| /* |
| * Copyright (c) 2016, 2017, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* |
| * @test |
| * @bug 8153955 |
| * @summary test the FileHandler's new property |
| * "java.util.logging.FileHandler.maxLocks" which will be present in |
| * "logging.properties" file with default value of 100. This property can be |
| * overriden by specifying this property in the custom config file. |
| * @library /test/lib |
| * @build jdk.test.lib.Platform |
| * jdk.test.lib.util.FileUtils |
| * @author rpatil |
| * @run main/othervm FileHandlerMaxLocksTest |
| */ |
| import java.io.File; |
| import java.io.FileWriter; |
| import java.io.IOException; |
| import java.nio.file.Paths; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.logging.FileHandler; |
| import jdk.test.lib.util.FileUtils; |
| |
| public class FileHandlerMaxLocksTest { |
| |
| private static final String LOGGER_DIR = "logger-dir"; |
| private static final String MAX_LOCK_PROPERTY = "java.util.logging.FileHandler.maxLocks = 200"; |
| private static final String CONFIG_FILE_NAME = "logging.properties"; |
| |
| public static void main(String[] args) throws Exception { |
| File loggerDir = createLoggerDir(); |
| String configFilePath = loggerDir.getPath() + File.separator + CONFIG_FILE_NAME; |
| File configFile = new File(configFilePath); |
| createFile(configFile, false); |
| System.setProperty("java.util.logging.config.file", configFilePath); |
| List<FileHandler> fileHandlers = new ArrayList<>(); |
| try (FileWriter writer = new FileWriter(configFile)) { |
| writer.write(MAX_LOCK_PROPERTY); |
| writer.flush(); |
| // 200 raises the default limit of 100, we try 102 times |
| for (int i = 0; i < 102; i++) { |
| fileHandlers.add(new FileHandler(loggerDir.getPath() + File.separator + "test_%u.log")); |
| } |
| } catch (IOException ie) { |
| throw new RuntimeException("Test Failed: " + ie.getMessage()); |
| } finally { |
| for (FileHandler fh : fileHandlers) { |
| fh.close(); |
| } |
| FileUtils.deleteFileTreeWithRetry(Paths.get(loggerDir.getPath())); |
| } |
| } |
| |
| /** |
| * Create a writable directory in user directory for the test |
| * |
| * @return writable directory created that needs to be deleted when done |
| * @throws RuntimeException |
| */ |
| private static File createLoggerDir() throws RuntimeException { |
| String userDir = System.getProperty("user.dir", "."); |
| File loggerDir = new File(userDir, LOGGER_DIR); |
| if (!createFile(loggerDir, true)) { |
| throw new RuntimeException("Test failed: unable to create" |
| + " writable working directory " |
| + loggerDir.getAbsolutePath()); |
| } |
| // System.out.println("Created Logger Directory: " + loggerDir.getPath()); |
| return loggerDir; |
| } |
| |
| /** |
| * @param newFile File to be created |
| * @param makeDirectory is File to be created is directory |
| * @return true if file already exists or creation succeeded |
| */ |
| private static boolean createFile(File newFile, boolean makeDirectory) { |
| if (newFile.exists()) { |
| return true; |
| } |
| if (makeDirectory) { |
| return newFile.mkdir(); |
| } else { |
| try { |
| return newFile.createNewFile(); |
| } catch (IOException ie) { |
| System.err.println("Not able to create file: " + newFile |
| + ", IOException: " + ie.getMessage()); |
| return false; |
| } |
| } |
| } |
| } |