避免（java.nio.file.AccessDeniedException）的Java 8 Files.walk（..）终止原因[重复]

避免（java.nio.file.AccessDeniedException）的Java 8 Files.walk（..）终止原因[重复] 回答

这是一个临时解决方案，可以改进以使用Java 8 Streams和Lambdas。

int[] count = {0};try {    Files.walkFileTree( Paths.get(dir.getPath()),  new HashSet<FileVisitOption>(Arrays.asList(FileVisitOption.FOLLOW_linkS)), Integer.MAX_VALUE, new SimpleFileVisitor<Path>() {     @Override     public FileVisitResult visitFile(Path file, BasicFileAttributes attrs)   throws IOException {         System.out.printf("Visiting file %sn", file);         ++count[0];         return FileVisitResult.CONTINUE;     }     @Override     public FileVisitResult visitFileFailed(Path file, IOException e)   throws IOException {         System.err.printf("Visiting failed for %sn", file);         return FileVisitResult.SKIP_SUBTREE;     }     @Override     public FileVisitResult preVisitDirectory(Path dir,  BasicFileAttributes attrs)   throws IOException {         System.out.printf("about to visit directory %sn", dir);         return FileVisitResult.CONTINUE;     } });} catch (IOException e) {    // handle exception}