Package me.hsgamer.hscore.common

Class MapUtils

java.lang.Object
me.hsgamer.hscore.common.MapUtils
public class MapUtils extends Object
Methods on Map

  • Method Details

    • getIfFoundOrDefault

      @SafeVarargs public static <K, V> V getIfFoundOrDefault(Map<K,V> map, V defaultValue, K... key)
      Get the value given the key from the map
      Type Parameters:
      K - the key type
      V - the value type
      Parameters:
      map - the map
      defaultValue - the default value
      key - the key
      Returns:
      the value

    • getIfFound

      @SafeVarargs public static <K, V> V getIfFound(Map<K,V> map, K... key)
      Get the value given the key from the map
      Type Parameters:
      K - the key type
      V - the value type
      Parameters:
      map - the map
      key - the key
      Returns:
      the value, or null if not found

    • getOptional

      @SafeVarargs public static <K, V> Optional<V> getOptional(Map<K,V> map, K... key)
      Get the value given the key from the map
      Type Parameters:
      K - the key type
      V - the value type
      Parameters:
      map - the map
      key - the key
      Returns:
      the value, or empty optional if not found

    • containsAnyKey

      @SafeVarargs public static <K> boolean containsAnyKey(Map<K,?> map, K... key)
      Check if the map contains any of the keys
      Type Parameters:
      K - the key type
      Parameters:
      map - the map
      key - the key
      Returns:
      true if it does

    • castOptionalStringObjectMap

      public static Optional<Map<String,Object>> castOptionalStringObjectMap(Object object, boolean unsafe)
      Cast to the optional string-object map
      Parameters:
      object - the object
      unsafe - whether to cast unsafe. Set to false if you want to ensure the map is string-object map, but it will be slower.
      Returns:
      the map, or empty optional if it's not a map

    • castOptionalStringObjectMap

      public static Optional<Map<String,Object>> castOptionalStringObjectMap(Object object)
      Cast to the optional string-object map
      Parameters:
      object - the object
      Returns:
      the map

    • createLowercaseStringMap

      public static <V, M extends Map<String, V>> M createLowercaseStringMap(Map<String,V> map, Supplier<M> mapSupplier)
      Create a new map with lowercase keys
      Type Parameters:
      V - the value type
      M - the map type
      Parameters:
      map - the map
      mapSupplier - the map constructor
      Returns:
      the new map

    • createLowercaseStringMap

      public static <V> Map<String,V> createLowercaseStringMap(Map<String,V> map)
      Create a LinkedHashMap with lowercase keys
      Type Parameters:
      V - the value type
      Parameters:
      map - the map
      Returns:
      the new map