How to use

getHeaderResponse

method

in

org.apache.wicket.RequestContext

/**
 * Factory method for creating header response
 * 
 * @return new header response
 */
protected IHeaderResponse newHeaderResponse()
{
  IHeaderResponse headerResponse = RequestContext.get().getHeaderResponse();
  if (headerResponse == null)
  {
    // no (portlet) headerResponse override, create a default one
    headerResponse = new HeaderResponse()
    {
      protected Response getRealResponse()
      {
        return HtmlHeaderContainer.this.getResponse();
      }
    };
  }
  return headerResponse;
}

/**
 * Factory method for creating header response
 * 
 * @return new header response
 */
protected IHeaderResponse newHeaderResponse()
{
  IHeaderResponse headerResponse = RequestContext.get().getHeaderResponse();
  if (headerResponse == null)
  {
    // no (portlet) headerResponse override, create a default one
    headerResponse = new HeaderResponse()
    {
      @Override
      protected Response getRealResponse()
      {
        return HtmlHeaderContainer.this.getResponse();
      }
    };
  }
  return headerResponse;
}