org.extex.scanner.stream.observer.writer
Class OpenWriterObserverList

java.lang.Object
  java.util.AbstractCollection<E>
      java.util.AbstractList<E>
          java.util.ArrayList<OpenWriterObserver>
              org.extex.scanner.stream.observer.writer.OpenWriterObserverList

All Implemented Interfaces:

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

public final class OpenWriterObserverList
extends java.util.ArrayList<OpenWriterObserver>
implements OpenWriterObserver

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

Version:

$Revision: 6135 $

Author:

Gerd Neugebauer

See Also:

Serialized Form

Field Summary

Fields inherited from class java.util.AbstractList

modCount

Constructor Summary

OpenWriterObserverList()

Method Summary

static OpenWriterObserver	register(OpenWriterObserver list, OpenWriterObserver observer) Take a list and add an observer.
void	update(java.io.Writer writer) Invoke all observers on the list to inform them of the writer 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

OpenWriterObserverList

public OpenWriterObserverList()

Method Detail

register

public static OpenWriterObserver register(OpenWriterObserver list,
                                          OpenWriterObserver 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.Writer writer)

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

Specified by:

update in interface OpenWriterObserver

Parameters:

writer - the writer to be processed

See Also:

OpenReaderObserver.update( java.io.Reader)