/*
* Copyright (c) 2008, 2009, 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.util.*;
class UnixFileModeAttribute {
static final int ALL_PERMISSIONS =
UnixConstants.S_IRUSR | UnixConstants.S_IWUSR | UnixConstants.S_IXUSR |
UnixConstants.S_IRGRP | UnixConstants.S_IWGRP | UnixConstants.S_IXGRP |
UnixConstants.S_IROTH | UnixConstants.S_IWOTH | UnixConstants. S_IXOTH;
static final int ALL_READWRITE =
UnixConstants.S_IRUSR | UnixConstants.S_IWUSR |
UnixConstants.S_IRGRP | UnixConstants.S_IWGRP |
UnixConstants.S_IROTH | UnixConstants.S_IWOTH;
static final int TEMPFILE_PERMISSIONS =
UnixConstants.S_IRUSR | UnixConstants.S_IWUSR | UnixConstants.S_IXUSR;
private UnixFileModeAttribute() {
}
static int toUnixMode(Set<PosixFilePermission> perms) {
int mode = 0;
for (PosixFilePermission perm: perms) {
if (perm == null)
throw new NullPointerException();
switch (perm) {
case OWNER_READ : mode |= UnixConstants.S_IRUSR; break;
case OWNER_WRITE : mode |= UnixConstants.S_IWUSR; break;
case OWNER_EXECUTE : mode |= UnixConstants.S_IXUSR; break;
case GROUP_READ : mode |= UnixConstants.S_IRGRP; break;
case GROUP_WRITE : mode |= UnixConstants.S_IWGRP; break;
case GROUP_EXECUTE : mode |= UnixConstants.S_IXGRP; break;
case OTHERS_READ : mode |= UnixConstants.S_IROTH; break;
case OTHERS_WRITE : mode |= UnixConstants.S_IWOTH; break;
case OTHERS_EXECUTE : mode |= UnixConstants.S_IXOTH; break;
}
}
return mode;
}
@SuppressWarnings("unchecked")
static int toUnixMode(int defaultMode, FileAttribute<?>... attrs) {
int mode = defaultMode;
for (FileAttribute<?> attr: attrs) {
String name = attr.name();
if (!name.equals("posix:permissions") && !name.equals("unix:permissions")) {
throw new UnsupportedOperationException("'" + attr.name() +
"' not supported as initial attribute");
}
mode = toUnixMode((Set<PosixFilePermission>)attr.value());
}
return mode;
}
}