Getting to dex.

src/main/kotlin/com/beust/kobalt/Variant.kt

@@ -25,23 +25,48 @@ class Variant(val initialProductFlavor: ProductFlavorConfig? = null,
 
     fun toTask(taskName: String) = taskName + productFlavor.name.capitalize() + buildType.name.capitalize()
 
-    fun sourceDirectories(project: Project) : List<File> {
+    /**
+     * for {internal, release}, return [internal, release, internalRelease]
+     */
+    fun allDirectories(project: Project): List<String> {
+        val result = arrayListOf<String>()
+        if (productFlavor != null) result.add(productFlavor.name)
+        if (buildType != null) result.add(buildType.name)
+        result.add(toCamelcaseDir())
+        return result
+    }
+
+    fun resDirectories(project: Project) : List<File> = sourceDirectories(project, "res")
+
+    fun sourceDirectories(project: Project) : List<File> =
+            sourceDirectories(project, project.projectInfo.sourceDirectory)
+
+    /**
+     * suffix is either "java" (to find source files) or "res" (to find resources)
+     */
+    private fun sourceDirectories(project: Project, suffix: String) : List<File> {
         val result = arrayListOf<File>()
         val sourceDirectories = project.sourceDirectories.map { File(it) }
         if (isDefault) {
             result.addAll(sourceDirectories)
         } else {
-            // The ordering of files is: 1) build type 2) product flavor 3) default
+            result.addAll(allDirectories(project).map {
-            buildType.let {
+                File(KFiles.joinDir("src", it, suffix))
-                val dir = File(KFiles.joinDir("src", it.name, project.projectInfo.sourceDirectory))
+                }.filter {
-                log(2, "Adding source for build type ${it.name}: ${dir.path}")
+                    it.exists()
-                result.add(dir)
+                })
-            }
+
-            productFlavor.let {
+//            // The ordering of files is: 1) build type 2) product flavor 3) default
-                val dir = File(KFiles.joinDir("src", it.name, project.projectInfo.sourceDirectory))
+//            buildType.let {
-                log(2, "Adding source for product flavor ${it.name}: ${dir.path}")
+//                val dir = File(KFiles.joinDir("src", it.name, project.projectInfo.sourceDirectory))
-                result.add(dir)
+//                log(2, "Adding source for build type ${it.name}: ${dir.path}")
-            }
+//                result.add(dir)
+//            }
+//            productFlavor.let {
+//                val dir = File(KFiles.joinDir("src", it.name, project.projectInfo.sourceDirectory))
+//                log(2, "Adding source for product flavor ${it.name}: ${dir.path}")
+//                result.add(dir)
+//            }
 
             // Now that all the variant source directories have been added, add the project's default ones
             result.addAll(sourceDirectories)
@@ -101,10 +126,10 @@ class Variant(val initialProductFlavor: ProductFlavorConfig? = null,
     /**
      * Generate BuildConfig.java if requested. Also look up if any BuildConfig is defined on the current build type,
      * product flavor or main project, and use them to generate any additional field (in that order to
-     * respect the priorities).
+     * respect the priorities). Return the generated file if it was generated, null otherwise.
      */
-    fun maybeGenerateBuildConfig(project: Project, context: KobaltContext) {
+    fun maybeGenerateBuildConfig(project: Project, context: KobaltContext) : File? {
-        fun generated(project: Project) = KFiles.joinDir(AndroidFiles.generated(project), "source")
+        fun generated(project: Project) = AndroidFiles.generatedSourceDir(project)
 
         val buildConfigs = findBuildConfigs(project, context.variant)
 
@@ -115,15 +140,18 @@ class Variant(val initialProductFlavor: ProductFlavorConfig? = null,
                     ?: throw KobaltException(
                     "packageName needs to be defined on the project in order to generate BuildConfig")
 
-            val code = project.projectInfo.generateBuildConfig(pkg, context.variant, buildConfigs)
+            val code = project.projectInfo.generateBuildConfig(project, context, pkg, context.variant, buildConfigs)
-            val g = KFiles.makeDir(generated(project))
+            val result = KFiles.makeDir(generated(project))
             // Make sure the generatedSourceDirectory doesn't contain the project.directory since
             // that directory will be added when trying to find recursively all the sources in it
-            generatedSourceDirectory = File(g.relativeTo(File(project.directory)))
+            generatedSourceDirectory = File(result.relativeTo(File(project.directory)))
-            val outputGeneratedSourceDirectory = File(g, pkg.replace('.', File.separatorChar))
+            val outputGeneratedSourceDirectory = File(result, pkg.replace('.', File.separatorChar))
-            val outputFile = File(outputGeneratedSourceDirectory, "BuildConfig" + project.sourceSuffix)
+            val outputDir = File(outputGeneratedSourceDirectory, "BuildConfig" + project.sourceSuffix)
-            KFiles.saveFile(outputFile, code)
+            KFiles.saveFile(outputDir, code)
-            log(2, "Generated ${outputFile.path}")
+            log(2, "Generated ${outputDir.path}")
+            return result
+        } else {
+            return null
         }
     }
 

src/main/kotlin/com/beust/kobalt/api/IBuildConfigFieldContributor.kt

@@ -0,0 +1,10 @@
+package com.beust.kobalt.api
+
+class BuildConfigField(val type: String, val name: String, val value: Any)
+
+/**
+ * Plug-ins that want to add fields to BuildConfig need to implement this interface.
+ */
+interface IBuildConfigFieldContributor {
+    fun fieldsFor(project: Project, context: KobaltContext) : List<BuildConfigField>
+}

src/main/kotlin/com/beust/kobalt/api/ISourceDirectoryContributor.kt

@@ -0,0 +1,10 @@
+package com.beust.kobalt.api
+
+import java.io.File
+
+/**
+ * Plug-ins that add source directories to be compiled need to implement this interface.
+ */
+interface ISourceDirectoryContributor {
+    fun sourceDirectoriesFor(project: Project, context: KobaltContext): List<File>
+}

src/main/kotlin/com/beust/kobalt/api/Project.kt

@@ -26,7 +26,7 @@ open public class Project(
         @Directive open var packageName: String? = group,
         val projectInfo: IProjectInfo) : IBuildConfig {
 
-    override var buildConfig: BuildConfig? = null
+    override var buildConfig = BuildConfig()
 
     val testArgs = arrayListOf<String>()
     val testJvmArgs = arrayListOf<String>()
@@ -171,7 +171,7 @@ class BuildConfig {
 }
 
 interface IBuildConfig {
-    var buildConfig: BuildConfig?
+    var buildConfig: BuildConfig
 
     fun buildConfig(init: BuildConfig.() -> Unit) {
         buildConfig = BuildConfig().apply {
@@ -181,7 +181,7 @@ interface IBuildConfig {
 }
 
 class ProductFlavorConfig(val name: String) : IBuildConfig {
-    override var buildConfig: BuildConfig? = null
+    override var buildConfig = BuildConfig()
 }
 
 @Directive
@@ -199,7 +199,7 @@ class BuildTypeConfig(val project: Project?, val name: String) : IBuildConfig {
         return Proguard(androidPlugin.androidHome(project)).getDefaultProguardFile(name)
     }
 
-    override var buildConfig: BuildConfig? = null
+    override var buildConfig = BuildConfig()
 }
 
 @Directive

src/main/kotlin/com/beust/kobalt/internal/JvmCompilerPlugin.kt

@@ -124,19 +124,25 @@ abstract class JvmCompilerPlugin @Inject constructor(
         project.projectProperties.put(COMPILER_ARGS, arrayListOf(*args))
     }
 
-    fun findSourceFiles(dir: String, sourceDirectories: Collection<String>): List<String> {
+    fun findSourceFiles(project: Project, context: KobaltContext, dir: String,
+            sourceDirectories: Collection<String>): List<String> {
         val projectDir = File(dir)
-        return files.findRecursively(projectDir,
+        val allSourceDirectories = arrayListOf<File>()
-                sourceDirectories.map { File(it) }) { it: String -> it.endsWith(".java") }
+        allSourceDirectories.addAll(sourceDirectories.map { File(it) })
-                .map { File(projectDir, it).absolutePath }
+        context.pluginInfo.sourceDirContributors.forEach {
+            allSourceDirectories.addAll(it.sourceDirectoriesFor(project, context))
+        }
+        return files.findRecursively(projectDir, allSourceDirectories) {
+                it: String -> it.endsWith(".java")
+            }.map { File(projectDir, it).absolutePath }
     }
 
     override fun projects() = projects
 
     @Task(name = JavaPlugin.TASK_COMPILE, description = "Compile the project")
     fun taskCompile(project: Project) : TaskResult {
-        context.variant.maybeGenerateBuildConfig(project, context)
+        val generatedDir = context.variant.maybeGenerateBuildConfig(project, context)
-        val info = createCompilerActionInfo(project, context)
+        val info = createCompilerActionInfo(project, context, generatedDir)
         val compiler = ActorUtils.selectAffinityActor(project, context, context.pluginInfo.compilerContributors)
         if (compiler != null) {
             return compiler.compile(project, context, info)
@@ -149,14 +155,15 @@ abstract class JvmCompilerPlugin @Inject constructor(
     fun taskJavadoc(project: Project) : TaskResult {
         val docGenerator = ActorUtils.selectAffinityActor(project, context, context.pluginInfo.docContributors)
         if (docGenerator != null) {
-            return docGenerator.generateDoc(project, context, createCompilerActionInfo(project, context))
+            return docGenerator.generateDoc(project, context, createCompilerActionInfo(project, context, null))
         } else {
             warn("Couldn't find any doc contributor for project ${project.name}")
             return TaskResult()
         }
     }
 
-    private fun createCompilerActionInfo(project: Project, context: KobaltContext) : CompilerActionInfo {
+    private fun createCompilerActionInfo(project: Project, context: KobaltContext, generatedSourceDir: File?)
+            : CompilerActionInfo {
         copyResources(project, JvmCompilerPlugin.SOURCE_SET_MAIN)
 
         val classpath = dependencyManager.calculateDependencies(project, context, projects,
@@ -166,10 +173,26 @@ abstract class JvmCompilerPlugin @Inject constructor(
         val buildDirectory = File(project.classesDir(context))
         buildDirectory.mkdirs()
 
-        val initialSourceDirectories = context.variant.sourceDirectories(project)
+        val initialSourceDirectories = arrayListOf<File>()
-        val sourceDirectories = context.pluginInfo.sourceDirectoriesInterceptors.fold(initialSourceDirectories,
+
+        // Add the generated source dir if any
+        generatedSourceDir?.let {
+            initialSourceDirectories.add(it)
+        }
+
+        // Source directories from the project and variants
+        initialSourceDirectories.addAll(context.variant.sourceDirectories(project))
+
+        // Source directories from the contributors
+        context.pluginInfo.sourceDirContributors.forEach {
+            initialSourceDirectories.addAll(it.sourceDirectoriesFor(project, context))
+        }
+
+        // Transform them with the interceptors, if any
+        val sourceDirectories = context.pluginInfo.sourceDirectoriesInterceptors.fold(initialSourceDirectories.toList(),
                 { sd, interceptor -> interceptor.intercept(project, context, sd) })
 
+        // Now that we have the final list of source dirs, find source files in them
         val sourceFiles = files.findRecursively(projectDirectory, sourceDirectories,
                 { it .endsWith(project.sourceSuffix) })
                 .map { File(projectDirectory, it).path }

src/main/kotlin/com/beust/kobalt/internal/KobaltPluginXml.kt

@@ -70,6 +70,8 @@ class PluginInfo(val xml: KobaltPluginXml, val classLoader: ClassLoader?) {
     val classpathInterceptors = arrayListOf<IClasspathInterceptor>()
     val compilerContributors = arrayListOf<ICompilerContributor>()
     val docContributors = arrayListOf<IDocContributor>()
+    val sourceDirContributors = arrayListOf<ISourceDirectoryContributor>()
+    val buildConfigFieldContributors = arrayListOf<IBuildConfigFieldContributor>()
 
     // Future contributors:
     // source files
@@ -135,6 +137,8 @@ class PluginInfo(val xml: KobaltPluginXml, val classLoader: ClassLoader?) {
                 if (this is IClasspathInterceptor) classpathInterceptors.add(this)
                 if (this is ICompilerContributor) compilerContributors.add(this)
                 if (this is IDocContributor) docContributors.add(this)
+                if (this is ISourceDirectoryContributor) sourceDirContributors.add(this)
+                if (this is IBuildConfigFieldContributor) buildConfigFieldContributors.add(this)
             }
         }
     }
@@ -158,6 +162,8 @@ class PluginInfo(val xml: KobaltPluginXml, val classLoader: ClassLoader?) {
         classpathInterceptors.addAll(pluginInfo.classpathInterceptors)
         compilerContributors.addAll(pluginInfo.compilerContributors)
         docContributors.addAll(pluginInfo.docContributors)
+        sourceDirContributors.addAll(pluginInfo.sourceDirContributors)
+        buildConfigFieldContributors.addAll(pluginInfo.buildConfigFieldContributors)
     }
 }
 

src/main/kotlin/com/beust/kobalt/internal/ProjectInfo.kt

@@ -2,6 +2,9 @@ package com.beust.kobalt.internal
 
 import com.beust.kobalt.Variant
 import com.beust.kobalt.api.BuildConfig
+import com.beust.kobalt.api.BuildConfigField
+import com.beust.kobalt.api.KobaltContext
+import com.beust.kobalt.api.Project
 import java.util.*
 
 /**
@@ -18,5 +21,18 @@ interface IProjectInfo {
      * If at least one build config was found either on the project or the variant, this function
      * will be used to generate the BuildConfig file with the correct language.
      */
-    fun generateBuildConfig(packageName: String, variant: Variant, buildConfigs: List<BuildConfig>) : String
+    fun generateBuildConfig(project: Project, context: KobaltContext, packageName: String, variant: Variant,
+            buildConfigs: List<BuildConfig>) : String
+}
+
+interface BaseProjectInfo : IProjectInfo {
+    fun generate(field: BuildConfigField) : String
+    fun generate(type: String, name: String, value: Any) = generate(BuildConfigField(type, name, value))
+
+    fun generateFieldsFromContributors(project: Project, context: KobaltContext)
+        = context.pluginInfo.buildConfigFieldContributors.flatMap {
+                it.fieldsFor(project, context)
+            }.map {
+                generate(it)
+            }
 }

src/main/kotlin/com/beust/kobalt/plugin/android/AndroidBuild.kt

@@ -141,6 +141,8 @@ class AndroidBuild {
         val srcList = listOf("main", variant.productFlavor.name, variant.buildType.name, fullVariantDir.path)
             .map { "src" + File.separator + it}
 
+        // TODO: figure out why the badSrcList is bad. All this information should be coming from the Variant
+        val badSrcList = variant.resDirectories(project).map { it.path }
         val aarList = aarDependencies.map { it.path + File.separator}
         (aarList + srcList).map { it + File.separator + "res" }.forEach { path ->
             val set = ResourceSet(path)

src/main/kotlin/com/beust/kobalt/plugin/android/AndroidFiles.kt

@@ -30,12 +30,10 @@ class AndroidFiles {
         /**
          * Use the android home define on the project if any, otherwise use the environment variable.
          */
-        fun androidHomeNoThrows(project: Project?, config: AndroidConfig): String? {
+        fun androidHomeNoThrows(project: Project?, config: AndroidConfig?): String? {
             var result = System.getenv("ANDROID_HOME")
-            if (project != null) {
+            if (project != null && config?.androidHome != null) {
-                if (config.androidHome != null) {
+                result = config?.androidHome
-                    result = config.androidHome
-                }
             }
 
             return result
@@ -43,5 +41,7 @@ class AndroidFiles {
 
         fun androidHome(project: Project?, config: AndroidConfig) = androidHomeNoThrows(project, config) ?:
                 throw IllegalArgumentException("Neither androidHome nor \$ANDROID_HOME were defined")
+
+        fun generatedSourceDir(project: Project) = KFiles.joinDir(AndroidFiles.generated(project), "source")
     }
 }

src/main/kotlin/com/beust/kobalt/plugin/android/AndroidPlugin.kt

@@ -22,7 +22,8 @@ import java.nio.file.Paths
 public class AndroidPlugin @Inject constructor(val javaCompiler: JavaCompiler, val merger: Merger,
         val executors: KobaltExecutors)
             : ConfigPlugin<AndroidConfig>(), IClasspathContributor, IRepoContributor, ICompilerFlagContributor,
-                ICompilerInterceptor, IBuildDirectoryIncerceptor, IRunnerContributor, IClasspathInterceptor {
+                ICompilerInterceptor, IBuildDirectoryIncerceptor, IRunnerContributor, IClasspathInterceptor,
+                ISourceDirectoryContributor, IBuildConfigFieldContributor {
     companion object {
         const val PLUGIN_NAME = "Android"
         const val TASK_GENERATE_DEX = "generateDex"
@@ -354,10 +355,7 @@ public class AndroidPlugin @Inject constructor(val javaCompiler: JavaCompiler, v
     // IRepoContributor
     override fun reposFor(project: Project?): List<HostConfig> {
         val config = configurationFor(project)
-        var home: String? = null
+        var home = AndroidFiles.androidHomeNoThrows(project, config)
-        if (config != null) {
-            home = AndroidFiles.androidHomeNoThrows(project, config)
-        }
 
         return if (home != null) {
             val path = Paths.get(KFiles.joinDir(home, "extras", "android", "m2repository"))
@@ -426,6 +424,22 @@ public class AndroidPlugin @Inject constructor(val javaCompiler: JavaCompiler, v
         return result
     }
 
+    private val extraSourceDirectories = arrayListOf<File>()
+
+    // ISourceDirectoryContributor
+    override fun sourceDirectoriesFor(project: Project, context: KobaltContext): List<File> = extraSourceDirectories
+
+    // IBuildConfigFieldContributor
+    override fun fieldsFor(project: Project, context: KobaltContext): List<BuildConfigField> {
+        val result = arrayListOf<BuildConfigField>()
+        configurationFor(project)?.let { config ->
+            result.add(BuildConfigField("String", "VERSION_NAME", "\"${config.versionName}\""))
+            result.add(BuildConfigField("int", "VERSION_CODE", "${config.versionCode}"))
+        }
+        return result
+    }
+
+
 }
 
 class AndroidConfig(val project: Project,
@@ -433,6 +447,7 @@ class AndroidConfig(val project: Project,
         var buildToolsVersion: String? = null,
         var minSdkVersion: String? = null,
         var versionCode: Int? = null,
+        var versionName: String? = null,
         var targetSdkVersion: String? = null,
         var applicationId: String? = null,
         val androidHome: String? = null) {

src/main/kotlin/com/beust/kobalt/plugin/java/JavaPlugin.kt

@@ -68,7 +68,7 @@ class JavaPlugin @Inject constructor(
 
     @Task(name = TASK_COMPILE_TEST, description = "Compile the tests", runAfter = arrayOf("compile"))
     fun taskCompileTest(project: Project): TaskResult {
-        val sourceFiles = findSourceFiles(project.directory, project.sourceDirectoriesTest)
+        val sourceFiles = findSourceFiles(project, context, project.directory, project.sourceDirectoriesTest)
         val result =
             if (sourceFiles.size > 0) {
                 copyResources(project, JvmCompilerPlugin.SOURCE_SET_TEST)

src/main/kotlin/com/beust/kobalt/plugin/java/JavaProjectInfo.kt

@@ -2,26 +2,40 @@ package com.beust.kobalt.plugin.java
 
 import com.beust.kobalt.Variant
 import com.beust.kobalt.api.BuildConfig
-import com.beust.kobalt.internal.IProjectInfo
+import com.beust.kobalt.api.BuildConfigField
+import com.beust.kobalt.api.KobaltContext
+import com.beust.kobalt.api.Project
+import com.beust.kobalt.internal.BaseProjectInfo
 import com.google.inject.Singleton
 
 @Singleton
-class JavaProjectInfo : IProjectInfo {
+class JavaProjectInfo : BaseProjectInfo {
     override val sourceDirectory = "java"
     override val defaultSourceDirectories = hashSetOf("src/main/java", "src/main/resources", "src/main/res")
     override val defaultTestDirectories = hashSetOf("src/test/java", "src/test/resources", "src/test/res")
 
-    private fun generate(type: String, name: String, value: Any) =
+    override fun generate(field: BuildConfigField) = with(field) {
         "    public static final $type $name = $value;"
+    }
 
-    override fun generateBuildConfig(packageName: String, variant: Variant, buildConfigs: List<BuildConfig>) : String {
+    override fun generateBuildConfig(project: Project, context: KobaltContext, packageName: String, variant: Variant,
+            buildConfigs: List<BuildConfig>) : String {
         val lines = arrayListOf<String>()
         with(lines) {
             add("package $packageName;")
             add("")
             add("public final class BuildConfig {")
-            add(generate("String", "PRODUCT_FLAVOR", "\"" + variant.productFlavor.name + "\""))
+            add(generate("String", "FLAVOR", "\"" + variant.productFlavor.name + "\""))
             add(generate("String", "BUILD_TYPE", "\"" + variant.buildType.name + "\""))
+            add(generate("boolean", "DEBUG",
+                    if (variant.productFlavor.name.equals("debug", ignoreCase = true)) {
+                        "true"
+                    } else {
+                        "false"
+                    }))
+
+            addAll(generateFieldsFromContributors(project, context))
+
             buildConfigs.forEach {
                 it.fields.forEach { field ->
                     add(generate(field.type, field.name, field.value))

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

@@ -2,19 +2,24 @@ package com.beust.kobalt.plugin.kotlin
 
 import com.beust.kobalt.Variant
 import com.beust.kobalt.api.BuildConfig
-import com.beust.kobalt.internal.IProjectInfo
+import com.beust.kobalt.api.BuildConfigField
+import com.beust.kobalt.api.KobaltContext
+import com.beust.kobalt.api.Project
+import com.beust.kobalt.internal.BaseProjectInfo
 import com.google.inject.Singleton
 
 @Singleton
-class KotlinProjectInfo : IProjectInfo {
+class KotlinProjectInfo : BaseProjectInfo {
     override val sourceDirectory = "kotlin"
     override val defaultSourceDirectories = hashSetOf("src/main/kotlin", "src/main/resources", "src/main/res")
     override val defaultTestDirectories = hashSetOf("src/test/kotlin", "src/test/resources", "src/test/res")
 
-    private fun generate(type: String, name: String, value: Any) =
+    override fun generate(field: BuildConfigField) = with(field) {
         "        val $name : $type = $value"
+    }
 
-    override fun generateBuildConfig(packageName: String, variant: Variant, buildConfigs: List<BuildConfig>) : String {
+    override fun generateBuildConfig(project: Project, context: KobaltContext, packageName: String, variant: Variant,
+            buildConfigs: List<BuildConfig>) : String {
         val lines = arrayListOf<String>()
         with(lines) {
             add("package $packageName")
@@ -23,6 +28,15 @@ class KotlinProjectInfo : IProjectInfo {
             add("    companion object {")
             add(generate("String", "PRODUCT_FLAVOR", "\"" + variant.productFlavor.name + "\""))
             add(generate("String", "BUILD_TYPE", "\"" + variant.buildType.name + "\""))
+            add(generate("String", "DEBUG",
+                    if (variant.productFlavor.name.equals("debug", ignoreCase = true)) {
+                        "true"
+                    } else {
+                        "false"
+                    }))
+
+            addAll(generateFieldsFromContributors(project, context))
+
             buildConfigs.forEach {
                 it.fields.forEach { field ->
                     add(generate(field.type, field.name, field.value))