org.extex.scanner.stream.observer.file
Class OpenFileObserverList

java.lang.Object
  java.util.AbstractCollection<E>
      java.util.AbstractList<E>
          java.util.ArrayList<OpenFileObserver>
              org.extex.scanner.stream.observer.file.OpenFileObserverList

All Implemented Interfaces:

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

public final class OpenFileObserverList
extends java.util.ArrayList<OpenFileObserver>
implements OpenFileObserver

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

Version:

$Revision: 4738 $

Author:

Gerd Neugebauer

See Also:

Serialized Form

Field Summary

Fields inherited from class java.util.AbstractList

modCount

Constructor Summary

OpenFileObserverList()

Method Summary

static OpenFileObserver	register(OpenFileObserver list, OpenFileObserver observer) Take a list and add an observer.
void	update(java.lang.String filename, java.lang.String filetype, java.io.InputStream stream) Invoke all observers on the list to inform them of the file 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

OpenFileObserverList

public OpenFileObserverList()

Method Detail

register

public static OpenFileObserver register(OpenFileObserver list,
                                        OpenFileObserver 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.lang.String filename,
                   java.lang.String filetype,
                   java.io.InputStream stream)

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

Specified by:

update in interface OpenFileObserver

Parameters:

filename - the name of the file to be opened

filetype - the type of the file to be opened. The type is resolved via the configuration to a file name pattern

stream - the input stream to read from

See Also:

OpenFileObserver.update( java.lang.String, java.lang.String, java.io.InputStream)