Add module descriptor while maintaining Eclipse IDE experience

* Fixes ben-manes#535
* Uses Gradle Eclipse plugin to exclude module-info from
  compilation in Eclipse. Prevents hordes of issues.

caffeine/build.gradle

@@ -23,8 +23,18 @@ idea.module {
   scopes.PROVIDED.plus += [ configurations.javaPoetCompileClasspath ]
 }
 
-eclipse.classpath.file.whenMerged {
-  entries.findAll { it instanceof SourceFolder && it.output == 'bin/codeGen' }*.output = 'bin/main'
+eclipse.classpath {
+  containers 'org.eclipse.buildship.core.gradleclasspathcontainer'
+  file {
+    whenMerged {
+      entries.findAll {
+        it instanceof SourceFolder && it.output == 'bin/codeGen'
+      }*.output = 'bin/main'
+      // Exclude module-info when compiling through Eclipse
+      def main = entries.find { it instanceof SourceFolder && it.path == 'src/main/java' }
+      main.excludes.add('module-info.java')
+    }
+  }
 }
 
 plugins.withType(EclipsePlugin) {

caffeine/src/main/java/module-info.java

@@ -0,0 +1,7 @@
+module com.github.benmanes.caffeine {
+  exports com.github.benmanes.caffeine.cache;
+  exports com.github.benmanes.caffeine.cache.stats;
+
+  requires static transitive com.google.errorprone.annotations;
+  requires static transitive org.checkerframework.checker.qual;
+}

gradle/codeQuality.gradle

@@ -148,7 +148,6 @@ tasks.withType(JavaCompile).configureEach {
       annotatedPackages.add('com.github.benmanes.caffeine')
     }
   }
-  modularity.inferModulePath.set(false)
   checkerFramework.skipCheckerFramework = true
 }
 

gradle/dependencies.gradle

@@ -41,7 +41,7 @@ ext {
     elasticSearch: '7.12.0',
     expiringMap: '0.5.9',
     fastfilter: '1.0',
-    fastutil: '8.5.4',
+    fastutil: '8.5.2',
     flipTables: '1.1.0',
     googleJavaFormat: '1.10.0',
     guava: '30.1.1-jre',
@@ -165,10 +165,14 @@ ext {
     jcacheTck: "javax.cache:cache-tests:${testVersions.jcacheTck}",
     jcacheTckTests: "javax.cache:cache-tests:${testVersions.jcacheTck}:tests",
     jctools: "org.jctools:jctools-core:${testVersions.jctools}",
-    junit: "junit:junit:${testVersions.junit}",
+    junit: dependencies.create("junit:junit:${testVersions.junit}") {
+      exclude group: 'org.hamcrest'
+    },
     mockito: "org.mockito:mockito-core:${testVersions.mockito}",
     osgiCompile: [
-      "org.ops4j.pax.exam:pax-exam-junit4:${testVersions.paxExam}",
+      dependencies.create("org.ops4j.pax.exam:pax-exam-junit4:${testVersions.paxExam}") {
+        exclude group: 'org.hamcrest'
+      },
     ],
     osgiRuntime: [
       "org.apache.felix:org.apache.felix.framework:${testVersions.felix}",

guava/build.gradle

@@ -14,6 +14,10 @@ dependencies {
   testImplementation testLibraries.guavaTestLib
 }
 
+compileJava {
+  modularity.inferModulePath = false
+}
+
 jar.manifest {
   attributes 'Bundle-SymbolicName': 'com.github.ben-manes.caffeine.guava'
   attributes 'Import-Package': [

jcache/build.gradle

@@ -30,6 +30,10 @@ dependencies {
   doc "${libraries.jcache}:javadoc"
 }
 
+compileJava {
+  modularity.inferModulePath = false
+}
+
 jar.manifest {
   attributes 'Bundle-SymbolicName': 'com.github.ben-manes.caffeine.jcache'
   attributes 'Import-Package': [

simulator/build.gradle

@@ -35,6 +35,10 @@ dependencies {
   testImplementation testLibraries.testng
 }
 
+compileJava {
+  modularity.inferModulePath = false
+}
+
 test {
   useTestNG()
 }