oshi.util.Constants Maven / Gradle / Ivy
/**
* MIT License
*
* Copyright (c) 2010 - 2020 The OSHI Project Contributors: https://github.com/oshi/oshi/graphs/contributors
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package oshi.util;
import java.time.Instant;
import java.time.OffsetDateTime;
import java.time.ZoneOffset;
import oshi.annotation.concurrent.ThreadSafe;
/**
* General constants used in multiple classes
*/
@ThreadSafe
public final class Constants {
/**
* String to report for unknown information
*/
public static final String UNKNOWN = "unknown";
/**
* The official/approved path for sysfs information. Note: /sys/class/dmi/id
* symlinks here
*/
public static final String SYSFS_SERIAL_PATH = "/sys/devices/virtual/dmi/id/";
/**
* The Unix Epoch, a default value when WMI DateTime queries return no value.
*/
public static final OffsetDateTime UNIX_EPOCH = OffsetDateTime.ofInstant(Instant.EPOCH, ZoneOffset.UTC);
/**
* Everything in this class is static, never instantiate it
*/
private Constants() {
throw new AssertionError();
}
}