String paramValue = parser.getAttributeValue( null,
Attribute.VALUE.toString() );
if ( StringUtils.isEmpty( paramName ) || StringUtils.isEmpty( paramValue ) )
{
throw new MacroExecutionException( "'" + Attribute.NAME.toString()
+ "' and '" + Attribute.VALUE.toString() + "' attributes for the '" + PARAM.toString()
+ "' tag are required inside the '" + MACRO_TAG.toString() + "' tag." );
}
macroParameters.put( paramName, paramValue );