diff -r 31f4fe261732 -r 25b0fe51a74b jdk/test/java/nio/file/Files/walkFileTree/PrintFileTree.java --- a/jdk/test/java/nio/file/Files/walkFileTree/PrintFileTree.java Wed Jun 14 20:07:05 2017 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,92 +0,0 @@ -/* - * Copyright (c) 2008, 2011, 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. - */ - -import java.nio.file.*; -import java.nio.file.attribute.*; -import java.io.IOException; -import java.util.*; - -/** - * Invokes Files.walkFileTree to traverse a file tree and prints - * each of the directories and files. The -follow option causes symbolic - * links to be followed and the -printCycles option will print links - * where the target of the link is an ancestor directory. - */ - -public class PrintFileTree { - - public static void main(String[] args) throws Exception { - boolean followLinks = false; - boolean printCycles = false; - int i = 0; - while (i < (args.length-1)) { - switch (args[i]) { - case "-follow" : followLinks = true; break; - case "-printCycles" : printCycles = true; break; - default: - throw new RuntimeException(args[i] + " not recognized"); - } - i++; - } - Path dir = Paths.get(args[i]); - - Set options = new HashSet(); - if (followLinks) - options.add(FileVisitOption.FOLLOW_LINKS); - - final boolean follow = followLinks; - final boolean reportCycles = printCycles; - Files.walkFileTree(dir, options, Integer.MAX_VALUE, new FileVisitor() { - @Override - public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs) { - System.out.println(dir); - return FileVisitResult.CONTINUE; - } - @Override - public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) { - System.out.println(file); - return FileVisitResult.CONTINUE; - } - @Override - public FileVisitResult postVisitDirectory(Path dir, IOException exc) - throws IOException - { - if (exc != null) - throw exc; - return FileVisitResult.CONTINUE; - } - @Override - public FileVisitResult visitFileFailed(Path file, IOException exc) - throws IOException - { - if (follow && (exc instanceof FileSystemLoopException)) { - if (reportCycles) - System.out.println(file); - return FileVisitResult.CONTINUE; - } else { - throw exc; - } - } - }); - } -}