| /* |
| * Copyright (c) 2008, 2010, 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 sun.nio.fs; |
| |
| import java.nio.file.attribute.*; |
| import java.io.IOException; |
| |
| import static sun.nio.fs.UnixNativeDispatcher.*; |
| import static sun.nio.fs.SolarisConstants.*; |
| |
| /** |
| * Solaris implementation of FileStore |
| */ |
| |
| class SolarisFileStore |
| extends UnixFileStore |
| { |
| private final boolean xattrEnabled; |
| |
| SolarisFileStore(UnixPath file) throws IOException { |
| super(file); |
| this.xattrEnabled = xattrEnabled(); |
| } |
| |
| SolarisFileStore(UnixFileSystem fs, UnixMountEntry entry) throws IOException { |
| super(fs, entry); |
| this.xattrEnabled = xattrEnabled(); |
| } |
| |
| // returns true if extended attributes enabled |
| private boolean xattrEnabled() { |
| long res = 0L; |
| try { |
| res = pathconf(file(), _PC_XATTR_ENABLED); |
| } catch (UnixException x) { |
| // ignore |
| } |
| return (res != 0L); |
| } |
| |
| @Override |
| UnixMountEntry findMountEntry() throws IOException { |
| // On Solaris iterate over the entries in the mount table to find device |
| for (UnixMountEntry entry: file().getFileSystem().getMountEntries()) { |
| if (entry.dev() == dev()) { |
| return entry; |
| } |
| } |
| throw new IOException("Device not found in mnttab"); |
| } |
| |
| @Override |
| public boolean supportsFileAttributeView(Class<? extends FileAttributeView> type) { |
| if (type == AclFileAttributeView.class) { |
| // lookup fstypes.properties |
| FeatureStatus status = checkIfFeaturePresent("nfsv4acl"); |
| switch (status) { |
| case PRESENT : return true; |
| case NOT_PRESENT : return false; |
| default : |
| // AclFileAttributeView available on ZFS |
| return (type().equals("zfs")); |
| } |
| } |
| if (type == UserDefinedFileAttributeView.class) { |
| // lookup fstypes.properties |
| FeatureStatus status = checkIfFeaturePresent("xattr"); |
| switch (status) { |
| case PRESENT : return true; |
| case NOT_PRESENT : return false; |
| default : |
| // UserDefinedFileAttributeView available if extended |
| // attributes supported |
| return xattrEnabled; |
| } |
| } |
| return super.supportsFileAttributeView(type); |
| } |
| |
| @Override |
| public boolean supportsFileAttributeView(String name) { |
| if (name.equals("acl")) |
| return supportsFileAttributeView(AclFileAttributeView.class); |
| if (name.equals("user")) |
| return supportsFileAttributeView(UserDefinedFileAttributeView.class); |
| return super.supportsFileAttributeView(name); |
| } |
| } |