1 /* 2 * Copyright (c) 2009, 2019, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package jdk.nio.zipfs; 27 28 import java.io.IOException; 29 import java.nio.file.attribute.GroupPrincipal; 30 import java.nio.file.attribute.PosixFileAttributeView; 31 import java.nio.file.attribute.PosixFileAttributes; 32 import java.nio.file.attribute.UserPrincipal; 33 34 /** 35 * The zip file system attribute view with POSIX support. 36 */ 37 class ZipPosixFileAttributeView extends ZipFileAttributeView implements PosixFileAttributeView { 38 private final boolean isOwnerView; 39 40 ZipPosixFileAttributeView(ZipPath path, boolean owner) { 41 super(path, true); 42 this.isOwnerView = owner; 43 } 44 45 @Override 46 public String name() { 47 return isOwnerView ? "owner" : "posix"; 48 } 49 50 @Override 51 public PosixFileAttributes readAttributes() throws IOException { 52 return (PosixFileAttributes)path.readAttributes(); 53 } 54 55 @Override 56 public UserPrincipal getOwner() throws IOException { 57 return readAttributes().owner(); 58 } 59 60 @Override 61 public void setOwner(UserPrincipal owner) throws IOException { 62 path.setOwner(owner); 63 } 64 65 @Override 66 public void setGroup(GroupPrincipal group) throws IOException { 67 path.setGroup(group); 68 } 69 70 @Override 71 Object attribute(AttrID id, ZipFileAttributes zfas) { 72 PosixFileAttributes pzfas = (PosixFileAttributes)zfas; 73 switch (id) { 74 case owner: 75 return pzfas.owner(); 76 case group: 77 return pzfas.group(); 78 case permissions: 79 if (!isOwnerView) { 80 return pzfas.permissions(); 81 } else { 82 return super.attribute(id, zfas); 83 } 84 default: 85 return super.attribute(id, zfas); 86 } 87 } 88 }