kotlin-android plugin: check minimal version of android plugin

2015-04-24 10:50:30 +03:00
parent 88e9439d25
commit 4d896b47e7
1 changed files with 85 additions and 0 deletions
@@ -42,6 +42,8 @@ import org.gradle.api.file.FileCollection
 import org.jetbrains.kotlin.gradle.tasks.KotlinTasksProvider
 import java.util.ServiceLoader
 import org.gradle.api.logging.*
+import java.net.URL
+import java.util.jar.Manifest

 val DEFAULT_ANNOTATIONS = "org.jebrains.kotlin.gradle.defaultAnnotations"

@@ -267,6 +269,14 @@ open class KotlinAndroidPlugin [Inject] (val scriptHandler: ScriptHandler, val t
        val project = p0 as ProjectInternal
        val ext = project.getExtensions().getByName("android") as BaseExtension

+        val version = loadAndroidPluginVersion()
+        if (version != null) {
+            val minimalVersion = "1.1.0"
+            if (compareVersionNumbers(version, minimalVersion) < 0) {
+                throw IllegalStateException("Kotlin: Unsupported version of com.android.tools.build:gradle plugin: version $minimalVersion or higher should be used with kotlin-android plugin")
+            }
+        }
+
        ext.getSourceSets().all(Action<AndroidSourceSet> { sourceSet ->
            if (sourceSet is HasConvention) {
                val sourceSetName = sourceSet.getName()
@@ -469,3 +479,78 @@ open class GradleUtils(val scriptHandler: ScriptHandler, val project: ProjectInt
            resolveDependencies(kotlinPluginArtifactCoordinates(artifact))
    public fun resolveJsLibrary(): File = resolveDependencies(kotlinJsLibraryCoordinates()).first()
 }
+
+//copied from BasePlugin.getLocalVersion
+private fun loadAndroidPluginVersion(): String? {
+    try {
+        val clazz = javaClass<BasePlugin>()
+        val className = clazz.getSimpleName() + ".class"
+        val classPath = clazz.getResource(className).toString()
+        if (!classPath.startsWith("jar")) {
+            // Class not from JAR, unlikely
+            return null
+        }
+        val manifestPath = classPath.substring(0, classPath.lastIndexOf("!") + 1) + "/META-INF/MANIFEST.MF";
+
+        val jarConnection = URL(manifestPath).openConnection();
+        jarConnection.setUseCaches(false);
+        val jarInputStream = jarConnection.getInputStream();
+        val attr = Manifest(jarInputStream).getMainAttributes();
+        jarInputStream.close();
+        return attr.getValue("Plugin-Version");
+    } catch (t: Throwable) {
+        return null;
+    }
+}
+
+//Copied from StringUtil.compareVersionNumbers
+private fun compareVersionNumbers(v1: String?, v2: String?): Int {
+    if (v1 == null && v2 == null) {
+        return 0
+    }
+    if (v1 == null) {
+        return -1
+    }
+    if (v2 == null) {
+        return 1
+    }
+
+    val pattern = "[\\.\\_\\-]".toRegex()
+    val part1 = v1.split(pattern)
+    val part2 = v2.split(pattern)
+
+    var idx = 0
+    while (idx < part1.size() && idx < part2.size()) {
+        val p1 = part1[idx]
+        val p2 = part2[idx]
+
+        val cmp: Int
+        if (p1.matches("\\d+") && p2.matches("\\d+")) {
+            cmp = p1.toInt().compareTo(p2.toInt())
+        } else {
+            cmp = part1[idx].compareTo(part2[idx])
+        }
+        if (cmp != 0) return cmp
+        idx++
+    }
+
+    if (part1.size() == part2.size()) {
+        return 0
+    } else {
+        val left = part1.size() > idx
+        val parts = if (left) part1 else part2
+
+        while (idx < parts.size()) {
+            val p = parts[idx]
+            val cmp: Int
+            if (p.matches("\\d+")) {
+                cmp = Integer(p).compareTo(0)
+            } else {
+                cmp = 1
+            }
+            if (cmp != 0) return if (left) cmp else -cmp
+            idx++
+        }
+        return 0
+    }
+}