private static void addProperty ( final Map<String, String> props, final String key, final String value )
    {
        if ( value == null )
        {
            return;
        }

        props.put ( key, value );
    }
private static void addProperty ( final Map<String, String> props, final String key, final String value )
    {
        if ( value == null )
        {
            return;
        }

        props.put ( key, value );
    }
private static void addProperty ( final Map < String , String > props , final String key , final String value ) { if ( value == null ) { return ; } props . put ( key , value ) ; }
Add property entry only of value is not null

@param props
properties
@param key
to add
@param value
to add
Add property entry only of value is not null