[by cdr] optimizations

jps/jps-builders/src/org/jetbrains/jps/incremental/Utils.java

@@ -17,6 +17,7 @@ package org.jetbrains.jps.incremental;
 
 import com.intellij.openapi.util.Key;
 import com.intellij.openapi.util.io.FileUtil;
+import com.intellij.openapi.util.io.FileUtilRt;
 import com.intellij.openapi.util.text.StringUtil;
 import org.jetbrains.annotations.Nullable;
 import org.jetbrains.jps.builders.BuildTarget;
@@ -94,7 +95,7 @@ public class Utils {
 
   public static URI toURI(String localPath) {
     try {
-      String p = FileUtil.toSystemIndependentName(localPath);
+      String p = FileUtilRt.toSystemIndependentName(localPath);
       if (!p.startsWith("/")) {
         p = "/" + p;
       }

jps/jps-builders/src/org/jetbrains/jps/javac/OptimizedFileManager17.java

@@ -224,9 +224,11 @@ class OptimizedFileManager17 extends com.sun.tools.javac.file.JavacFileManager {
     return fileKinds.contains(getKind(name));
   }
 
-  private class InputFileObject extends BaseFileObject {
+  private static class InputFileObject extends BaseFileObject {
+    private static final Kind[] ourAvailableKinds = Kind.values();
     private final String name;
     private final File file;
+    private final Kind kind;
     private Reference<File> absFileRef;
 
     public InputFileObject(JavacFileManager fileManager, File f) {
@@ -237,9 +239,9 @@ class OptimizedFileManager17 extends com.sun.tools.javac.file.JavacFileManager {
       super(fileManager);
       this.name = name;
       this.file = f;
+      kind = findKind(name);
     }
 
-
     @Override
     public URI toUri() {
       try {
@@ -262,7 +264,11 @@ class OptimizedFileManager17 extends com.sun.tools.javac.file.JavacFileManager {
 
     @Override
     public JavaFileObject.Kind getKind() {
-      for (Kind kind : Kind.values()) {
+      return kind;
+    }
+
+    private static JavaFileObject.Kind findKind(String name) {
+      for (Kind kind : ourAvailableKinds) {
         if (kind != Kind.OTHER && name.endsWith(kind.extension)) {
           return kind;
         }