org.apache.commons.collections.list
Class PredicatedList
java.lang.Object
|
+--org.apache.commons.collections.collection.AbstractCollectionDecorator
|
+--org.apache.commons.collections.collection.PredicatedCollection
|
+--org.apache.commons.collections.list.PredicatedList
- All Implemented Interfaces:
- Collection, List
- public class PredicatedList
- extends PredicatedCollection
- implements List
Decorates another List
to validate that all additions
match a specified predicate.
If an object cannot be added to the list, an IllegalArgumentException is thrown.
- Since:
- Commons Collections 3.0
- Version:
- $Revision: 1.2 $ $Date: 2004/01/14 21:43:17 $
- Author:
- Stephen Colebourne, Paul Jack
Methods inherited from class org.apache.commons.collections.collection.AbstractCollectionDecorator |
clear, contains, containsAll, equals, getCollection, hashCode, isEmpty, iterator, remove, removeAll, retainAll, size, toArray, toArray, toString |
Methods inherited from interface java.util.List |
add, addAll, clear, contains, containsAll, equals, hashCode, isEmpty, iterator, remove, removeAll, retainAll, size, toArray, toArray |
PredicatedList
protected PredicatedList(List list,
Predicate predicate)
- Constructor that wraps (not copies).
If there are any elements already in the list being decorated, they
are validated.
- Parameters:
list
- the list to decorate, must not be nullpredicate
- the predicate to use for validation, must not be null- Throws:
IllegalArgumentException
- if list or predicate is nullIllegalArgumentException
- if the list contains invalid elements
decorate
public static List decorate(List list,
Predicate predicate)
- Factory method to create a predicated (validating) list.
If there are any elements already in the list being decorated, they
are validated.
- Parameters:
list
- the list to decorate, must not be nullpredicate
- the predicate to use for validation, must not be null- Throws:
IllegalArgumentException
- if list or predicate is nullIllegalArgumentException
- if the list contains invalid elements
getList
protected List getList()
- Gets the list being decorated.
- Returns:
- the decorated list
get
public Object get(int index)
- Specified by:
get
in interface List
indexOf
public int indexOf(Object object)
- Specified by:
indexOf
in interface List
lastIndexOf
public int lastIndexOf(Object object)
- Specified by:
lastIndexOf
in interface List
remove
public Object remove(int index)
- Specified by:
remove
in interface List
add
public void add(int index,
Object object)
- Specified by:
add
in interface List
addAll
public boolean addAll(int index,
Collection coll)
- Specified by:
addAll
in interface List
listIterator
public ListIterator listIterator()
- Specified by:
listIterator
in interface List
listIterator
public ListIterator listIterator(int i)
- Specified by:
listIterator
in interface List
set
public Object set(int index,
Object object)
- Specified by:
set
in interface List
subList
public List subList(int fromIndex,
int toIndex)
- Specified by:
subList
in interface List
Copyright © 2001-2004 Apache Software Foundation. All Rights Reserved.