diff -r 88b85470e72c -r f50545b5e2f1 src/share/jaxws_classes/com/sun/xml/internal/ws/api/client/ServiceInterceptor.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/share/jaxws_classes/com/sun/xml/internal/ws/api/client/ServiceInterceptor.java	Tue Mar 06 16:09:35 2012 -0800
@@ -0,0 +1,125 @@
+/*
+ * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package com.sun.xml.internal.ws.api.client;
+
+import com.sun.istack.internal.NotNull;
+import com.sun.istack.internal.Nullable;
+import com.sun.xml.internal.ws.api.BindingID;
+import com.sun.xml.internal.ws.api.WSBinding;
+import com.sun.xml.internal.ws.api.WSFeatureList;
+import com.sun.xml.internal.ws.api.WSService;
+import com.sun.xml.internal.ws.developer.WSBindingProvider;
+
+import javax.xml.ws.BindingProvider;
+import javax.xml.ws.Dispatch;
+import javax.xml.ws.WebServiceFeature;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+/**
+ * Interception point for inner working of {@link WSService}.
+ *
+ * <p>
+ * System-level code could hook an implementation of this to
+ * {@link WSService} to augument its behavior.
+ *
+ * @author Kohsuke Kawaguchi
+ * @since 2.1 EA3
+ * @see ServiceInterceptorFactory
+ */
+public abstract class ServiceInterceptor {
+    /**
+     * Called before {@link WSBinding} is created, to allow interceptors
+     * to add {@link WebServiceFeature}s to the created {@link WSBinding}.
+     *
+     * @param port
+     *      Information about the port for which dispatch/proxy will be created.
+     * @param serviceEndpointInterface
+     *      Null if the created binding is for {@link Dispatch}. Otheriwse
+     *      it represents the port interface of the proxy to be created.
+     * @param defaultFeatures
+     *      The list of features that are currently scheduled to be set for
+     *      the newly created {@link WSBinding}.
+     *
+     * @return
+     *      A set of features to be added to the newly created {@link WSBinding}.
+     *      Can be empty but never null.
+     *      <tt>defaultFeatures</tt> will take precedence over what this method
+     *      would return (because it includes user-specified ones which will
+     *      take the at-most priority), but features you return from this method
+     *      will take precedence over {@link BindingID}'s
+     *      {@link BindingID#createBuiltinFeatureList() implicit features}.
+     */
+    public List<WebServiceFeature> preCreateBinding(@NotNull WSPortInfo port, @Nullable Class<?> serviceEndpointInterface, @NotNull WSFeatureList defaultFeatures) {
+        return Collections.emptyList();
+    }
+
+    /**
+     * A callback to notify the event of creation of proxy object for SEI endpoint. The
+     * callback could set some properties on the {@link BindingProvider}.
+     *
+     * @param bp created proxy instance
+     * @param serviceEndpointInterface SEI of the endpoint
+     */
+    public void postCreateProxy(@NotNull WSBindingProvider bp,@NotNull Class<?> serviceEndpointInterface) {
+    }
+
+    /**
+     * A callback to notify that a {@link Dispatch} object is created. The callback
+     * could set some properties on the {@link BindingProvider}.
+     *
+     * @param bp BindingProvider of dispatch object
+     */
+    public void postCreateDispatch(@NotNull WSBindingProvider bp) {
+    }
+
+    /**
+     * Aggregates multiple interceptors into one facade.
+     */
+    public static ServiceInterceptor aggregate(final ServiceInterceptor... interceptors) {
+        if(interceptors.length==1)
+            return interceptors[0];
+        return new ServiceInterceptor() {
+            public List<WebServiceFeature> preCreateBinding(@NotNull WSPortInfo port, @Nullable Class<?> portInterface, @NotNull WSFeatureList defaultFeatures) {
+                List<WebServiceFeature> r = new ArrayList<WebServiceFeature>();
+                for (ServiceInterceptor si : interceptors)
+                    r.addAll(si.preCreateBinding(port,portInterface,defaultFeatures));
+                return r;
+            }
+
+            public void postCreateProxy(@NotNull WSBindingProvider bp, @NotNull Class<?> serviceEndpointInterface) {
+                for (ServiceInterceptor si : interceptors)
+                    si.postCreateProxy(bp,serviceEndpointInterface);
+            }
+
+            public void postCreateDispatch(@NotNull WSBindingProvider bp) {
+                for (ServiceInterceptor si : interceptors)
+                    si.postCreateDispatch(bp);
+            }
+        };
+    }
+}