Java example source code file (ResourceInjector.java)

This example Java source code file (ResourceInjector.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

annotation, defaultresourceinjector, notnull, object, resourceinjector, standalone, wswebservicecontext, xml

The ResourceInjector.java Java example source code

/*
 * Copyright (c) 1997, 2012, 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.api.server;

import com.sun.istack.internal.NotNull;
import com.sun.xml.internal.ws.server.DefaultResourceInjector;

import javax.annotation.PostConstruct;
import javax.xml.ws.WebServiceContext;
import javax.xml.ws.WebServiceException;

/**
 * Represents a functionality of the container to inject resources
 * to application service endpoint object (usually but not necessarily as per JavaEE spec.)
 *
 * <p>
 * If {@link Container#getSPI(Class)} returns a valid instance of {@link ResourceInjector},
 * The JAX-WS RI will call the {@link #inject} method for each service endpoint
 * instance that it manages.
 *
 * <p>
 * The JAX-WS RI will be responsible for calling {@link PostConstruct} callback,
 * so implementations of this class need not do so.
 *
 * @author Kohsuke Kawaguchi
 * @see Container
 */
public abstract class ResourceInjector {
    /**
     * Performs resource injection.
     *
     * @param context
     *      {@link WebServiceContext} implementation to be injected into the instance.
     * @param instance
     *      Instance of the service endpoint class to which resources will be injected.
     *
     * @throws WebServiceException
     *      If the resource injection fails.
     */
    public abstract void inject(@NotNull WSWebServiceContext context, @NotNull Object instance);

    /**
     * Fallback {@link ResourceInjector} implementation used when the {@link Container}
     * doesn't provide one.
     *
     * <p>
     * Just inject {@link WSWebServiceContext} and done.
     */
    public static final ResourceInjector STANDALONE = new DefaultResourceInjector();
}