jdk8-mips64-public/jaxws: src/share/jaxws_classes/com/sun/xml/internal/ws/api/server/ContainerResolver.java@9c07ef4934dd

     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  */

    26 package com.sun.xml.internal.ws.api.server;

    28 import com.sun.istack.internal.NotNull;

    30 /**

    31  * This class determines an instance of {@link Container} for the runtime.

    32  * It applies for both server and client runtimes(for e.g in Servlet could

    33  * be accessing a Web Service).

    34  *

    35  * A client that is invoking a web service may be running in a

    36  * container(for e.g servlet). T

    37  *

    38  * <p>

    39  * ContainerResolver uses a static field to keep the instance of the resolver object.

    40  * Typically appserver may set its custom container resolver using the static method

    41  * {@link #setInstance(ContainerResolver)}

    42  *

    43  * @author Jitendra Kotamraju

    44  */

    45 public abstract class ContainerResolver {

    47     private static final ThreadLocalContainerResolver DEFAULT = new ThreadLocalContainerResolver();

    49     private static volatile ContainerResolver theResolver = DEFAULT;

    51     /**

    52      * Sets the custom container resolver which can be used to get client's

    53      * {@link Container}.

    54      *

    55      * @param resolver container resolver

    56      */

    57     public static void setInstance(ContainerResolver resolver) {

    58         if(resolver==null)

    59             resolver = DEFAULT;

    60         theResolver = resolver;

    61     }

    63     /**

    64      * Returns the container resolver which can be used to get client's {@link Container}.

    65      *

    66      * @return container resolver instance

    67      */

    68     public static @NotNull ContainerResolver getInstance() {

    69         return theResolver;

    70     }

    72     /**

    73      * Returns the default container resolver which can be used to get {@link Container}.

    74      *

    75      * @return default container resolver

    76      */

    77     public static ThreadLocalContainerResolver getDefault() {

    78         return DEFAULT;

    79     }

    81     /**

    82      * Returns the {@link Container} context in which client is running.

    83      *

    84      * @return container instance for the client

    85      */

    86     public abstract @NotNull Container getContainer();

    88 }

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