YUGANDHAR: Spring MVC Application

HelloYogiController.java

package com.yug.test;

import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Map;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.validation.Valid;

import org.springframework.beans.propertyeditors.CustomDateEditor;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
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.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
//import org.springframework.web.portlet.ModelAndView;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.mvc.AbstractController;

@Controller

public class HelloYogiController{

@InitBinder
public void initBinder(WebDataBinder binder){
//binder.setDisallowedFields(new String[]{"password"});
SimpleDateFormat dateFormat=new SimpleDateFormat("yyyy****mm**dd");
binder.registerCustomEditor(Date.class, "dob",new CustomDateEditor(dateFormat, false));
binder.registerCustomEditor(String.class, "username", new nameEditor());
}

@RequestMapping(value="/admissionfrom.html", method= RequestMethod.GET)
public ModelAndView getFormPage() {
ModelAndView mav=new ModelAndView("Admissionfrom");

return mav;
}

@ModelAttribute
public void addingCommonObjects(Model m){
m.addAttribute("msg", "Welcome to Spring MVC Applications using @ModelAttribute");
}

@RequestMapping(value="/submitformpage.html", method= RequestMethod.POST)
public ModelAndView getFormResult(@Valid @ModelAttribute("emp") Employee e, BindingResult result) {

if(result.hasErrors()){
ModelAndView mav=new ModelAndView("Admissionfrom");
return mav;
}
ModelAndView mav=new ModelAndView("HelloPage");

return mav;
}

}

Employee.java

package com.yug.test;

import java.util.ArrayList;
import java.util.Date;

import javax.validation.constraints.Max;
import javax.validation.constraints.Past;
import javax.validation.constraints.Pattern;
import javax.validation.constraints.Size;

public class Employee {

private String username;

@Size(min=3, max=11, message="Password size must be between {min} and {max}")
@isYogiFieldValidator(listOfValidPasswords="java|.net|sql")
private String password;

@Max(2222)
private long mobile;
@Past
private Date dob;

private ArrayList<String> skills;
private Address empaddr;
public Address getEmpaddr() {
return empaddr;
}
public void setEmpaddr(Address empaddr) {
this.empaddr = empaddr;
}
public long getMobile() {
return mobile;
}
public void setMobile(long mobile) {
this.mobile = mobile;
}
public Date getDob() {
return dob;
}
public void setDob(Date dob) {
this.dob = dob;
}
public ArrayList<String> getSkills() {
return skills;
}
public void setSkills(ArrayList<String> skills) {
this.skills = skills;
}

public String getUsername() {
return username;
}
public void setUsername(String username) {
this.username = username;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}

}

Address.java

package com.yug.test;

public class Address {

private String country;

public String getCountry() {

return country;

}

public void setCountry(String country) {

this.country = country;

}

public String getCity() {

return city;

}

public void setCity(String city) {

this.city = city;

}

public int getPincode() {

return pincode;

}

public void setPincode(int pincode) {

this.pincode = pincode;

}

private String city;

private int pincode;

}

FieldValidator.java

package com.yug.test;

import javax.validation.ConstraintValidator;

import javax.validation.ConstraintValidatorContext;

public class FieldValidator implements ConstraintValidator<isYogiFieldValidator, String>{

String islistOfValidpwd;

@Override

public void initialize(isYogiFieldValidator isFieldValidator){

this.islistOfValidpwd = isFieldValidator.listOfValidPasswords();

}

public boolean isValid(String skills, ConstraintValidatorContext ctx) {

if(skills == null){

return false;

}

if(skills.matches(islistOfValidpwd)){

return true;

}else{

return false;

}

isYogiFieldValidator.java

package com.yug.test;

import java.lang.annotation.Documented;

import java.lang.annotation.ElementType;

import java.lang.annotation.Retention;

import java.lang.annotation.RetentionPolicy;

import java.lang.annotation.Target;

import javax.validation.Constraint;

import javax.validation.Payload;

@Documented

@Constraint(validatedBy= FieldValidator.class)

@Target(ElementType.FIELD)

@Retention(RetentionPolicy.RUNTIME)

public @interface isYogiFieldValidator {

//String listOfValidPasswords() default "java|.net|sql";

String listOfValidPasswords();

String message() default "Please, provide skills which you have, Accepted passwords are java, .net, and sql";

Class<?>[] groups() default{};

Class<? extends Payload>[] payload() default{};

}

nameEditor.java

package com.yug.test;

import java.beans.PropertyEditorSupport;

public class nameEditor extends PropertyEditorSupport {

@Override

public void setAsText(String username)throws IllegalArgumentException{

if(username.contains("Mr.") || username.contains("Mrs.")){

setValue(username);

}else{

username="Ms."+username;

setValue(username);

}

AdmissionForm.java

<%@ taglib prefix="form" uri="http://www.springframework.org/tags/form"%>

<%@ page language="java" contentType="text/html; charset=ISO-8859-1"

pageEncoding="ISO-8859-1"%>

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">

<html>

<head>

<title>Insert title here</title>

</head>

<body>

<form:errors path="emp.*"/>

<table>

<td><tr>Enter User Name :</tr>

</td><td><tr><input type="text" name="username"></tr></td><br><br>

<td><tr>Enter User - Pwd :</tr>

</td><td><tr><input type="password" name="password"></tr></td><br><br>

<td><tr>Enter ur mobile # :</tr>

</td><td><tr><input type="text" name="mobile"></tr></td><br><br>

<td><tr>Enter User DOB :</tr>

</td><td><tr><input type="text" name="dob"></tr></td><br><br>

<td><tr>Enter Skills set :</tr>

</td><td><tr><select name="skills" multiple="multiple">

</tr></td><br><br>

</td><td align="center">

</table>

<table>

<tr>

<td>Country :</td><td><input type="text" name="empaddr.country"/></td></tr>

<tr>

<tr>

<td>Pincode :</td><td><input type="text" name="empaddr.pincode"/></td></tr>

</table>

</form>

</body>

</html>

empMassages.properties

Size = please, Enter a value for {0} field between {2} and {1} and dynamically that is cacheSeconds property.

#Size = please, Enter a value for password field between min and max and only size annotation is using.

#Size.java.lang.String = please, Enter a value for password field between 2 and 10 and type added.

#Size.password = please, Enter a value for password field between 2 and 10 and reference removed.

#Size.emp.password = please, Enter a value for password field between 2 and 10.

HelloPage.jsp

<%@ page language="java" contentType="text/html; charset=ISO-8859-1"

pageEncoding="ISO-8859-1"%>

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">

<html>

<head>

<title>Insert title here</title>

</head>

<body>

<table>

<tr>

<td>${emp.username}</td>

</tr>

<tr>

<td>${emp.password}</td>

</tr>

<tr>

<td>user mobile is : </td>

<td>${emp.mobile}</td>

</tr>

<tr>

</tr>

<tr>

<td>user skills is : </td>

<td>${emp.skills}</td>

</tr>

<tr>

<td>Employee Address :</td>

<td>

County :${emp.empaddr.country}

City :${emp.empaddr.city}

Pincode :${emp.empaddr.pincode}

</td></tr>

</table>

</body>

</html>

spring-dispatcher-servlet.xml

<?xml version="1.0" encoding="UTF-8"?>

<beans xmlns="http://www.springframework.org/schema/beans"

xmlns:context="http://www.springframework.org/schema/context"

xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

xmlns:mvc="http://www.springframework.org/schema/mvc"

xsi:schemaLocation="

http://www.springframework.org/schema/beans

http://www.springframework.org/schema/beans/spring-beans.xsd

http://www.springframework.org/schema/context

http://www.springframework.org/schema/context/spring-context.xsd

http://www.springframework.org/schema/mvc

http://www.springframework.org/schema/mvc/spring-mvc.xsd ">

<context:component-scan base-package="com.yug.test"></context:component-scan>

<mvc:annotation-driven></mvc:annotation-driven>

</property>

</property>

</bean>

</bean>

</beans>

web.xml

<?xml version="1.0" encoding="UTF-8"?>

<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" id="WebApp_ID" version="3.0">

<display-name>firstSpringMVCEx</display-name>

<servlet-name>spring-dispatcher</servlet-name>

<servlet-class>

org.springframework.web.servlet.DispatcherServlet

</servlet-class>

<load-on-startup>1</load-on-startup>

</servlet>

<servlet-mapping>

<servlet-name>spring-dispatcher</servlet-name>

<url-pattern>/</url-pattern>

</servlet-mapping>

<welcome-file-list>

<welcome-file>index.html</welcome-file>

<welcome-file>index.htm</welcome-file>

<welcome-file>index.jsp</welcome-file>

<welcome-file>default.html</welcome-file>

<welcome-file>default.htm</welcome-file>

<welcome-file>default.jsp</welcome-file>

</welcome-file-list>

</web-app>

YUGANDHAR

Sunday, 22 May 2016

Spring MVC Application

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