jdk8-mips64-public/jaxws: src/share/jaxws_classes/com/sun/xml/internal/ws/server/sei/EndpointValueSetter.java@373ffda63c9a

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http://hg.openjdk.java.net/jdk8u/jdk8u/jaxws/
changeset: 657:d47a47f961ee
tag: jdk8u25-b17

     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.server.sei;

    28 import com.sun.xml.internal.ws.api.model.Parameter;

    29 import com.sun.xml.internal.ws.model.ParameterImpl;

    31 import javax.xml.ws.Holder;

    33 /**

    34  * Moves a Java value unmarshalled from a response message

    35  * to the right place.

    36  *

    37  * <p>

    38  * Sometimes values are returned as a return value, and

    39  * others are returned in the {@link Holder} value. Instances

    40  * of this interface abstracts this detail.

    41  *

    42  * <p>

    43  * {@link EndpointValueSetter} is a stateless behavior encapsulation.

    44  *

    45  * @author Jitendra Kotamraju

    46  */

    47 public abstract class EndpointValueSetter {

    48     private EndpointValueSetter() {}

    50     /**

    51      * Moves the value to the expected place.

    52      *

    53      * @param obj

    54      *      The unmarshalled object.

    55      * @param args

    56      *      The arguments that need to be given to the Java method invocation. If <tt>obj</tt>

    57      *      is supposed to be returned as a {@link Holder} value, a suitable

    58      *      {@link Holder} is obtained from this argument list and <tt>obj</tt>

    59      *      is set.

    60      *

    61      */

    62     abstract void put(Object obj, Object[] args);

    64     /**

    65      * {@link Param}s with small index numbers are used often,

    66      * so we pool them to reduce the footprint.

    67      */

    68     private static final EndpointValueSetter[] POOL = new EndpointValueSetter[16];

    70     static {

    71         for( int i=0; i<POOL.length; i++ )

    72             POOL[i] = new Param(i);

    73     }

    75     /**

    76      * Returns a {@link EndpointValueSetter} suitable for the given {@link Parameter}.

    77      */

    78     public static EndpointValueSetter get(ParameterImpl p) {

    79         int idx = p.getIndex();

    80         if (p.isIN()) {

    81             if (idx<POOL.length) {

    82                 return POOL[idx];

    83             } else {

    84                 return new Param(idx);

    85             }

    86         } else {

    87             return new HolderParam(idx);

    88         }

    89     }

    91     static class Param extends EndpointValueSetter {

    92         /**

    93          * Index of the argument to put the value to.

    94          */

    95         protected final int idx;

    97         public Param(int idx) {

    98             this.idx = idx;

    99         }

   101         void put(Object obj, Object[] args) {

   102             if (obj != null) {

   103                 args[idx] = obj;

   104             }

   105         }

   106     }

   108     static final class HolderParam extends Param {

   110         public HolderParam(int idx) {

   111             super(idx);

   112         }

   114         @Override

   115         void put(Object obj, Object[] args) {

   116             Holder holder = new Holder();

   117             if (obj != null) {

   118                 holder.value = obj;

   119             }

   120             args[idx] = holder;

   121         }

   122     }

   123 }

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