author | ohair |
Tue, 28 Dec 2010 15:53:50 -0800 | |
changeset 7668 | d4a77089c587 |
parent 6693 | f897a08d4dae |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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package sun.nio.fs; |
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import java.nio.file.attribute.*; |
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import java.io.IOException; |
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|
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import static sun.nio.fs.UnixNativeDispatcher.*; |
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import static sun.nio.fs.SolarisConstants.*; |
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/** |
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* Solaris implementation of FileStore |
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*/ |
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class SolarisFileStore |
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extends UnixFileStore |
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{ |
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private final boolean xattrEnabled; |
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|
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SolarisFileStore(UnixPath file) throws IOException { |
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super(file); |
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this.xattrEnabled = xattrEnabled(); |
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} |
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SolarisFileStore(UnixFileSystem fs, UnixMountEntry entry) throws IOException { |
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super(fs, entry); |
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this.xattrEnabled = xattrEnabled(); |
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} |
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// returns true if extended attributes enabled |
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private boolean xattrEnabled() { |
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long res = 0L; |
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try { |
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res = pathconf(file(), _PC_XATTR_ENABLED); |
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} catch (UnixException x) { |
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// ignore |
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} |
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return (res != 0L); |
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} |
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@Override |
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UnixMountEntry findMountEntry() throws IOException { |
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// On Solaris iterate over the entries in the mount table to find device |
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for (UnixMountEntry entry: file().getFileSystem().getMountEntries()) { |
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if (entry.dev() == dev()) { |
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return entry; |
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} |
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} |
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throw new IOException("Device not found in mnttab"); |
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} |
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@Override |
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public boolean supportsFileAttributeView(Class<? extends FileAttributeView> type) { |
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if (type == AclFileAttributeView.class) { |
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// lookup fstypes.properties |
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FeatureStatus status = checkIfFeaturePresent("nfsv4acl"); |
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switch (status) { |
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case PRESENT : return true; |
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case NOT_PRESENT : return false; |
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default : |
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// AclFileAttributeView available on ZFS |
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return (type().equals("zfs")); |
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} |
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} |
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if (type == UserDefinedFileAttributeView.class) { |
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// lookup fstypes.properties |
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FeatureStatus status = checkIfFeaturePresent("xattr"); |
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switch (status) { |
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case PRESENT : return true; |
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case NOT_PRESENT : return false; |
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default : |
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// UserDefinedFileAttributeView available if extended |
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// attributes supported |
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return xattrEnabled; |
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} |
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} |
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return super.supportsFileAttributeView(type); |
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} |
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@Override |
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public boolean supportsFileAttributeView(String name) { |
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if (name.equals("acl")) |
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return supportsFileAttributeView(AclFileAttributeView.class); |
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if (name.equals("user")) |
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return supportsFileAttributeView(UserDefinedFileAttributeView.class); |
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return super.supportsFileAttributeView(name); |
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} |
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} |