ResourceMethodCustomInvokerDispatchFactory.java

/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 2010-2011 Oracle and/or its affiliates. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://glassfish.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at packager/legal/LICENSE.txt.
 *
 * GPL Classpath Exception:
 * Oracle designates this particular file as subject to the "Classpath"
 * exception as provided by Oracle in the GPL Version 2 section of the License
 * file that accompanied this code.
 *
 * Modifications:
 * If applicable, add the following below the License Header, with the fields
 * enclosed by brackets [] replaced by your own identifying information:
 * "Portions Copyright [year] [name of copyright owner]"
 *
 * Contributor(s):
 * If you wish your version of this file to be governed by only the CDDL or
 * only the GPL Version 2, indicate your decision by adding "[Contributor]
 * elects to include this software in this distribution under the [CDDL or GPL
 * Version 2] license."  If you don't indicate a single choice of license, a
 * recipient has the option to distribute your version of this file under
 * either the CDDL, the GPL Version 2 or to extend the choice of license to
 * its licensees as provided above.  However, if you add GPL Version 2 code
 * and therefore, elected the GPL Version 2 license, then the option applies
 * only if the new code is made subject to such option by the copyright
 * holder.
 */

package com.sun.jersey.spi.container;

import com.sun.jersey.impl.ImplMessages;
import com.sun.jersey.api.model.AbstractResourceMethod;
import com.sun.jersey.core.spi.component.ProviderServices;
import com.sun.jersey.server.impl.application.ResourceMethodDispatcherFactory;
import com.sun.jersey.spi.dispatch.RequestDispatcher;
import com.sun.jersey.spi.inject.Errors;
import java.util.Set;
import java.util.logging.Level;
import java.util.logging.Logger;

/**
 *
 * @author Jakub.Podlesak@Oracle.com
 */
public class ResourceMethodCustomInvokerDispatchFactory {

    private static final Logger LOGGER = Logger.getLogger(ResourceMethodDispatcherFactory.class.getName());

    final Set<ResourceMethodCustomInvokerDispatchProvider> customInvokerDispatchProviders;

    public ResourceMethodCustomInvokerDispatchFactory(ProviderServices providerServices) {
        customInvokerDispatchProviders = providerServices.getProvidersAndServices(ResourceMethodCustomInvokerDispatchProvider.class);
    }

    // this is to address EJB integration issues in WLS/GF:
    public RequestDispatcher getDispatcher(AbstractResourceMethod abstractResourceMethod, JavaMethodInvoker invoker) {

        if (invoker == null) {
            return null;
        }
        // Mark the errors so it is possible to reset
        Errors.mark();

        for (ResourceMethodCustomInvokerDispatchProvider rmdp : customInvokerDispatchProviders) {

            try {
                RequestDispatcher d = rmdp.create(abstractResourceMethod, invoker);
                if (d != null) {
                    // Reset any errors, if any, produced from previous dispatch
                    // providers
                    Errors.reset();
                    return d;
                }
            } catch (Exception e) {
                LOGGER.log(Level.SEVERE, ImplMessages.ERROR_PROCESSING_METHOD(
                        abstractResourceMethod.getMethod(),
                        rmdp.getClass().getName()), e);
            }
        }

        Errors.unmark();
        return null;
    }
}