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/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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 *
 * The contents of this file are subject to the terms of either the GNU
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 * 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.dev.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.
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 * file and include the License file at packager/legal/LICENSE.txt.
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// Portions Copyright [2016] [Payara Foundation and/or its affiliates]

package org.glassfish.webservices;

import com.sun.xml.ws.api.server.Container;
import com.sun.xml.ws.api.server.ResourceInjector;
import com.sun.xml.ws.api.server.Module;

import javax.servlet.ServletContext;
import com.sun.xml.ws.transport.http.servlet.ServletAdapter;
import com.sun.enterprise.deployment.WebServiceEndpoint;
import com.sun.xml.ws.api.server.BoundEndpoint;

import org.glassfish.hk2.api.ServiceLocator;
import org.glassfish.internal.api.Globals;
import com.sun.xml.ws.api.server.ServerPipelineHook;
import java.util.ArrayList;
import java.util.List;

public class JAXWSContainer extends Container {
    
    private final ServletContext servletContext;
    private final WebServiceEndpoint endpoint;
    private final JAXWSServletModule module;

    public JAXWSContainer(ServletContext servletContext,
                    WebServiceEndpoint ep) {
        this.servletContext = servletContext;
        this.endpoint = ep;
        
        if (servletContext != null) {
            this.module = JAXWSServletModule
                .getServletModule(servletContext.getContextPath());
        } else {
            this.module = null;
        }
       
    }
    
    public void addEndpoint( ServletAdapter adapter) {
  
        if (module != null) {
            module.addEndpoint(endpoint.getEndpointAddressUri(), 
                                    adapter);
        }

    }

    @Override
    @SuppressWarnings("unchecked")
    public  T getSPI(Class spiType) {
        if (ServletContext.class.isAssignableFrom( spiType)) {
            return (T)servletContext;
        }
        
        if (ServerPipelineHook.class.isAssignableFrom(spiType)){
            ServiceLocator h = Globals.getDefaultHabitat();
            ServerPipeCreator s = h.getService(ServerPipeCreator.class);
            s.init(endpoint);
            return((T)s);
        }

        if (ResourceInjector.class.isAssignableFrom(spiType)) {
            // Give control of injection time only for servlet endpoints
            if(endpoint.implementedByWebComponent()) {
                return (T) new ResourceInjectorImpl(endpoint);
            }
        }

        if (Module.class.isAssignableFrom(spiType)) {
            
            if (module != null) {
                return ((T)spiType.cast(module));
            }
            else {
                return ((T)spiType.cast(new Module() {
                    @Override
                    public List getBoundEndpoints() {
                        return new ArrayList(){
                            private static final long serialVersionUID = 1L;
                            @Override
                            public boolean add(BoundEndpoint e) {
                                return true;
                            }
                        };
                    }
                }));
            }
        }
        return null;
    }
}