2004-03-18 Michael Koch <konqueror@gmx.de>

	* java/nio/channels/spi/AbstractSelectableChannel.java
	(keys): Initialize at declaration.
	(locate): keys cant be null.
	(add): Removed.
	(addSelectionKey): New method.
	(removeSelectionKey): New method.
	* java/nio/channels/spi/AbstractSelectionKey.java
	(cancel): Call AbstractSelector.cancelKey(SelectionKey key).
	* java/nio/channels/spi/AbstractSelector.java
	(provider): Javadoc added.
	(cancelledKeys): Javadoc added.
	(cancelKey): Javadoc added, add key to cancelledKeys.
	(deregister): Implemented.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@79640 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 13 insertions, 11 deletions

diff --git a/libjava/java/nio/channels/spi/AbstractSelectableChannel.java b/libjava/java/nio/channels/spi/AbstractSelectableChannel.java
index 0a872bc7bc8..a07485df85f 100644
--- a/libjava/java/nio/channels/spi/AbstractSelectableChannel.java
+++ b/libjava/java/nio/channels/spi/AbstractSelectableChannel.java
@@ -51,7 +51,7 @@ public abstract class AbstractSelectableChannel extends SelectableChannel
   private boolean blocking = true;
   private Object LOCK = new Object();
   private SelectorProvider provider;
-  private LinkedList keys;
+  private LinkedList keys = new LinkedList();
 
   /**
    * Initializes the channel
@@ -59,7 +59,6 @@ public abstract class AbstractSelectableChannel extends SelectableChannel
   protected AbstractSelectableChannel (SelectorProvider provider)
   {
     this.provider = provider;
-    this.keys = new LinkedList();
   }
 
   /**
@@ -160,9 +159,6 @@ public abstract class AbstractSelectableChannel extends SelectableChannel
 
   private SelectionKey locate (Selector selector)
   {
-    if (keys == null)
-      return null;
-    
     ListIterator it = keys.listIterator ();
     
     while (it.hasNext ())
@@ -176,11 +172,6 @@ public abstract class AbstractSelectableChannel extends SelectableChannel
     return null;
   }
 
-  private void add (SelectionKey key)
-  {
-    keys.add (key);
-  }
-
   /**
    * Registers this channel with the given selector, returning a selection key.
    *
@@ -209,10 +200,21 @@ public abstract class AbstractSelectableChannel extends SelectableChannel
             key = selector.register (this, ops, att);
     		
             if (key != null)
-              add (key);
+              addSelectionKey (key);
           }
       }
 
     return key;
   }
+
+  void addSelectionKey(SelectionKey key)
+  {
+    keys.add(key);
+  }
+
+  // This method gets called by AbstractSelector.deregister().
+  void removeSelectionKey(SelectionKey key)
+  {
+    keys.remove(key);
+  }
 }