| /* |
| * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package com.sun.xml.internal.ws.server.sei; |
| |
| import com.sun.xml.internal.ws.api.model.Parameter; |
| import com.sun.xml.internal.ws.model.ParameterImpl; |
| |
| import javax.xml.ws.Holder; |
| |
| /** |
| * Moves a Java value unmarshalled from a response message |
| * to the right place. |
| * |
| * <p> |
| * Sometimes values are returned as a return value, and |
| * others are returned in the {@link Holder} value. Instances |
| * of this interface abstracts this detail. |
| * |
| * <p> |
| * {@link EndpointValueSetter} is a stateless behavior encapsulation. |
| * |
| * @author Jitendra Kotamraju |
| */ |
| public abstract class EndpointValueSetter { |
| private EndpointValueSetter() {} |
| |
| /** |
| * Moves the value to the expected place. |
| * |
| * @param obj |
| * The unmarshalled object. |
| * @param args |
| * The arguments that need to be given to the Java method invocation. |
| * If {@code obj} is supposed to be returned as a {@link Holder} |
| * value, a suitable {@link Holder} is obtained from |
| * this argument list and {@code obj} is set. |
| * |
| */ |
| abstract void put(Object obj, Object[] args); |
| |
| /** |
| * {@link Param}s with small index numbers are used often, |
| * so we pool them to reduce the footprint. |
| */ |
| private static final EndpointValueSetter[] POOL = new EndpointValueSetter[16]; |
| |
| static { |
| for( int i=0; i<POOL.length; i++ ) |
| POOL[i] = new Param(i); |
| } |
| |
| /** |
| * Returns a {@link EndpointValueSetter} suitable for the given {@link Parameter}. |
| */ |
| public static EndpointValueSetter get(ParameterImpl p) { |
| int idx = p.getIndex(); |
| if (p.isIN()) { |
| if (idx<POOL.length) { |
| return POOL[idx]; |
| } else { |
| return new Param(idx); |
| } |
| } else { |
| return new HolderParam(idx); |
| } |
| } |
| |
| static class Param extends EndpointValueSetter { |
| /** |
| * Index of the argument to put the value to. |
| */ |
| protected final int idx; |
| |
| public Param(int idx) { |
| this.idx = idx; |
| } |
| |
| void put(Object obj, Object[] args) { |
| if (obj != null) { |
| args[idx] = obj; |
| } |
| } |
| } |
| |
| static final class HolderParam extends Param { |
| |
| public HolderParam(int idx) { |
| super(idx); |
| } |
| |
| @Override |
| void put(Object obj, Object[] args) { |
| Holder holder = new Holder(); |
| if (obj != null) { |
| holder.value = obj; |
| } |
| args[idx] = holder; |
| } |
| } |
| } |