Generate javadocs in {build}/docs/javadoc.

modules/kobalt-plugin-api/src/main/kotlin/com/beust/kobalt/internal/CompilerUtils.kt

@@ -22,7 +22,7 @@ class CompilerUtils @Inject constructor(val files: KFiles,
     class CompilerResult(val successResults: List<TaskResult>, val failedResult: TaskResult?)
 
     fun invokeCompiler(project: Project, context: KobaltContext, compiler: ICompilerDescription,
-            sourceDirectories: List<File>, isTest: Boolean): CompilerResult {
+            sourceDirectories: List<File>, isTest: Boolean, buildDirectory: File): CompilerResult {
         val results = arrayListOf<TaskResult>()
         var failedResult: TaskResult? = null
         val contributedSourceDirs =
@@ -37,7 +37,7 @@ class CompilerUtils @Inject constructor(val files: KFiles,
             // TODO: createCompilerActionInfo recalculates the source files, only compute them
             // once and pass them
             val info = createCompilerActionInfo(project, context, compiler, isTest,
-                    sourceDirectories, sourceSuffixes = compiler.sourceSuffixes)
+                    sourceDirectories, sourceSuffixes = compiler.sourceSuffixes, buildDirectory = buildDirectory)
             val thisResult = invokeCompiler(project, context, compiler, info)
             results.addAll(thisResult.successResults)
             if (failedResult == null) {
@@ -68,7 +68,8 @@ class CompilerUtils @Inject constructor(val files: KFiles,
      * Runs all the contributors and interceptors relevant to that task.
      */
     fun createCompilerActionInfo(project: Project, context: KobaltContext, compiler: ICompilerDescription,
-            isTest: Boolean, sourceDirectories: List<File>, sourceSuffixes: List<String>): CompilerActionInfo {
+            isTest: Boolean, sourceDirectories: List<File>, sourceSuffixes: List<String>, buildDirectory: File)
+            : CompilerActionInfo {
         copyResources(project, context, SourceSet.of(isTest))
 
         val fullClasspath = dependencyManager2.resolve(project, context, isTest, listOf(Scope.COMPILE, Scope.TEST))
@@ -83,11 +84,6 @@ class CompilerUtils @Inject constructor(val files: KFiles,
 //            val d2 = dependencyManager2.resolve(project, context, isTest, listOf(Scope.COMPILE, Scope.TEST))
 //        }
 
-        // The directory where the classes get compiled
-        val buildDirectory =
-            if (isTest) File(project.buildDirectory, KFiles.TEST_CLASSES_DIR)
-            else File(project.classesDir(context))
-
         File(project.directory, buildDirectory.path).mkdirs()
 
         // Remove all the excluded dependencies from the classpath

modules/kobalt-plugin-api/src/main/kotlin/com/beust/kobalt/internal/JvmCompilerPlugin.kt

@@ -177,9 +177,14 @@ open class JvmCompilerPlugin @Inject constructor(
             val hasKapt = project.projectProperties.get("kaptConfig") != null
             val allCompilersSorted = if (hasKapt) swapJavaAndKotlin(allCompilers) else allCompilers
             var done = false
+            // The directory where the classes get compiled
+            val buildDirectory =
+                    if (isTest) File(project.buildDirectory, KFiles.TEST_CLASSES_DIR)
+                    else File(project.classesDir(context))
+
             allCompilersSorted.doWhile({ ! done }) { compiler ->
                 val compilerResults = compilerUtils.invokeCompiler(project, context, compiler,
-                        sourceDirectories(project, context, isTest), isTest)
+                        sourceDirectories(project, context, isTest), isTest, buildDirectory)
                 results.addAll(compilerResults.successResults)
                 if (failedResult == null) failedResult = compilerResults.failedResult
                 compilerResults.failedResult?.let { failedResult ->
@@ -216,6 +221,7 @@ open class JvmCompilerPlugin @Inject constructor(
     fun taskJavadoc(project: Project): TaskResult {
         val docGenerator = ActorUtils.selectAffinityActor(project, context, context.pluginInfo.docContributors)
         if (docGenerator != null) {
+            val buildDirectory = File(project.buildDirectory, KFiles.JAVADOC_DIR)
             val contributors =
                     ActorUtils.selectAffinityActors(project, context, context.pluginInfo.compilerContributors)
             var result: TaskResult? = null
@@ -224,7 +230,7 @@ open class JvmCompilerPlugin @Inject constructor(
                     result = docGenerator.generateDoc(project, context,
                             compilerUtils.createCompilerActionInfo(project, context, compiler,
                                     isTest = false, sourceDirectories = sourceDirectories(project, context, false),
-                            sourceSuffixes = compiler.sourceSuffixes))
+                            sourceSuffixes = compiler.sourceSuffixes, buildDirectory = buildDirectory))
                 }
             }
             return result!!

modules/kobalt-plugin-api/src/main/kotlin/com/beust/kobalt/misc/KFiles.kt

@@ -71,6 +71,7 @@ class KFiles {
         private val SRC = "src"
 
         val TEST_CLASSES_DIR : String = "test-classes"
+        val JAVADOC_DIR: String = "docs/javadoc"
 
         val NATIVES_DIR : String = "native"
 

src/main/kotlin/com/beust/kobalt/plugin/kotlin/KotlinCompiler.kt

@@ -44,7 +44,8 @@ class KotlinCompiler @Inject constructor(
             }
             val cp = compilerFirst(info.dependencies.map { it.jarFile.get() })
             val infoDir = info.directory
-            val outputDir = if (infoDir != null) {
+            val outputDir =
+                if (infoDir != null) {
                     KFiles.joinDir(infoDir, info.outputDir.path)
                 } else {
                     info.outputDir.path