yuchengxin commented on code in PR #20145: URL: https://github.com/apache/flink/pull/20145#discussion_r917228473
########## flink-test-utils-parent/flink-test-utils-junit/src/main/java/org/apache/flink/testutils/junit/utils/TempDirUtils.java: ########## @@ -0,0 +1,96 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you 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 org.apache.flink.testutils.junit.utils; + +import java.io.File; +import java.io.IOException; +import java.nio.file.Files; +import java.nio.file.Path; +import java.nio.file.attribute.FileAttribute; + +/** The utils contains some methods same as {@link org.junit.rules.TemporaryFolder}. */ +public class TempDirUtils { + private static final String TMP_PREFIX = "junit"; + + public static File newFolder(Path path) throws IOException { + Path tempPath; + if (path != null) { + tempPath = Files.createTempDirectory(path, TMP_PREFIX, new FileAttribute[0]); + } else { + tempPath = Files.createTempDirectory(TMP_PREFIX, new FileAttribute[0]); + } + return tempPath.toFile(); + } + + public static File newFile(Path path) throws IOException { + return File.createTempFile(TMP_PREFIX, null, path.toFile()); + } + + public static File newFolder(Path base, String... paths) throws IOException { + if (paths.length == 0) { + throw new IllegalArgumentException("must pass at least one path"); + } + + /* + * Before checking if the paths are absolute paths, check if create() was ever called, + * and if it wasn't, throw IllegalStateException. + */ + File root = base.toFile(); + for (String path : paths) { + if (new File(path).isAbsolute()) { + throw new IOException("folder path \'" + path + "\' is not a relative path"); + } + } + + File relativePath = null; + File file = root; + boolean lastMkdirsCallSuccessful = true; + for (String path : paths) { + relativePath = new File(relativePath, path); + file = new File(root, relativePath.getPath()); + + lastMkdirsCallSuccessful = file.mkdirs(); + if (!lastMkdirsCallSuccessful && !file.isDirectory()) { + if (file.exists()) { + throw new IOException( + "a file with the path \'" + relativePath.getPath() + "\' exists"); + } else { + throw new IOException( + "could not create a folder with the path \'" + + relativePath.getPath() + + "\'"); + } + } + } + if (!lastMkdirsCallSuccessful) { + throw new IOException( + "a folder with the path \'" + relativePath.getPath() + "\' already exists"); + } + return file; + } + + public static File newFile(Path folder, String fileName) throws IOException { + File file = new File(folder.toFile(), fileName); + if (!file.createNewFile()) { + throw new IOException( + "a file with the name \'" + fileName + "\' already exists in the test folder"); Review Comment: Has updated all similar places. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: issues-unsubscr...@flink.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org
