make api independent from plugin

Author: hauner

build.gradle

@@ -6,17 +6,28 @@ plugins {
 }
 
 group 'com.github.hauner.openapi'
-version '0.1.0'
+version '1.0.0.B1'
 
 targetCompatibility = JavaVersion.VERSION_1_8
 
 repositories {
     mavenCentral()
+    maven {
+        url  "https://dl.bintray.com/hauner/openapi-generatr"
+    }
+}
+
+configurations {
+    api
+    implementation.extendsFrom api
 }
 
 dependencies {
     implementation localGroovy()
 
+    // needed at runtime, see copyApi
+    api 'com.github.hauner.openapi:openapi-generatr-api:1.0.0.B1'
+
     testImplementation ('org.spockframework:spock-core:1.3-groovy-2.5') {
         // avoid conflict with localGroovy()
         exclude group: 'org.codehaus.groovy'
@@ -31,6 +42,29 @@ testSets {
 
 check.dependsOn testInt
 
+// copy classes of api dependencies to build/classes so they are included in the plugin jar
+task copyApi (type: Copy) {
+    from {
+        configurations.api.collect { zipTree (it) }
+    }
+    into ("$buildDir/classes/groovy/main")
+    include ('**/*.class')
+}
+
+compileJava {
+    compileJava.dependsOn ('copyApi')
+}
+
+//jar {
+//    dependsOn (configurations.api)
+//
+//    with copySpec {
+//      from {
+//          configurations.api.collect { zipTree(it) }
+//      }
+//    }
+//}
+
 gradlePlugin {
     plugins {
         generatrPlugin {