Extract code samples from docs

See gh-6313

spring-boot-project/spring-boot-docs/build.gradle

@@ -79,7 +79,9 @@ dependencies {
 	implementation("org.assertj:assertj-core")
 	implementation("org.glassfish.jersey.core:jersey-server")
 	implementation("org.hibernate:hibernate-jcache")
+	implementation("org.jooq:jooq")
 	implementation("org.slf4j:jul-to-slf4j")
+	implementation("org.springframework:spring-jdbc")
 	implementation("org.springframework:spring-test")
 	implementation("org.springframework:spring-web")
 	implementation("org.springframework:spring-webmvc")
@@ -92,6 +94,7 @@ dependencies {
 	implementation("org.springframework.restdocs:spring-restdocs-restassured")
 	implementation("org.springframework.restdocs:spring-restdocs-webtestclient")
 	implementation("org.springframework.security:spring-security-config")
+	implementation("org.springframework.security:spring-security-oauth2-client")
 	implementation("org.springframework.security:spring-security-web")
 	implementation("org.junit.jupiter:junit-jupiter")
 	implementation("org.yaml:snakeyaml")

spring-boot-project/spring-boot-docs/src/docs/asciidoc/spring-boot-features.adoc

@@ -2893,16 +2893,9 @@ Jersey has some native Spring support, so we also provide auto-configuration sup
 
 To get started with Jersey, include the `spring-boot-starter-jersey` as a dependency and then you need one `@Bean` of type `ResourceConfig` in which you register all the endpoints, as shown in the following example:
 
-[source,java,pending-extract=true,indent=0,subs="verbatim,quotes,attributes"]
+[source,java,indent=0,subs="verbatim,quotes,attributes"]
 ----
-	@Component
+include::{include-springbootfeatures}/webapplications/jersey/JerseyConfig.java[]
-	public class JerseyConfig extends ResourceConfig {
-
-		public JerseyConfig() {
-			register(Endpoint.class);
-		}
-
-	}
 ----
 
 WARNING: Jersey's support for scanning executable archives is rather limited.
@@ -2913,18 +2906,9 @@ For more advanced customizations, you can also register an arbitrary number of b
 
 All the registered endpoints should be `@Components` with HTTP resource annotations (`@GET` and others), as shown in the following example:
 
-[source,java,pending-extract=true,indent=0,subs="verbatim,quotes,attributes"]
+[source,java,indent=0,subs="verbatim,quotes,attributes"]
 ----
-	@Component
+include::{include-springbootfeatures}/webapplications/jersey/Endpoint.java[]
-	@Path("/hello")
-	public class Endpoint {
-
-		@GET
-		public String message() {
-			return "Hello";
-		}
-
-	}
 ----
 
 Since the `Endpoint` is a Spring `@Component`, its lifecycle is managed by Spring and you can use the `@Autowired` annotation to inject dependencies and use the `@Value` annotation to inject external configuration.
@@ -3036,21 +3020,9 @@ If you need to programmatically configure your embedded servlet container, you c
 `WebServerFactoryCustomizer` provides access to the `ConfigurableServletWebServerFactory`, which includes numerous customization setter methods.
 The following example shows programmatically setting the port:
 
-[source,java,pending-extract=true,indent=0]
+[source,java,indent=0]
 ----
-	import org.springframework.boot.web.server.WebServerFactoryCustomizer;
+include::{include-springbootfeatures}/webapplications/embeddedservletcontainer/CustomizationBean.java[]
-	import org.springframework.boot.web.servlet.server.ConfigurableServletWebServerFactory;
-	import org.springframework.stereotype.Component;
-
-	@Component
-	public class CustomizationBean implements WebServerFactoryCustomizer<ConfigurableServletWebServerFactory> {
-
-		@Override
-		public void customize(ConfigurableServletWebServerFactory server) {
-			server.setPort(9000);
-		}
-
-	}
 ----
 
 `TomcatServletWebServerFactory`, `JettyServletWebServerFactory` and `UndertowServletWebServerFactory` are dedicated variants of `ConfigurableServletWebServerFactory` that have additional customization setter methods for Tomcat, Jetty and Undertow respectively.
@@ -3058,7 +3030,7 @@ The following example shows how to customize `TomcatServletWebServerFactory` tha
 
 [source,java,indent=0,subs="verbatim,quotes,attributes"]
 ----
-include::{include-springbootfeatures}/webapplications/TomcatServerCustomizer.java[]
+include::{include-springbootfeatures}/webapplications/embeddedservletcontainer/TomcatServerCustomizer.java[]
 ----
 
 
@@ -3226,24 +3198,9 @@ This is done on purpose since this builder is stateful and you shouldn't create
 
 The following code shows a typical example:
 
-[source,java,pending-extract=true,indent=0]
+[source,java,indent=0]
 ----
-	@Service
+include::{include-springbootfeatures}/rsocket/MyService.java[]
-	public class MyService {
-
-		private final Mono<RSocketRequester> rsocketRequester;
-
-		public MyService(RSocketRequester.Builder rsocketRequesterBuilder) {
-			this.rsocketRequester = rsocketRequesterBuilder
-					.connectTcp("example.org", 9898).cache();
-		}
-
-		public Mono<User> someRSocketCall(String name) {
-			return this.rsocketRequester.flatMap(req ->
-			            req.route("user").data(name).retrieveMono(User.class));
-		}
-
-	}
 ----
 
 
@@ -3310,7 +3267,7 @@ Spring Boot provides convenience methods that can be used to override access rul
 
 For example, you can customize your security configuration by adding something like:
 
-[source,java,pending-extract=true,indent=0]
+[source,java,indent=0]
 ----
 include::{include-springbootfeatures}/security/CustomWebFluxSecurityConfiguration.java[]
 ----
@@ -3389,19 +3346,9 @@ By default, Spring Security's `OAuth2LoginAuthenticationFilter` only processes U
 If you want to customize the `redirect-uri` to use a different pattern, you need to provide configuration to process that custom pattern.
 For example, for servlet applications, you can add your own `SecurityFilterChain` that resembles the following:
 
-[source,java,pending-extract=true,indent=0]
+[source,java,indent=0]
 ----
-    @Bean
+include::{include-springbootfeatures}/security/OAuthClientConfiguration.java[]
-    public SecurityFilterChain securityFilterChain(HttpSecurity http) throws Exception {
-        http
-            .authorizeRequests()
-                .anyRequest().authenticated()
-                .and()
-            .oauth2Login()
-                .redirectionEndpoint()
-                    .baseUri("/custom-callback");
-        return http.build();
-    }
 ----
 
 TIP: Spring Boot auto-configures an `InMemoryOAuth2AuthorizedClientService` which is used by Spring Security for the management of client registrations.
@@ -3713,25 +3660,9 @@ For example, the following section in `application.properties` shows how you can
 === Using JdbcTemplate
 Spring's `JdbcTemplate` and `NamedParameterJdbcTemplate` classes are auto-configured, and you can `@Autowire` them directly into your own beans, as shown in the following example:
 
-[source,java,pending-extract=true,indent=0]
+[source,java,indent=0]
 ----
-	import org.springframework.beans.factory.annotation.Autowired;
+include::{include-springbootfeatures}/sql/jdbctemplate/MyBean.java[]
-	import org.springframework.jdbc.core.JdbcTemplate;
-	import org.springframework.stereotype.Component;
-
-	@Component
-	public class MyBean {
-
-		private final JdbcTemplate jdbcTemplate;
-
-		@Autowired
-		public MyBean(JdbcTemplate jdbcTemplate) {
-			this.jdbcTemplate = jdbcTemplate;
-		}
-
-		// ...
-
-	}
 ----
 
 You can customize some properties of the template by using the `spring.jdbc.template.*` properties, as shown in the following example:
@@ -3773,49 +3704,9 @@ By default, all packages below your main configuration class (the one annotated
 Any classes annotated with `@Entity`, `@Embeddable`, or `@MappedSuperclass` are considered.
 A typical entity class resembles the following example:
 
-[source,java,pending-extract=true,indent=0]
+[source,java,indent=0]
 ----
-	package com.example.myapp.domain;
+include::{include-springbootfeatures}/sql/jpa/City.java[]
-
-	import java.io.Serializable;
-	import javax.persistence.*;
-
-	@Entity
-	public class City implements Serializable {
-
-		@Id
-		@GeneratedValue
-		private Long id;
-
-		@Column(nullable = false)
-		private String name;
-
-		@Column(nullable = false)
-		private String state;
-
-		// ... additional members, often include @OneToMany mappings
-
-		protected City() {
-			// no-args constructor required by JPA spec
-			// this one is protected since it shouldn't be used directly
-		}
-
-		public City(String name, String state) {
-			this.name = name;
-			this.state = state;
-		}
-
-		public String getName() {
-			return this.name;
-		}
-
-		public String getState() {
-			return this.state;
-		}
-
-		// ... etc
-
-	}
 ----
 
 TIP: You can customize entity scanning locations by using the `@EntityScan` annotation.
@@ -3836,20 +3727,9 @@ If you use auto-configuration, repositories are searched from the package contai
 
 The following example shows a typical Spring Data repository interface definition:
 
-[source,java,pending-extract=true,indent=0]
+[source,java,indent=0]
 ----
-	package com.example.myapp.domain;
+include::{include-springbootfeatures}/sql/jpa/CityRepository.java[]
-
-	import org.springframework.data.domain.*;
-	import org.springframework.data.repository.*;
-
-	public interface CityRepository extends Repository<City, Long> {
-
-		Page<City> findAll(Pageable pageable);
-
-		City findByNameAndStateAllIgnoringCase(String name, String state);
-
-	}
 ----
 
 Spring Data JPA repositories support three different modes of bootstrapping: default, deferred, and lazy.
@@ -3979,34 +3859,20 @@ The following listing shows an example:
 ==== Using DSLContext
 The fluent API offered by jOOQ is initiated through the `org.jooq.DSLContext` interface.
 Spring Boot auto-configures a `DSLContext` as a Spring Bean and connects it to your application `DataSource`.
-To use the `DSLContext`, you can `@Autowire` it, as shown in the following example:
+To use the `DSLContext`, you can inject it, as shown in the following example:
 
-[source,java,pending-extract=true,indent=0]
+[source,java,indent=0]
 ----
-	@Component
+include::{include-springbootfeatures}/sql/jooq/JooqExample.java[tag=!method]
-	public class JooqExample implements CommandLineRunner {
-
-		private final DSLContext create;
-
-		@Autowired
-		public JooqExample(DSLContext dslContext) {
-			this.create = dslContext;
-		}
-
-	}
 ----
 
 TIP: The jOOQ manual tends to use a variable named `create` to hold the `DSLContext`.
 
 You can then use the `DSLContext` to construct your queries, as shown in the following example:
 
-[source,java,pending-extract=true,indent=0]
+[source,java,indent=0]
 ----
-	public List<GregorianCalendar> authorsBornAfter1980() {
+include::{include-springbootfeatures}/sql/jooq/JooqExample.java[tag=method]
-		return this.create.selectFrom(AUTHOR)
-			.where(AUTHOR.DATE_OF_BIRTH.greaterThan(new GregorianCalendar(1980, 0, 1)))
-			.fetch(AUTHOR.DATE_OF_BIRTH);
-	}
 ----
 
 

spring-boot-project/spring-boot-docs/src/main/java/org/springframework/boot/docs/springbootfeatures/rsocket/MyService.java

@@ -0,0 +1,43 @@
+/*
+ * Copyright 2012-2021 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 org.springframework.boot.docs.springbootfeatures.rsocket;
+
+import reactor.core.publisher.Mono;
+
+import org.springframework.messaging.rsocket.RSocketRequester;
+import org.springframework.stereotype.Service;
+
+@Service
+public class MyService {
+
+	private final RSocketRequester rsocketRequester;
+
+	public MyService(RSocketRequester.Builder rsocketRequesterBuilder) {
+		this.rsocketRequester = rsocketRequesterBuilder.tcp("example.org", 9898);
+	}
+
+	public Mono<User> someRSocketCall(String name) {
+		return this.rsocketRequester.route("user").data(name).retrieveMono(User.class);
+	}
+
+}
+
+// @chomp:file
+
+class User {
+
+}

spring-boot-project/spring-boot-docs/src/main/java/org/springframework/boot/docs/springbootfeatures/security/OAuthClientConfiguration.java

@@ -0,0 +1,34 @@
+/*
+ * Copyright 2012-2021 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 org.springframework.boot.docs.springbootfeatures.security;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.security.config.annotation.web.builders.HttpSecurity;
+import org.springframework.security.web.SecurityFilterChain;
+
+@Configuration
+public class OAuthClientConfiguration {
+
+	@Bean
+	public SecurityFilterChain securityFilterChain(HttpSecurity http) throws Exception {
+		http.authorizeRequests().anyRequest().authenticated();
+		http.oauth2Login().redirectionEndpoint().baseUri("custom-callback");
+		return http.build();
+	}
+
+}

spring-boot-project/spring-boot-docs/src/main/java/org/springframework/boot/docs/springbootfeatures/sql/jdbctemplate/MyBean.java

@@ -0,0 +1,35 @@
+/*
+ * Copyright 2012-2021 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 org.springframework.boot.docs.springbootfeatures.sql.jdbctemplate;
+
+import org.springframework.jdbc.core.JdbcTemplate;
+import org.springframework.stereotype.Component;
+
+@Component
+public class MyBean {
+
+	private final JdbcTemplate jdbcTemplate;
+
+	public MyBean(JdbcTemplate jdbcTemplate) {
+		this.jdbcTemplate = jdbcTemplate;
+	}
+
+	public void doSomething() {
+		/* @chomp:line this.jdbcTemplate ... */ this.jdbcTemplate.execute("delete from customer");
+	}
+
+}

spring-boot-project/spring-boot-docs/src/main/java/org/springframework/boot/docs/springbootfeatures/sql/jooq/JooqExample.java

@@ -0,0 +1,46 @@
+/*
+ * Copyright 2012-2021 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 org.springframework.boot.docs.springbootfeatures.sql.jooq;
+
+import java.util.GregorianCalendar;
+import java.util.List;
+
+import org.jooq.DSLContext;
+
+import org.springframework.stereotype.Component;
+
+import static org.springframework.boot.docs.springbootfeatures.sql.jooq.Tables.AUTHOR;
+
+@Component
+public class JooqExample {
+
+	private final DSLContext create;
+
+	public JooqExample(DSLContext dslContext) {
+		this.create = dslContext;
+	}
+
+	// tag::method[]
+	public List<GregorianCalendar> authorsBornAfter1980() {
+		// @formatter:off
+		return this.create.selectFrom(AUTHOR)
+				.where(AUTHOR.DATE_OF_BIRTH.greaterThan(new GregorianCalendar(1980, 0, 1)))
+				.fetch(AUTHOR.DATE_OF_BIRTH);
+		// @formatter:on
+	} // end::method[]
+
+}

spring-boot-project/spring-boot-docs/src/main/java/org/springframework/boot/docs/springbootfeatures/sql/jooq/Tables.java

@@ -0,0 +1,49 @@
+/*
+ * Copyright 2012-2021 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 org.springframework.boot.docs.springbootfeatures.sql.jooq;
+
+import java.util.GregorianCalendar;
+
+import org.jooq.Name;
+import org.jooq.Table;
+import org.jooq.TableField;
+import org.jooq.impl.TableImpl;
+import org.jooq.impl.TableRecordImpl;
+
+abstract class Tables {
+
+	static final TAuthor AUTHOR = null;
+
+	abstract class TAuthor extends TableImpl<TAuthorRecord> {
+
+		TAuthor(Name name) {
+			super(name);
+		}
+
+		public final TableField<TAuthorRecord, GregorianCalendar> DATE_OF_BIRTH = null;
+
+	}
+
+	abstract class TAuthorRecord extends TableRecordImpl<TAuthorRecord> {
+
+		TAuthorRecord(Table<TAuthorRecord> table) {
+			super(table);
+		}
+
+	}
+
+}

spring-boot-project/spring-boot-docs/src/main/java/org/springframework/boot/docs/springbootfeatures/sql/jpa/City.java

@@ -0,0 +1,61 @@
+/*
+ * Copyright 2012-2021 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 org.springframework.boot.docs.springbootfeatures.sql.jpa;
+
+import java.io.Serializable;
+
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.Id;
+
+@Entity
+public class City implements Serializable {
+
+	@Id
+	@GeneratedValue
+	private Long id;
+
+	@Column(nullable = false)
+	private String name;
+
+	@Column(nullable = false)
+	private String state;
+
+	// ... additional members, often include @OneToMany mappings
+
+	protected City() {
+		// no-args constructor required by JPA spec
+		// this one is protected since it shouldn't be used directly
+	}
+
+	public City(String name, String state) {
+		this.name = name;
+		this.state = state;
+	}
+
+	public String getName() {
+		return this.name;
+	}
+
+	public String getState() {
+		return this.state;
+	}
+
+	// ... etc
+
+}

spring-boot-project/spring-boot-docs/src/main/java/org/springframework/boot/docs/springbootfeatures/sql/jpa/CityRepository.java

@@ -0,0 +1,29 @@
+/*
+ * Copyright 2012-2021 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 org.springframework.boot.docs.springbootfeatures.sql.jpa;
+
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.Pageable;
+import org.springframework.data.repository.Repository;
+
+public interface CityRepository extends Repository<City, Long> {
+
+	Page<City> findAll(Pageable pageable);
+
+	City findByNameAndStateAllIgnoringCase(String name, String state);
+
+}

spring-boot-project/spring-boot-docs/src/main/java/org/springframework/boot/docs/springbootfeatures/webapplications/embeddedservletcontainer/CustomizationBean.java

@@ -0,0 +1,31 @@
+/*
+ * Copyright 2012-2021 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 org.springframework.boot.docs.springbootfeatures.webapplications.embeddedservletcontainer;
+
+import org.springframework.boot.web.server.WebServerFactoryCustomizer;
+import org.springframework.boot.web.servlet.server.ConfigurableServletWebServerFactory;
+import org.springframework.stereotype.Component;
+
+@Component
+public class CustomizationBean implements WebServerFactoryCustomizer<ConfigurableServletWebServerFactory> {
+
+	@Override
+	public void customize(ConfigurableServletWebServerFactory server) {
+		server.setPort(9000);
+	}
+
+}

spring-boot-project/spring-boot-docs/src/main/java/org/springframework/boot/docs/springbootfeatures/webapplications/embeddedservletcontainer/TomcatServerCustomizer.java

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package org.springframework.boot.docs.springbootfeatures.webapplications;
+package org.springframework.boot.docs.springbootfeatures.webapplications.embeddedservletcontainer;
 
 import java.time.Duration;
 

spring-boot-project/spring-boot-docs/src/main/java/org/springframework/boot/docs/springbootfeatures/webapplications/jersey/Endpoint.java

@@ -0,0 +1,33 @@
+/*
+ * Copyright 2012-2021 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 org.springframework.boot.docs.springbootfeatures.webapplications.jersey;
+
+import javax.ws.rs.GET;
+import javax.ws.rs.Path;
+
+import org.springframework.stereotype.Component;
+
+@Component
+@Path("/hello")
+public class Endpoint {
+
+	@GET
+	public String message() {
+		return "Hello";
+	}
+
+}

spring-boot-project/spring-boot-docs/src/main/java/org/springframework/boot/docs/springbootfeatures/webapplications/jersey/JerseyConfig.java

@@ -0,0 +1,30 @@
+/*
+ * Copyright 2012-2021 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 org.springframework.boot.docs.springbootfeatures.webapplications.jersey;
+
+import org.glassfish.jersey.server.ResourceConfig;
+
+import org.springframework.stereotype.Component;
+
+@Component
+public class JerseyConfig extends ResourceConfig {
+
+	public JerseyConfig() {
+		register(Endpoint.class);
+	}
+
+}

src/checkstyle/checkstyle-suppressions.xml

@@ -50,4 +50,5 @@
 	<suppress files="BsdDomainSocket" checks="FinalClass" message="SockaddrUn" />
 	<suppress files="StringSequence" checks="SpringMethodVisibility" message="isEmpty"/>
 	<suppress files="ValidatorPropertiesWithDefaultValues\.java" checks="SpringMethodVisibility" />
+	<suppress files="JooqExample.java" checks="SpringAvoidStaticImport" />
 </suppressions>