public void add(final Param key, final Integer value) {
        if (value != null && value > 0) {
            parameters.put(key, String.valueOf(value));
        }
    }
public void add ( final Param key , final Integer value ) { if ( value != null && value > 0 ) { parameters . put ( key , String . valueOf ( value ) ) ; } }
Add an integer parameter to the collection

@param key Parameter to add
@param value The value to add (will be checked to ensure greater than zero)