Property changes.

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

@@ -25,6 +25,8 @@ open public class Project(
 
     var testArgs: ArrayList<String> = arrayListOf()
 
+    val projectProperties = ProjectProperties()
+
     override fun equals(other: Any?): Boolean {
         return name == (other as Project).name
     }

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

@@ -0,0 +1,16 @@
+package com.beust.kobalt.api
+
+/**
+ * Plugins can add and read properties from the project by using this class, found on the Project class.
+ * Keys stored in this map by plug-ins should be annotated with @ExportedProjectProperty.
+ */
+class ProjectProperties {
+    private val properties = hashMapOf<String, Any>()
+
+    fun put(key: String, value: Any) = properties.put(key, value)
+
+    fun get(key: String) = properties[key]
+
+    fun getString(key: String) = get(key) as String
+}
+

src/main/kotlin/com/beust/kobalt/api/annotation/Annotations.kt

@@ -21,7 +21,14 @@ annotation class Task(val name: String,
 )
 
 /**
- * Plugins that export properties should annotated those with this annotation so they can be documented.
+ * Plugins that export properties should annotate those with this annotation so they can be documented.
  */
 @Retention(AnnotationRetention.RUNTIME)
-annotation class ExportedProperty
+annotation class ExportedPluginProperty
+
+/**
+ * Plugins that export properties on the Project instance should annotate those with this annotation so
+ * they can be documented.
+ */
+@Retention(AnnotationRetention.RUNTIME)
+annotation class ExportedProjectProperty

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

@@ -4,7 +4,7 @@ import com.beust.kobalt.TaskResult
 import com.beust.kobalt.api.BasePlugin
 import com.beust.kobalt.api.KobaltContext
 import com.beust.kobalt.api.Project
-import com.beust.kobalt.api.annotation.ExportedProperty
+import com.beust.kobalt.api.annotation.ExportedProjectProperty
 import com.beust.kobalt.api.annotation.Task
 import com.beust.kobalt.maven.*
 import com.beust.kobalt.misc.KFiles
@@ -26,7 +26,7 @@ abstract class JvmCompilerPlugin @Inject constructor(
         open val jvmCompiler: JvmCompiler) : BasePlugin() {
 
     companion object {
-        @ExportedProperty
+        @ExportedProjectProperty
         const val BUILD_DIR = "buildDir"
 
         const val TASK_CLEAN = "clean"
@@ -46,7 +46,7 @@ abstract class JvmCompilerPlugin @Inject constructor(
 
     override fun apply(project: Project, context: KobaltContext) {
         super.apply(project, context)
-        context.pluginProperties.put(name, BUILD_DIR, project.buildDirectory + File.separator + "classes")
+        project.projectProperties.put(BUILD_DIR, project.buildDirectory + File.separator + "classes")
     }
 
     /**

src/main/kotlin/com/beust/kobalt/plugin/application/ApplicationPlugin.kt

@@ -51,9 +51,8 @@ class ApplicationPlugin @Inject constructor(val executors: KobaltExecutors,
         configs[project.name]?.let { config ->
             val java = JavaInfo.create(File(SystemProperties.javaBase)).javaExecutable!!
             if (config.mainClass != null) {
-                val jarName = context.pluginProperties.get("packaging", PackagingPlugin.JAR_NAME) as String
+                val jarName = project.projectProperties.get(PackagingPlugin.JAR_NAME) as String
-                val packages = context.pluginProperties.get("packaging", PackagingPlugin.PACKAGES)
+                val packages = project.projectProperties.get(PackagingPlugin.PACKAGES) as List<PackageConfig>
-                        as List<PackageConfig>
                 val allDeps = arrayListOf(jarName)
                 if (! isFatJar(packages, jarName)) {
                     // If the jar file is not fat, we need to add the transitive closure of all dependencies

src/main/kotlin/com/beust/kobalt/plugin/packaging/PackagingPlugin.kt

@@ -9,7 +9,7 @@ import com.beust.kobalt.api.Kobalt
 import com.beust.kobalt.api.KobaltContext
 import com.beust.kobalt.api.Project
 import com.beust.kobalt.api.annotation.Directive
-import com.beust.kobalt.api.annotation.ExportedProperty
+import com.beust.kobalt.api.annotation.ExportedProjectProperty
 import com.beust.kobalt.api.annotation.Task
 import com.beust.kobalt.glob
 import com.beust.kobalt.internal.JvmCompilerPlugin
@@ -39,13 +39,13 @@ class PackagingPlugin @Inject constructor(val dependencyManager : DependencyMana
     companion object {
         const val PLUGIN_NAME = "packaging"
 
-        @ExportedProperty
+        @ExportedProjectProperty
         const val LIBS_DIR = "libsDir"
 
-        @ExportedProperty
+        @ExportedProjectProperty
         const val JAR_NAME = "jarName"
 
-        @ExportedProperty
+        @ExportedProjectProperty
         const val PACKAGES = "packages"
 
         const val TASK_ASSEMBLE: String = "assemble"
@@ -58,14 +58,14 @@ class PackagingPlugin @Inject constructor(val dependencyManager : DependencyMana
 
     override fun apply(project: Project, context: KobaltContext) {
         super.apply(project, context)
-        context.pluginProperties.put(name, LIBS_DIR, libsDir(project))
+        project.projectProperties.put(LIBS_DIR, libsDir(project))
     }
 
     private fun libsDir(project: Project) = KFiles.makeDir(buildDir(project).path, "libs").path
 
     @Task(name = TASK_ASSEMBLE, description = "Package the artifacts", runAfter = arrayOf(JavaPlugin.TASK_COMPILE))
     fun taskAssemble(project: Project) : TaskResult {
-    context.pluginProperties.put(PLUGIN_NAME, PACKAGES, packages)
+        project.projectProperties.put(PACKAGES, packages)
         packages.filter { it.project.name == project.name }.forEach { pkg ->
             pkg.jars.forEach { generateJar(pkg.project, it) }
             pkg.wars.forEach { generateWar(pkg.project, it) }
@@ -238,7 +238,7 @@ class PackagingPlugin @Inject constructor(val dependencyManager : DependencyMana
         outStream.close()
         log(1, "  Created $result")
 
-        context.pluginProperties.put(name, JAR_NAME, result.absolutePath)
+        project.projectProperties.put(JAR_NAME, result.absolutePath)
 
         return result
     }
@@ -253,7 +253,7 @@ class PackagingPlugin @Inject constructor(val dependencyManager : DependencyMana
     fun taskInstall(project: Project) : TaskResult {
         val config = installConfigs[project.name]
         if (config != null) {
-            val buildDir = context.pluginProperties.getString(PLUGIN_NAME, LIBS_DIR)
+            val buildDir = project.projectProperties.getString(LIBS_DIR)
             log(1, "Installing from $buildDir to ${config.libDir}")
 
             val toDir = KFiles.makeDir(config.libDir)