1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/share/jaxws_classes/com/sun/xml/internal/ws/server/sei/EndpointValueSetter.java Tue Mar 06 16:09:35 2012 -0800
1.3 @@ -0,0 +1,123 @@
1.4 +/*
1.5 + * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation. Oracle designates this
1.11 + * particular file as subject to the "Classpath" exception as provided
1.12 + * by Oracle in the LICENSE file that accompanied this code.
1.13 + *
1.14 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.15 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.16 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.17 + * version 2 for more details (a copy is included in the LICENSE file that
1.18 + * accompanied this code).
1.19 + *
1.20 + * You should have received a copy of the GNU General Public License version
1.21 + * 2 along with this work; if not, write to the Free Software Foundation,
1.22 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.23 + *
1.24 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.25 + * or visit www.oracle.com if you need additional information or have any
1.26 + * questions.
1.27 + */
1.28 +
1.29 +package com.sun.xml.internal.ws.server.sei;
1.30 +
1.31 +import com.sun.xml.internal.ws.api.model.Parameter;
1.32 +import com.sun.xml.internal.ws.model.ParameterImpl;
1.33 +
1.34 +import javax.xml.ws.Holder;
1.35 +
1.36 +/**
1.37 + * Moves a Java value unmarshalled from a response message
1.38 + * to the right place.
1.39 + *
1.40 + * <p>
1.41 + * Sometimes values are returned as a return value, and
1.42 + * others are returned in the {@link Holder} value. Instances
1.43 + * of this interface abstracts this detail.
1.44 + *
1.45 + * <p>
1.46 + * {@link EndpointValueSetter} is a stateless behavior encapsulation.
1.47 + *
1.48 + * @author Jitendra Kotamraju
1.49 + */
1.50 +public abstract class EndpointValueSetter {
1.51 + private EndpointValueSetter() {}
1.52 +
1.53 + /**
1.54 + * Moves the value to the expected place.
1.55 + *
1.56 + * @param obj
1.57 + * The unmarshalled object.
1.58 + * @param args
1.59 + * The arguments that need to be given to the Java method invocation. If <tt>obj</tt>
1.60 + * is supposed to be returned as a {@link Holder} value, a suitable
1.61 + * {@link Holder} is obtained from this argument list and <tt>obj</tt>
1.62 + * is set.
1.63 + *
1.64 + */
1.65 + abstract void put(Object obj, Object[] args);
1.66 +
1.67 + /**
1.68 + * {@link Param}s with small index numbers are used often,
1.69 + * so we pool them to reduce the footprint.
1.70 + */
1.71 + private static final EndpointValueSetter[] POOL = new EndpointValueSetter[16];
1.72 +
1.73 + static {
1.74 + for( int i=0; i<POOL.length; i++ )
1.75 + POOL[i] = new Param(i);
1.76 + }
1.77 +
1.78 + /**
1.79 + * Returns a {@link EndpointValueSetter} suitable for the given {@link Parameter}.
1.80 + */
1.81 + public static EndpointValueSetter get(ParameterImpl p) {
1.82 + int idx = p.getIndex();
1.83 + if (p.isIN()) {
1.84 + if (idx<POOL.length) {
1.85 + return POOL[idx];
1.86 + } else {
1.87 + return new Param(idx);
1.88 + }
1.89 + } else {
1.90 + return new HolderParam(idx);
1.91 + }
1.92 + }
1.93 +
1.94 + static class Param extends EndpointValueSetter {
1.95 + /**
1.96 + * Index of the argument to put the value to.
1.97 + */
1.98 + protected final int idx;
1.99 +
1.100 + public Param(int idx) {
1.101 + this.idx = idx;
1.102 + }
1.103 +
1.104 + void put(Object obj, Object[] args) {
1.105 + if (obj != null) {
1.106 + args[idx] = obj;
1.107 + }
1.108 + }
1.109 + }
1.110 +
1.111 + static final class HolderParam extends Param {
1.112 +
1.113 + public HolderParam(int idx) {
1.114 + super(idx);
1.115 + }
1.116 +
1.117 + @Override
1.118 + void put(Object obj, Object[] args) {
1.119 + Holder holder = new Holder();
1.120 + if (obj != null) {
1.121 + holder.value = obj;
1.122 + }
1.123 + args[idx] = holder;
1.124 + }
1.125 + }
1.126 +}
