org.extex.scanner.stream.observer.reader
Class OpenReaderObserverList

java.lang.Object
  java.util.AbstractCollection<E>
      java.util.AbstractList<E>
          java.util.ArrayList<OpenReaderObserver>
              org.extex.scanner.stream.observer.reader.OpenReaderObserverList

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable, java.lang.Iterable<OpenReaderObserver>, java.util.Collection<OpenReaderObserver>, java.util.List<OpenReaderObserver>, java.util.RandomAccess, OpenReaderObserver

public final class OpenReaderObserverList
extends java.util.ArrayList<OpenReaderObserver>
implements OpenReaderObserver

This class provides a type-safe list of observers for the open reader event.

Version:

$Revision: 4738 $

Author:

Gerd Neugebauer

See Also:

Serialized Form

Field Summary

Fields inherited from class java.util.AbstractList

modCount

Constructor Summary

OpenReaderObserverList()

Method Summary

static OpenReaderObserver	register(OpenReaderObserver list, OpenReaderObserver observer) Take a list and add an observer.
void	update(java.io.Reader reader) Invoke all observers on the list to inform them of the reader which has been opened.

Methods inherited from class java.util.ArrayList

add, add, addAll, addAll, clear, clone, contains, ensureCapacity, get, indexOf, isEmpty, lastIndexOf, remove, remove, removeRange, set, size, toArray, toArray, trimToSize

Methods inherited from class java.util.AbstractList

equals, hashCode, iterator, listIterator, listIterator, subList

Methods inherited from class java.util.AbstractCollection

containsAll, removeAll, retainAll, toString

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.List

containsAll, equals, hashCode, iterator, listIterator, listIterator, removeAll, retainAll, subList

Constructor Detail

OpenReaderObserverList

public OpenReaderObserverList()

Method Detail

register

public static OpenReaderObserver register(OpenReaderObserver list,
                                          OpenReaderObserver observer)

Take a list and add an observer. If the list is null then a new one is created.

Parameters:

list - the input list or null

observer - the observer to add

Returns:

the input list or a new one with the observer added

update

public void update(java.io.Reader reader)

Invoke all observers on the list to inform them of the reader which has been opened.

Specified by:

update in interface OpenReaderObserver

Parameters:

reader - the reader to be processed

See Also:

OpenReaderObserver.update( java.io.Reader)