* @throws ObjectLookupException for problems in evaluating the expression in the "name" attribute
*/
private void initParameters() throws ObjectLookupException
{
// @todo exception handling
RequestHelperFactory rhf = this.properties.getRequestHelperFactoryInstance();
RequestHelper requestHelper = rhf.getRequestHelperInstance(this.pageContext);
initHref(requestHelper);
Integer pageNumberParameter = requestHelper.getIntParameter(encodeParameter(TableTagParameters.PARAMETER_PAGE));
this.pageNumber = (pageNumberParameter == null) ? 1 : pageNumberParameter.intValue();