From 8890de875da89e0c252e23ff3f1c2124f6cdcac3 Mon Sep 17 00:00:00 2001
From: thibaultfaure <thibault.faure.pro@gmail.com>
Date: Fri, 17 Feb 2023 02:16:55 +0100
Subject: [PATCH] BAEL-5288 Code for the Map Date Types With openapi generator
 article (#13467)

Co-authored-by: thibault.faure <thibault.faure@mimacom.com>
---
 .../spring-boot-swagger-2/pom.xml             | 59 +++++++++++++++++++
 .../src/main/resources/static/event.yaml      | 23 ++++++++
 .../com/baeldung/dates/EventUnitTest.java     | 33 +++++++++++
 3 files changed, 115 insertions(+)
 create mode 100644 spring-boot-modules/spring-boot-swagger-2/src/main/resources/static/event.yaml
 create mode 100644 spring-boot-modules/spring-boot-swagger-2/src/test/java/com/baeldung/dates/EventUnitTest.java

diff --git a/spring-boot-modules/spring-boot-swagger-2/pom.xml b/spring-boot-modules/spring-boot-swagger-2/pom.xml
index 1cd8e5b850..d2d1d10ad9 100644
--- a/spring-boot-modules/spring-boot-swagger-2/pom.xml
+++ b/spring-boot-modules/spring-boot-swagger-2/pom.xml
@@ -20,6 +20,10 @@
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-web</artifactId>
         </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-validation</artifactId>
+        </dependency>
         <dependency>
             <groupId>org.springdoc</groupId>
             <artifactId>springdoc-openapi-ui</artifactId>
@@ -59,6 +63,7 @@
                 <version>${swagger-codegen-maven-plugin.version}</version>
                 <executions>
                     <execution>
+                        <id>two-responses</id>
                         <goals>
                             <goal>generate</goal>
                         </goals>
@@ -71,6 +76,59 @@
                             </configOptions>
                         </configuration>
                     </execution>
+                    <execution>
+                        <id>dates</id>
+                        <goals>
+                            <goal>generate</goal>
+                        </goals>
+                        <configuration>
+                            <inputSpec>${project.basedir}/src/main/resources/static/event.yaml</inputSpec>
+                            <language>spring</language>
+                            <configOptions>
+                                <java8>true</java8>
+                                <dateLibrary>custom</dateLibrary>
+                            </configOptions>
+                            <typeMappings>
+                                <typeMapping>DateTime=Instant</typeMapping>
+                                <typeMapping>Date=Date</typeMapping>
+                            </typeMappings>
+                            <importMappings>
+                                <importMapping>Instant=java.time.Instant</importMapping>
+                                <importMapping>Date=java.util.Date</importMapping>
+                            </importMappings>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
+            <plugin>
+                <groupId>org.openapitools</groupId>
+                <artifactId>openapi-generator-maven-plugin</artifactId>
+                <version>${openapi-generator.version}</version>
+                <executions>
+                    <execution>
+                        <goals>
+                            <goal>generate</goal>
+                        </goals>
+                        <configuration>
+                            <skipValidateSpec>true</skipValidateSpec>
+                            <inputSpec>${project.basedir}/src/main/resources/static/event.yaml</inputSpec>
+                            <generatorName>spring</generatorName>
+                            <configOptions>
+                                <java8>true</java8>
+                                <dateLibrary>custom</dateLibrary>
+                                <openApiNullable>false</openApiNullable>
+                                <interfaceOnly>true</interfaceOnly>
+                            </configOptions>
+                            <typeMappings>
+                                <typeMapping>DateTime=Instant</typeMapping>
+                                <typeMapping>Date=Date</typeMapping>
+                            </typeMappings>
+                            <importMappings>
+                                <importMapping>Instant=java.time.Instant</importMapping>
+                                <importMapping>Date=java.util.Date</importMapping>
+                            </importMappings>
+                        </configuration>
+                    </execution>
                 </executions>
             </plugin>
             <plugin>
@@ -84,6 +142,7 @@
     </build>
 
     <properties>
+        <openapi-generator.version>6.2.1</openapi-generator.version>
         <springfox.version>3.0.0</springfox.version>
         <swagger-codegen-maven-plugin.version>3.0.34</swagger-codegen-maven-plugin.version>
         <springdoc.version>1.6.10</springdoc.version>
diff --git a/spring-boot-modules/spring-boot-swagger-2/src/main/resources/static/event.yaml b/spring-boot-modules/spring-boot-swagger-2/src/main/resources/static/event.yaml
new file mode 100644
index 0000000000..f8a7b01b43
--- /dev/null
+++ b/spring-boot-modules/spring-boot-swagger-2/src/main/resources/static/event.yaml
@@ -0,0 +1,23 @@
+openapi: 3.0.0
+info:
+  title: an example api with dates
+  version: 0.1.0
+paths:
+components:
+  schemas:
+    Event:
+      type: object
+      properties:
+        organizer:
+          type: string
+        startDate:
+          type: string
+          format: date
+        endDate:
+          type: string
+          format: date-time
+        ticketSales:
+          type: string
+          description: Beginning of the ticket sales
+          example: "01-01-2023"
+          pattern: "[0-9]{2}-[0-9]{2}-[0-9]{4}"
\ No newline at end of file
diff --git a/spring-boot-modules/spring-boot-swagger-2/src/test/java/com/baeldung/dates/EventUnitTest.java b/spring-boot-modules/spring-boot-swagger-2/src/test/java/com/baeldung/dates/EventUnitTest.java
new file mode 100644
index 0000000000..378882c964
--- /dev/null
+++ b/spring-boot-modules/spring-boot-swagger-2/src/test/java/com/baeldung/dates/EventUnitTest.java
@@ -0,0 +1,33 @@
+package com.baeldung.dates;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+import java.util.Set;
+
+import javax.validation.ConstraintViolation;
+import javax.validation.Validation;
+import javax.validation.Validator;
+
+import org.junit.jupiter.api.Test;
+
+import io.swagger.model.Event;
+
+class EventUnitTest {
+
+    private static final Validator VALIDATOR = Validation.buildDefaultValidatorFactory()
+        .getValidator();
+
+    @Test
+    void givenACorrectlyFormattedTicketSales_WhenBuildingEvent_ThenSuccess() {
+        Set<ConstraintViolation<Event>> violations = VALIDATOR.validate(new Event().ticketSales("01-01-2024"));
+        assertTrue(violations.isEmpty());
+    }
+
+    @Test
+    void givenAWronglyFormattedTicketSales_WhenBuildingEvent_ThenSuccess() {
+        Set<ConstraintViolation<Event>> violations = VALIDATOR.validate(new Event().ticketSales("2024-01-01"));
+        assertEquals(1, violations.size());
+    }
+
+}