ReactiveGreetingResource.java

package org.acme.getting.started;

import io.smallrye.mutiny.Multi;
import io.smallrye.mutiny.Uni;
import org.jboss.resteasy.reactive.RestSseElementType;

import javax.inject.Inject;
import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.Produces;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.PathSegment;
import java.util.List;

@Path("/hello")
public class ReactiveGreetingResource {

    @Inject
    ReactiveGreetingService service;

    @GET
    @Produces(MediaType.TEXT_PLAIN)
    @Path("/greeting/{name}")
    public Uni<String> greeting(String name) {
        return service.greeting(name);
    }

    @GET
    @Produces(MediaType.TEXT_PLAIN)
    @Path("/greeting/{count}/{name}")
    public Multi<String> greetings(int count, String name) {
        return service.greetings(count, name);
    }

    @GET
    @Produces(MediaType.SERVER_SENT_EVENTS)
    @RestSseElementType(MediaType.TEXT_PLAIN)
    @Path("/stream/{count}/{name}")
    public Multi<String> greetingsAsStream(int count, String name) {
        return service.greetings(count, name);
    }

    @GET
    @Produces(MediaType.TEXT_PLAIN)
    public String hello() {
        return "hello";
    }

    // https://docs.jboss.org/resteasy/docs/4.6.0.Final/userguide/html_single/index.html#_PathParam_and_PathSegment
    @GET
    @Path("/book/{id}")
    public String getBook(@PathParam("id") PathSegment id) {
        return id.getPath();
    }

    @GET
    @Path("{keyword:.*}")
    public String searchByKeywords(@PathParam("keyword") List<PathSegment> keywords) {
        return keywords.toString();
    }
}