--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/windows/classes/sun/nio/fs/WindowsFileAttributeViews.java Sun Feb 15 12:25:54 2009 +0000
@@ -0,0 +1,296 @@
+/*
+ * Copyright 2008-2009 Sun Microsystems, Inc. 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. Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+package sun.nio.fs;
+
+
+import java.nio.file.attribute.*;
+import java.util.*;
+import java.util.concurrent.TimeUnit;
+import java.io.IOException;
+
+import static sun.nio.fs.WindowsNativeDispatcher.*;
+import static sun.nio.fs.WindowsConstants.*;
+
+class WindowsFileAttributeViews {
+
+ private static class Basic extends AbstractBasicFileAttributeView {
+ final WindowsPath file;
+ final boolean followLinks;
+
+ Basic(WindowsPath file, boolean followLinks) {
+ this.file = file;
+ this.followLinks = followLinks;
+ }
+
+ @Override
+ public WindowsFileAttributes readAttributes() throws IOException {
+ try {
+ return WindowsFileAttributes.get(file, followLinks);
+ } catch (WindowsException x) {
+ x.rethrowAsIOException(file);
+ return null; // keep compiler happy
+ }
+ }
+
+ /**
+ * Parameter values in Windows times.
+ */
+ void setFileTimes(long createTime, long lastAccessTime, long lastWriteTime)
+ throws IOException
+ {
+ long handle = -1L;
+ try {
+ int flags = FILE_FLAG_BACKUP_SEMANTICS;
+ if (!followLinks && file.getFileSystem().supportsLinks())
+ flags |= FILE_FLAG_OPEN_REPARSE_POINT;
+
+ handle = CreateFile(file.getPathForWin32Calls(),
+ FILE_WRITE_ATTRIBUTES,
+ (FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE),
+ OPEN_EXISTING,
+ flags);
+ } catch (WindowsException x) {
+ x.rethrowAsIOException(file);
+ }
+
+ // update attributes
+ try {
+ SetFileTime(handle, createTime, lastAccessTime, lastWriteTime);
+ } catch (WindowsException x) {
+ x.rethrowAsIOException(file);
+ } finally {
+ CloseHandle(handle);
+ }
+ }
+
+ @Override
+ public void setTimes(Long lastModifiedTime,
+ Long lastAccessTime,
+ Long createTime,
+ TimeUnit unit) throws IOException
+ {
+ file.checkWrite();
+
+ // if all null then do nothing
+ if (lastModifiedTime == null && lastAccessTime == null &&
+ createTime == null)
+ {
+ // no effect
+ return;
+ }
+
+ // null => no change
+ // -1 => change to current time
+ long now = System.currentTimeMillis();
+ long modTime = 0L, accTime = 0L, crTime = 0L;
+ if (lastModifiedTime != null) {
+ if (lastModifiedTime < 0L) {
+ if (lastModifiedTime != -1L)
+ throw new IllegalArgumentException();
+ modTime = now;
+ } else {
+ modTime = TimeUnit.MILLISECONDS.convert(lastModifiedTime, unit);
+ }
+ modTime = WindowsFileAttributes.toWindowsTime(modTime);
+ }
+ if (lastAccessTime != null) {
+ if (lastAccessTime < 0L) {
+ if (lastAccessTime != -1L)
+ throw new IllegalArgumentException();
+ accTime = now;
+ } else {
+ accTime = TimeUnit.MILLISECONDS.convert(lastAccessTime, unit);
+ }
+ accTime = WindowsFileAttributes.toWindowsTime(accTime);
+ }
+ if (createTime != null) {
+ if (createTime < 0L) {
+ if (createTime != -1L)
+ throw new IllegalArgumentException();
+ crTime = now;
+ } else {
+ crTime = TimeUnit.MILLISECONDS.convert(createTime, unit);
+ }
+ crTime = WindowsFileAttributes.toWindowsTime(crTime);
+ }
+
+ setFileTimes(crTime, accTime, modTime);
+ }
+ }
+
+ static class Dos extends Basic implements DosFileAttributeView {
+ private static final String READONLY_NAME = "readonly";
+ private static final String ARCHIVE_NAME = "archive";
+ private static final String SYSTEM_NAME = "system";
+ private static final String HIDDEN_NAME = "hidden";
+ private static final String ATTRIBUTES_NAME = "attributes";
+
+ Dos(WindowsPath file, boolean followLinks) {
+ super(file, followLinks);
+ }
+
+ @Override
+ public String name() {
+ return "dos";
+ }
+
+ @Override
+ public Object getAttribute(String attribute) throws IOException {
+ if (attribute.equals(READONLY_NAME))
+ return readAttributes().isReadOnly();
+ if (attribute.equals(ARCHIVE_NAME))
+ return readAttributes().isArchive();
+ if (attribute.equals(SYSTEM_NAME))
+ return readAttributes().isSystem();
+ if (attribute.equals(HIDDEN_NAME))
+ return readAttributes().isHidden();
+ // implementation specific
+ if (attribute.equals(ATTRIBUTES_NAME))
+ return readAttributes().attributes();
+ return super.getAttribute(attribute);
+ }
+
+ @Override
+ public void setAttribute(String attribute, Object value)
+ throws IOException
+ {
+ if (attribute.equals(READONLY_NAME)) {
+ setReadOnly((Boolean)value);
+ return;
+ }
+ if (attribute.equals(ARCHIVE_NAME)) {
+ setArchive((Boolean)value);
+ return;
+ }
+ if (attribute.equals(SYSTEM_NAME)) {
+ setSystem((Boolean)value);
+ return;
+ }
+ if (attribute.equals(HIDDEN_NAME)) {
+ setHidden((Boolean)value);
+ return;
+ }
+ super.setAttribute(attribute, value);
+ }
+
+ @Override
+ public Map<String,?> readAttributes(String first, String[] rest)
+ throws IOException
+ {
+ AttributesBuilder builder = AttributesBuilder.create(first, rest);
+ WindowsFileAttributes attrs = readAttributes();
+ addBasicAttributesToBuilder(attrs, builder);
+ if (builder.match(READONLY_NAME))
+ builder.add(READONLY_NAME, attrs.isReadOnly());
+ if (builder.match(ARCHIVE_NAME))
+ builder.add(ARCHIVE_NAME, attrs.isArchive());
+ if (builder.match(SYSTEM_NAME))
+ builder.add(SYSTEM_NAME, attrs.isSystem());
+ if (builder.match(HIDDEN_NAME))
+ builder.add(HIDDEN_NAME, attrs.isHidden());
+ if (builder.match(ATTRIBUTES_NAME))
+ builder.add(ATTRIBUTES_NAME, attrs.attributes());
+ return builder.unmodifiableMap();
+ }
+
+ /**
+ * Update DOS attributes
+ */
+ private void updateAttributes(int flag, boolean enable)
+ throws IOException
+ {
+ file.checkWrite();
+
+ // GetFileAttribtues & SetFileAttributes do not follow links so when
+ // following links we need the final target
+ String path = WindowsLinkSupport.getFinalPath(file, followLinks);
+ try {
+ int oldValue = GetFileAttributes(path);
+ int newValue = oldValue;
+ if (enable) {
+ newValue |= flag;
+ } else {
+ newValue &= ~flag;
+ }
+ if (newValue != oldValue) {
+ SetFileAttributes(path, newValue);
+ }
+ } catch (WindowsException x) {
+ // don't reveal target in exception
+ x.rethrowAsIOException(file);
+ }
+ }
+
+ @Override
+ public void setReadOnly(boolean value) throws IOException {
+ updateAttributes(FILE_ATTRIBUTE_READONLY, value);
+ }
+
+ @Override
+ public void setHidden(boolean value) throws IOException {
+ updateAttributes(FILE_ATTRIBUTE_HIDDEN, value);
+ }
+
+ @Override
+ public void setArchive(boolean value) throws IOException {
+ updateAttributes(FILE_ATTRIBUTE_ARCHIVE, value);
+ }
+
+ @Override
+ public void setSystem(boolean value) throws IOException {
+ updateAttributes(FILE_ATTRIBUTE_SYSTEM, value);
+ }
+
+ // package-private
+ // Copy given attributes to the file.
+ void setAttributes(WindowsFileAttributes attrs)
+ throws IOException
+ {
+ // copy DOS attributes to target
+ int flags = 0;
+ if (attrs.isReadOnly()) flags |= FILE_ATTRIBUTE_READONLY;
+ if (attrs.isHidden()) flags |= FILE_ATTRIBUTE_HIDDEN;
+ if (attrs.isArchive()) flags |= FILE_ATTRIBUTE_ARCHIVE;
+ if (attrs.isSystem()) flags |= FILE_ATTRIBUTE_SYSTEM;
+ updateAttributes(flags, true);
+
+ // copy file times to target - must be done after updating FAT attributes
+ // as otherwise the last modified time may be wrong.
+ setFileTimes(
+ WindowsFileAttributes.toWindowsTime(attrs.creationTime()),
+ WindowsFileAttributes.toWindowsTime(attrs.lastModifiedTime()),
+ WindowsFileAttributes.toWindowsTime(attrs.lastAccessTime()));
+ }
+ }
+
+ static BasicFileAttributeView createBasicView(WindowsPath file, boolean followLinks) {
+ return new Basic(file, followLinks);
+ }
+
+ static WindowsFileAttributeViews.Dos createDosView(WindowsPath file, boolean followLinks) {
+ return new Dos(file, followLinks);
+ }
+}