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package org.glassfish.jersey.tests.e2e.common;

import java.io.IOException;

import javax.ws.rs.ConstrainedTo;
import javax.ws.rs.POST;
import javax.ws.rs.Path;
import javax.ws.rs.RuntimeType;
import javax.ws.rs.WebApplicationException;
import javax.ws.rs.client.Entity;
import javax.ws.rs.core.Application;
import javax.ws.rs.core.FeatureContext;
import javax.ws.rs.core.Response;
import javax.ws.rs.ext.WriterInterceptor;
import javax.ws.rs.ext.WriterInterceptorContext;

import org.glassfish.jersey.client.ClientConfig;
import org.glassfish.jersey.internal.spi.AutoDiscoverable;
import org.glassfish.jersey.internal.util.PropertiesHelper;
import org.glassfish.jersey.server.ResourceConfig;
import org.glassfish.jersey.test.JerseyTest;

import org.junit.Test;
import static org.junit.Assert.assertEquals;

/**
 * Note: Auto-discoverables from this test "affects" all other tests in suit.
 *
 * @author Michal Gajdos
 */
public class AutoDiscoverableTest extends JerseyTest {

    private static final String PROPERTY = "AutoDiscoverableTest";

    public static class CommonAutoDiscoverable implements AutoDiscoverable {

        @Override
        public void configure(final FeatureContext context) {
            // Return if PROPERTY is not true - applicable for other tests.
            if (!PropertiesHelper.isProperty(context.getConfiguration().getProperty(PROPERTY))) {
                return;
            }

            context.register(new WriterInterceptor() {
                @Override
                public void aroundWriteTo(final WriterInterceptorContext context) throws IOException, WebApplicationException {
                    context.setEntity(context.getEntity() + "-common");

                    context.proceed();
                }
            }, 1);
        }
    }

    @ConstrainedTo(RuntimeType.CLIENT)
    public static class ClientAutoDiscoverable implements AutoDiscoverable {

        @Override
        public void configure(final FeatureContext context) {
            // Return if PROPERTY is not true - applicable for other tests.
            if (!PropertiesHelper.isProperty(context.getConfiguration().getProperty(PROPERTY))) {
                return;
            }

            context.register(new WriterInterceptor() {
                @Override
                public void aroundWriteTo(final WriterInterceptorContext context) throws IOException, WebApplicationException {
                    context.setEntity(context.getEntity() + "-client");

                    context.proceed();
                }
            }, 10);
        }
    }

    @ConstrainedTo(RuntimeType.SERVER)
    public static class ServerAutoDiscoverable implements AutoDiscoverable {

        @Override
        public void configure(final FeatureContext context) {
            // Return if PROPERTY is not true - applicable for other tests.
            if (!PropertiesHelper.isProperty(context.getConfiguration().getProperty(PROPERTY))) {
                return;
            }

            context.register(new WriterInterceptor() {
                @Override
                public void aroundWriteTo(final WriterInterceptorContext context) throws IOException, WebApplicationException {
                    context.setEntity(context.getEntity() + "-server");

                    context.proceed();
                }
            }, 10);
        }
    }

    @Path("/")
    public static class Resource {

        @POST
        public String post(final String value) {
            return value;
        }
    }

    @Override
    protected Application configure() {
        return new ResourceConfig(Resource.class).property(PROPERTY, true);
    }

    @Override
    protected void configureClient(final ClientConfig config) {
        config.property(PROPERTY, true);
    }

    @Test
    public void testAutoDiscoverableConstrainedTo() throws Exception {
        final Response response = target().request().post(Entity.text("value"));

        assertEquals("value-common-client-common-server", response.readEntity(String.class));
    }
}
