[Java][Spring] Add Spring pagination with vendor extension x-spring-paginated (#5022)

Co-authored-by: Mathias Hinterndorfer <mathias.hinterndorfer@joyn-it.at>
Co-authored-by: Mathias Hinterndorfer <mathias.hinterndorfer@gmail.com>
Co-authored-by: Jim Schubert <james.schubert@gmail.com>

samples/server/petstore/spring-mvc-j8-async/pom.xml

@@ -150,6 +150,16 @@
             <version>${beanvalidation-version}</version>
             <scope>provided</scope>
         </dependency>
+        <dependency>
+            <groupId>org.springframework.data</groupId>
+            <artifactId>spring-data-commons</artifactId>
+            <version>2.0.11.RELEASE</version>
+        </dependency>
+        <dependency>
+            <groupId>com.fasterxml.jackson.core</groupId>
+            <artifactId>jackson-databind</artifactId>
+            <version>${jackson-databind-version}</version>
+        </dependency>
     </dependencies>
     <properties>
         <java.version>1.8</java.version>
@@ -165,5 +175,6 @@
         <beanvalidation-version>1.1.0.Final</beanvalidation-version>
         <spring-version>4.3.20.RELEASE</spring-version>
         <jackson-databind-nullable-version>0.2.1</jackson-databind-nullable-version>
+        <jackson-databind-version>2.9.8</jackson-databind-version>
     </properties>
 </project>

samples/server/petstore/spring-mvc-j8-async/src/main/java/org/openapitools/api/AnotherFakeApi.java

@@ -11,9 +11,11 @@ import org.springframework.http.HttpStatus;
 import org.springframework.http.MediaType;
 import org.springframework.http.ResponseEntity;
 import org.springframework.validation.annotation.Validated;
+import org.springframework.data.domain.Pageable;
 import org.springframework.web.bind.annotation.*;
 import org.springframework.web.context.request.NativeWebRequest;
 import org.springframework.web.multipart.MultipartFile;
+import springfox.documentation.annotations.ApiIgnore;
 
 import javax.validation.Valid;
 import javax.validation.constraints.*;

samples/server/petstore/spring-mvc-j8-async/src/main/java/org/openapitools/api/FakeApi.java

@@ -21,9 +21,11 @@ import org.springframework.http.HttpStatus;
 import org.springframework.http.MediaType;
 import org.springframework.http.ResponseEntity;
 import org.springframework.validation.annotation.Validated;
+import org.springframework.data.domain.Pageable;
 import org.springframework.web.bind.annotation.*;
 import org.springframework.web.context.request.NativeWebRequest;
 import org.springframework.web.multipart.MultipartFile;
+import springfox.documentation.annotations.ApiIgnore;
 
 import javax.validation.Valid;
 import javax.validation.constraints.*;

samples/server/petstore/spring-mvc-j8-async/src/main/java/org/openapitools/api/FakeClassnameTestApi.java

@@ -11,9 +11,11 @@ import org.springframework.http.HttpStatus;
 import org.springframework.http.MediaType;
 import org.springframework.http.ResponseEntity;
 import org.springframework.validation.annotation.Validated;
+import org.springframework.data.domain.Pageable;
 import org.springframework.web.bind.annotation.*;
 import org.springframework.web.context.request.NativeWebRequest;
 import org.springframework.web.multipart.MultipartFile;
+import springfox.documentation.annotations.ApiIgnore;
 
 import javax.validation.Valid;
 import javax.validation.constraints.*;

samples/server/petstore/spring-mvc-j8-async/src/main/java/org/openapitools/api/PetApi.java

@@ -14,9 +14,11 @@ import org.springframework.http.HttpStatus;
 import org.springframework.http.MediaType;
 import org.springframework.http.ResponseEntity;
 import org.springframework.validation.annotation.Validated;
+import org.springframework.data.domain.Pageable;
 import org.springframework.web.bind.annotation.*;
 import org.springframework.web.context.request.NativeWebRequest;
 import org.springframework.web.multipart.MultipartFile;
+import springfox.documentation.annotations.ApiIgnore;
 
 import javax.validation.Valid;
 import javax.validation.constraints.*;

samples/server/petstore/spring-mvc-j8-async/src/main/java/org/openapitools/api/StoreApi.java

@@ -12,9 +12,11 @@ import org.springframework.http.HttpStatus;
 import org.springframework.http.MediaType;
 import org.springframework.http.ResponseEntity;
 import org.springframework.validation.annotation.Validated;
+import org.springframework.data.domain.Pageable;
 import org.springframework.web.bind.annotation.*;
 import org.springframework.web.context.request.NativeWebRequest;
 import org.springframework.web.multipart.MultipartFile;
+import springfox.documentation.annotations.ApiIgnore;
 
 import javax.validation.Valid;
 import javax.validation.constraints.*;

samples/server/petstore/spring-mvc-j8-async/src/main/java/org/openapitools/api/UserApi.java

@@ -12,9 +12,11 @@ import org.springframework.http.HttpStatus;
 import org.springframework.http.MediaType;
 import org.springframework.http.ResponseEntity;
 import org.springframework.validation.annotation.Validated;
+import org.springframework.data.domain.Pageable;
 import org.springframework.web.bind.annotation.*;
 import org.springframework.web.context.request.NativeWebRequest;
 import org.springframework.web.multipart.MultipartFile;
+import springfox.documentation.annotations.ApiIgnore;
 
 import javax.validation.Valid;
 import javax.validation.constraints.*;

samples/server/petstore/spring-mvc-j8-async/src/main/java/org/openapitools/configuration/OpenAPIUiConfiguration.java

@@ -16,6 +16,9 @@ import org.springframework.web.servlet.config.annotation.EnableWebMvc;
 import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
 import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;
 
+import org.springframework.web.method.support.HandlerMethodArgumentResolver;
+import org.springframework.data.web.PageableHandlerMethodArgumentResolver;
+
 import java.util.List;
 
 @javax.annotation.Generated(value = "org.openapitools.codegen.languages.SpringCodegen")
@@ -49,6 +52,12 @@ public class OpenAPIUiConfiguration extends WebMvcConfigurerAdapter {
     }
   }
 
+  @Override
+  public void addArgumentResolvers(List<HandlerMethodArgumentResolver> argumentResolvers) {
+    argumentResolvers.add(new PageableHandlerMethodArgumentResolver());
+    super.addArgumentResolvers(argumentResolvers);
+  }
+
   @Override
   public void addResourceHandlers(ResourceHandlerRegistry registry) {
     if (!registry.hasMappingForPattern("/webjars/**")) {