Project Root
└─src
    └─ main
        └─ java  
            └─ com.example.demo
                └─ login
                    └─ controller                ...コントローラクラス用パッケージ
                └─ domain                        ...ビジネスロジック用パッケージ
                    └─ model                     ...Modelクラス用パッケージ
                        └─ LoginForm.java
                        └─ SignupForm.java
                        └─ ValidGroup1.java
                        └─ ValidGroup2.java
                        └─ ValidGroup3.java
                        └─ GroupOrder.java
        └─ resouces
            └─ static                            ...css,js用フォルダ
            └─ templates
                └─ login
                    └─ login.html
                    └─ signup.html
            └─ messages.properties
            └─ messages_en.properties

# =======================================
# データバインドエラーメッセージ
# =======================================

#typeMismatch.[ModelAttribute名].[プロパティ名]
typeMismatch.signupForm.age=Please enter a numeric value
typeMismatch.signupForm.birthday=Please enter in yyyy / MM / dd format

# =================================================
# バリデーションエラーメッセージ
# =================================================

#ユーザーID
signupForm.userId=UserID
NotBlank.signupForm.userId={0} is required 
Email.signupForm.userId=Please enter {0} in e-mail address format

#パスワード
signupForm.password=Password
NotBlank.signupForm.password={0} is required 
Length.signupForm.password=Please input {0} with more than {2} digits, {1} digits or fewer digits
Pattern.signupForm.password=Please enter {0} with half-width alphanumeric characters

#ユーザー名
signupForm.userName=UserName
NotBlank.signupForm.userName={0} is required 

#誕生日
signupForm.birthday=Birthday
NotNull.signupForm.birthday={0} is required 

#年齢
signupForm.age=Age
Min.signupForm.age={0} must be at least {1}
Max.signupForm.age={0} must be less than {1}

#結婚
AssertFalse.signupForm.marriage=You can only register if false