Moving the FlowAdapters into the core jar as a solution to #424

api/build.gradle

@@ -1,5 +1,17 @@
 description = "reactive-streams"
 
+try {
+    Class.forName("java.util.concurrent.Flow")
+} catch (ClassNotFoundException cnfe) {
+  sourceSets {
+      main {
+          java {
+              exclude '**/FlowAdapters.java'
+          }
+      }
+  }
+}
+
 jar {
     manifest {
         attributes('Automatic-Module-Name': 'org.reactivestreams')

build.gradle

@@ -49,8 +49,7 @@ subprojects {
     if (name in ["reactive-streams",
                  "reactive-streams-tck",
                  "reactive-streams-tck-flow",
-                 "reactive-streams-examples",
-                 "reactive-streams-flow-adapters"]) {
+                 "reactive-streams-examples"]) {
         apply plugin: "maven"
         apply plugin: "signing"
 

settings.gradle

@@ -11,12 +11,12 @@ try {
     Class.forName("java.util.concurrent.Flow")
     jdkFlow = true
     println(ANSI_GREEN + "   INFO: ------------------ JDK9 classes detected ---------------------------------" + ANSI_RESET)
-    println(ANSI_GREEN + "   INFO: Java 9 Flow API found; Including [flow-adapters, tck-flow] in build.      " + ANSI_RESET)
+    println(ANSI_GREEN + "   INFO: Java 9 Flow API found; Including [tck-flow] & FlowAdapters in build.      " + ANSI_RESET)
     println(ANSI_GREEN + "   INFO: --------------------------------------------------------------------------" + ANSI_RESET)
 } catch (Throwable ex) {
     // Flow API not available
     println(ANSI_RED + "WARNING: -------------------- JDK9 classes NOT detected -----------------------------" + ANSI_RESET)
-    println(ANSI_RED + "WARNING: Java 9 Flow API not found; Not including [flow-adapters, tck-flow] in build." + ANSI_RESET)
+    println(ANSI_RED + "WARNING: Java 9 Flow API not found; Not including [tck-flow] & FlowAdapters in build." + ANSI_RESET)
     println(ANSI_RED + "WARNING: In order to execute the complete test-suite run the build using JDK9+.      " + ANSI_RESET)
     println(ANSI_RED + "WARNING: ----------------------------------------------------------------------------" + ANSI_RESET)
 }
@@ -26,14 +26,12 @@ include ':reactive-streams-tck'
 include ':reactive-streams-examples'
 
 if (jdkFlow) {
-    include ':reactive-streams-flow-adapters'
     include ':reactive-streams-tck-flow'
 }
 
 project(':reactive-streams').projectDir = "$rootDir/api" as File
 project(':reactive-streams-tck').projectDir = "$rootDir/tck" as File
 project(':reactive-streams-examples').projectDir = "$rootDir/examples" as File
 if (jdkFlow) {
-    project(':reactive-streams-flow-adapters').projectDir = "$rootDir/flow-adapters" as File
     project(':reactive-streams-tck-flow').projectDir = "$rootDir/tck-flow" as File
 }

tck-flow/build.gradle

@@ -2,7 +2,6 @@ description = 'reactive-streams-tck-flow'
 dependencies {
     compile group: 'org.testng', name: 'testng', version:'5.14.10'
     compile project(':reactive-streams-tck')
-    compile project(':reactive-streams-flow-adapters')
 }
 
 jar {