diff -r 2c3cc4b01880 -r c16ac7a2eba4 src/jdk.jfr/share/classes/jdk/jfr/internal/consumer/FileAccess.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/jdk.jfr/share/classes/jdk/jfr/internal/consumer/FileAccess.java Wed Oct 30 19:43:52 2019 +0100 @@ -0,0 +1,73 @@ +/* + * 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 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 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); + } + } +}