+++ /dev/null
-/*
- * Copyright (c) 1997, 2018 Oracle and/or its affiliates. All rights reserved.
- *
- * This program and the accompanying materials are made available under the
- * terms of the Eclipse Public License v. 2.0, which is available at
- * http://www.eclipse.org/legal/epl-2.0.
- *
- * This Source Code may also be made available under the following Secondary
- * Licenses when the conditions for such availability set forth in the
- * Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
- * version 2 with the GNU Classpath Exception, which is available at
- * https://www.gnu.org/software/classpath/license.html.
- *
- * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
- */
-
-package com.sun.mail.mbox;
-
-import java.io.*;
-
-public class UNIXFolder extends UNIXFile implements MailFile {
- protected transient RandomAccessFile file;
-
- private static final long serialVersionUID = -254578891263785591L;
-
- public UNIXFolder(String name) {
- super(name);
- }
-
- public boolean lock(String mode) {
- try {
- file = new RandomAccessFile(this, mode);
- switch (lockType) {
- case NONE:
- return true;
- case NATIVE:
- default:
- return UNIXFile.lock(file.getFD(), mode);
- case JAVA:
- return file.getChannel().
- tryLock(0L, Long.MAX_VALUE, !mode.equals("rw")) != null;
- }
- } catch (FileNotFoundException fe) {
- return false;
- } catch (IOException ie) {
- file = null;
- return false;
- }
- }
-
- public void unlock() {
- if (file != null) {
- try {
- file.close();
- } catch (IOException e) {
- // ignore it
- }
- file = null;
- }
- }
-
- public void touchlock() {
- }
-
- public FileDescriptor getFD() {
- if (file == null)
- return null;
- try {
- return file.getFD();
- } catch (IOException e) {
- return null;
- }
- }
-}