oshi.SystemInfo Maven / Gradle / Ivy
/**
* Oshi (https://github.com/oshi/oshi)
*
* Copyright (c) 2010 - 2018 The Oshi Project Team
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Maintainers:
* dblock[at]dblock[dot]org
* widdis[at]gmail[dot]com
* enrico.bianchi[at]gmail[dot]com
*
* Contributors:
* https://github.com/oshi/oshi/graphs/contributors
*/
package oshi;
import java.io.Serializable;
import com.sun.jna.Platform;
import oshi.hardware.HardwareAbstractionLayer;
import oshi.hardware.platform.linux.LinuxHardwareAbstractionLayer;
import oshi.hardware.platform.mac.MacHardwareAbstractionLayer;
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.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 OperatingSystem} (software) and
* {@link HardwareAbstractionLayer} (hardware).
*
* @author dblock[at]dblock[dot]org
*/
public class SystemInfo implements Serializable {
private static final long serialVersionUID = 1L;
private OperatingSystem os = null;
private HardwareAbstractionLayer hardware = null;
// 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 {
currentPlatformEnum = PlatformEnum.UNKNOWN;
}
}
/**
* @return Returns the currentPlatformEnum.
*/
public static PlatformEnum getCurrentPlatformEnum() {
return currentPlatformEnum;
}
/**
* Creates a new instance of the appropriate platform-specific
* {@link OperatingSystem}.
*
* @return A new instance of {@link OperatingSystem}.
*/
public OperatingSystem getOperatingSystem() {
if (this.os == null) {
switch (currentPlatformEnum) {
case WINDOWS:
this.os = new WindowsOperatingSystem();
break;
case LINUX:
this.os = new LinuxOperatingSystem();
break;
case MACOSX:
this.os = new MacOperatingSystem();
break;
case SOLARIS:
this.os = new SolarisOperatingSystem();
break;
case FREEBSD:
this.os = new FreeBsdOperatingSystem();
break;
default:
throw new UnsupportedOperationException("Operating system not supported: " + Platform.getOSType());
}
}
return this.os;
}
/**
* Creates a new instance of the appropriate platform-specific
* {@link HardwareAbstractionLayer}.
*
* @return A new instance of {@link HardwareAbstractionLayer}.
*/
public HardwareAbstractionLayer getHardware() {
if (this.hardware == null) {
switch (currentPlatformEnum) {
case WINDOWS:
this.hardware = new WindowsHardwareAbstractionLayer();
break;
case LINUX:
this.hardware = new LinuxHardwareAbstractionLayer();
break;
case MACOSX:
this.hardware = new MacHardwareAbstractionLayer();
break;
case SOLARIS:
this.hardware = new SolarisHardwareAbstractionLayer();
break;
case FREEBSD:
this.hardware = new FreeBsdHardwareAbstractionLayer();
break;
default:
throw new UnsupportedOperationException("Operating system not supported: " + Platform.getOSType());
}
}
return this.hardware;
}
}