Form básico de cadastro.

CDSCeunes · Aug 10, 2015 · 8157e13 · 8157e13
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diff --git a/src/main/java/br/ufes/cdsceunes/controller/TeacherController.java b/src/main/java/br/ufes/cdsceunes/controller/TeacherController.java
@@ -0,0 +1,59 @@
+package br.ufes.cdsceunes.controller;
+
+import javax.transaction.Transactional;
+import javax.validation.Valid;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Controller;
+import org.springframework.validation.BindingResult;
+import org.springframework.web.bind.WebDataBinder;
+import org.springframework.web.bind.annotation.InitBinder;
+import org.springframework.web.bind.annotation.ModelAttribute;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestMethod;
+import org.springframework.web.servlet.ModelAndView;
+import org.springframework.web.servlet.mvc.support.RedirectAttributes;
+
+import br.ufes.cdsceunes.dao.TeacherDAO;
+import br.ufes.cdsceunes.model.Teacher;
+import br.ufes.cdsceunes.validators.TeacherValidator;
+
+@Controller
+@Transactional
+@RequestMapping("/teachers")
+public class TeacherController extends AbstractController {
+
+	@Autowired
+	private TeacherDAO teachers;
+
+	@InitBinder
+	protected void initBinder(WebDataBinder dataBinder) {
+		//dataBinder.setValidator(new TeacherValidator());
+	}
+
+	@RequestMapping("/")
+	public ModelAndView list() {
+		ModelAndView mad = new ModelAndView("teacher/list");
+		mad.addObject("teachers", teachers.list());
+		return mad;
+	}
+
+	@RequestMapping(value = "/form", name = "add")
+	public ModelAndView form(@ModelAttribute Teacher teacher) {
+		ModelAndView mad = new ModelAndView("teacher/form");
+		return mad;
+	}
+
+	@RequestMapping(method = RequestMethod.POST, name="create", value="save")
+	public ModelAndView save(@ModelAttribute("teacher") @Valid Teacher teacher, BindingResult binding,
+			RedirectAttributes redirectAttributes) {
+		if (binding.hasErrors()) {
+			return form(teacher);
+		}
+
+		teachers.save(teacher);
+
+		redirectAttributes.addFlashAttribute("sucess", "Professor cadastrado com sucesso");
+		return new ModelAndView("redirect:");
+	}
+}
diff --git a/src/main/java/br/ufes/cdsceunes/model/Teacher.java b/src/main/java/br/ufes/cdsceunes/model/Teacher.java
@@ -1,5 +1,44 @@
 package br.ufes.cdsceunes.model;
 
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.Id;
+import javax.validation.constraints.DecimalMin;
+import javax.validation.constraints.Min;
+
+import org.hibernate.validator.constraints.NotBlank;
+
+@Entity
 public class Teacher extends AbstractModel {
 
+	@Id
+	@GeneratedValue
+	private Long id;
+
+	@NotBlank
+	private String name;
+
+	@NotBlank
+	private Integer age;
+
+	public String getName() {
+		return name;
+	}
+
+	public void setName(String name) {
+		this.name = name;
+	}
+
+	public Integer getAge() {
+		return age;
+	}
+
+	public void setAge(Integer age) {
+		this.age = age;
+	}
+
+
+
+
+
 }
diff --git a/src/main/java/br/ufes/cdsceunes/validators/TeacherValidator.java b/src/main/java/br/ufes/cdsceunes/validators/TeacherValidator.java
@@ -0,0 +1,25 @@
+package br.ufes.cdsceunes.validators;
+
+import org.springframework.validation.Errors;
+import org.springframework.validation.ValidationUtils;
+import org.springframework.validation.Validator;
+
+import br.ufes.cdsceunes.model.Teacher;
+
+public class TeacherValidator implements Validator {
+
+	@Override
+	public boolean supports(Class<?> clazz) {
+		return Teacher.class.isAssignableFrom(clazz);
+	}
+
+	@Override
+	public void validate(Object object, Errors errors) {
+		ValidationUtils.rejectIfEmptyOrWhitespace(errors, "name", "field.required");
+		Teacher teacher = (Teacher) object;
+		if (teacher.getAge() == 0) {
+			errors.rejectValue("age", "field.required");
+		}
+	}
+
+}
diff --git a/src/main/webapp/WEB-INF/views/teacher/form.jsp b/src/main/webapp/WEB-INF/views/teacher/form.jsp
@@ -0,0 +1,25 @@
+<%@ taglib prefix="spring" uri="http://www.springframework.org/tags"%>
+<%@ taglib uri="http://www.springframework.org/tags/form" prefix="form"%>
+<html>
+<head>
+<title>Adicionando novo professor</title>
+</head>
+<body>
+	<form:form action="${spring:mvcUrl('create').build()}" method="post"
+		commandName="teacher">
+		<div>
+			<label for="name">Nome:</label>
+			<form:input path="name" />
+			<form:errors path="name" />
+		</div>
+		<div>
+			<label for="age">Idade:</label>
+			<form:input path="age" />
+			<form:errors path="age" />
+		</div>
+		<div>
+			<input type="submit" value="Enviar" />
+		</div>
+	</form:form>
+</body>
+</html>
diff --git a/src/main/webapp/WEB-INF/views/teacher/list.jsp b/src/main/webapp/WEB-INF/views/teacher/list.jsp
@@ -0,0 +1,33 @@
+<%@ taglib prefix="spring" uri="http://www.springframework.org/tags"%>
+<%@taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
+
+<html>
+<head>
+<title>Lista de professores</title>
+</head>
+<body>
+	${sucess}
+	<spring:hasBindErrors name="teacher">
+		<ul>
+			<c:forEach var="error" items="${errors.allErrors }">
+				<li>${error.code }-${error.field}</li>
+			</c:forEach>
+		</ul>
+	</spring:hasBindErrors>
+	<table>
+		<tr>
+			<td>Nome</td>
+			<td>Idade</td>
+		</tr>
+		<c:forEach items="${teachers}" var="teacher">
+			<tr>
+				<td>${teacher.name}</td>
+				<td>${teacher.age }</td>
+			</tr>
+		</c:forEach>
+	</table>
+	<footer>
+		<a href="${spring:mvcUrl("add").build()}">Adicionar novo professor</a>
+	</footer>
+</body>
+</html>