[SERVER] implement LicensePlateValidator to validate licensePlate

documents/documents/references.txt

@@ -1,6 +1,6 @@
 Document's name:    Saigon Parking Project References
 Author:             Huynh Thanh Binh
-Last updated:       Sat, Aug 2nd, 2020
+Last updated:       Mon, Aug 3rd, 2020
 ========================================================================================================================
 001. gRPC error handling:
         https://grpc.io/docs/guides/error/
@@ -390,4 +390,10 @@ Last updated:       Sat, Aug 2nd, 2020
         https://www.danvega.dev/blog/2016/01/13/sending-async-emails-in-spring/
 
 126. How To Do @Async in Spring
-        https://www.baeldung.com/spring-async
+        https://www.baeldung.com/spring-async
+
+127. Spring DTO validation using ConstraintValidator
+        https://stackoverflow.com/questions/56381693/spring-dto-validation-using-constraintvalidator
+
+128. Dynamic DTO Validation Config - Retrieved from the Database
+        https://www.baeldung.com/spring-dynamic-dto-validation

service/booking-service/src/main/java/com/bht/saigonparking/service/booking/annotation/LicensePlateValidation.java

@@ -0,0 +1,28 @@
+package com.bht.saigonparking.service.booking.annotation;
+
+import static java.lang.annotation.ElementType.*;
+
+import java.lang.annotation.Documented;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+import javax.validation.Constraint;
+import javax.validation.Payload;
+
+/**
+ *
+ * @author bht
+ */
+@Documented
+@Retention(RetentionPolicy.RUNTIME)
+@Constraint(validatedBy = LicensePlateValidator.class)
+@Target({FIELD, METHOD, ANNOTATION_TYPE, CONSTRUCTOR, PARAMETER})
+public @interface LicensePlateValidation {
+
+    String message() default "Number license plate is in wrong format !";
+
+    Class<?>[] groups() default {};
+
+    Class<? extends Payload>[] payload() default {};
+}

service/booking-service/src/main/java/com/bht/saigonparking/service/booking/annotation/LicensePlateValidator.java

@@ -0,0 +1,18 @@
+package com.bht.saigonparking.service.booking.annotation;
+
+import javax.validation.ConstraintValidator;
+import javax.validation.ConstraintValidatorContext;
+
+/**
+ *
+ * @author bht
+ */
+public final class LicensePlateValidator implements ConstraintValidator<LicensePlateValidation, String> {
+
+    @Override
+    public boolean isValid(String numberLicensePlate, ConstraintValidatorContext constraintValidatorContext) {
+        return numberLicensePlate
+                .replaceAll("\\s+|\\.+", "")                 // remove all space and dot characters exist in string
+                .matches("^[0-9]{1,2}[A-Za-z][0-9]?-[0-9]{4,5}$");      // example: 59H1-76217, 54L6-2908, 51B-1234, 86B-56789
+    }
+}

service/booking-service/src/main/java/com/bht/saigonparking/service/booking/entity/BookingEntity.java

@@ -21,6 +21,7 @@
 import org.hibernate.annotations.Type;
 
 import com.bht.saigonparking.common.base.BaseEntity;
+import com.bht.saigonparking.service.booking.annotation.LicensePlateValidation;
 
 import lombok.AllArgsConstructor;
 import lombok.EqualsAndHashCode;
@@ -47,8 +48,7 @@
 @Table(name = "[BOOKING]")
 public final class BookingEntity extends BaseEntity {
 
-    public static final Comparator<Map.Entry<BookingEntity, String>> SORT_BY_CREATED_AT_THEN_BY_BOOKING_ID
-            = new SortByCreatedAt().thenComparing(new SortById());
+    public static final Comparator<Map.Entry<BookingEntity, String>> SORT_BY_CREATED_AT_THEN_BY_BOOKING_ID = new SortByCreatedAt().thenComparing(new SortById());
 
     @NaturalId
     @Type(type = "uuid-char")
@@ -61,6 +61,7 @@ public final class BookingEntity extends BaseEntity {
     @Column(name = "[CUSTOMER_ID]", nullable = false)
     private Long customerId;
 
+    @LicensePlateValidation
     @Column(name = "[CUSTOMER_LICENSE_PLATE]", nullable = false)
     private String customerLicensePlate;