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package com.sun.org.apache.xpath.internal.functions;

import com.sun.org.apache.xml.internal.dtm.DTM;
import com.sun.org.apache.xpath.internal.XPathContext;
import com.sun.org.apache.xpath.internal.objects.XObject;
import com.sun.org.apache.xpath.internal.objects.XString;

Execute the Namespace() function.
@xsl.usageadvanced
/** * Execute the Namespace() function. * @xsl.usage advanced */
public class FuncNamespace extends FunctionDef1Arg { static final long serialVersionUID = -4695674566722321237L;
Execute the function. The function must return a valid object.
Params:
  • xctxt – The current execution context.
Throws:
Returns:A valid XObject.
/** * Execute the function. The function must return * a valid object. * @param xctxt The current execution context. * @return A valid XObject. * * @throws javax.xml.transform.TransformerException */
public XObject execute(XPathContext xctxt) throws javax.xml.transform.TransformerException { int context = getArg0AsNode(xctxt); String s; if(context != DTM.NULL) { DTM dtm = xctxt.getDTM(context); int t = dtm.getNodeType(context); if(t == DTM.ELEMENT_NODE) { s = dtm.getNamespaceURI(context); } else if(t == DTM.ATTRIBUTE_NODE) { // This function always returns an empty string for namespace nodes. // We check for those here. Fix inspired by Davanum Srinivas. s = dtm.getNodeName(context); if(s.startsWith("xmlns:") || s.equals("xmlns")) return XString.EMPTYSTRING; s = dtm.getNamespaceURI(context); } else return XString.EMPTYSTRING; } else return XString.EMPTYSTRING; return ((null == s) ? XString.EMPTYSTRING : new XString(s)); } }