jdk8-mips64-public/jaxws: src/share/jaxws_classes/com/sun/xml/internal/ws/server/AbstractMultiInstanceResolver.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.server;

    28 import com.sun.xml.internal.ws.api.server.AbstractInstanceResolver;

    29 import com.sun.xml.internal.ws.api.server.InstanceResolver;

    30 import com.sun.xml.internal.ws.api.server.ResourceInjector;

    31 import com.sun.xml.internal.ws.api.server.WSEndpoint;

    32 import com.sun.xml.internal.ws.api.server.WSWebServiceContext;

    34 import javax.annotation.PostConstruct;

    35 import javax.annotation.PreDestroy;

    36 import java.lang.reflect.Method;

    38 /**

    39  * Partial implementation of {@link InstanceResolver} with code

    40  * to handle multiple instances per server.

    41  *

    42  * @author Kohsuke Kawaguchi

    43  */

    44 public abstract class AbstractMultiInstanceResolver<T> extends AbstractInstanceResolver<T> {

    45     protected final Class<T> clazz;

    47     // fields for resource injection.

    48     private /*almost final*/ WSWebServiceContext webServiceContext;

    49     protected /*almost final*/ WSEndpoint owner;

    50     private final Method postConstructMethod;

    51     private final Method preDestroyMethod;

    52     private /*almost final*/ ResourceInjector resourceInjector;

    54     public AbstractMultiInstanceResolver(Class<T> clazz) {

    55         this.clazz = clazz;

    57         postConstructMethod = findAnnotatedMethod(clazz, PostConstruct.class);

    58         preDestroyMethod = findAnnotatedMethod(clazz, PreDestroy.class);

    59     }

    61     /**

    62      * Perform resource injection on the given instance.

    63      */

    64     protected final void prepare(T t) {

    65         // we can only start creating new instances after the start method is invoked.

    66         assert webServiceContext!=null;

    68         resourceInjector.inject(webServiceContext,t);

    69         invokeMethod(postConstructMethod,t);

    70     }

    72     /**

    73      * Creates a new instance via the default constructor.

    74      */

    75     protected final T create() {

    76         T t = createNewInstance(clazz);

    77         prepare(t);

    78         return t;

    79     }

    81     @Override

    82     public void start(WSWebServiceContext wsc, WSEndpoint endpoint) {

    83         resourceInjector = getResourceInjector(endpoint);

    84         this.webServiceContext = wsc;

    85         this.owner = endpoint;

    86     }

    88     protected final void dispose(T instance) {

    89         invokeMethod(preDestroyMethod,instance);

    90     }

    91 }

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