1 /* 2 * Copyright (c) 2008, 2011, 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 sun.nio.fs; 27 28 import java.nio.file.attribute.*; 29 import java.util.*; 30 import java.io.IOException; 31 32 /** 33 * Base implementation of AclFileAttributeView 34 */ 35 36 abstract class AbstractAclFileAttributeView 37 implements AclFileAttributeView, DynamicFileAttributeView 38 { 39 private static final String OWNER_NAME = "owner"; 40 private static final String ACL_NAME = "acl"; 41 42 @Override 43 public final String name() { 44 return "acl"; 45 } 46 47 @Override 48 @SuppressWarnings("unchecked") 49 public final void setAttribute(String attribute, Object value) 50 throws IOException 51 { 52 if (attribute.equals(OWNER_NAME)) { 53 setOwner((UserPrincipal)value); 54 return; 55 } 56 if (attribute.equals(ACL_NAME)) { 57 setAcl((List<AclEntry>)value); 58 return; 59 } 60 throw new IllegalArgumentException("'" + name() + ":" + 61 attribute + "' not recognized"); 62 } 63 64 @Override 65 public final Map<String,Object> readAttributes(String[] attributes) 66 throws IOException 67 { 68 boolean acl = false; 69 boolean owner = false; 70 for (String attribute: attributes) { 71 if (attribute.equals("*")) { 72 owner = true; 73 acl = true; 74 continue; 75 } 76 if (attribute.equals(ACL_NAME)) { 77 acl = true; 78 continue; 79 } 80 if (attribute.equals(OWNER_NAME)) { 81 owner = true; 82 continue; 83 } 84 throw new IllegalArgumentException("'" + name() + ":" + 85 attribute + "' not recognized"); 86 } 87 Map<String,Object> result = new HashMap<>(2); 88 if (acl) 89 result.put(ACL_NAME, getAcl()); 90 if (owner) 91 result.put(OWNER_NAME, getOwner()); 92 return Collections.unmodifiableMap(result); 93 } 94 }