Java example source code file (ServiceInterceptor.java)

This example Java source code file (ServiceInterceptor.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

arraylist, class, list, notnull, nullable, serviceinterceptor, util, wsbindingprovider, wsfeaturelist, wsportinfo, xml

The ServiceInterceptor.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.client;

import com.sun.istack.internal.NotNull;
import com.sun.istack.internal.Nullable;
import com.sun.xml.internal.ws.api.BindingID;
import com.sun.xml.internal.ws.api.WSBinding;
import com.sun.xml.internal.ws.api.WSFeatureList;
import com.sun.xml.internal.ws.api.WSService;
import com.sun.xml.internal.ws.developer.WSBindingProvider;

import javax.xml.ws.BindingProvider;
import javax.xml.ws.Dispatch;
import javax.xml.ws.WebServiceFeature;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

/**
 * Interception point for inner working of {@link WSService}.
 *
 * <p>
 * System-level code could hook an implementation of this to
 * {@link WSService} to augument its behavior.
 *
 * @author Kohsuke Kawaguchi
 * @since 2.1 EA3
 * @see ServiceInterceptorFactory
 */
public abstract class ServiceInterceptor {
    /**
     * Called before {@link WSBinding} is created, to allow interceptors
     * to add {@link WebServiceFeature}s to the created {@link WSBinding}.
     *
     * @param port
     *      Information about the port for which dispatch/proxy will be created.
     * @param serviceEndpointInterface
     *      Null if the created binding is for {@link Dispatch}. Otheriwse
     *      it represents the port interface of the proxy to be created.
     * @param defaultFeatures
     *      The list of features that are currently scheduled to be set for
     *      the newly created {@link WSBinding}.
     *
     * @return
     *      A set of features to be added to the newly created {@link WSBinding}.
     *      Can be empty but never null.
     *      <tt>defaultFeatures will take precedence over what this method
     *      would return (because it includes user-specified ones which will
     *      take the at-most priority), but features you return from this method
     *      will take precedence over {@link BindingID}'s
     *      {@link BindingID#createBuiltinFeatureList() implicit features}.
     */
    public List<WebServiceFeature> preCreateBinding(@NotNull WSPortInfo port, @Nullable Class serviceEndpointInterface, @NotNull WSFeatureList defaultFeatures) {
        return Collections.emptyList();
    }

    /**
     * A callback to notify the event of creation of proxy object for SEI endpoint. The
     * callback could set some properties on the {@link BindingProvider}.
     *
     * @param bp created proxy instance
     * @param serviceEndpointInterface SEI of the endpoint
     */
    public void postCreateProxy(@NotNull WSBindingProvider bp,@NotNull Class<?> serviceEndpointInterface) {
    }

    /**
     * A callback to notify that a {@link Dispatch} object is created. The callback
     * could set some properties on the {@link BindingProvider}.
     *
     * @param bp BindingProvider of dispatch object
     */
    public void postCreateDispatch(@NotNull WSBindingProvider bp) {
    }

    /**
     * Aggregates multiple interceptors into one facade.
     */
    public static ServiceInterceptor aggregate(final ServiceInterceptor... interceptors) {
        if(interceptors.length==1)
            return interceptors[0];
        return new ServiceInterceptor() {
            public List<WebServiceFeature> preCreateBinding(@NotNull WSPortInfo port, @Nullable Class portInterface, @NotNull WSFeatureList defaultFeatures) {
                List<WebServiceFeature> r = new ArrayList();
                for (ServiceInterceptor si : interceptors)
                    r.addAll(si.preCreateBinding(port,portInterface,defaultFeatures));
                return r;
            }

            public void postCreateProxy(@NotNull WSBindingProvider bp, @NotNull Class<?> serviceEndpointInterface) {
                for (ServiceInterceptor si : interceptors)
                    si.postCreateProxy(bp,serviceEndpointInterface);
            }

            public void postCreateDispatch(@NotNull WSBindingProvider bp) {
                for (ServiceInterceptor si : interceptors)
                    si.postCreateDispatch(bp);
            }
        };
    }
}