/*
 * JBoss, Home of Professional Open Source
 * Copyright 2013, Red Hat, Inc. and/or its affiliates, and individual
 * contributors by the @authors tag. See the copyright.txt in the
 * distribution for a full listing of individual contributors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * http://www.apache.org/licenses/LICENSE-2.0
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.jboss.as.quickstarts.rshelloworld;

import javax.inject.Inject;
import javax.json.Json;
import javax.json.JsonObject;
import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.Produces;

/**
 * A simple JAX-RS 2.0 REST service which is able to say hello to the world using an injected HelloService CDI bean.
 * The {@link javax.ws.rs.Path} class annotation value is related to the {@link org.jboss.as.quickstarts.rshelloworld.HelloWorldApplication}'s path.
 * 
 * @author gbrey@redhat.com
 * @author Eduardo Martins
 * 
 */

@Path("/")
public class HelloWorld {
    @Inject
    HelloService helloService;

    /**
     * Retrieves a JSON hello world message.
     * The {@link javax.ws.rs.Path} method annotation value is related to the one defined at the class level.
     * @return
     */
    @GET
    @Path("json")
    @Produces({ "application/json" })
    public JsonObject getHelloWorldJSON() {
        return Json.createObjectBuilder()
                .add("result", helloService.createHelloMessage("World"))
                .build();
    }

    /**
     * Retrieves a XML hello world message.
     * The {@link javax.ws.rs.Path} method annotation value is related to the one defined at the class level.
     * @return
     */
    @GET
    @Path("xml")
    @Produces({ "application/xml" })
    public String getHelloWorldXML() {
        return "<xml><result>" + helloService.createHelloMessage("World") + "</result></xml>";
    }

}
