oshi.driver.linux.Lshw 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.driver.linux;
import oshi.annotation.concurrent.ThreadSafe;
import oshi.util.ExecutingCommand;
import oshi.util.ParseUtil;
/**
* Utility to read info from {@code lshw}
*/
@ThreadSafe
public final class Lshw {
private Lshw() {
}
/**
* Query the model from lshw
*
* @return The model if available, null otherwise
*/
public static String queryModel() {
String modelMarker = "product:";
for (String checkLine : ExecutingCommand.runNative("lshw -C system")) {
if (checkLine.contains(modelMarker)) {
return checkLine.split(modelMarker)[1].trim();
}
}
return null;
}
/**
* Query the serial number from lshw
*
* @return The serial number if available, null otherwise
*/
public static String querySerialNumber() {
String serialMarker = "serial:";
for (String checkLine : ExecutingCommand.runNative("lshw -C system")) {
if (checkLine.contains(serialMarker)) {
return checkLine.split(serialMarker)[1].trim();
}
}
return null;
}
/**
* Query the CPU capacity (max frequency) from lshw
*
* @return The CPU capacity (max frequency) if available, -1 otherwise
*/
public static long queryCpuCapacity() {
String capacityMarker = "capacity:";
for (String checkLine : ExecutingCommand.runNative("lshw -class processor")) {
if (checkLine.contains(capacityMarker)) {
return ParseUtil.parseHertz(checkLine.split(capacityMarker)[1].trim());
}
}
return -1L;
}
}