package com.example;

import javax.ws.rs.GET;

import javax.ws.rs.Path;

import javax.ws.rs.Produces;

import javax.ws.rs.core.MediaType;

/**

 * Root resource (exposed at "myresource" path)

 */

@Path("myresource")

public class MyResource {

    /**

     * Method handling HTTP GET requests. The returned object will be sent

     * to the client as "text/plain" media type.

     *

     * @return String that will be returned as a text/plain response.

     */

    @GET

    @Produces(MediaType.TEXT_PLAIN)

    //http://localhost:8080/api/myresource/getIt

    @Path("/getIt")

    //localhost:8080/api/myresource/getIt

    public String getIt() {

        return "Got it!";

    }

}

<?xml version="1.0" encoding="UTF-8"?>

<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"

         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

         xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"

         version="3.1">

    <servlet>

        <servlet-name>test</servlet-name>

        <servlet-class>org.glassfish.jersey.servlet.ServletContainer</servlet-class>

        <init-param>

            <param-name>jersey.config.server.provider.packages</param-name>

            <param-value>com.example</param-value>

        </init-param>

        <load-on-startup>1</load-on-startup>

    </servlet>

    <servlet-mapping>

        <servlet-name>test</servlet-name>

        <url-pattern>/api/*</url-pattern>

    </servlet-mapping>

</web-app>