| /* |
| * Copyright (c) 2019, 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. |
| */ |
| |
| package jdk.jfr.internal.consumer; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.io.RandomAccessFile; |
| import java.nio.file.DirectoryStream; |
| import java.nio.file.Files; |
| import java.nio.file.Path; |
| |
| // Protected by modular boundaries. |
| public abstract class FileAccess { |
| public final static FileAccess UNPRIVILIGED = new UnPriviliged(); |
| |
| public abstract RandomAccessFile openRAF(File f, String mode) throws IOException; |
| |
| public abstract DirectoryStream<Path> newDirectoryStream(Path repository) throws IOException; |
| |
| public abstract String getAbsolutePath(File f) throws IOException; |
| |
| public abstract long length(File f) throws IOException; |
| |
| public abstract long fileSize(Path p) throws IOException; |
| |
| private static class UnPriviliged extends FileAccess { |
| @Override |
| public RandomAccessFile openRAF(File f, String mode) throws IOException { |
| return new RandomAccessFile(f, mode); |
| } |
| |
| @Override |
| public DirectoryStream<Path> newDirectoryStream(Path dir) throws IOException { |
| return Files.newDirectoryStream(dir); |
| } |
| |
| @Override |
| public String getAbsolutePath(File f) throws IOException { |
| return f.getAbsolutePath(); |
| } |
| |
| @Override |
| public long length(File f) throws IOException { |
| return f.length(); |
| } |
| |
| @Override |
| public long fileSize(Path p) throws IOException { |
| return Files.size(p); |
| } |
| } |
| } |