Please follow the first two part of the tutorial before starting this:
Read Data From Database Using Dropwizard
Modify InfoDao To Persist Data
Add a method to persist data
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| import io.dropwizard.hibernate.AbstractDAO; | |
| import org.hibernate.SessionFactory; | |
| import java.util.List; | |
| /** | |
| * Created by harshvardhan on 10/07/18. | |
| */ | |
| public class InfoDao extends AbstractDAO<Info> { | |
| public InfoDao(SessionFactory factory) { | |
| super(factory); | |
| } | |
| public Info findById(String id) { | |
| return get(id); | |
| } | |
| public String create(Info info) { | |
| return persist(info).getEmpid(); | |
| } | |
| public List<Info> findAll() { | |
| return list(namedQuery("com.wordpress.nullpointerexception1.info.findAll")); | |
| } | |
| } |
Add POST API to store the info
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| import com.codahale.metrics.annotation.Timed; | |
| import io.dropwizard.hibernate.UnitOfWork; | |
| import javax.ws.rs.GET; | |
| import javax.ws.rs.POST; | |
| import javax.ws.rs.Path; | |
| import javax.ws.rs.Produces; | |
| import javax.ws.rs.core.MediaType; | |
| import java.util.List; | |
| /** | |
| * Created by harshvardhan on 12/07/18. | |
| */ | |
| @Path("/resource") | |
| @Produces(MediaType.APPLICATION_JSON) | |
| public class MyResource { | |
| private InfoDao infoDao; | |
| public MyResource(InfoDao infoDao) { | |
| this.infoDao = infoDao; | |
| } | |
| @GET | |
| @Timed | |
| @Path("/getName") | |
| public String getName() { | |
| return "Harsh"; | |
| } | |
| @POST | |
| @Timed | |
| @Path("/postName") | |
| public String postName(String name) { | |
| System.out.println("Name given by : "+name); | |
| return "Ok"; | |
| } | |
| @GET | |
| @Timed | |
| @UnitOfWork | |
| @Path("/findAllEmp") | |
| public List<Info> findAllEmp() { | |
| return infoDao.findAll(); | |
| } | |
| @POST | |
| @Timed | |
| @UnitOfWork | |
| @Path("/saveEmp") | |
| public String saveEmp(Info info) { | |
| return infoDao.create(info); | |
| } | |
| } |
Test Your API
Run your project.
Test using postman or any other rest client.
Database screenshot to show “Yash” stored.
Reference:
if you face any issue with the database connection, please update the dependency version of mysql-connector-java to 8.0.11