MyResource.java

import com.codahale.metrics.annotation.Timed;
import freemarker.template.Template;
import io.dropwizard.hibernate.UnitOfWork;

import javax.ws.rs.*;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import java.io.OutputStreamWriter;
import java.io.StringWriter;
import java.io.Writer;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * Created by harshvardhan on 12/07/18.
 */
@Path("/resource")
public class MyResource {

    private InfoDao infoDao;

    public MyResource(InfoDao infoDao) {
        this.infoDao = infoDao;
    }

    @GET
    @Timed
    @Produces({MediaType.APPLICATION_JSON})
    @Path("/getName")
    public String getName() {
        return "Harsh";
    }

    @POST
    @Timed
    @Produces({MediaType.APPLICATION_JSON})
    @Path("/postName")
    public String postName(String name) {
        System.out.println("Name given by : "+name);
        return "Ok";
    }

    @GET
    @Timed
    @Produces({MediaType.APPLICATION_JSON})
    @UnitOfWork
    @Path("/findAllEmp")
    public List<Info> findAllEmp() {
        return infoDao.findAll();
    }

    @POST
    @Timed
    @UnitOfWork
    @Produces({MediaType.APPLICATION_JSON})
    @Path("/saveEmp")
    public String saveEmp(Info info) {
        return infoDao.create(info);
    }

    @GET
    @Timed
    @Produces({MediaType.TEXT_HTML})
    @Path("/helloWorld")
    public Response getHelloWorld() {
        try {
            Template temp = TemplateConfigurationContext.getConfiguration().getTemplate("helloWorld.ftl");
            Map root = new HashMap();
            root.put("user", "Harsh");
            Writer writer = new StringWriter();
            temp.process(root, writer);
            return Response.status(Response.Status.ACCEPTED).entity((writer.toString())).build();
        } catch (Exception e) {
            e.printStackTrace();
        }
        return Response.status(Response.Status.INTERNAL_SERVER_ERROR).entity(("Oops! Try again later")).build();
    }

}