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Annotate actuator internal infrastructure with @Reflective 

This commit simplifies the registration of hints for the infrastructure
of the Actuator that is invoked via reflection.
This commit is contained in:
Stephane Nicoll 2022-08-17 17:25:06 +02:00
parent 6d6270edaf
commit 24a52aa66d
6 changed files with 38 additions and 40 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/cloudfoundry/reactive/CloudFoundryWebFluxEndpointHandlerMapping.java
View File

@ -16,7 +16,6 @@
package org.springframework.boot.actuate.autoconfigure.cloudfoundry.reactive; package org.springframework.boot.actuate.autoconfigure.cloudfoundry.reactive;
import java.lang.reflect.Method;
import java.util.Collection; import java.util.Collection;
import java.util.Collections; import java.util.Collections;
import java.util.LinkedHashMap; import java.util.LinkedHashMap;
@ -28,6 +27,8 @@ import reactor.core.publisher.Mono;
import org.springframework.aot.hint.RuntimeHints; import org.springframework.aot.hint.RuntimeHints;
import org.springframework.aot.hint.RuntimeHintsRegistrar; import org.springframework.aot.hint.RuntimeHintsRegistrar;
import org.springframework.aot.hint.annotation.Reflective;
import org.springframework.aot.hint.annotation.ReflectiveRuntimeHintsRegistrar;
import org.springframework.boot.actuate.autoconfigure.cloudfoundry.AccessLevel; import org.springframework.boot.actuate.autoconfigure.cloudfoundry.AccessLevel;
import org.springframework.boot.actuate.autoconfigure.cloudfoundry.SecurityResponse; import org.springframework.boot.actuate.autoconfigure.cloudfoundry.SecurityResponse;
import org.springframework.boot.actuate.autoconfigure.cloudfoundry.reactive.CloudFoundryWebFluxEndpointHandlerMapping.CloudFoundryWebFluxEndpointHandlerMappingRuntimeHints; import org.springframework.boot.actuate.autoconfigure.cloudfoundry.reactive.CloudFoundryWebFluxEndpointHandlerMapping.CloudFoundryWebFluxEndpointHandlerMappingRuntimeHints;
@ -44,8 +45,6 @@ import org.springframework.context.aot.BindingReflectionHintsRegistrar;
import org.springframework.http.HttpStatus; import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity; import org.springframework.http.ResponseEntity;
import org.springframework.http.server.reactive.ServerHttpRequest; import org.springframework.http.server.reactive.ServerHttpRequest;
import org.springframework.util.Assert;
import org.springframework.util.ReflectionUtils;
import org.springframework.web.cors.CorsConfiguration; import org.springframework.web.cors.CorsConfiguration;
import org.springframework.web.reactive.result.method.RequestMappingInfoHandlerMapping; import org.springframework.web.reactive.result.method.RequestMappingInfoHandlerMapping;
import org.springframework.web.server.ServerWebExchange; import org.springframework.web.server.ServerWebExchange;
@ -88,6 +87,7 @@ class CloudFoundryWebFluxEndpointHandlerMapping extends AbstractWebFluxEndpointH
class CloudFoundryLinksHandler implements LinksHandler { class CloudFoundryLinksHandler implements LinksHandler {
@Override @Override
@Reflective
public Publisher<ResponseEntity<Object>> links(ServerWebExchange exchange) { public Publisher<ResponseEntity<Object>> links(ServerWebExchange exchange) {
ServerHttpRequest request = exchange.getRequest(); ServerHttpRequest request = exchange.getRequest();
return CloudFoundryWebFluxEndpointHandlerMapping.this.securityInterceptor.preHandle(exchange, "") return CloudFoundryWebFluxEndpointHandlerMapping.this.securityInterceptor.preHandle(exchange, "")
@ -156,14 +156,13 @@ class CloudFoundryWebFluxEndpointHandlerMapping extends AbstractWebFluxEndpointH
static class CloudFoundryWebFluxEndpointHandlerMappingRuntimeHints implements RuntimeHintsRegistrar { static class CloudFoundryWebFluxEndpointHandlerMappingRuntimeHints implements RuntimeHintsRegistrar {
private final ReflectiveRuntimeHintsRegistrar reflectiveRegistrar = new ReflectiveRuntimeHintsRegistrar();
private final BindingReflectionHintsRegistrar bindingRegistrar = new BindingReflectionHintsRegistrar(); private final BindingReflectionHintsRegistrar bindingRegistrar = new BindingReflectionHintsRegistrar();
@Override @Override
public void registerHints(RuntimeHints hints, ClassLoader classLoader) { public void registerHints(RuntimeHints hints, ClassLoader classLoader) {
Method linksMethod = ReflectionUtils.findMethod(CloudFoundryLinksHandler.class, "links", this.reflectiveRegistrar.registerRuntimeHints(hints, CloudFoundryLinksHandler.class);
ServerWebExchange.class);
Assert.state(linksMethod != null, "Unable to find 'links' method");
hints.reflection().registerMethod(linksMethod);
this.bindingRegistrar.registerReflectionHints(hints.reflection(), Link.class); this.bindingRegistrar.registerReflectionHints(hints.reflection(), Link.class);
} }

13
spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/cloudfoundry/servlet/CloudFoundryWebEndpointServletHandlerMapping.java
View File

@ -16,7 +16,6 @@
package org.springframework.boot.actuate.autoconfigure.cloudfoundry.servlet; package org.springframework.boot.actuate.autoconfigure.cloudfoundry.servlet;
import java.lang.reflect.Method;
import java.util.Collection; import java.util.Collection;
import java.util.Collections; import java.util.Collections;
import java.util.LinkedHashMap; import java.util.LinkedHashMap;
@ -30,6 +29,8 @@ import org.apache.commons.logging.LogFactory;
import org.springframework.aot.hint.RuntimeHints; import org.springframework.aot.hint.RuntimeHints;
import org.springframework.aot.hint.RuntimeHintsRegistrar; import org.springframework.aot.hint.RuntimeHintsRegistrar;
import org.springframework.aot.hint.annotation.Reflective;
import org.springframework.aot.hint.annotation.ReflectiveRuntimeHintsRegistrar;
import org.springframework.boot.actuate.autoconfigure.cloudfoundry.AccessLevel; import org.springframework.boot.actuate.autoconfigure.cloudfoundry.AccessLevel;
import org.springframework.boot.actuate.autoconfigure.cloudfoundry.SecurityResponse; import org.springframework.boot.actuate.autoconfigure.cloudfoundry.SecurityResponse;
import org.springframework.boot.actuate.autoconfigure.cloudfoundry.servlet.CloudFoundryWebEndpointServletHandlerMapping.CloudFoundryWebEndpointServletHandlerMappingRuntimeHints; import org.springframework.boot.actuate.autoconfigure.cloudfoundry.servlet.CloudFoundryWebEndpointServletHandlerMapping.CloudFoundryWebEndpointServletHandlerMappingRuntimeHints;
@ -45,8 +46,6 @@ import org.springframework.context.annotation.ImportRuntimeHints;
import org.springframework.context.aot.BindingReflectionHintsRegistrar; import org.springframework.context.aot.BindingReflectionHintsRegistrar;
import org.springframework.http.HttpStatus; import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity; import org.springframework.http.ResponseEntity;
import org.springframework.util.Assert;
import org.springframework.util.ReflectionUtils;
import org.springframework.web.bind.annotation.ResponseBody; import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.cors.CorsConfiguration; import org.springframework.web.cors.CorsConfiguration;
import org.springframework.web.servlet.mvc.method.RequestMappingInfoHandlerMapping; import org.springframework.web.servlet.mvc.method.RequestMappingInfoHandlerMapping;
@ -92,6 +91,7 @@ class CloudFoundryWebEndpointServletHandlerMapping extends AbstractWebMvcEndpoin
@Override @Override
@ResponseBody @ResponseBody
@Reflective
public Map<String, Map<String, Link>> links(HttpServletRequest request, HttpServletResponse response) { public Map<String, Map<String, Link>> links(HttpServletRequest request, HttpServletResponse response) {
SecurityResponse securityResponse = CloudFoundryWebEndpointServletHandlerMapping.this.securityInterceptor SecurityResponse securityResponse = CloudFoundryWebEndpointServletHandlerMapping.this.securityInterceptor
.preHandle(request, null); .preHandle(request, null);
@ -158,14 +158,13 @@ class CloudFoundryWebEndpointServletHandlerMapping extends AbstractWebMvcEndpoin
static class CloudFoundryWebEndpointServletHandlerMappingRuntimeHints implements RuntimeHintsRegistrar { static class CloudFoundryWebEndpointServletHandlerMappingRuntimeHints implements RuntimeHintsRegistrar {
private final ReflectiveRuntimeHintsRegistrar reflectiveRegistrar = new ReflectiveRuntimeHintsRegistrar();
private final BindingReflectionHintsRegistrar bindingRegistrar = new BindingReflectionHintsRegistrar(); private final BindingReflectionHintsRegistrar bindingRegistrar = new BindingReflectionHintsRegistrar();
@Override @Override
public void registerHints(RuntimeHints hints, ClassLoader classLoader) { public void registerHints(RuntimeHints hints, ClassLoader classLoader) {
Method linksMethod = ReflectionUtils.findMethod(CloudFoundryLinksHandler.class, "links", this.reflectiveRegistrar.registerRuntimeHints(hints, CloudFoundryLinksHandler.class);
HttpServletRequest.class, HttpServletResponse.class);
Assert.state(linksMethod != null, "Unable to find 'links' method");
hints.reflection().registerMethod(linksMethod);
this.bindingRegistrar.registerReflectionHints(hints.reflection(), Link.class); this.bindingRegistrar.registerReflectionHints(hints.reflection(), Link.class);
} }

16
spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/endpoint/web/reactive/AbstractWebFluxEndpointHandlerMapping.java
View File

@ -32,6 +32,8 @@ import reactor.core.scheduler.Schedulers;
import org.springframework.aot.hint.RuntimeHints; import org.springframework.aot.hint.RuntimeHints;
import org.springframework.aot.hint.RuntimeHintsRegistrar; import org.springframework.aot.hint.RuntimeHintsRegistrar;
import org.springframework.aot.hint.annotation.Reflective;
import org.springframework.aot.hint.annotation.ReflectiveRuntimeHintsRegistrar;
import org.springframework.boot.actuate.endpoint.InvalidEndpointRequestException; import org.springframework.boot.actuate.endpoint.InvalidEndpointRequestException;
import org.springframework.boot.actuate.endpoint.InvocationContext; import org.springframework.boot.actuate.endpoint.InvocationContext;
import org.springframework.boot.actuate.endpoint.OperationArgumentResolver; import org.springframework.boot.actuate.endpoint.OperationArgumentResolver;
@ -59,7 +61,6 @@ import org.springframework.security.access.vote.RoleVoter;
import org.springframework.security.core.Authentication; import org.springframework.security.core.Authentication;
import org.springframework.security.core.context.ReactiveSecurityContextHolder; import org.springframework.security.core.context.ReactiveSecurityContextHolder;
import org.springframework.util.AntPathMatcher; import org.springframework.util.AntPathMatcher;
import org.springframework.util.Assert;
import org.springframework.util.ClassUtils; import org.springframework.util.ClassUtils;
import org.springframework.util.ReflectionUtils; import org.springframework.util.ReflectionUtils;
import org.springframework.util.StringUtils; import org.springframework.util.StringUtils;
@ -410,6 +411,7 @@ public abstract class AbstractWebFluxEndpointHandlerMapping extends RequestMappi
} }
@ResponseBody @ResponseBody
@Reflective
Publisher<ResponseEntity<Object>> handle(ServerWebExchange exchange, Publisher<ResponseEntity<Object>> handle(ServerWebExchange exchange,
@RequestBody(required = false) Map<String, String> body) { @RequestBody(required = false) Map<String, String> body) {
return this.operation.handle(exchange, body); return this.operation.handle(exchange, body);
@ -434,6 +436,7 @@ public abstract class AbstractWebFluxEndpointHandlerMapping extends RequestMappi
} }
@ResponseBody @ResponseBody
@Reflective
Publisher<ResponseEntity<Object>> handle(ServerWebExchange exchange) { Publisher<ResponseEntity<Object>> handle(ServerWebExchange exchange) {
return this.operation.handle(exchange, null); return this.operation.handle(exchange, null);
} }
@ -492,15 +495,12 @@ public abstract class AbstractWebFluxEndpointHandlerMapping extends RequestMappi
static class AbstractWebFluxEndpointHandlerMappingRuntimeHints implements RuntimeHintsRegistrar { static class AbstractWebFluxEndpointHandlerMappingRuntimeHints implements RuntimeHintsRegistrar {
private final ReflectiveRuntimeHintsRegistrar reflectiveRegistrar = new ReflectiveRuntimeHintsRegistrar();
@Override @Override
public void registerHints(RuntimeHints hints, ClassLoader classLoader) { public void registerHints(RuntimeHints hints, ClassLoader classLoader) {
Method writeOperationHandleMethod = ReflectionUtils.findMethod(WriteOperationHandler.class, "handle", this.reflectiveRegistrar.registerRuntimeHints(hints, WriteOperationHandler.class,
ServerWebExchange.class, Map.class); ReadOperationHandler.class);
Assert.state(writeOperationHandleMethod != null, () -> "Unable to find write operation 'handle' method");
Method readOperationHandleMethod = ReflectionUtils.findMethod(ReadOperationHandler.class, "handle",
ServerWebExchange.class);
Assert.state(readOperationHandleMethod != null, () -> "Unable to find read operation 'handle' method");
hints.reflection().registerMethod(writeOperationHandleMethod).registerMethod(readOperationHandleMethod);
} }
} }

13
spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/endpoint/web/reactive/WebFluxEndpointHandlerMapping.java
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@ -16,13 +16,14 @@
package org.springframework.boot.actuate.endpoint.web.reactive; package org.springframework.boot.actuate.endpoint.web.reactive;
import java.lang.reflect.Method;
import java.util.Collection; import java.util.Collection;
import java.util.Collections; import java.util.Collections;
import java.util.Map; import java.util.Map;
import org.springframework.aot.hint.RuntimeHints; import org.springframework.aot.hint.RuntimeHints;
import org.springframework.aot.hint.RuntimeHintsRegistrar; import org.springframework.aot.hint.RuntimeHintsRegistrar;
import org.springframework.aot.hint.annotation.Reflective;
import org.springframework.aot.hint.annotation.ReflectiveRuntimeHintsRegistrar;
import org.springframework.beans.factory.InitializingBean; import org.springframework.beans.factory.InitializingBean;
import org.springframework.boot.actuate.endpoint.web.EndpointLinksResolver; import org.springframework.boot.actuate.endpoint.web.EndpointLinksResolver;
import org.springframework.boot.actuate.endpoint.web.EndpointMapping; import org.springframework.boot.actuate.endpoint.web.EndpointMapping;
@ -32,8 +33,6 @@ import org.springframework.boot.actuate.endpoint.web.Link;
import org.springframework.boot.actuate.endpoint.web.reactive.WebFluxEndpointHandlerMapping.WebFluxEndpointHandlerMappingRuntimeHints; import org.springframework.boot.actuate.endpoint.web.reactive.WebFluxEndpointHandlerMapping.WebFluxEndpointHandlerMappingRuntimeHints;
import org.springframework.context.annotation.ImportRuntimeHints; import org.springframework.context.annotation.ImportRuntimeHints;
import org.springframework.context.aot.BindingReflectionHintsRegistrar; import org.springframework.context.aot.BindingReflectionHintsRegistrar;
import org.springframework.util.Assert;
import org.springframework.util.ReflectionUtils;
import org.springframework.web.bind.annotation.ResponseBody; import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.cors.CorsConfiguration; import org.springframework.web.cors.CorsConfiguration;
import org.springframework.web.reactive.HandlerMapping; import org.springframework.web.reactive.HandlerMapping;
@ -84,6 +83,7 @@ public class WebFluxEndpointHandlerMapping extends AbstractWebFluxEndpointHandle
@Override @Override
@ResponseBody @ResponseBody
@Reflective
public Map<String, Map<String, Link>> links(ServerWebExchange exchange) { public Map<String, Map<String, Link>> links(ServerWebExchange exchange) {
String requestUri = UriComponentsBuilder.fromUri(exchange.getRequest().getURI()).replaceQuery(null) String requestUri = UriComponentsBuilder.fromUri(exchange.getRequest().getURI()).replaceQuery(null)
.toUriString(); .toUriString();
@ -100,14 +100,13 @@ public class WebFluxEndpointHandlerMapping extends AbstractWebFluxEndpointHandle
static class WebFluxEndpointHandlerMappingRuntimeHints implements RuntimeHintsRegistrar { static class WebFluxEndpointHandlerMappingRuntimeHints implements RuntimeHintsRegistrar {
private final ReflectiveRuntimeHintsRegistrar reflectiveRegistrar = new ReflectiveRuntimeHintsRegistrar();
private final BindingReflectionHintsRegistrar bindingRegistrar = new BindingReflectionHintsRegistrar(); private final BindingReflectionHintsRegistrar bindingRegistrar = new BindingReflectionHintsRegistrar();
@Override @Override
public void registerHints(RuntimeHints hints, ClassLoader classLoader) { public void registerHints(RuntimeHints hints, ClassLoader classLoader) {
Method linksMethod = ReflectionUtils.findMethod(WebFluxLinksHandler.class, "links", this.reflectiveRegistrar.registerRuntimeHints(hints, WebFluxLinksHandler.class);
ServerWebExchange.class);
Assert.state(linksMethod != null, "Unable to find 'links' method");
hints.reflection().registerMethod(linksMethod);
this.bindingRegistrar.registerReflectionHints(hints.reflection(), Link.class); this.bindingRegistrar.registerReflectionHints(hints.reflection(), Link.class);
} }

10
spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/endpoint/web/servlet/AbstractWebMvcEndpointHandlerMapping.java
View File

@ -34,6 +34,8 @@ import reactor.core.publisher.Flux;
import org.springframework.aot.hint.RuntimeHints; import org.springframework.aot.hint.RuntimeHints;
import org.springframework.aot.hint.RuntimeHintsRegistrar; import org.springframework.aot.hint.RuntimeHintsRegistrar;
import org.springframework.aot.hint.annotation.Reflective;
import org.springframework.aot.hint.annotation.ReflectiveRuntimeHintsRegistrar;
import org.springframework.beans.factory.InitializingBean; import org.springframework.beans.factory.InitializingBean;
import org.springframework.boot.actuate.endpoint.InvalidEndpointRequestException; import org.springframework.boot.actuate.endpoint.InvalidEndpointRequestException;
import org.springframework.boot.actuate.endpoint.InvocationContext; import org.springframework.boot.actuate.endpoint.InvocationContext;
@ -417,6 +419,7 @@ public abstract class AbstractWebMvcEndpointHandlerMapping extends RequestMappin
} }
@ResponseBody @ResponseBody
@Reflective
Object handle(HttpServletRequest request, @RequestBody(required = false) Map<String, String> body) { Object handle(HttpServletRequest request, @RequestBody(required = false) Map<String, String> body) {
return this.operation.handle(request, body); return this.operation.handle(request, body);
} }
@ -483,12 +486,11 @@ public abstract class AbstractWebMvcEndpointHandlerMapping extends RequestMappin
static class AbstractWebMvcEndpointHandlerMappingRuntimeHints implements RuntimeHintsRegistrar { static class AbstractWebMvcEndpointHandlerMappingRuntimeHints implements RuntimeHintsRegistrar {
private final ReflectiveRuntimeHintsRegistrar reflectiveRegistrar = new ReflectiveRuntimeHintsRegistrar();
@Override @Override
public void registerHints(RuntimeHints hints, ClassLoader classLoader) { public void registerHints(RuntimeHints hints, ClassLoader classLoader) {
Method handlerMethod = ReflectionUtils.findMethod(OperationHandler.class, "handle", this.reflectiveRegistrar.registerRuntimeHints(hints, OperationHandler.class);
HttpServletRequest.class, Map.class);
Assert.state(handlerMethod != null, "Unable to find 'handler' method");
hints.reflection().registerMethod(handlerMethod);
} }
} }

13
spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/endpoint/web/servlet/WebMvcEndpointHandlerMapping.java
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@ -16,7 +16,6 @@
package org.springframework.boot.actuate.endpoint.web.servlet; package org.springframework.boot.actuate.endpoint.web.servlet;
import java.lang.reflect.Method;
import java.util.Collection; import java.util.Collection;
import java.util.Collections; import java.util.Collections;
import java.util.Map; import java.util.Map;
@ -26,6 +25,8 @@ import jakarta.servlet.http.HttpServletResponse;
import org.springframework.aot.hint.RuntimeHints; import org.springframework.aot.hint.RuntimeHints;
import org.springframework.aot.hint.RuntimeHintsRegistrar; import org.springframework.aot.hint.RuntimeHintsRegistrar;
import org.springframework.aot.hint.annotation.Reflective;
import org.springframework.aot.hint.annotation.ReflectiveRuntimeHintsRegistrar;
import org.springframework.boot.actuate.endpoint.web.EndpointLinksResolver; import org.springframework.boot.actuate.endpoint.web.EndpointLinksResolver;
import org.springframework.boot.actuate.endpoint.web.EndpointMapping; import org.springframework.boot.actuate.endpoint.web.EndpointMapping;
import org.springframework.boot.actuate.endpoint.web.EndpointMediaTypes; import org.springframework.boot.actuate.endpoint.web.EndpointMediaTypes;
@ -34,8 +35,6 @@ import org.springframework.boot.actuate.endpoint.web.Link;
import org.springframework.boot.actuate.endpoint.web.servlet.WebMvcEndpointHandlerMapping.WebMvcEndpointHandlerMappingRuntimeHints; import org.springframework.boot.actuate.endpoint.web.servlet.WebMvcEndpointHandlerMapping.WebMvcEndpointHandlerMappingRuntimeHints;
import org.springframework.context.annotation.ImportRuntimeHints; import org.springframework.context.annotation.ImportRuntimeHints;
import org.springframework.context.aot.BindingReflectionHintsRegistrar; import org.springframework.context.aot.BindingReflectionHintsRegistrar;
import org.springframework.util.Assert;
import org.springframework.util.ReflectionUtils;
import org.springframework.web.bind.annotation.ResponseBody; import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.cors.CorsConfiguration; import org.springframework.web.cors.CorsConfiguration;
import org.springframework.web.servlet.HandlerMapping; import org.springframework.web.servlet.HandlerMapping;
@ -83,6 +82,7 @@ public class WebMvcEndpointHandlerMapping extends AbstractWebMvcEndpointHandlerM
@Override @Override
@ResponseBody @ResponseBody
@Reflective
public Map<String, Map<String, Link>> links(HttpServletRequest request, HttpServletResponse response) { public Map<String, Map<String, Link>> links(HttpServletRequest request, HttpServletResponse response) {
return Collections.singletonMap("_links", return Collections.singletonMap("_links",
WebMvcEndpointHandlerMapping.this.linksResolver.resolveLinks(request.getRequestURL().toString())); WebMvcEndpointHandlerMapping.this.linksResolver.resolveLinks(request.getRequestURL().toString()));
@ -97,14 +97,13 @@ public class WebMvcEndpointHandlerMapping extends AbstractWebMvcEndpointHandlerM
static class WebMvcEndpointHandlerMappingRuntimeHints implements RuntimeHintsRegistrar { static class WebMvcEndpointHandlerMappingRuntimeHints implements RuntimeHintsRegistrar {
private final ReflectiveRuntimeHintsRegistrar reflectiveRegistrar = new ReflectiveRuntimeHintsRegistrar();
private final BindingReflectionHintsRegistrar bindingRegistrar = new BindingReflectionHintsRegistrar(); private final BindingReflectionHintsRegistrar bindingRegistrar = new BindingReflectionHintsRegistrar();
@Override @Override
public void registerHints(RuntimeHints hints, ClassLoader classLoader) { public void registerHints(RuntimeHints hints, ClassLoader classLoader) {
Method linksMethod = ReflectionUtils.findMethod(WebMvcLinksHandler.class, "links", HttpServletRequest.class, this.reflectiveRegistrar.registerRuntimeHints(hints, WebMvcLinksHandler.class);
HttpServletResponse.class);
Assert.state(linksMethod != null, "Unable to find 'links' method");
hints.reflection().registerMethod(linksMethod);
this.bindingRegistrar.registerReflectionHints(hints.reflection(), Link.class); this.bindingRegistrar.registerReflectionHints(hints.reflection(), Link.class);
} }