Mercurial > jdk8-mips64-public > jaxws / file comparison

comparison: src/share/jaxws_classes/com/sun/xml/internal/ws/server/sei/EndpointValueSetter.java

src/share/jaxws_classes/com/sun/xml/internal/ws/server/sei/EndpointValueSetter.java

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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 */
25
26 package com.sun.xml.internal.ws.server.sei;
27
28 import com.sun.xml.internal.ws.api.model.Parameter;
29 import com.sun.xml.internal.ws.model.ParameterImpl;
30
31 import javax.xml.ws.Holder;
32
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() {}
49
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);
63
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];
69
70 static {
71 for( int i=0; i<POOL.length; i++ )
72 POOL[i] = new Param(i);
73 }
74
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 }
90
91 static class Param extends EndpointValueSetter {
92 /**
93 * Index of the argument to put the value to.
94 */
95 protected final int idx;
96
97 public Param(int idx) {
98 this.idx = idx;
99 }
100
101 void put(Object obj, Object[] args) {
102 if (obj != null) {
103 args[idx] = obj;
104 }
105 }
106 }
107
108 static final class HolderParam extends Param {
109
110 public HolderParam(int idx) {
111 super(idx);
112 }
113
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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