diff options
Diffstat (limited to 'libjava/classpath/java/util/EnumMap.java')
-rw-r--r-- | libjava/classpath/java/util/EnumMap.java | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/libjava/classpath/java/util/EnumMap.java b/libjava/classpath/java/util/EnumMap.java index 477dff8e0ab..b7187b935f2 100644 --- a/libjava/classpath/java/util/EnumMap.java +++ b/libjava/classpath/java/util/EnumMap.java @@ -1,5 +1,5 @@ /* EnumMap.java - Map where keys are enum constants - Copyright (C) 2004, 2005 Free Software Foundation, Inc. + Copyright (C) 2004, 2005, 2007 Free Software Foundation, Inc. This file is part of GNU Classpath. @@ -140,7 +140,8 @@ public class EnumMap<K extends Enum<K>, V> Enum<K> e = (Enum<K>) key; if (e.getDeclaringClass() != enumClass) return null; - return store[e.ordinal()]; + V o = store[e.ordinal()]; + return o == emptySlot ? null : o; } public V put(K key, V value) @@ -387,8 +388,18 @@ public class EnumMap<K extends Enum<K>, V> public EnumMap<K, V> clone() { - /* This constructor provides this functionality */ - return new EnumMap(this); + EnumMap<K, V> result; + try + { + result = (EnumMap<K, V>) super.clone(); + } + catch (CloneNotSupportedException ignore) + { + // Can't happen. + result = null; + } + result.store = (V[]) store.clone(); + return result; } } |