Back to index...

	/*
	* 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();
	}
	}

Back to index...