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

Tue, 09 Apr 2013 14:51:13 +0100

author
alanb
date
Tue, 09 Apr 2013 14:51:13 +0100
changeset 368
0989ad8c0860
parent 286
f50545b5e2f1
child 637
9c07ef4934dd
permissions
-rw-r--r--

8010393: Update JAX-WS RI to 2.2.9-b12941
Reviewed-by: alanb, erikj
Contributed-by: miroslav.kos@oracle.com, martin.grebac@oracle.com

ohair@286 1 /*
alanb@368 2 * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
ohair@286 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
ohair@286 4 *
ohair@286 5 * This code is free software; you can redistribute it and/or modify it
ohair@286 6 * under the terms of the GNU General Public License version 2 only, as
ohair@286 7 * published by the Free Software Foundation. Oracle designates this
ohair@286 8 * particular file as subject to the "Classpath" exception as provided
ohair@286 9 * by Oracle in the LICENSE file that accompanied this code.
ohair@286 10 *
ohair@286 11 * This code is distributed in the hope that it will be useful, but WITHOUT
ohair@286 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
ohair@286 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
ohair@286 14 * version 2 for more details (a copy is included in the LICENSE file that
ohair@286 15 * accompanied this code).
ohair@286 16 *
ohair@286 17 * You should have received a copy of the GNU General Public License version
ohair@286 18 * 2 along with this work; if not, write to the Free Software Foundation,
ohair@286 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
ohair@286 20 *
ohair@286 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
ohair@286 22 * or visit www.oracle.com if you need additional information or have any
ohair@286 23 * questions.
ohair@286 24 */
ohair@286 25
ohair@286 26 package com.sun.xml.internal.ws.server.sei;
ohair@286 27
ohair@286 28 import com.sun.xml.internal.ws.model.ParameterImpl;
ohair@286 29 import com.sun.xml.internal.ws.api.model.Parameter;
ohair@286 30
ohair@286 31 import javax.jws.WebParam.Mode;
ohair@286 32 import javax.xml.ws.Holder;
ohair@286 33
ohair@286 34 /**
ohair@286 35 * Gets a value from an object that represents a parameter passed
ohair@286 36 * as a method argument.
ohair@286 37 *
ohair@286 38 * <p>
ohair@286 39 * This abstraction hides the handling of {@link Holder}.
ohair@286 40 *
ohair@286 41 * <p>
ohair@286 42 * {@link ValueGetter} is a stateless behavior encapsulation.
ohair@286 43 *
ohair@286 44 * @author Kohsuke Kawaguchi
ohair@286 45 */
ohair@286 46 public enum ValueGetter {
ohair@286 47 /**
ohair@286 48 * {@link ValueGetter} that works for {@link Mode#IN} parameter.
ohair@286 49 *
ohair@286 50 * <p>
ohair@286 51 * Since it's the IN mode, the parameter is not a {@link Holder},
ohair@286 52 * therefore the parameter itself is a value.
ohair@286 53 */
ohair@286 54 PLAIN() {
ohair@286 55 public Object get(Object parameter) {
ohair@286 56 return parameter;
ohair@286 57 }
ohair@286 58 },
ohair@286 59 /**
ohair@286 60 * Creates {@link ValueGetter} that works for {@link Holder},
ohair@286 61 * which is {@link Mode#INOUT} or {@link Mode#OUT}.
ohair@286 62 *
ohair@286 63 * <p>
ohair@286 64 * In those {@link Mode}s, the parameter is a {@link Holder},
ohair@286 65 * so the value to be sent is obtained by getting the value of the holder.
ohair@286 66 */
ohair@286 67 HOLDER() {
ohair@286 68 public Object get(Object parameter) {
ohair@286 69 if(parameter==null)
ohair@286 70 // the user is allowed to pass in null where a Holder is expected.
ohair@286 71 return null;
ohair@286 72 return ((Holder)parameter).value;
ohair@286 73 }
ohair@286 74 };
ohair@286 75
ohair@286 76 /**
ohair@286 77 * Gets the value to be sent, from a parameter given as a method argument.
ohair@286 78 */
ohair@286 79 public abstract Object get(Object parameter);
ohair@286 80
ohair@286 81 /**
ohair@286 82 * Returns a {@link ValueGetter} suitable for the given {@link Parameter}.
ohair@286 83 */
ohair@286 84 public static ValueGetter get(ParameterImpl p) {
ohair@286 85 // return value is always PLAIN
ohair@286 86 if(p.getMode() == Mode.IN || p.getIndex() == -1) {
ohair@286 87 return PLAIN;
ohair@286 88 } else {
ohair@286 89 return HOLDER;
ohair@286 90 }
ohair@286 91 }
ohair@286 92 }

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