Moved ImmediateExecutor and its test class to org.jboss.netty.handler.ssl because it's used only there. Actually there was another unrelated reference, so I simply forked.

src/main/java/org/jboss/netty/handler/ssl/ImmediateExecutor.java

@@ -13,7 +13,7 @@
  * License for the specific language governing permissions and limitations
  * under the License.
  */
-package org.jboss.netty.util.internal;
+package org.jboss.netty.handler.ssl;
 
 import java.util.concurrent.Executor;
 
@@ -26,12 +26,12 @@ import java.util.concurrent.Executor;
  * @version $Rev$, $Date$
  *
  */
-public class ImmediateExecutor implements Executor {
+final class ImmediateExecutor implements Executor {
 
     /**
      * The default instance.
      */
-    public static final ImmediateExecutor INSTANCE = new ImmediateExecutor();
+    static final ImmediateExecutor INSTANCE = new ImmediateExecutor();
 
     public void execute(Runnable command) {
         command.run();

src/main/java/org/jboss/netty/handler/ssl/SslHandler.java

@@ -50,7 +50,6 @@ import org.jboss.netty.channel.MessageEvent;
 import org.jboss.netty.handler.codec.frame.FrameDecoder;
 import org.jboss.netty.logging.InternalLogger;
 import org.jboss.netty.logging.InternalLoggerFactory;
-import org.jboss.netty.util.internal.ImmediateExecutor;
 
 /**
  * Adds <a href="http://en.wikipedia.org/wiki/Transport_Layer_Security">SSL

src/test/java/org/jboss/netty/handler/ssl/ImmediateExecutorTest.java

@@ -13,7 +13,7 @@
  * License for the specific language governing permissions and limitations
  * under the License.
  */
-package org.jboss.netty.util.internal;
+package org.jboss.netty.handler.ssl;
 
 import static org.junit.Assert.*;
 

src/test/java/org/jboss/netty/util/ThreadRenamingRunnableTest.java

@@ -21,7 +21,6 @@ import static org.junit.Assert.*;
 import java.security.Permission;
 import java.util.concurrent.Executor;
 
-import org.jboss.netty.util.internal.ImmediateExecutor;
 import org.junit.Test;
 
 
@@ -47,7 +46,7 @@ public class ThreadRenamingRunnableTest {
     @Test
     public void testWithoutSecurityManager() throws Exception {
         final String oldThreadName = Thread.currentThread().getName();
-        Executor e = ImmediateExecutor.INSTANCE;
+        Executor e = new ImmediateExecutor();
         e.execute(new ThreadRenamingRunnable(
                 new Runnable() {
                     public void run() {
@@ -62,7 +61,7 @@ public class ThreadRenamingRunnableTest {
     @Test
     public void testWithSecurityManager() throws Exception {
         final String oldThreadName = Thread.currentThread().getName();
-        Executor e = ImmediateExecutor.INSTANCE;
+        Executor e = new ImmediateExecutor();
         System.setSecurityManager(new SecurityManager() {
 
             @Override
@@ -92,4 +91,16 @@ public class ThreadRenamingRunnableTest {
             assertEquals(oldThreadName, Thread.currentThread().getName());
         }
     }
+
+    private static class ImmediateExecutor implements Executor {
+
+        ImmediateExecutor() {
+            super();
+        }
+
+        public void execute(Runnable command) {
+            command.run();
+        }
+    }
+
 }