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/*
 * Copyright (c) 1997, 2019 Oracle and/or its affiliates. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Distribution License v. 1.0, which is available at
 * http://www.eclipse.org/org/documents/edl-v10.php.
 *
 * SPDX-License-Identifier: BSD-3-Clause
 */

package com.sun.xml.ws.api.pipe.helper;

import com.sun.istack.NotNull;
import com.sun.xml.ws.api.message.Packet;
import com.sun.xml.ws.api.pipe.Fiber;
import com.sun.xml.ws.api.pipe.NextAction;
import com.sun.xml.ws.api.pipe.Pipe;
import com.sun.xml.ws.api.pipe.PipeCloner;
import com.sun.xml.ws.api.pipe.Tube;
import com.sun.xml.ws.api.pipe.TubeCloner;

/**
 * {@link Tube} that invokes {@link Pipe}.
 *
 * 

* This can be used to make a {@link Pipe} look like a {@link Tube}. * * @author Kohsuke Kawaguchi * @author Jitendra Kotamraju */ public class PipeAdapter extends AbstractTubeImpl { private final Pipe next; public static Tube adapt(Pipe p) { if (p instanceof Tube) { return (Tube) p; } else { return new PipeAdapter(p); } } public static Pipe adapt(Tube p) { if (p instanceof Pipe) { return (Pipe) p; } else { class TubeAdapter extends AbstractPipeImpl { private final Tube t; public TubeAdapter(Tube t) { this.t = t; } private TubeAdapter(TubeAdapter that, PipeCloner cloner) { super(that, cloner); this.t = cloner.copy(that.t); } public Packet process(Packet request) { return Fiber.current().runSync(t,request); } public Pipe copy(PipeCloner cloner) { return new TubeAdapter(this,cloner); } } return new TubeAdapter(p); } } private PipeAdapter(Pipe next) { this.next = next; } /** * Copy constructor */ private PipeAdapter(PipeAdapter that, TubeCloner cloner) { super(that,cloner); this.next = ((PipeCloner)cloner).copy(that.next); } /** * Uses the current fiber and runs the whole pipe to the completion * (meaning everything from now on will run synchronously.) */ public @NotNull NextAction processRequest(@NotNull Packet p) { return doReturnWith(next.process(p)); } public @NotNull NextAction processResponse(@NotNull Packet p) { throw new IllegalStateException(); } @NotNull public NextAction processException(@NotNull Throwable t) { throw new IllegalStateException(); } public void preDestroy() { next.preDestroy(); } public PipeAdapter copy(TubeCloner cloner) { return new PipeAdapter(this,cloner); } public String toString() { return super.toString()+"["+next.toString()+"]"; } }





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