Added MonetaryAmount support, out of the box. Fixes #606

Author: bnasslahsen

springdoc-openapi-common/pom.xml

@@ -43,5 +43,10 @@
 			<groupId>org.apache.commons</groupId>
 			<artifactId>commons-lang3</artifactId>
 		</dependency>
+		<dependency>
+			<groupId>javax.money</groupId>
+			<artifactId>money-api</artifactId>
+			<optional>true</optional>
+		</dependency>
 	</dependencies>
 </project>

springdoc-openapi-common/src/main/java/org/springdoc/core/SpringDocMonetaryAmountConfiguration.java

@@ -0,0 +1,21 @@
+package org.springdoc.core;
+
+
+import javax.money.MonetaryAmount;
+
+import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
+import org.springframework.context.annotation.Configuration;
+
+import static org.springdoc.core.Constants.SPRINGDOC_ENABLED;
+
+@ConditionalOnClass(MonetaryAmount.class)
+@Configuration
+@ConditionalOnProperty(name = SPRINGDOC_ENABLED, matchIfMissing = true)
+public class SpringDocMonetaryAmountConfiguration {
+
+	static {
+		SpringDocUtils.getConfig().replaceWithClass(MonetaryAmount.class, org.springdoc.core.converters.MonetaryAmount.class);
+	}
+
+}

springdoc-openapi-common/src/main/java/org/springdoc/core/converters/MonetaryAmount.java

@@ -0,0 +1,19 @@
+package org.springdoc.core.converters;
+
+import java.math.BigDecimal;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import io.swagger.v3.oas.annotations.media.Schema;
+
+@Schema
+public class MonetaryAmount {
+
+	@JsonProperty("amount")
+	@Schema(example = "99.96")
+	private BigDecimal amount;
+
+	@JsonProperty("currency")
+	@Schema(example = "USD")
+	private String currency;
+
+}

springdoc-openapi-common/src/main/resources/META-INF/spring.factories

@@ -1,3 +1,4 @@
 org.springframework.boot.autoconfigure.EnableAutoConfiguration=\
 org.springdoc.core.SpringDocConfiguration,\
-org.springdoc.core.SpringDocConfigProperties
+org.springdoc.core.SpringDocConfigProperties,\
+org.springdoc.core.SpringDocMonetaryAmountConfiguration

springdoc-openapi-webmvc-core/src/test/java/test/org/springdoc/api/app114/HelloController.java

@@ -0,0 +1,42 @@
+/*
+ *
+ *  * Copyright 2019-2020 the original author or authors.
+ *  *
+ *  * Licensed under the Apache License, Version 2.0 (the "License");
+ *  * you may not use this file except in compliance with the License.
+ *  * You may obtain a copy of the License at
+ *  *
+ *  *      https://www.apache.org/licenses/LICENSE-2.0
+ *  *
+ *  * Unless required by applicable law or agreed to in writing, software
+ *  * distributed under the License is distributed on an "AS IS" BASIS,
+ *  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  * See the License for the specific language governing permissions and
+ *  * limitations under the License.
+ *
+ */
+
+package test.org.springdoc.api.app114;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import org.springdoc.core.converters.MonetaryAmount;
+
+import org.springframework.http.MediaType;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+public class HelloController {
+
+	@PostMapping(value = "/foos1", consumes = MediaType.APPLICATION_JSON_VALUE)
+	MonetaryAmount getCurrency(@RequestBody CarDTO carDTO) {
+		return carDTO.price;
+	}
+
+	class CarDTO {
+		@JsonProperty("price")
+		MonetaryAmount price;
+	}
+
+}

springdoc-openapi-webmvc-core/src/test/java/test/org/springdoc/api/app114/SpringDocApp114Test.java

@@ -0,0 +1,12 @@
+package test.org.springdoc.api.app114;
+
+import test.org.springdoc.api.AbstractSpringDocTest;
+
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+
+public class SpringDocApp114Test extends AbstractSpringDocTest {
+
+	@SpringBootApplication
+	static class SpringDocTestApp {}
+}

springdoc-openapi-webmvc-core/src/test/resources/results/app114.json

@@ -0,0 +1,70 @@
+{
+  "openapi": "3.0.1",
+  "info": {
+    "title": "OpenAPI definition",
+    "version": "v0"
+  },
+  "servers": [
+    {
+      "url": "http://localhost",
+      "description": "Generated server url"
+    }
+  ],
+  "paths": {
+    "/foos1": {
+      "post": {
+        "tags": [
+          "hello-controller"
+        ],
+        "operationId": "getCurrency",
+        "requestBody": {
+          "content": {
+            "application/json": {
+              "schema": {
+                "$ref": "#/components/schemas/CarDTO"
+              }
+            }
+          },
+          "required": true
+        },
+        "responses": {
+          "200": {
+            "description": "OK",
+            "content": {
+              "*/*": {
+                "schema": {
+                  "$ref": "#/components/schemas/MonetaryAmount"
+                }
+              }
+            }
+          }
+        }
+      }
+    }
+  },
+  "components": {
+    "schemas": {
+      "CarDTO": {
+        "type": "object",
+        "properties": {
+          "price": {
+            "$ref": "#/components/schemas/MonetaryAmount"
+          }
+        }
+      },
+      "MonetaryAmount": {
+        "type": "object",
+        "properties": {
+          "amount": {
+            "type": "number",
+            "example": 99.96
+          },
+          "currency": {
+            "type": "string",
+            "example": "USD"
+          }
+        }
+      }
+    }
+  }
+}