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diff --git a/src/org/apache/http/protocol/ResponseConnControl.java b/src/org/apache/http/protocol/ResponseConnControl.java
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+/*
+ * $HeadURL: http://svn.apache.org/repos/asf/httpcomponents/httpcore/trunk/module-main/src/main/java/org/apache/http/protocol/ResponseConnControl.java $
+ * $Revision: 618017 $
+ * $Date: 2008-02-03 08:42:22 -0800 (Sun, 03 Feb 2008) $
+ *
+ * ====================================================================
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF 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.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation.  For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ *
+ */
+
+package org.apache.http.protocol;
+
+import java.io.IOException;
+
+import org.apache.http.Header;
+import org.apache.http.HttpEntity;
+import org.apache.http.HttpException;
+import org.apache.http.HttpRequest;
+import org.apache.http.HttpResponse;
+import org.apache.http.HttpResponseInterceptor;
+import org.apache.http.HttpStatus;
+import org.apache.http.HttpVersion;
+import org.apache.http.ProtocolVersion;
+
+/**
+ * A response interceptor that suggests connection keep-alive to the client.
+ * For use on the server side.
+ *
+ * @author <a href="mailto:oleg at ural.ru">Oleg Kalnichevski</a>
+ *
+ * @version $Revision: 618017 $
+ * 
+ * @since 4.0
+ */
+public class ResponseConnControl implements HttpResponseInterceptor {
+
+    public ResponseConnControl() {
+        super();
+    }
+    
+    public void process(final HttpResponse response, final HttpContext context) 
+            throws HttpException, IOException {
+        if (response == null) {
+            throw new IllegalArgumentException("HTTP response may not be null");
+        }
+        if (context == null) {
+            throw new IllegalArgumentException("HTTP context may not be null");
+        }
+        // Always drop connection after certain type of responses
+        int status = response.getStatusLine().getStatusCode();
+        if (status == HttpStatus.SC_BAD_REQUEST ||
+                status == HttpStatus.SC_REQUEST_TIMEOUT ||
+                status == HttpStatus.SC_LENGTH_REQUIRED ||
+                status == HttpStatus.SC_REQUEST_TOO_LONG ||
+                status == HttpStatus.SC_REQUEST_URI_TOO_LONG ||
+                status == HttpStatus.SC_SERVICE_UNAVAILABLE ||
+                status == HttpStatus.SC_NOT_IMPLEMENTED) {
+            response.setHeader(HTTP.CONN_DIRECTIVE, HTTP.CONN_CLOSE);
+            return;
+        }
+        // Always drop connection for HTTP/1.0 responses and below
+        // if the content body cannot be correctly delimited
+        HttpEntity entity = response.getEntity();
+        if (entity != null) {
+            ProtocolVersion ver = response.getStatusLine().getProtocolVersion();
+            if (entity.getContentLength() < 0 && 
+                    (!entity.isChunked() || ver.lessEquals(HttpVersion.HTTP_1_0))) {
+                response.setHeader(HTTP.CONN_DIRECTIVE, HTTP.CONN_CLOSE);
+                return;
+            }
+        }
+        // Drop connection if requested by the client
+        HttpRequest request = (HttpRequest)
+            context.getAttribute(ExecutionContext.HTTP_REQUEST);
+        if (request != null) {
+            Header header = request.getFirstHeader(HTTP.CONN_DIRECTIVE);
+            if (header != null) {
+                response.setHeader(HTTP.CONN_DIRECTIVE, header.getValue());
+            }
+        }
+    }
+    
+}