diff options
Diffstat (limited to 'libjava/java/util/AbstractSequentialList.java')
| -rw-r--r-- | libjava/java/util/AbstractSequentialList.java | 47 |
1 files changed, 26 insertions, 21 deletions
diff --git a/libjava/java/util/AbstractSequentialList.java b/libjava/java/util/AbstractSequentialList.java index 69bdc4ae220..07809da0c41 100644 --- a/libjava/java/util/AbstractSequentialList.java +++ b/libjava/java/util/AbstractSequentialList.java @@ -1,5 +1,5 @@ /* AbstractSequentialList.java -- List implementation for sequential access - Copyright (C) 1998, 1999 Free Software Foundation, Inc. + Copyright (C) 1998, 1999, 2000 Free Software Foundation, Inc. This file is part of GNU Classpath. @@ -7,7 +7,7 @@ GNU Classpath is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. - + GNU Classpath is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU @@ -36,7 +36,8 @@ package java.util; * Abstract superclass to make it easier to implement the List interface when * backed by a sequential-access store, such as a linked list. */ -public abstract class AbstractSequentialList extends AbstractList { +public abstract class AbstractSequentialList extends AbstractList +{ /** * Returns a ListIterator over the list, starting from position index. @@ -57,27 +58,30 @@ public abstract class AbstractSequentialList extends AbstractList { * @exception UnsupportedOperationException if the iterator returned by * listIterator(index) does not support the add method. */ - public void add(int index, Object o) { + public void add(int index, Object o) + { ListIterator i = listIterator(index); i.add(o); } - public boolean addAll(int index, Collection c) { - boolean changed = false; + public boolean addAll(int index, Collection c) + { + boolean modified = false; Iterator ci = c.iterator(); + int size = c.size(); ListIterator i = listIterator(index); - while (ci.hasNext()) { - i.add(ci.next()); - changed = true; - } - return changed; + for (int pos = 0; pos < size; pos++) + { + i.add(ci.next()); + } + return (size > 0); } - public Object get(int index) { + public Object get(int index) + { ListIterator i = listIterator(index); - if (!i.hasNext()) { + if (index < 0 || index > size()) throw new IndexOutOfBoundsException(); - } return i.next(); } @@ -87,25 +91,26 @@ public abstract class AbstractSequentialList extends AbstractList { * * @return an Iterator over this List */ - public Iterator iterator() { + public Iterator iterator() + { return listIterator(); } - public Object remove(int index) { + public Object remove(int index) + { ListIterator i = listIterator(index); - if (!i.hasNext()) { + if (index < 0 || index > size()) throw new IndexOutOfBoundsException(); - } Object removed = i.next(); i.remove(); return removed; } - public Object set(int index, Object o) { + public Object set(int index, Object o) + { ListIterator i = listIterator(index); - if (!i.hasNext()) { + if (index < 0 || index > size()) throw new IndexOutOfBoundsException(); - } Object old = i.next(); i.set(o); return old; |
