aoqi@0: /*
aoqi@0:  * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
aoqi@0:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0:  *
aoqi@0:  * This code is free software; you can redistribute it and/or modify it
aoqi@0:  * under the terms of the GNU General Public License version 2 only, as
aoqi@0:  * published by the Free Software Foundation.  Oracle designates this
aoqi@0:  * particular file as subject to the "Classpath" exception as provided
aoqi@0:  * by Oracle in the LICENSE file that accompanied this code.
aoqi@0:  *
aoqi@0:  * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@0:  * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0:  * accompanied this code).
aoqi@0:  *
aoqi@0:  * You should have received a copy of the GNU General Public License version
aoqi@0:  * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0:  *
aoqi@0:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0:  * or visit www.oracle.com if you need additional information or have any
aoqi@0:  * questions.
aoqi@0:  */
aoqi@0: 
aoqi@0: package com.sun.xml.internal.ws.api.pipe.helper;
aoqi@0: 
aoqi@0: import com.sun.istack.internal.NotNull;
aoqi@0: import com.sun.xml.internal.ws.api.message.Packet;
aoqi@0: import com.sun.xml.internal.ws.api.pipe.Fiber;
aoqi@0: import com.sun.xml.internal.ws.api.pipe.NextAction;
aoqi@0: import com.sun.xml.internal.ws.api.pipe.Pipe;
aoqi@0: import com.sun.xml.internal.ws.api.pipe.PipeCloner;
aoqi@0: import com.sun.xml.internal.ws.api.pipe.Tube;
aoqi@0: import com.sun.xml.internal.ws.api.pipe.TubeCloner;
aoqi@0: 
aoqi@0: /**
aoqi@0:  * {@link Tube} that invokes {@link Pipe}.
aoqi@0:  *
aoqi@0:  * <p>
aoqi@0:  * This can be used to make a {@link Pipe} look like a {@link Tube}.
aoqi@0:  *
aoqi@0:  * @author Kohsuke Kawaguchi
aoqi@0:  * @author Jitendra Kotamraju
aoqi@0:  */
aoqi@0: public class PipeAdapter extends AbstractTubeImpl {
aoqi@0:     private final Pipe next;
aoqi@0: 
aoqi@0:     public static Tube adapt(Pipe p) {
aoqi@0:         if (p instanceof Tube) {
aoqi@0:             return (Tube) p;
aoqi@0:         } else {
aoqi@0:             return new PipeAdapter(p);
aoqi@0:         }
aoqi@0:     }
aoqi@0: 
aoqi@0:     public static Pipe adapt(Tube p) {
aoqi@0:         if (p instanceof Pipe) {
aoqi@0:             return (Pipe) p;
aoqi@0:         } else {
aoqi@0:             class TubeAdapter extends AbstractPipeImpl {
aoqi@0:                 private final Tube t;
aoqi@0: 
aoqi@0:                 public TubeAdapter(Tube t) {
aoqi@0:                     this.t = t;
aoqi@0:                 }
aoqi@0: 
aoqi@0:                 private TubeAdapter(TubeAdapter that, PipeCloner cloner) {
aoqi@0:                     super(that, cloner);
aoqi@0:                     this.t = cloner.copy(that.t);
aoqi@0:                 }
aoqi@0: 
aoqi@0:                 public Packet process(Packet request) {
aoqi@0:                     return Fiber.current().runSync(t,request);
aoqi@0:                 }
aoqi@0: 
aoqi@0:                 public Pipe copy(PipeCloner cloner) {
aoqi@0:                     return new TubeAdapter(this,cloner);
aoqi@0:                 }
aoqi@0:             }
aoqi@0: 
aoqi@0:             return new TubeAdapter(p);
aoqi@0:         }
aoqi@0:     }
aoqi@0: 
aoqi@0: 
aoqi@0:     private PipeAdapter(Pipe next) {
aoqi@0:         this.next = next;
aoqi@0:     }
aoqi@0: 
aoqi@0:     /**
aoqi@0:      * Copy constructor
aoqi@0:      */
aoqi@0:     private PipeAdapter(PipeAdapter that, TubeCloner cloner) {
aoqi@0:         super(that,cloner);
aoqi@0:         this.next = ((PipeCloner)cloner).copy(that.next);
aoqi@0:     }
aoqi@0: 
aoqi@0:     /**
aoqi@0:      * Uses the current fiber and runs the whole pipe to the completion
aoqi@0:      * (meaning everything from now on will run synchronously.)
aoqi@0:      */
aoqi@0:     public @NotNull NextAction processRequest(@NotNull Packet p) {
aoqi@0:         return doReturnWith(next.process(p));
aoqi@0:     }
aoqi@0: 
aoqi@0:     public @NotNull NextAction processResponse(@NotNull Packet p) {
aoqi@0:         throw new IllegalStateException();
aoqi@0:     }
aoqi@0: 
aoqi@0:     @NotNull
aoqi@0:     public NextAction processException(@NotNull Throwable t) {
aoqi@0:         throw new IllegalStateException();
aoqi@0:     }
aoqi@0: 
aoqi@0:     public void preDestroy() {
aoqi@0:         next.preDestroy();
aoqi@0:     }
aoqi@0: 
aoqi@0:     public PipeAdapter copy(TubeCloner cloner) {
aoqi@0:         return new PipeAdapter(this,cloner);
aoqi@0:     }
aoqi@0: 
aoqi@0:     public String toString() {
aoqi@0:         return super.toString()+"["+next.toString()+"]";
aoqi@0:     }
aoqi@0: }