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Java example source code file (UsesJAXBContextFeature.java)

This example Java source code file (UsesJAXBContextFeature.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

class, error, jaxbcontextfactory, jaxbexception, jaxbricontext, list, managedattribute, nosuchmethodexception, notnull, reflection, seimodel, string, usesjaxbcontextfeature, util, webservicefeature, xml

The UsesJAXBContextFeature.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.developer;

import com.sun.xml.internal.ws.api.FeatureConstructor;
import com.sun.xml.internal.ws.api.model.SEIModel;
import com.sun.xml.internal.bind.api.JAXBRIContext;
import com.sun.xml.internal.bind.api.TypeReference;
import com.sun.istack.internal.NotNull;
import com.sun.istack.internal.Nullable;

import javax.xml.ws.WebServiceFeature;
import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBException;
import java.lang.reflect.InvocationTargetException;
import java.util.List;

import com.sun.org.glassfish.gmbal.ManagedAttribute;
import com.sun.org.glassfish.gmbal.ManagedData;

/**
 * A {@link WebServiceFeature} that instructs the JAX-WS runtime to use a specific {@link JAXBContextFactory}
 * instance of creating {@link JAXBContext}.
 *
 * @see UsesJAXBContext
 * @since 2.1.5
 * @author Kohsuke Kawaguchi
 */
@ManagedData
public class UsesJAXBContextFeature extends WebServiceFeature {
    /**
     * Constant value identifying the {@link UsesJAXBContext} feature.
     */
    public static final String ID = "http://jax-ws.dev.java.net/features/uses-jaxb-context";

    private final JAXBContextFactory factory;

    /**
     * Creates {@link UsesJAXBContextFeature}.
     *
     * @param factoryClass
     *      This class has to have a public no-arg constructor, which will be invoked to create
     *      a new instance. {@link JAXBContextFactory#createJAXBContext(SEIModel, List, List)} will
     *      be then called to create {@link JAXBContext}.
     */
    @FeatureConstructor("value")
    public UsesJAXBContextFeature(@NotNull Class<? extends JAXBContextFactory> factoryClass) {
        try {
            factory = factoryClass.getConstructor().newInstance();
        } catch (InstantiationException e) {
            Error x = new InstantiationError(e.getMessage());
            x.initCause(e);
            throw x;
        } catch (IllegalAccessException e) {
            Error x = new IllegalAccessError(e.getMessage());
            x.initCause(e);
            throw x;
        } catch (InvocationTargetException e) {
            Error x = new InstantiationError(e.getMessage());
            x.initCause(e);
            throw x;
        } catch (NoSuchMethodException e) {
            Error x = new NoSuchMethodError(e.getMessage());
            x.initCause(e);
            throw x;
        }
    }

    /**
     * Creates {@link UsesJAXBContextFeature}.
     * This version allows {@link JAXBContextFactory} to carry application specific state.
     *
     * @param factory
     *      Uses a specific instance of {@link JAXBContextFactory} to create {@link JAXBContext}.
     */
    public UsesJAXBContextFeature(@Nullable JAXBContextFactory factory) {
        this.factory = factory;
    }

    /**
     * Creates {@link UsesJAXBContextFeature}.
     * This version allows you to create {@link JAXBRIContext} upfront and uses it.
     */
    public UsesJAXBContextFeature(@Nullable final JAXBRIContext context) {
        this.factory = new JAXBContextFactory() {
            @NotNull
            public JAXBRIContext createJAXBContext(@NotNull SEIModel sei, @NotNull List<Class> classesToBind, @NotNull List typeReferences) throws JAXBException {
                return context;
            }
        };
    }

    /**
     * Gets the {@link JAXBContextFactory} instance to be used for creating {@link JAXBContext} for SEI.
     *
     * @return
     *      null if the default {@link JAXBContext} shall be used.
     */
    @ManagedAttribute
    public @Nullable JAXBContextFactory getFactory() {
        return factory;
    }

    @ManagedAttribute
    public String getID() {
        return ID;
    }
}

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