Fri, 14 Feb 2014 11:13:45 +0100
8026188: Enhance envelope factory
Summary: Avoiding caching data initialized via TCCL in static context; fix also reviewed by Alexander Fomin
Reviewed-by: ahgross, mgrebac, skoivu
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.api.server; |
ohair@286 | 27 | |
ohair@286 | 28 | import com.sun.istack.internal.NotNull; |
ohair@286 | 29 | |
ohair@286 | 30 | /** |
ohair@286 | 31 | * This class determines an instance of {@link Container} for the runtime. |
ohair@286 | 32 | * It applies for both server and client runtimes(for e.g in Servlet could |
alanb@368 | 33 | * be accessing a Web Service). |
ohair@286 | 34 | * |
ohair@286 | 35 | * A client that is invoking a web service may be running in a |
ohair@286 | 36 | * container(for e.g servlet). T |
ohair@286 | 37 | * |
ohair@286 | 38 | * <p> |
ohair@286 | 39 | * ContainerResolver uses a static field to keep the instance of the resolver object. |
ohair@286 | 40 | * Typically appserver may set its custom container resolver using the static method |
ohair@286 | 41 | * {@link #setInstance(ContainerResolver)} |
ohair@286 | 42 | * |
ohair@286 | 43 | * @author Jitendra Kotamraju |
ohair@286 | 44 | */ |
ohair@286 | 45 | public abstract class ContainerResolver { |
ohair@286 | 46 | |
alanb@368 | 47 | private static final ThreadLocalContainerResolver DEFAULT = new ThreadLocalContainerResolver(); |
ohair@286 | 48 | |
alanb@368 | 49 | private static volatile ContainerResolver theResolver = DEFAULT; |
ohair@286 | 50 | |
ohair@286 | 51 | /** |
ohair@286 | 52 | * Sets the custom container resolver which can be used to get client's |
ohair@286 | 53 | * {@link Container}. |
ohair@286 | 54 | * |
ohair@286 | 55 | * @param resolver container resolver |
ohair@286 | 56 | */ |
ohair@286 | 57 | public static void setInstance(ContainerResolver resolver) { |
ohair@286 | 58 | if(resolver==null) |
alanb@368 | 59 | resolver = DEFAULT; |
ohair@286 | 60 | theResolver = resolver; |
ohair@286 | 61 | } |
ohair@286 | 62 | |
ohair@286 | 63 | /** |
ohair@286 | 64 | * Returns the container resolver which can be used to get client's {@link Container}. |
ohair@286 | 65 | * |
ohair@286 | 66 | * @return container resolver instance |
ohair@286 | 67 | */ |
ohair@286 | 68 | public static @NotNull ContainerResolver getInstance() { |
ohair@286 | 69 | return theResolver; |
ohair@286 | 70 | } |
ohair@286 | 71 | |
ohair@286 | 72 | /** |
ohair@286 | 73 | * Returns the default container resolver which can be used to get {@link Container}. |
ohair@286 | 74 | * |
ohair@286 | 75 | * @return default container resolver |
ohair@286 | 76 | */ |
alanb@368 | 77 | public static ThreadLocalContainerResolver getDefault() { |
alanb@368 | 78 | return DEFAULT; |
ohair@286 | 79 | } |
ohair@286 | 80 | |
ohair@286 | 81 | /** |
ohair@286 | 82 | * Returns the {@link Container} context in which client is running. |
ohair@286 | 83 | * |
ohair@286 | 84 | * @return container instance for the client |
ohair@286 | 85 | */ |
ohair@286 | 86 | public abstract @NotNull Container getContainer(); |
ohair@286 | 87 | |
ohair@286 | 88 | } |