diff options
| author | Tom Tromey <tromey@redhat.com> | 2001-09-05 00:14:15 +0000 |
|---|---|---|
| committer | Tom Tromey <tromey@gcc.gnu.org> | 2001-09-05 00:14:15 +0000 |
| commit | ef671f41754b1eef032f3f284b0b1bc8941b7941 (patch) | |
| tree | b7dd4d926364b268113ef2244884dd0c479dce1b /libjava | |
| parent | a1f4e5ed0ad7c060fc1b90c3b363877cb8cca198 (diff) | |
| download | gcc-ef671f41754b1eef032f3f284b0b1bc8941b7941.zip gcc-ef671f41754b1eef032f3f284b0b1bc8941b7941.tar.gz gcc-ef671f41754b1eef032f3f284b0b1bc8941b7941.tar.bz2 | |
AbstractMap.java: Re-merged with Classpath.
* java/util/AbstractMap.java: Re-merged with Classpath.
* java/util/IdentityHashMap.java: Re-merged with Classpath.
From-SVN: r45391
Diffstat (limited to 'libjava')
| -rw-r--r-- | libjava/ChangeLog | 3 | ||||
| -rw-r--r-- | libjava/java/util/AbstractMap.java | 8 | ||||
| -rw-r--r-- | libjava/java/util/IdentityHashMap.java | 17 |
3 files changed, 25 insertions, 3 deletions
diff --git a/libjava/ChangeLog b/libjava/ChangeLog index 1a542aa..0a9400f 100644 --- a/libjava/ChangeLog +++ b/libjava/ChangeLog @@ -1,5 +1,8 @@ 2001-09-04 Tom Tromey <tromey@redhat.com> + * java/util/AbstractMap.java: Re-merged with Classpath. + * java/util/IdentityHashMap.java: Re-merged with Classpath. + * java/text/SimpleDateFormat.java: Re-merged with Classpath. * gnu/gcj/text/LocaleData.java, gnu/gcj/text/LocaleData_en.java, gnu/gcj/text/LocaleData_en_US.java: Removed. diff --git a/libjava/java/util/AbstractMap.java b/libjava/java/util/AbstractMap.java index 7ce7305..e28ce91 100644 --- a/libjava/java/util/AbstractMap.java +++ b/libjava/java/util/AbstractMap.java @@ -47,6 +47,14 @@ public abstract class AbstractMap implements Map entrySet().clear(); } + /** + * Create a shallow copy of this Map, no keys or values are copied. + */ + protected Object clone () throws CloneNotSupportedException + { + return super.clone (); + } + public boolean containsKey(Object key) { Object k; diff --git a/libjava/java/util/IdentityHashMap.java b/libjava/java/util/IdentityHashMap.java index 5a1d76b..c23f8ac 100644 --- a/libjava/java/util/IdentityHashMap.java +++ b/libjava/java/util/IdentityHashMap.java @@ -83,11 +83,22 @@ public class IdentityHashMap extends AbstractMap size = 0; } + /** + * Creates a shallow copy where keys and values are not cloned. + */ public Object clone () { - IdentityHashMap copy = (IdentityHashMap) super.clone (); - copy.table = (Object[]) table.clone (); - return copy; + try + { + IdentityHashMap copy = (IdentityHashMap) super.clone (); + copy.table = (Object[]) table.clone (); + return copy; + } + catch (CloneNotSupportedException e) + { + // Can't happen. + return null; + } } public boolean containsKey (Object key) |