Examples of org.apache.xpath.XPathContext

org.apache.xpath.XPathContext
Default class for the runtime execution context for XPath.
This class extends DTMManager but does not directly implement it.

    public String valueOf(Node n, String xpath) throws JspTagException  {
        //p("******** valueOf(" + n + ", " + xpath + ")");
        staticInit();
        // @@@ but where do we set the Pag4eContext for the varaiblecontext?
        JstlVariableContext vs = new JstlVariableContext();
        XPathContext xpathSupport = new XPathContext();
        xpathSupport.setVarStack( vs);
        
        Vector varVector = fillVarStack(vs, xpathSupport);                
        
        Node contextNode = adaptParamsForXalan( vs, n, xpath.trim() );

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    public boolean booleanValueOf(Node n, String xpath)
    throws JspTagException {
        
        staticInit();
        JstlVariableContext vs = new JstlVariableContext();
        XPathContext xpathSupport = new XPathContext();
        xpathSupport.setVarStack( vs);
        
        Vector varVector = fillVarStack(vs, xpathSupport);        
        
        Node contextNode = adaptParamsForXalan( vs, n, xpath.trim() );
        xpath = modifiedXPath;

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     */
    public List selectNodes(Node n, String xpath)  throws JspTagException {
        
        staticInit();
        JstlVariableContext vs = new JstlVariableContext();
        XPathContext xpathSupport = new XPathContext();
        xpathSupport.setVarStack( vs);
        
        Vector varVector = fillVarStack(vs, xpathSupport);                


        Node contextNode = adaptParamsForXalan( vs, n, xpath.trim() );
        xpath = modifiedXPath;

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        //p("selectSingleNode of XPathUtil = passed node:" +
        //   "xpath => " + n + " : " + xpath );
        
        staticInit();
        JstlVariableContext vs = new JstlVariableContext();
        XPathContext xpathSupport = new XPathContext();
        xpathSupport.setVarStack( vs);
        
        Vector varVector = fillVarStack(vs, xpathSupport);                


        Node contextNode = adaptParamsForXalan( vs, n, xpath.trim() );
        xpath = modifiedXPath;

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     * doXPath
     */
    private XObject doXPath(String path)
    throws javax.xml.transform.TransformerException {
        // If not there - create or else reset().
        if (xpathSupport == null) xpathSupport = new XPathContext();
        else xpathSupport.reset();


        Node namespaceNode = (Node)data;


        if (prefixResolver == null) prefixResolver = new PrefixResolverDefault(

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               if ( d == null )
                  continue;


               Node n = d.getDocumentElement();


               XPathContext xpc = new XPathContext();
               PrefixResolver pfx;
               if ( pr == null ) {
                  pfx = new PrefixResolverDefault(d.getDocumentElement());
                  xp = new XPath(query, null, pfx, XPath.SELECT, errors);
               }

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     * that can be used to compile an XPath expression.
     */
    private XPathContext getXPathContext()
    {
        if (xpContext == null)
            xpContext = new XPathContext();


        return xpContext;
    }

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    this.rootNode = rootNode;


    // Since we don't have a XML Parser involved here, install some default
    // support for things like namespaces, etc.
    XPathContext xpathSupport = new XPathContext();


    PrefixResolver prefixResolver = null;
    // Create an object to resolve namespace prefixes.
    if (namespace != null)
    {

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  String getCountString(TransformerImpl transformer, int sourceNode)
          throws TransformerException
  {


    long[] list = null;
    XPathContext xctxt = transformer.getXPathContext();
    CountersTable ctable = transformer.getCountersTable();


    if (null != m_valueExpr)
    {
      XObject countObj = m_valueExpr.execute(xctxt, sourceNode, this);

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    Locale locale = null;


    if (null != m_lang_avt)
    {
      XPathContext xctxt = transformer.getXPathContext();
      String langValue = m_lang_avt.evaluate(xctxt, contextNode, this);


      if (null != langValue)
      {


        // Not really sure what to do about the country code, so I use the
        // default from the system.
        // TODO: fix xml:lang handling.
        locale = new Locale(langValue.toUpperCase(), "");


        //Locale.getDefault().getDisplayCountry());
        if (null == locale)
        {
          transformer.getMsgMgr().warn(this, null, xctxt.getDTM(contextNode).getNode(contextNode),
                                       XSLTErrorResources.WG_LOCALE_NOT_FOUND,
                                       new Object[]{ langValue });  //"Warning: Could not find locale for xml:lang="+langValue);


          locale = Locale.getDefault();
        }

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