1/* 2 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26package com.sun.xml.internal.ws.api.pipe.helper; 27 28import com.sun.istack.internal.NotNull; 29import com.sun.xml.internal.ws.api.message.Packet; 30import com.sun.xml.internal.ws.api.pipe.Fiber; 31import com.sun.xml.internal.ws.api.pipe.NextAction; 32import com.sun.xml.internal.ws.api.pipe.Pipe; 33import com.sun.xml.internal.ws.api.pipe.PipeCloner; 34import com.sun.xml.internal.ws.api.pipe.Tube; 35import com.sun.xml.internal.ws.api.pipe.TubeCloner; 36 37/** 38 * {@link Tube} that invokes {@link Pipe}. 39 * 40 * <p> 41 * This can be used to make a {@link Pipe} look like a {@link Tube}. 42 * 43 * @author Kohsuke Kawaguchi 44 * @author Jitendra Kotamraju 45 */ 46public class PipeAdapter extends AbstractTubeImpl { 47 private final Pipe next; 48 49 public static Tube adapt(Pipe p) { 50 if (p instanceof Tube) { 51 return (Tube) p; 52 } else { 53 return new PipeAdapter(p); 54 } 55 } 56 57 public static Pipe adapt(Tube p) { 58 if (p instanceof Pipe) { 59 return (Pipe) p; 60 } else { 61 class TubeAdapter extends AbstractPipeImpl { 62 private final Tube t; 63 64 public TubeAdapter(Tube t) { 65 this.t = t; 66 } 67 68 private TubeAdapter(TubeAdapter that, PipeCloner cloner) { 69 super(that, cloner); 70 this.t = cloner.copy(that.t); 71 } 72 73 public Packet process(Packet request) { 74 return Fiber.current().runSync(t,request); 75 } 76 77 public Pipe copy(PipeCloner cloner) { 78 return new TubeAdapter(this,cloner); 79 } 80 } 81 82 return new TubeAdapter(p); 83 } 84 } 85 86 87 private PipeAdapter(Pipe next) { 88 this.next = next; 89 } 90 91 /** 92 * Copy constructor 93 */ 94 private PipeAdapter(PipeAdapter that, TubeCloner cloner) { 95 super(that,cloner); 96 this.next = ((PipeCloner)cloner).copy(that.next); 97 } 98 99 /** 100 * Uses the current fiber and runs the whole pipe to the completion 101 * (meaning everything from now on will run synchronously.) 102 */ 103 public @NotNull NextAction processRequest(@NotNull Packet p) { 104 return doReturnWith(next.process(p)); 105 } 106 107 public @NotNull NextAction processResponse(@NotNull Packet p) { 108 throw new IllegalStateException(); 109 } 110 111 @NotNull 112 public NextAction processException(@NotNull Throwable t) { 113 throw new IllegalStateException(); 114 } 115 116 public void preDestroy() { 117 next.preDestroy(); 118 } 119 120 public PipeAdapter copy(TubeCloner cloner) { 121 return new PipeAdapter(this,cloner); 122 } 123 124 public String toString() { 125 return super.toString()+"["+next.toString()+"]"; 126 } 127} 128