Add decorators for ClientHttpRequest & Response

Author: rstoyanchev

spring-web/src/main/java/org/springframework/http/client/reactive/ClientHttpRequestDecorator.java

@@ -0,0 +1,113 @@
+/*
+ * Copyright 2002-2017 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
+ *
+ *      http://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.http.client.reactive;
+
+import java.net.URI;
+import java.util.function.Supplier;
+
+import org.reactivestreams.Publisher;
+import reactor.core.publisher.Mono;
+
+import org.springframework.core.io.buffer.DataBuffer;
+import org.springframework.core.io.buffer.DataBufferFactory;
+import org.springframework.http.HttpCookie;
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.HttpMethod;
+import org.springframework.util.Assert;
+import org.springframework.util.MultiValueMap;
+
+/**
+ * Wraps another {@link ClientHttpRequest} and delegates all methods to it.
+ * Sub-classes can override specific methods selectively.
+ *
+ * @author Rossen Stoyanchev
+ * @since 5.0
+ */
+public class ClientHttpRequestDecorator implements ClientHttpRequest {
+	
+	private final ClientHttpRequest delegate;
+
+
+	public ClientHttpRequestDecorator(ClientHttpRequest delegate) {
+		Assert.notNull(delegate, "ClientHttpRequest delegate is required.");
+		this.delegate = delegate;
+	}
+
+
+	public ClientHttpRequest getDelegate() {
+		return this.delegate;
+	}
+
+
+	// ClientHttpRequest delegation methods...
+
+	@Override
+	public HttpMethod getMethod() {
+		return this.delegate.getMethod();
+	}
+
+	@Override
+	public URI getURI() {
+		return this.delegate.getURI();
+	}
+
+	@Override
+	public HttpHeaders getHeaders() {
+		return this.delegate.getHeaders();
+	}
+
+	@Override
+	public MultiValueMap<String, HttpCookie> getCookies() {
+		return this.delegate.getCookies();
+	}
+
+	@Override
+	public DataBufferFactory bufferFactory() {
+		return this.delegate.bufferFactory();
+	}
+
+	@Override
+	public void beforeCommit(Supplier<? extends Mono<Void>> action) {
+		this.delegate.beforeCommit(action);
+	}
+
+	@Override
+	public boolean isCommitted() {
+		return this.delegate.isCommitted();
+	}
+
+	@Override
+	public Mono<Void> writeWith(Publisher<? extends DataBuffer> body) {
+		return this.delegate.writeWith(body);
+	}
+
+	@Override
+	public Mono<Void> writeAndFlushWith(Publisher<? extends Publisher<? extends DataBuffer>> body) {
+		return this.delegate.writeAndFlushWith(body);
+	}
+
+	@Override
+	public Mono<Void> setComplete() {
+		return this.delegate.setComplete();
+	}
+
+
+	@Override
+	public String toString() {
+		return getClass().getSimpleName() + " [delegate=" + getDelegate() + "]";
+	}
+
+}

spring-web/src/main/java/org/springframework/http/client/reactive/ClientHttpResponseDecorator.java

@@ -0,0 +1,79 @@
+/*
+ * Copyright 2002-2017 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
+ *
+ *      http://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.http.client.reactive;
+
+import reactor.core.publisher.Flux;
+
+import org.springframework.core.io.buffer.DataBuffer;
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseCookie;
+import org.springframework.util.Assert;
+import org.springframework.util.MultiValueMap;
+
+/**
+ * Wraps another {@link ClientHttpResponse} and delegates all methods to it.
+ * Sub-classes can override specific methods selectively.
+ *
+ * @author Rossen Stoyanchev
+ * @since 5.0
+ */
+public class ClientHttpResponseDecorator implements ClientHttpResponse {
+	
+	private final ClientHttpResponse delegate;
+
+
+	public ClientHttpResponseDecorator(ClientHttpResponse delegate) {
+		Assert.notNull(delegate, "ClientHttpResponse delegate is required.");
+		this.delegate = delegate;
+	}
+
+
+	public ClientHttpResponse getDelegate() {
+		return this.delegate;
+	}
+
+
+	// ServerHttpResponse delegation methods...
+
+
+	@Override
+	public HttpStatus getStatusCode() {
+		return this.delegate.getStatusCode();
+	}
+
+	@Override
+	public HttpHeaders getHeaders() {
+		return this.delegate.getHeaders();
+	}
+
+	@Override
+	public MultiValueMap<String, ResponseCookie> getCookies() {
+		return this.delegate.getCookies();
+	}
+
+	@Override
+	public Flux<DataBuffer> getBody() {
+		return this.delegate.getBody();
+	}
+
+
+	@Override
+	public String toString() {
+		return getClass().getSimpleName() + " [delegate=" + getDelegate() + "]";
+	}
+
+}

spring-web/src/main/java/org/springframework/http/server/reactive/ServerHttpResponseDecorator.java

@@ -114,4 +114,10 @@ public Mono<Void> setComplete() {
 		return getDelegate().setComplete();
 	}
 
+
+	@Override
+	public String toString() {
+		return getClass().getSimpleName() + " [delegate=" + getDelegate() + "]";
+	}
+
 }