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 *
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 * 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
 * http://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.
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 * file and include the License file at packager/legal/LICENSE.txt.
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package org.glassfish.jersey.server.internal.routing;

import java.util.regex.Pattern;

import javax.inject.Inject;

import javax.ws.rs.container.ResourceInfo;

import org.glassfish.jersey.process.internal.RequestScoped;
import org.glassfish.jersey.server.ExtendedUriInfo;
import org.glassfish.jersey.uri.PathPattern;

import org.glassfish.hk2.api.Factory;
import org.glassfish.hk2.api.TypeLiteral;
import org.glassfish.hk2.utilities.binding.AbstractBinder;

/**
 * Provides routing configuration functionality.
 *
 * @author Paul Sandoz
 * @author Marek Potociar (marek.potociar at oracle.com)
 */
public class RouterBinder extends AbstractBinder {

    public interface RootRouteBuilder extends RouteBuilder {

        Router root(Router routingRoot);
    }

    public interface RouteBuilder {

        RouteToBuilder route(String pattern);

        RouteToBuilder route(T pattern);
    }

    public interface RouteToBuilder {

        RouteToPathBuilder to(Router.Builder ab);

        RouteToPathBuilder to(Router a);

        RouteToPathBuilder to(Class ca);

        RouteToPathBuilder to(Factory pa);
    }

    public interface RouteToPathBuilder extends RouteBuilder, RouteToBuilder, Router.Builder {
    }

    @Override
    public void configure() {
        bind(PatternRouteBuilder.class).to(new TypeLiteral>() {});
        bind(PathPatternRouteBuilder.class).to(new TypeLiteral>() {});

        /**
         * Note: Bellow bindings work because UriRoutingContextFactory is bound via class,
         * which causes HK2 to instantiate and inject it properly whenever it needs to be
         * used (typically once per run-time request scope instance).
         */
        bindAsContract(UriRoutingContext.class).in(RequestScoped.class);
        bindFactory(UriRoutingContextFactory.class).
                to(RoutingContext.class).
                to(ResourceInfo.class).
                to(ExtendedUriInfo.class).
                in(RequestScoped.class);

        // "Assisted" bindings
        bindAsContract(MatchResultInitializerRouter.Builder.class);
        bindAsContract(PatternRouter.Builder.class);
        bindAsContract(PathPatternRouter.Builder.class);
        bindAsContract(PushMethodHandlerRouter.Builder.class);
        bindAsContract(PushMatchedMethodResourceRouter.Builder.class);
        bindAsContract(PushMatchedRuntimeResourceRouter.Builder.class);
        bindAsContract(MethodSelectingRouter.Builder.class);
        bindAsContract(RoutingStage.Builder.class);
        bindAsContract(RoutedInflectorExtractorStage.class);
    }

    private static class UriRoutingContextFactory implements Factory {

        @Inject
        private UriRoutingContext ctx;

        @Override
        @RequestScoped
        public UriRoutingContext provide() {
            return ctx;
        }

        @Override
        public void dispose(UriRoutingContext instance) {
            //not used
        }
    }
}