| /* |
| * Copyright (c) 2016, 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. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * 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.internal.jrtfs; |
| |
| import java.nio.file.attribute.BasicFileAttributes; |
| import java.nio.file.attribute.FileTime; |
| import java.util.Formatter; |
| import jdk.internal.jimage.ImageReader.Node; |
| |
| /** |
| * File attributes implementation for jrt image file system. |
| * |
| * @implNote This class needs to maintain JDK 8 source compatibility. |
| * |
| * It is used internally in the JDK to implement jimage/jrtfs access, |
| * but also compiled and delivered as part of the jrtfs.jar to support access |
| * to the jimage file provided by the shipped JDK by tools running on JDK 8. |
| */ |
| final class JrtFileAttributes implements BasicFileAttributes { |
| |
| private final Node node; |
| |
| JrtFileAttributes(Node node) { |
| this.node = node; |
| } |
| |
| ///////// basic attributes /////////// |
| @Override |
| public FileTime creationTime() { |
| return node.creationTime(); |
| } |
| |
| @Override |
| public boolean isDirectory() { |
| return node.isDirectory(); |
| } |
| |
| @Override |
| public boolean isOther() { |
| return false; |
| } |
| |
| @Override |
| public boolean isRegularFile() { |
| return !isDirectory(); |
| } |
| |
| @Override |
| public FileTime lastAccessTime() { |
| return node.lastAccessTime(); |
| } |
| |
| @Override |
| public FileTime lastModifiedTime() { |
| return node.lastModifiedTime(); |
| } |
| |
| @Override |
| public long size() { |
| return node.size(); |
| } |
| |
| @Override |
| public boolean isSymbolicLink() { |
| return node.isLink(); |
| } |
| |
| @Override |
| public Object fileKey() { |
| return node.resolveLink(true); |
| } |
| |
| ///////// jrtfs specific attributes /////////// |
| /** |
| * Compressed resource file. If not available or not applicable, 0L is |
| * returned. |
| * |
| * @return the compressed resource size for compressed resources. |
| */ |
| public long compressedSize() { |
| return node.compressedSize(); |
| } |
| |
| /** |
| * "file" extension of a file resource. |
| * |
| * @return extension string for the file resource |
| */ |
| public String extension() { |
| return node.extension(); |
| } |
| |
| @Override |
| public final String toString() { |
| StringBuilder sb = new StringBuilder(1024); |
| try (Formatter fm = new Formatter(sb)) { |
| if (creationTime() != null) { |
| fm.format(" creationTime : %tc%n", creationTime().toMillis()); |
| } else { |
| fm.format(" creationTime : null%n"); |
| } |
| if (lastAccessTime() != null) { |
| fm.format(" lastAccessTime : %tc%n", lastAccessTime().toMillis()); |
| } else { |
| fm.format(" lastAccessTime : null%n"); |
| } |
| fm.format(" lastModifiedTime: %tc%n", lastModifiedTime().toMillis()); |
| fm.format(" isRegularFile : %b%n", isRegularFile()); |
| fm.format(" isDirectory : %b%n", isDirectory()); |
| fm.format(" isSymbolicLink : %b%n", isSymbolicLink()); |
| fm.format(" isOther : %b%n", isOther()); |
| fm.format(" fileKey : %s%n", fileKey()); |
| fm.format(" size : %d%n", size()); |
| fm.format(" compressedSize : %d%n", compressedSize()); |
| fm.format(" extension : %s%n", extension()); |
| } |
| return sb.toString(); |
| } |
| } |