/// <summary>
/// Returns the next Event or {@code null} if there are no more events or
/// the walker is closed.
/// </summary>
internal virtual Event Next()
{
DirectoryNode top = Stack.Peek();
if (top == null)
{
return(null); // stack is empty, we are done
}
// continue iteration of the directory at the top of the stack
Event ev;
do
{
Path entry = null;
IOException ioe = null;
// get next entry in the directory
if (!top.Skipped())
{
IEnumerator <Path> iterator = top.Iterator();
try
{
//JAVA TO C# CONVERTER TODO TASK: Java iterators are only converted within the context of 'while' and 'for' loops:
if (iterator.hasNext())
{
//JAVA TO C# CONVERTER TODO TASK: Java iterators are only converted within the context of 'while' and 'for' loops:
entry = iterator.next();
}
}
catch (DirectoryIteratorException x)
{
ioe = x.InnerException;
}
}
// no next entry so close and pop directory, creating corresponding event
if (entry == null)
{
try
{
top.Stream().Close();
}
catch (IOException e)
{
if (ioe != null)
{
ioe = e;
}
else
{
ioe.AddSuppressed(e);
}
}
Stack.Pop();
return(new Event(EventType.END_DIRECTORY, top.Directory(), ioe));
}
// visit the entry
ev = Visit(entry, true, true); // canUseCached - ignoreSecurityException
} while (ev == null);
return(ev);
}
