maven plugin: cleanup

libraries/kotlin-maven-plugin/src/main/java/org/jetbrains/kotlin/maven/K2JSCompilerMojo.java

@@ -24,6 +24,7 @@ import org.jetbrains.jet.cli.CompilerArguments;
  *
  * @goal js
  * @phase compile
+ * @noinspection UnusedDeclaration
  */
 public class K2JSCompilerMojo extends KotlinCompileMojo {
     /**

libraries/kotlin-maven-plugin/src/main/java/org/jetbrains/kotlin/maven/K2JSCompilerPlugin.java

@@ -36,7 +36,6 @@ import java.util.List;
  * Compiles Kotlin code to JavaScript
  */
 public class K2JSCompilerPlugin implements CompilerPlugin {
-
     private String outFile = "target/js/program.js";
 
     public void processFiles(CompilerPluginContext context) {
@@ -56,12 +55,11 @@ public class K2JSCompilerPlugin implements CompilerPlugin {
 
                 K2JSTranslator translator = new K2JSTranslator(config);
                 final String code = translator.generateProgramCode(sources);
+
                 File file = new File(outFile);
-                File outDir = file.getParentFile();
-                if (outDir != null && !outDir.exists()) {
-                    outDir.mkdirs();
-                }
+
                 try {
+                    Files.createParentDirs(file);
                     Files.write(code, file, Charset.forName("UTF-8"));
                 } catch (IOException e) {
                     throw new RuntimeException(e);
@@ -70,10 +68,6 @@ public class K2JSCompilerPlugin implements CompilerPlugin {
         }
     }
 
-    public String getOutFile() {
-        return outFile;
-    }
-
     public void setOutFile(String outFile) {
         this.outFile = outFile;
     }

libraries/kotlin-maven-plugin/src/main/java/org/jetbrains/kotlin/maven/KotlinCompileMojo.java

@@ -25,6 +25,7 @@ import org.jetbrains.jet.cli.CompilerArguments;
  * @goal compile
  * @phase compile
  * @requiresDependencyResolution compile
+ * @noinspection UnusedDeclaration
  */
 public class KotlinCompileMojo extends KotlinCompileMojoBase {
     @Override

libraries/kotlin-maven-plugin/src/main/java/org/jetbrains/kotlin/maven/KotlinTestCompileMojo.java

@@ -26,6 +26,7 @@ import org.jetbrains.jet.cli.CompilerArguments;
  * @goal test-compile
  * @phase test-compile
  * @requiresDependencyResolution test
+ * @noinspection UnusedDeclaration
  */
 public class KotlinTestCompileMojo extends KotlinCompileMojoBase {
     /**