Creates Cookie Predicate

src/main/java/org/springframework/cloud/gateway/config/GatewayAutoConfiguration.java

@@ -8,6 +8,7 @@ import org.springframework.cloud.gateway.actuate.GatewayEndpoint;
 import org.springframework.cloud.gateway.filter.GatewayFilter;
 import org.springframework.cloud.gateway.filter.RouteToRequestUrlFilter;
 import org.springframework.cloud.gateway.handler.GatewayFilteringWebHandler;
+import org.springframework.cloud.gateway.handler.predicate.CookiePredicateFactory;
 import org.springframework.cloud.gateway.handler.predicate.HeaderPredicateFactory;
 import org.springframework.cloud.gateway.handler.predicate.HostPredicateFactory;
 import org.springframework.cloud.gateway.handler.predicate.GatewayPredicateFactory;
@@ -64,23 +65,23 @@ public class GatewayAutoConfiguration {
 	}
 
 	@Bean
-	public HostPredicateFactory hostPredicateFactory() {
-		return new HostPredicateFactory();
+	public CookiePredicateFactory cookiePredicateFactory() {
+		return new CookiePredicateFactory();
 	}
 
 	@Bean
-	public UrlPredicateFactory urlPredicateFactory() {
-		return new UrlPredicateFactory();
+	public HeaderPredicateFactory headerPredicateFactory() {
+		return new HeaderPredicateFactory();
 	}
 
 	@Bean
-	public MethodPredicateFactory methodPredicateFactory() {
-		return new MethodPredicateFactory();
+	public HostPredicateFactory hostPredicateFactory() {
+		return new HostPredicateFactory();
 	}
 
 	@Bean
-	public HeaderPredicateFactory headerPredicateFactory() {
-		return new HeaderPredicateFactory();
+	public MethodPredicateFactory methodPredicateFactory() {
+		return new MethodPredicateFactory();
 	}
 
 	@Bean
@@ -88,6 +89,11 @@ public class GatewayAutoConfiguration {
 		return new QueryPredicateFactory();
 	}
 
+	@Bean
+	public UrlPredicateFactory urlPredicateFactory() {
+		return new UrlPredicateFactory();
+	}
+
 	@Configuration
 	@ConditionalOnClass(Endpoint.class)
 	protected static class GatewayActuatorConfiguration {

src/main/java/org/springframework/cloud/gateway/handler/predicate/CookiePredicateFactory.java

@@ -0,0 +1,37 @@
+package org.springframework.cloud.gateway.handler.predicate;
+
+import java.util.List;
+import java.util.function.Predicate;
+
+import org.springframework.http.HttpCookie;
+import org.springframework.util.Assert;
+import org.springframework.web.server.ServerWebExchange;
+
+/**
+ * @author Spencer Gibb
+ */
+public class CookiePredicateFactory implements GatewayPredicateFactory {
+
+	@Override
+	public String getName() {
+		return "Cookie";
+	}
+
+	@Override
+	public Predicate<ServerWebExchange> create(String name, String[] args) {
+		//TODO: caching can happen here
+		return exchange -> {
+			Assert.isTrue(args != null && args.length == 1,
+					"args must have one entry");
+
+			String regexp = args[0];
+			List<HttpCookie> cookies = exchange.getRequest().getCookies().get(name);
+			for (HttpCookie cookie : cookies) {
+				if (cookie.getValue().matches(regexp)) {
+					return true;
+				}
+			}
+			return false;
+		};
+	}
+}

src/test/java/org/springframework/cloud/gateway/test/GatewayIntegrationTests.java

@@ -89,6 +89,7 @@ public class GatewayIntegrationTests {
 				GET("http://localhost:" + port + "/headers?foo=bar&baz")
 						.header("Host", "www.foo.org")
 						.header("X-Request-Id", "123")
+						.cookie("chocolate", "chip")
 						.build()
 		);
 

src/test/resources/application.yml

@@ -19,6 +19,7 @@ spring:
         - Header=X-Request-Id, \d+
         - Query=foo, ba.
         - Query=baz
+        - Cookie=chocolate, ch.p
 
       # =====================================
       - id: default_path_to_httpbin