Marks reading/modifying request/response body as BETA.

spring-cloud-gateway-core/src/main/java/org/springframework/cloud/gateway/filter/factory/AbstractGatewayFilterFactory.java

@@ -19,6 +19,10 @@ package org.springframework.cloud.gateway.filter.factory;
 
 import org.springframework.cloud.gateway.support.AbstractConfigurable;
 
+/**
+ * This class is BETA and may be subject to change in a future release.
+ * @param <C>
+ */
 public abstract class AbstractGatewayFilterFactory<C>
 		extends AbstractConfigurable<C> implements GatewayFilterFactory<C> {
 

spring-cloud-gateway-core/src/main/java/org/springframework/cloud/gateway/filter/factory/rewrite/HttpMessageWriterResponse.java

@@ -31,6 +31,7 @@ import reactor.core.publisher.Mono;
 import java.util.function.Supplier;
 
 /**
+ * This class is BETA and may be subject to change in a future release.
  * Response who's job it is to gather the Publisher<DataBuffer> from the writeWith message
  * during a call to HttpMessageWriter.write. Also gathers any headers set there.
  */

spring-cloud-gateway-core/src/main/java/org/springframework/cloud/gateway/filter/factory/rewrite/ModifyRequestBodyGatewayFilterFactory.java

@@ -37,6 +37,9 @@ import org.springframework.http.server.reactive.ServerHttpRequestDecorator;
 
 import static org.springframework.cloud.gateway.filter.factory.rewrite.RewriteUtils.process;
 
+/**
+ * This filter is BETA and may be subject to change in a future release.
+ */
 public class ModifyRequestBodyGatewayFilterFactory
 		extends AbstractGatewayFilterFactory<ModifyRequestBodyGatewayFilterFactory.Config> {
 

spring-cloud-gateway-core/src/main/java/org/springframework/cloud/gateway/filter/factory/rewrite/ModifyResponseBodyGatewayFilterFactory.java

@@ -43,6 +43,9 @@ import org.springframework.web.server.ServerWebExchange;
 import static org.springframework.cloud.gateway.filter.factory.rewrite.RewriteUtils.getHttpMessageReader;
 import static org.springframework.cloud.gateway.filter.factory.rewrite.RewriteUtils.getHttpMessageWriter;
 
+/**
+ * This filter is BETA and may be subject to change in a future release.
+ */
 public class ModifyResponseBodyGatewayFilterFactory
 		extends AbstractGatewayFilterFactory<ModifyResponseBodyGatewayFilterFactory.Config> {
 

spring-cloud-gateway-core/src/main/java/org/springframework/cloud/gateway/filter/factory/rewrite/RewriteFunction.java

@@ -21,5 +21,10 @@ import org.springframework.web.server.ServerWebExchange;
 
 import java.util.function.BiFunction;
 
+/**
+ * This interface is BETA and may be subject to change in a future release.
+ * @param <T>
+ * @param <R>
+ */
 public interface RewriteFunction<T, R> extends BiFunction<ServerWebExchange, T, R> {
 }

spring-cloud-gateway-core/src/main/java/org/springframework/cloud/gateway/filter/factory/rewrite/RewriteUtils.java

@@ -30,6 +30,9 @@ import org.springframework.http.codec.CodecConfigurer;
 import org.springframework.http.codec.HttpMessageReader;
 import org.springframework.http.codec.HttpMessageWriter;
 
+/**
+ * This class is BETA and may be subject to change in a future release.
+ */
 public abstract class RewriteUtils {
 
 	public static <T, R> R process(Mono<T> mono, Function<T, R> consumer) {

spring-cloud-gateway-core/src/main/java/org/springframework/cloud/gateway/handler/predicate/ReadBodyPredicateFactory.java

@@ -37,6 +37,9 @@ import static org.springframework.cloud.gateway.filter.factory.rewrite.RewriteUt
 import static org.springframework.cloud.gateway.filter.factory.rewrite.RewriteUtils.getHttpMessageWriter;
 import static org.springframework.cloud.gateway.filter.factory.rewrite.RewriteUtils.process;
 
+/**
+ * This predicate is BETA and may be subject to change in a future release.
+ */
 public class ReadBodyPredicateFactory extends AbstractRoutePredicateFactory<ReadBodyPredicateFactory.Config> {
 
 	private final ServerCodecConfigurer codecConfigurer;

spring-cloud-gateway-core/src/main/java/org/springframework/cloud/gateway/route/builder/GatewayFilterSpec.java

@@ -127,11 +127,29 @@ public class GatewayFilterSpec extends UriSpec {
 		return filter(factory.apply(this.routeBuilder.getId(), configConsumer));
 	}
 
+	/**
+	 * This filter is BETA and may be subject to change in a future release.
+	 * @param inClass
+	 * @param outClass
+	 * @param rewriteFunction
+	 * @param <T>
+	 * @param <R>
+	 * @return
+	 */
 	public <T, R> GatewayFilterSpec modifyRequestBody(Class<T> inClass, Class<R> outClass, RewriteFunction<T, R> rewriteFunction) {
 		return filter(getBean(ModifyRequestBodyGatewayFilterFactory.class)
 				.apply(c -> c.setRewriteFunction(inClass, outClass, rewriteFunction)));
 	}
 
+	/**
+	 * This filter is BETA and may be subject to change in a future release.
+	 * @param inClass
+	 * @param outClass
+	 * @param rewriteFunction
+	 * @param <T>
+	 * @param <R>
+	 * @return
+	 */
 	public <T, R> GatewayFilterSpec modifyResponseBody(Class<T> inClass, Class<R> outClass, RewriteFunction<T, R> rewriteFunction) {
 		return filter(getBean(ModifyResponseBodyGatewayFilterFactory.class)
 				.apply(c -> c.setRewriteFunction(inClass, outClass, rewriteFunction)));

spring-cloud-gateway-core/src/main/java/org/springframework/cloud/gateway/route/builder/PredicateSpec.java

@@ -170,6 +170,7 @@ public class PredicateSpec extends UriSpec {
 	}
 
 	/**
+	 * This predicate is BETA and may be subject to change in a future release.
 	 * A predicate that checks the contents of the request body
 	 * @param inClass the class to parse the body to
 	 * @param predicate a predicate to check the contents of the body