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UniqueEmail validator

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+68

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+68

-5

lines changed

Lines changed: 2 additions & 4 deletions

Original file line number	Diff line number	Diff line change
`@@ -2,16 +2,14 @@`
`2`	`2`
`3`	`3`	`import javax.validation.constraints.Size;`
`4`	`4`
`5`		`-import org.hibernate.validator.constraints.Email;`
`6`	`5`	`import org.hibernate.validator.constraints.NotBlank;`
`7`	`6`
`8`	`7`	`import com.naturalprogrammer.spring5tutorial.domain.User;`
	`8`	`+import com.naturalprogrammer.spring5tutorial.validation.UniqueEmail;`
`9`	`9`
`10`	`10`	`public class UserCommand {`
`11`	`11`
`12`		`- @NotBlank(message="{blankEmail}")`
`13`		`- @Email`
`14`		`- @Size(min=4, max=250, message="{emailSizeError}")`
	`12`	`+ @UniqueEmail`
`15`	`13`	`private String email;`
`16`	`14`
`17`	`15`	`@NotBlank`

Lines changed: 4 additions & 1 deletion

Original file line number	Diff line number	Diff line change
`@@ -11,10 +11,13 @@`
`11`	`11`	`import javax.persistence.FetchType;`
`12`	`12`	`import javax.persistence.GeneratedValue;`
`13`	`13`	`import javax.persistence.Id;`
	`14`	`+import javax.persistence.Index;`
`14`	`15`	`import javax.persistence.Table;`
`15`	`16`
`16`	`17`	`@Entity`
`17`		`-@Table(name="usr")`
	`18`	`+@Table(name="usr", indexes = {`
	`19`	`+ @Index(columnList = "email", unique=true)`
	`20`	`+})`
`18`	`21`	`public class User {`
`19`	`22`
`20`	`23`	`public static enum Role {`

Lines changed: 30 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,30 @@`
	`1`	`+package com.naturalprogrammer.spring5tutorial.validation;`
	`2`	`+`
	`3`	`+import static java.lang.annotation.ElementType.FIELD;`
	`4`	`+import static java.lang.annotation.RetentionPolicy.RUNTIME;`
	`5`	`+`
	`6`	`+import java.lang.annotation.Documented;`
	`7`	`+import java.lang.annotation.Retention;`
	`8`	`+import java.lang.annotation.Target;`
	`9`	`+`
	`10`	`+import javax.validation.Constraint;`
	`11`	`+import javax.validation.constraints.Size;`
	`12`	`+`
	`13`	`+import org.hibernate.validator.constraints.Email;`
	`14`	`+import org.hibernate.validator.constraints.NotBlank;`
	`15`	`+`
	`16`	`+@Constraint(validatedBy=UniqueEmailValidator.class)`
	`17`	`+@NotBlank(message="{blankEmail}")`
	`18`	`+@Email`
	`19`	`+@Size(min=4, max=250, message="{emailSizeError}")`
	`20`	`+@Documented`
	`21`	`+@Retention(RUNTIME)`
	`22`	`+@Target(FIELD)`
	`23`	`+public @interface UniqueEmail {`
	`24`	`+`
	`25`	`+ String message() default "{duplicateEmail}";`
	`26`	`+`
	`27`	`+ Class[] groups() default {};`
	`28`	`+`
	`29`	`+ Class[] payload() default {};`
	`30`	`+}`

Lines changed: 31 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,31 @@`
	`1`	`+package com.naturalprogrammer.spring5tutorial.validation;`
	`2`	`+`
	`3`	`+import javax.validation.ConstraintValidator;`
	`4`	`+import javax.validation.ConstraintValidatorContext;`
	`5`	`+`
	`6`	`+import org.springframework.stereotype.Component;`
	`7`	`+`
	`8`	`+import com.naturalprogrammer.spring5tutorial.repositories.UserRepository;`
	`9`	`+`
	`10`	`+@Component`
	`11`	`+public class UniqueEmailValidator`
	`12`	`+ implements ConstraintValidator<UniqueEmail, String> {`
	`13`	`+`
	`14`	`+ private UserRepository userRepository;`
	`15`	`+`
	`16`	`+ public UniqueEmailValidator(UserRepository userRepository) {`
	`17`	`+ this.userRepository = userRepository;`
	`18`	`+ }`
	`19`	`+`
	`20`	`+ @Override`
	`21`	`+ public void initialize(UniqueEmail arg0) {`
	`22`	`+ // TODO Auto-generated method stub`
	`23`	`+`
	`24`	`+ }`
	`25`	`+`
	`26`	`+ @Override`
	`27`	`+ public boolean isValid(String email, ConstraintValidatorContext arg1) {`
	`28`	`+`
	`29`	`+ return !userRepository.findByEmail(email).isPresent();`
	`30`	`+ }`
	`31`	`+}`

Lines changed: 1 addition & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -1,2 +1,3 @@`
`1`	`1`	`blankEmail: Please provide your email address!`
`2`	`2`	`emailSizeError: Email size should be between {min} and {max} chars`
	`3`	`+duplicateEmail: Email should be unique`

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