jdk8-mips64-public/jaxws: src/share/jaxws_classes/com/sun/xml/internal/ws/api/pipe/helper/PipeAdapter.java@9c07ef4934dd

     1 /*

     2  * Copyright (c) 1997, 2012, 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  */

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

    28 import com.sun.istack.internal.NotNull;

    29 import com.sun.xml.internal.ws.api.message.Packet;

    30 import com.sun.xml.internal.ws.api.pipe.Fiber;

    31 import com.sun.xml.internal.ws.api.pipe.NextAction;

    32 import com.sun.xml.internal.ws.api.pipe.Pipe;

    33 import com.sun.xml.internal.ws.api.pipe.PipeCloner;

    34 import com.sun.xml.internal.ws.api.pipe.Tube;

    35 import com.sun.xml.internal.ws.api.pipe.TubeCloner;

    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  */

    46 public class PipeAdapter extends AbstractTubeImpl {

    47     private final Pipe next;

    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     }

    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;

    64                 public TubeAdapter(Tube t) {

    65                     this.t = t;

    66                 }

    68                 private TubeAdapter(TubeAdapter that, PipeCloner cloner) {

    69                     super(that, cloner);

    70                     this.t = cloner.copy(that.t);

    71                 }

    73                 public Packet process(Packet request) {

    74                     return Fiber.current().runSync(t,request);

    75                 }

    77                 public Pipe copy(PipeCloner cloner) {

    78                     return new TubeAdapter(this,cloner);

    79                 }

    80             }

    82             return new TubeAdapter(p);

    83         }

    84     }

    87     private PipeAdapter(Pipe next) {

    88         this.next = next;

    89     }

    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     }

    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     }

   107     public @NotNull NextAction processResponse(@NotNull Packet p) {

   108         throw new IllegalStateException();

   109     }

   111     @NotNull

   112     public NextAction processException(@NotNull Throwable t) {

   113         throw new IllegalStateException();

   114     }

   116     public void preDestroy() {

   117         next.preDestroy();

   118     }

   120     public PipeAdapter copy(TubeCloner cloner) {

   121         return new PipeAdapter(this,cloner);

   122     }

   124     public String toString() {

   125         return super.toString()+"["+next.toString()+"]";

   126     }

   127 }

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