org.mortbay.util
Class SingletonList

java.lang.Object
  extended by java.util.AbstractCollection<E>
      extended by java.util.AbstractList
          extended by org.mortbay.util.SingletonList
All Implemented Interfaces:
java.lang.Iterable, java.util.Collection, java.util.List

public class SingletonList
extends java.util.AbstractList

Singleton List. This simple efficient implementation of a List with a single element is provided for JDK 1.2 JVMs, which do not provide the Collections.singletonList method.

Version:
$Revision: 1.3 $
Author:
Greg Wilkins (gregw)

Field Summary
 
Fields inherited from class java.util.AbstractList
modCount
 
Method Summary
 java.lang.Object get(int i)
           
 java.util.Iterator iterator()
           
 java.util.ListIterator listIterator()
           
 java.util.ListIterator listIterator(int i)
           
static SingletonList newSingletonList(java.lang.Object o)
           
 int size()
           
 
Methods inherited from class java.util.AbstractList
add, add, addAll, clear, equals, hashCode, indexOf, lastIndexOf, remove, removeRange, set, subList
 
Methods inherited from class java.util.AbstractCollection
addAll, contains, containsAll, isEmpty, remove, removeAll, retainAll, toArray, toArray, toString
 
Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait
 
Methods inherited from interface java.util.List
addAll, contains, containsAll, isEmpty, remove, removeAll, retainAll, toArray, toArray
 

Method Detail

newSingletonList

public static SingletonList newSingletonList(java.lang.Object o)

get

public java.lang.Object get(int i)
Specified by:
get in interface java.util.List
Specified by:
get in class java.util.AbstractList

size

public int size()
Specified by:
size in interface java.util.Collection
Specified by:
size in interface java.util.List
Specified by:
size in class java.util.AbstractCollection

listIterator

public java.util.ListIterator listIterator()
Specified by:
listIterator in interface java.util.List
Overrides:
listIterator in class java.util.AbstractList

listIterator

public java.util.ListIterator listIterator(int i)
Specified by:
listIterator in interface java.util.List
Overrides:
listIterator in class java.util.AbstractList

iterator

public java.util.Iterator iterator()
Specified by:
iterator in interface java.lang.Iterable
Specified by:
iterator in interface java.util.Collection
Specified by:
iterator in interface java.util.List
Overrides:
iterator in class java.util.AbstractList


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