatch();
        double score = matchExpr.getMatchScore(xctxt, testNode);


        if (score == kd.getMatch().MATCH_SCORE_NONE)
          continue;


        return DTMIterator.FILTER_ACCEPT;

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    throws XPathException, DOMException {
    
    try {
      
      // If the resolver is null, create a dummy prefix resolver
      XPath xpath =  new XPath(expression,null,
           ((null == resolver) ? new DummyPrefixResolver() : ((PrefixResolver)resolver)), 
            XPath.SELECT);
                  
            return new XPathExpressionImpl(xpath, m_doc);

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  public int getAnalysisBits()
  {
    org.apache.xalan.templates.ElemVariable vvar = getElemVariable();
    if(null != vvar)
    {
      XPath xpath = vvar.getSelect();
      if(null != xpath)
      {
        Expression expr = xpath.getExpression();
        if(null != expr && expr instanceof PathComponent)
        {
          return ((PathComponent)expr).getAnalysisBits();
        }
      }

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