92 lines
3.3 KiB
Java
92 lines
3.3 KiB
Java
/*
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* Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package com.sun.xml.internal.ws.server;
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import com.sun.xml.internal.ws.api.server.AbstractInstanceResolver;
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import com.sun.xml.internal.ws.api.server.InstanceResolver;
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import com.sun.xml.internal.ws.api.server.ResourceInjector;
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import com.sun.xml.internal.ws.api.server.WSEndpoint;
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import com.sun.xml.internal.ws.api.server.WSWebServiceContext;
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import javax.annotation.PostConstruct;
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import javax.annotation.PreDestroy;
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import java.lang.reflect.Method;
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/**
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* Partial implementation of {@link InstanceResolver} with code
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* to handle multiple instances per server.
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*
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* @author Kohsuke Kawaguchi
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*/
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public abstract class AbstractMultiInstanceResolver<T> extends AbstractInstanceResolver<T> {
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protected final Class<T> clazz;
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// fields for resource injection.
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private /*almost final*/ WSWebServiceContext webServiceContext;
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protected /*almost final*/ WSEndpoint owner;
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private final Method postConstructMethod;
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private final Method preDestroyMethod;
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private /*almost final*/ ResourceInjector resourceInjector;
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public AbstractMultiInstanceResolver(Class<T> clazz) {
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this.clazz = clazz;
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postConstructMethod = findAnnotatedMethod(clazz, PostConstruct.class);
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preDestroyMethod = findAnnotatedMethod(clazz, PreDestroy.class);
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}
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/**
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* Perform resource injection on the given instance.
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*/
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protected final void prepare(T t) {
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// we can only start creating new instances after the start method is invoked.
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assert webServiceContext!=null;
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resourceInjector.inject(webServiceContext,t);
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invokeMethod(postConstructMethod,t);
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}
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/**
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* Creates a new instance via the default constructor.
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*/
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protected final T create() {
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T t = createNewInstance(clazz);
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prepare(t);
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return t;
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}
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@Override
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public void start(WSWebServiceContext wsc, WSEndpoint endpoint) {
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resourceInjector = getResourceInjector(endpoint);
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this.webServiceContext = wsc;
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this.owner = endpoint;
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}
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protected final void dispose(T instance) {
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invokeMethod(preDestroyMethod,instance);
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}
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}
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