Java tutorial
package cz.muni.fi.pa165.rentalofconstructionmachinery.restclient; import cz.muni.fi.pa165.rentalofconstructionmachinery.dto.MachineDTO; import java.net.URI; import java.net.URISyntaxException; import java.util.Arrays; import java.util.List; import org.springframework.http.HttpEntity; import org.springframework.http.HttpHeaders; import org.springframework.http.HttpMethod; import org.springframework.http.ResponseEntity; import org.springframework.web.client.RestTemplate; /** * * @author Zuzana Krejcova */ public class MachineRestController { private static String MACHINE_URL = App.WEBAPP_LOCATION + "machine/"; private static RestTemplate rt = new RestTemplate(); private static HttpHeaders httpHeaders; public static void setHttpHeaders(HttpHeaders headers) { httpHeaders = headers; } public static void deleteMachine(Long id) throws URISyntaxException { String url = MACHINE_URL + id; rt.exchange(new URI(url), HttpMethod.DELETE, new HttpEntity<>(httpHeaders), Object.class); } public static void newMachine(String licensePlate, String type) { MachineDTO machine = new MachineDTO(null, licensePlate, type); rt.postForLocation(MACHINE_URL, new HttpEntity<>(machine, httpHeaders)); } public static void editMachine(Long id, String licensePlate, String type) { String url = MACHINE_URL + id; MachineDTO machine = new MachineDTO(id, licensePlate, type); rt.put(url, new HttpEntity<>(machine, httpHeaders)); } public static MachineDTO machineDetails(Long id) throws URISyntaxException { String url = MACHINE_URL + id; HttpEntity re = rt.exchange(new URI(url), HttpMethod.GET, new HttpEntity<>(httpHeaders), MachineDTO.class); return (MachineDTO) re.getBody(); } public static List<MachineDTO> listMachines() throws URISyntaxException { HttpEntity re = rt.exchange(new URI(MACHINE_URL), HttpMethod.GET, new HttpEntity<>(httpHeaders), MachineDTO[].class); return Arrays.asList((MachineDTO[]) re.getBody()); } }