Controller class-
@Controller
@SessionAttributes({"id", "roleId"})
@RequestMapping("/User")
public class UserController {
@Autowired
private UserService userv = null;
@InitBinder("stdUser")
private void initBinder(WebDataBinder binder) {
System.out.println("1111======"+binder.getObjectName());
binder.setValidator(new NewUserValidator());
System.out.println("2222======"+binder.getObjectName());
}
@RequestMapping(value = "/allUsers")
public ModelAndView allUser(@ModelAttribute("userSetup")@Valid UserBean stdUser, BindingResult result, Map<String, Object> map, HttpSession session) {
StdCheckAccessV chk = new StdCheckAccessV();
chk.setFexe(Screens.User.substring(Screens.User.lastIndexOf("/") + 1, Screens.User.length()));
chk.setUid(Long.parseLong(session.getAttribute("id").toString().trim()));
chk.setRid(Long.parseLong(session.getAttribute("roleId").toString().trim()));
chk = userv.getAccess(chk);
List<StdUsers> l = userv.getUsersList();
stdUser.setChkAccessV(chk);
map.put("userList", l);
return new ModelAndView(Screens.User);
}
@RequestMapping(value = "/submitUser")
public ModelAndView addOrUpdate(@ModelAttribute("userSetup")@Valid UserBean stdUser, BindingResult result, HttpSession session, final RedirectAttributes redA) {
try {
int res = 0;
Long id = stdUser.getStdUsers().getId();
if (result.hasErrors()) {
System.out.println("///////result has errors " + result.toString());
return new ModelAndView("redirect:/User/allUsers");
}
System.out.println("////////the id============"+id);
if (id == null) {
System.out.println("/////inside the if");
stdUser.getStdUsers().setUserGroupId(Long.parseLong(session.getAttribute("id").toString().trim()));
stdUser.getStdUsers().setCreatedBy(Long.parseLong(session.getAttribute("id").toString().trim()));
stdUser.getStdUsers().setCreationDate(new Date());
res = userv.submitUser(stdUser);
} else {
System.out.println("/////inside the else");
stdUser.getStdUsers().setUpdateDate(new Date());
stdUser.getStdUsers().setUpdatedBy(Long.parseLong(session.getAttribute("id").toString().trim()));
res = userv.updateUser(stdUser);
}
} catch (Exception e) {
System.out.println("////Exception in add or update method " + e);
}
return new ModelAndView("redirect:/User/allUsers");
//return "redirect:/User/allUsers";
}}
Validator class-
@Component
public class NewUserValidator implements Validator {
@Override
public boolean supports(Class<?> userOb) {
return UserBean.class.equals(userOb);
}
@Override
public void validate(Object target, Errors errors) {
try {
UserBean user = (UserBean) target;
if (user.getStdUsers().getUserName() == null) {
ValidationUtils.rejectIfEmptyOrWhitespace(errors, "stdUsers.userName", "user.name.empty");
//errors.reject("stdUsers.userName", "User Name is mandatory");
}
} catch (Exception e) {
System.out.println(e);
}
}
} Bean Class-
public class UserBean {
private @Valid StdUsers stdUsers;
private @Valid StdCheckAccessV chkAccessV;
private boolean listView = true;
private String rePassword;
getters and setters.... }
index.jsp-
<body>
<%
session.setAttribute("id", 1);
session.setAttribute("roleId", 1);
%>
<a href="User/allUsers.html">User</a><br>
</body>
CMN/STD100002.jsp page
<td class="tdright"><form:label path="stdUsers.userName">User Name<em>*</em></form:label></td>
<td><form:input path="stdUsers.userName"/></td>
<td><form:errors path="stdUsers.userName"></form:errors></td>
<a href="#" name="btnsub" id="btnsub" onclick="submitUser()">
<table cellspacing="0" cellpadding="0" border="0">
<tr>
<td width="25" height="24px" align="center">
<img src="${pageContext.servletContext.contextPath}/resources/images/Buttons/gray icon/Add.png" width="16" height="15" border="0" />
</td>
<td>Submit</td>
<td></td>
</tr>
</table>
</a>
<script type="text/javascript">
function submitUser(){
document.form1.action="${pageContext.servletContext.contextPath}/User/submitUser";
document.form1.submit();
}
</script>
I am following a tutorial for using validation in spring as i am new for spring. On click of the submit button while leaving the User Name field empty, it should get validated with the message from Validator. When i tried to print the error in controller class by-
System.out.println("result has errors " + result.toString());
it prints-
result has errors org.springframework.validation.BeanPropertyBindingResult: 1 errors
Please help, i am not getting where i am wrong.
I used this code to check where is the error-
for (Object object : result.getAllErrors()) {
if (object instanceof FieldError) {
FieldError fieldError = (FieldError) object;
System.out.println("the field errors::::::::::::::::"+fieldError.getCode());
}
if (object instanceof ObjectError) {
ObjectError objectError = (ObjectError) object;
System.out.println("the object errors:::::::::"+objectError.getCode());
}
}
and i found-
the field errors::::::::::::::::user.name.empty
the object errors:::::::::user.name.empty
///////result has errors org.springframework.validation.BeanPropertyBindingResult: 2 errors
Field error in object 'userSetup' on field 'stdUsers.userName': rejected value []; codes [user.name.empty.userSetup.stdUsers.userName,user.name.empty.stdUsers.userName,user.name.em pty.userName,user.name.empty.java.lang.String,user.name.empty]; arguments []; default message [null]
Since these two fields i am putting empty to check validation. If i will get these error on putting the fields empty then how can i validate them?
StdUser-
@Entity
@Table(name = "STD_USERS")
@NamedQueries({
@NamedQuery(name = "StdUsers.findAll", query = "SELECT s FROM StdUsers s")})
public class StdUsers implements Serializable {
private static final long serialVersionUID = 1L;
@Id
@GenericGenerator(name="generator",strategy="increment")
@GeneratedValue(generator="generator")
@Basic(optional = false)
@Column(name = "ID", nullable = false)
private Long id;
@Basic(optional = false)
@Column(name = "USER_NAME", nullable = false, length = 50)
private String userName;
setters and getters.....
Any one please reply.
