author | ohair |
Wed, 06 Apr 2011 22:06:11 -0700 | |
changeset 9035 | 1255eb81cc2f |
parent 8158 | 77d9c0f1c19f |
child 18574 | 4aeaeb541678 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2007, 2011, 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 java.nio.file.attribute; |
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import java.io.IOException; |
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/** |
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* A file attribute view that provides a view of the legacy "DOS" file attributes. |
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* These attributes are supported by file systems such as the File Allocation |
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* Table (FAT) format commonly used in <em>consumer devices</em>. |
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* |
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* <p> A {@code DosFileAttributeView} is a {@link BasicFileAttributeView} that |
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* additionally supports access to the set of DOS attribute flags that are used |
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* to indicate if the file is read-only, hidden, a system file, or archived. |
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* |
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* <p> Where dynamic access to file attributes is required, the attributes |
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* supported by this attribute view are as defined by {@code |
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* BasicFileAttributeView}, and in addition, the following attributes are |
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* supported: |
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* <blockquote> |
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* <table border="1" cellpadding="8"> |
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* <tr> |
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* <th> Name </th> |
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* <th> Type </th> |
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* </tr> |
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* <tr> |
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* <td> readonly </td> |
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* <td> {@link Boolean} </td> |
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* </tr> |
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* <tr> |
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* <td> hidden </td> |
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* <td> {@link Boolean} </td> |
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* </tr> |
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* <tr> |
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* <td> system </td> |
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* <td> {@link Boolean} </td> |
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* </tr> |
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* <tr> |
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* <td> archive </td> |
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* <td> {@link Boolean} </td> |
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* </tr> |
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* </table> |
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* </blockquote> |
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* |
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* <p> The {@link java.nio.file.Files#getAttribute getAttribute} method may |
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* be used to read any of these attributes, or any of the attributes defined by |
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* {@link BasicFileAttributeView} as if by invoking the {@link #readAttributes |
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* readAttributes()} method. |
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* |
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* <p> The {@link java.nio.file.Files#setAttribute setAttribute} method may |
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* be used to update the file's last modified time, last access time or create |
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* time attributes as defined by {@link BasicFileAttributeView}. It may also be |
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* used to update the DOS attributes as if by invoking the {@link #setReadOnly |
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* setReadOnly}, {@link #setHidden setHidden}, {@link #setSystem setSystem}, and |
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* {@link #setArchive setArchive} methods respectively. |
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* |
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* @since 1.7 |
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*/ |
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public interface DosFileAttributeView |
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extends BasicFileAttributeView |
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{ |
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/** |
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* Returns the name of the attribute view. Attribute views of this type |
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* have the name {@code "dos"}. |
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*/ |
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@Override |
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String name(); |
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/** |
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* @throws IOException {@inheritDoc} |
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* @throws SecurityException {@inheritDoc} |
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*/ |
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@Override |
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DosFileAttributes readAttributes() throws IOException; |
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/** |
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* Updates the value of the read-only attribute. |
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* |
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* <p> It is implementation specific if the attribute can be updated as an |
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* atomic operation with respect to other file system operations. An |
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* implementation may, for example, require to read the existing value of |
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* the DOS attribute in order to update this attribute. |
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* |
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* @param value |
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* the new value of the attribute |
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* |
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* @throws IOException |
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* if an I/O error occurs |
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* @throws SecurityException |
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* In the case of the default, and a security manager is installed, |
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* its {@link SecurityManager#checkWrite(String) checkWrite} method |
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* is invoked to check write access to the file |
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*/ |
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void setReadOnly(boolean value) throws IOException; |
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|
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/** |
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* Updates the value of the hidden attribute. |
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* |
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* <p> It is implementation specific if the attribute can be updated as an |
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* atomic operation with respect to other file system operations. An |
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* implementation may, for example, require to read the existing value of |
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* the DOS attribute in order to update this attribute. |
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* |
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* @param value |
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* the new value of the attribute |
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* |
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* @throws IOException |
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* if an I/O error occurs |
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* @throws SecurityException |
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* In the case of the default, and a security manager is installed, |
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* its {@link SecurityManager#checkWrite(String) checkWrite} method |
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* is invoked to check write access to the file |
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*/ |
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void setHidden(boolean value) throws IOException; |
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|
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/** |
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* Updates the value of the system attribute. |
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* |
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* <p> It is implementation specific if the attribute can be updated as an |
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* atomic operation with respect to other file system operations. An |
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* implementation may, for example, require to read the existing value of |
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* the DOS attribute in order to update this attribute. |
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* |
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* @param value |
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* the new value of the attribute |
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* |
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* @throws IOException |
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* if an I/O error occurs |
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* @throws SecurityException |
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* In the case of the default, and a security manager is installed, |
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* its {@link SecurityManager#checkWrite(String) checkWrite} method |
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* is invoked to check write access to the file |
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*/ |
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void setSystem(boolean value) throws IOException; |
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|
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/** |
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* Updates the value of the archive attribute. |
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* |
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* <p> It is implementation specific if the attribute can be updated as an |
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* atomic operation with respect to other file system operations. An |
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* implementation may, for example, require to read the existing value of |
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* the DOS attribute in order to update this attribute. |
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* |
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* @param value |
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* the new value of the attribute |
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* |
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* @throws IOException |
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* if an I/O error occurs |
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* @throws SecurityException |
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* In the case of the default, and a security manager is installed, |
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* its {@link SecurityManager#checkWrite(String) checkWrite} method |
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* is invoked to check write access to the file |
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*/ |
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void setArchive(boolean value) throws IOException; |
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} |