private void parseDateHeaderRange ( Map < Object , Object > props ) { // @313642 Object value = props . get ( HttpConfigConstants . PROPNAME_DATE_HEADER_RANGE ) ; if ( null != value ) { try { this . lDateHeaderRange = minLimit ( convertLong ( value ) , 0L ) ; if ( TraceComponent . isAnyTracingEnabled ( ) && tc . isEventEnabled ( ) ) { Tr . event ( tc , "Config: date header range is " + value ) ; } } catch ( NumberFormatException nfe ) { FFDCFilter . processException ( nfe , getClass ( ) . getName ( ) + ".parseDateHeaderRange" , "1" ) ; if ( TraceComponent . isAnyTracingEnabled ( ) && tc . isEventEnabled ( ) ) { Tr . event ( tc , "Config: Invalid date header range; " + value ) ; } } } }
Parse the date header range value from the input properties .