Bump reactive dependencies. (#1105)

Make reactive contract work with the latest project reactor class hierarchy.

Author: SimY4

reactive/pom.xml

@@ -28,9 +28,9 @@
 
   <properties>
     <main.basedir>${project.basedir}/..</main.basedir>
-    <reactor.version>3.1.8.RELEASE</reactor.version>
-    <reactive.streams.version>1.0.2</reactive.streams.version>
-    <reactivex.version>2.2.2</reactivex.version>
+    <reactor.version>3.3.0.RELEASE</reactor.version>
+    <reactive.streams.version>1.0.3</reactive.streams.version>
+    <reactivex.version>2.2.14</reactivex.version>
     <mockito.version>1.9.5</mockito.version>
   </properties>
 

reactive/src/main/java/feign/reactive/ReactiveDelegatingContract.java

@@ -18,7 +18,6 @@
 import feign.Types;
 import java.lang.reflect.ParameterizedType;
 import java.lang.reflect.Type;
-import java.util.Arrays;
 import java.util.List;
 import java.util.stream.Stream;
 import org.reactivestreams.Publisher;
@@ -74,8 +73,7 @@ private boolean isReactive(Type type) {
       return false;
     }
     ParameterizedType parameterizedType = (ParameterizedType) type;
-    Type raw = parameterizedType.getRawType();
-    return Arrays.asList(((Class) raw).getInterfaces())
-        .contains(Publisher.class);
+    Class<?> raw = (Class<?>) parameterizedType.getRawType();
+    return Publisher.class.isAssignableFrom(raw);
   }
 }