* Added ZlibWrapper (not being used yet though)

* Removed completed todo item in ZlibEncoder

src/main/java/org/jboss/netty/handler/codec/compression/ZlibEncoder.java

@@ -51,7 +51,6 @@ public class ZlibEncoder extends OneToOneEncoder {
     // TODO 'do not compress' once option
     // TODO support three wrappers - zlib (default), gzip (unsupported by jzlib, but easy to implement), nowrap
     // TODO Disallow preset dictionary for gzip
-    // TODO add close() method
 
     /**
      * Creates a new zlib encoder with the default compression level

src/main/java/org/jboss/netty/handler/codec/compression/ZlibWrapper.java

@@ -0,0 +1,39 @@
+/*
+ * Copyright 2009 Red Hat, Inc.
+ *
+ * Red Hat licenses this file to you under the Apache License, version 2.0
+ * (the "License"); you may not use this file except in compliance with the
+ * License.  You may obtain a copy of the License at:
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ */
+package org.jboss.netty.handler.codec.compression;
+
+/**
+ * The container file formats that wrap the stream compressed by the DEFLATE
+ * algorithm.
+ *
+ * @author The Netty Project (netty-dev@lists.jboss.org)
+ * @author Trustin Lee (tlee@redhat.com)
+ * @version $Rev$, $Date$
+ */
+public enum ZlibWrapper {
+    /**
+     * The ZLIB wrapper as specified in <a href="http://tools.ietf.org/html/rfc1950">RFC 1950</a>.
+     */
+    ZLIB,
+    /**
+     * The GZIP wrapper as specified in <a href="http://tools.ietf.org/html/rfc1950">RFC 1952</a>.
+     */
+    GZIP,
+    /**
+     * Raw DEFLATE stream only (no header and no footer).
+     */
+    NONE;
+}