/* * Copyright 2000-2016 JetBrains s.r.o. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package pkg; import java.io.File; public class TestLocalsNames { private static void rename(File file, boolean recursively) { if (file.isDirectory()) { long start = System.currentTimeMillis(); File[] files = file.listFiles(); for (File s : files) { File dest = new File(s.getAbsolutePath() + ".tmp"); assert s.renameTo(dest) : "unable to rename " + s + " to " + dest; } long elapsed = System.currentTimeMillis() - start; System.out.println("took " + elapsed + "ms (" + elapsed / files.length + "ms per dir)"); } } }