org.apache.xpath.res.XPATHMessages Java Examples

The following examples show how to use org.apache.xpath.res.XPATHMessages. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: FuncExtFunction.java    From j2objc with Apache License 2.0 5 votes vote down vote up
/**
 * 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
{
  if (xctxt.isSecureProcessing())
    throw new javax.xml.transform.TransformerException(
      XPATHMessages.createXPATHMessage(
        XPATHErrorResources.ER_EXTENSION_FUNCTION_CANNOT_BE_INVOKED,
        new Object[] {toString()}));
    
  XObject result;
  Vector argVec = new Vector();
  int nArgs = m_argVec.size();

  for (int i = 0; i < nArgs; i++)
  {
    Expression arg = (Expression) m_argVec.elementAt(i);
    
    XObject xobj = arg.execute(xctxt);
    /*
     * Should cache the arguments for func:function
     */
    xobj.allowDetachToRelease(false); 
    argVec.addElement(xobj);
  }
  //dml
  ExtensionsProvider extProvider = (ExtensionsProvider)xctxt.getOwnerObject();
  Object val = extProvider.extFunction(this, argVec);

  if (null != val)
  {
    result = XObject.create(val, xctxt);
  }
  else
  {
    result = new XNull();
  }

  return result;
}