oshi.SystemInfo 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;
import static oshi.util.Memoizer.memoize;
import java.util.function.Supplier;
import com.sun.jna.Platform; // NOSONAR squid:S1191
import oshi.hardware.HardwareAbstractionLayer;
import oshi.hardware.platform.linux.LinuxHardwareAbstractionLayer;
import oshi.hardware.platform.mac.MacHardwareAbstractionLayer;
import oshi.hardware.platform.unix.aix.AixHardwareAbstractionLayer;
import oshi.hardware.platform.unix.freebsd.FreeBsdHardwareAbstractionLayer;
import oshi.hardware.platform.unix.solaris.SolarisHardwareAbstractionLayer;
import oshi.hardware.platform.windows.WindowsHardwareAbstractionLayer;
import oshi.software.os.OperatingSystem;
import oshi.software.os.linux.LinuxOperatingSystem;
import oshi.software.os.mac.MacOperatingSystem;
import oshi.software.os.unix.aix.AixOperatingSystem;
import oshi.software.os.unix.freebsd.FreeBsdOperatingSystem;
import oshi.software.os.unix.solaris.SolarisOperatingSystem;
import oshi.software.os.windows.WindowsOperatingSystem;
/**
* System information. This is the main entry point to Oshi.
*
* This object provides getters which instantiate the appropriate
* platform-specific implementations of {@link oshi.software.os.OperatingSystem}
* (software) and {@link oshi.hardware.HardwareAbstractionLayer} (hardware).
*/
public class SystemInfo {
// The platform isn't going to change, and making this static enables easy
// access from outside this class
private static final PlatformEnum currentPlatformEnum;
static {
if (Platform.isWindows()) {
currentPlatformEnum = PlatformEnum.WINDOWS;
} else if (Platform.isLinux()) {
currentPlatformEnum = PlatformEnum.LINUX;
} else if (Platform.isMac()) {
currentPlatformEnum = PlatformEnum.MACOSX;
} else if (Platform.isSolaris()) {
currentPlatformEnum = PlatformEnum.SOLARIS;
} else if (Platform.isFreeBSD()) {
currentPlatformEnum = PlatformEnum.FREEBSD;
} else if (Platform.isAIX()) {
currentPlatformEnum = PlatformEnum.AIX;
} else {
currentPlatformEnum = PlatformEnum.UNKNOWN;
}
}
private final Supplier os = memoize(this::createOperatingSystem);
private final Supplier hardware = memoize(this::createHardware);
/**
*
* Getter for the field currentPlatformEnum.
*
*
* @return Returns the currentPlatformEnum.
*/
public static PlatformEnum getCurrentPlatformEnum() {
return currentPlatformEnum;
}
/**
* Creates a new instance of the appropriate platform-specific
* {@link oshi.software.os.OperatingSystem}.
*
* @return A new instance of {@link oshi.software.os.OperatingSystem}.
*/
public OperatingSystem getOperatingSystem() {
return os.get();
}
private OperatingSystem createOperatingSystem() {
switch (currentPlatformEnum) {
case WINDOWS:
return new WindowsOperatingSystem();
case LINUX:
return new LinuxOperatingSystem();
case MACOSX:
return new MacOperatingSystem();
case SOLARIS:
return new SolarisOperatingSystem();
case FREEBSD:
return new FreeBsdOperatingSystem();
case AIX:
return new AixOperatingSystem();
default:
throw new UnsupportedOperationException("Operating system not supported: " + Platform.getOSType());
}
}
/**
* Creates a new instance of the appropriate platform-specific
* {@link oshi.hardware.HardwareAbstractionLayer}.
*
* @return A new instance of {@link oshi.hardware.HardwareAbstractionLayer}.
*/
public HardwareAbstractionLayer getHardware() {
return hardware.get();
}
private HardwareAbstractionLayer createHardware() {
switch (currentPlatformEnum) {
case WINDOWS:
return new WindowsHardwareAbstractionLayer();
case LINUX:
return new LinuxHardwareAbstractionLayer();
case MACOSX:
return new MacHardwareAbstractionLayer();
case SOLARIS:
return new SolarisHardwareAbstractionLayer();
case FREEBSD:
return new FreeBsdHardwareAbstractionLayer();
case AIX:
return new AixHardwareAbstractionLayer();
default:
throw new UnsupportedOperationException("Operating system not supported: " + Platform.getOSType());
}
}
}