From 32e0b597612a0c9050ba515de9970b520bae1fac Mon Sep 17 00:00:00 2001
From: Norman Maurer <nmaurer@redhat.com>
Date: Fri, 8 Feb 2013 07:10:46 +0100
Subject: [PATCH] Let ChannelPipeline implement Iterable

---
 .../src/main/java/io/netty/channel/ChannelPipeline.java     | 4 +++-
 .../main/java/io/netty/channel/DefaultChannelPipeline.java  | 6 ++++++
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/transport/src/main/java/io/netty/channel/ChannelPipeline.java b/transport/src/main/java/io/netty/channel/ChannelPipeline.java
index d3b7293420..759e108531 100644
--- a/transport/src/main/java/io/netty/channel/ChannelPipeline.java
+++ b/transport/src/main/java/io/netty/channel/ChannelPipeline.java
@@ -23,6 +23,7 @@ import java.io.InputStream;
 import java.io.OutputStream;
 import java.util.List;
 import java.util.Map;
+import java.util.Map.Entry;
 import java.util.NoSuchElementException;
 
 
@@ -177,7 +178,8 @@ import java.util.NoSuchElementException;
  * @apiviz.composedOf io.netty.channel.ChannelHandlerContext
  * @apiviz.owns       io.netty.channel.ChannelHandler
  */
-public interface ChannelPipeline extends ChannelInboundInvoker, ChannelOutboundInvoker {
+public interface ChannelPipeline extends ChannelInboundInvoker, ChannelOutboundInvoker,
+        Iterable<Entry<String, ChannelHandler>> {
 
     /**
      * Return the bound {@link MessageBuf} of the first {@link ChannelInboundMessageHandler} in the
diff --git a/transport/src/main/java/io/netty/channel/DefaultChannelPipeline.java b/transport/src/main/java/io/netty/channel/DefaultChannelPipeline.java
index 63ee78c64e..63f166a0b0 100755
--- a/transport/src/main/java/io/netty/channel/DefaultChannelPipeline.java
+++ b/transport/src/main/java/io/netty/channel/DefaultChannelPipeline.java
@@ -28,6 +28,7 @@ import java.net.SocketAddress;
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.IdentityHashMap;
+import java.util.Iterator;
 import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.Map;
@@ -1322,4 +1323,9 @@ final class DefaultChannelPipeline implements ChannelPipeline {
             unsafe.flush(promise);
         }
     }
+
+    @Override
+    public Iterator<Map.Entry<String, ChannelHandler>> iterator() {
+        return toMap().entrySet().iterator();
+    }
 }