/** * Returns an unmodifiable {@link CharArrayMap}. This allows to provide * unmodifiable views of internal map for "read-only" use. * * @param map * a map for which the unmodifiable map is returned. * @return an new unmodifiable {@link CharArrayMap}. * @throws NullPointerException * if the given map is <code>null</code>. */ public static <V> CharArrayMap<V> unmodifiableMap(CharArrayMap<V> map) { if (map == null) throw new NullPointerException("Given map is null"); if (map == emptyMap() || map.isEmpty()) return emptyMap(); if (map instanceof UnmodifiableCharArrayMap) return map; return new UnmodifiableCharArrayMap<>(map); }
/** * Returns an unmodifiable {@link CharArrayMap}. This allows to provide * unmodifiable views of internal map for "read-only" use. * * @param map * a map for which the unmodifiable map is returned. * @return an new unmodifiable {@link CharArrayMap}. * @throws NullPointerException * if the given map is <code>null</code>. */ public static <V> CharArrayMap<V> unmodifiableMap(CharArrayMap<V> map) { if (map == null) throw new NullPointerException("Given map is null"); if (map == emptyMap() || map.isEmpty()) return emptyMap(); if (map instanceof UnmodifiableCharArrayMap) return map; return new UnmodifiableCharArrayMap<V>(map); }
public static <V> CharArrayMap<V> copy(final Map<?,? extends V> map) { if(map == EMPTY_MAP) return emptyMap(); if(map instanceof CharArrayMap) { CharArrayMap<V> m = (CharArrayMap<V>) map;
public static <V> CharArrayMap<V> copy(final Map<?,? extends V> map) { if(map == EMPTY_MAP) return emptyMap(); if(map instanceof CharArrayMap) { CharArrayMap<V> m = (CharArrayMap<V>) map;