Class StrLookup.MapStrLookup<V>

  • Type Parameters:
    V - the type of the values supported by the lookup
    All Implemented Interfaces:
    StringLookup
    Enclosing class:
    StrLookup<V>

    static class StrLookup.MapStrLookup<V>
    extends StrLookup<V>
    Lookup implementation that uses a Map.
    • Constructor Detail

      • MapStrLookup

        MapStrLookup​(Map<String,​V> map)
        Creates a new instance backed by a Map.
        Parameters:
        map - the map of keys to values, may be null
    • Method Detail

      • lookup

        public String lookup​(String key)
        Looks up a String key to a String value using the map.

        If the map is null, then null is returned. The map result object is converted to a string using toString().

        Parameters:
        key - the key to be looked up, may be null
        Returns:
        The matching value, null if no match