Move src files to standard java folder structure

src/main/java/com/sheepit/client/os/OS.java

@@ -0,0 +1,148 @@
+/*
+ * Copyright (C) 2010-2014 Laurent CLOUET
+ * Author Laurent CLOUET <laurent.clouet@nopnop.net>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; version 2
+ * of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+package com.sheepit.client.os;
+
+import java.io.File;
+import java.io.IOException;
+import java.util.List;
+import java.util.Map;
+
+import oshi.SystemInfo;
+import oshi.hardware.CentralProcessor;
+import oshi.software.os.OperatingSystem;
+import oshi.hardware.HardwareAbstractionLayer;
+import com.sheepit.client.hardware.cpu.CPU;
+
+public abstract class OS {
+	private static SystemInfo systemInfo = new SystemInfo();
+	
+	public static OperatingSystem operatingSystem = systemInfo.getOperatingSystem();
+	
+	private static HardwareAbstractionLayer hardwareAbstractionLayer = systemInfo.getHardware();
+	
+	private static OS instance = null;
+	
+	public abstract String name();
+	
+	public boolean isSupported() {  return "64bit".equals(getCPU().arch()); }
+	
+	/** Get the full version of the os.
+	 * For example windows, should give "windows 8.1"
+	 */
+	public String getVersion() {
+		return (name() + " " + operatingSystem.getVersionInfo()).toLowerCase();
+	}
+	
+	public long getTotalMemory() {
+		return hardwareAbstractionLayer.getMemory().getTotal() / 1024;
+	}
+	
+	public long getFreeMemory() {
+		return hardwareAbstractionLayer.getMemory().getAvailable() / 1024;
+	}
+	
+	public abstract String getRenderBinaryPath();
+	
+	public String getCUDALib() {
+		return null;
+	}
+	
+	public abstract boolean getSupportHighPriority();
+	
+	public abstract boolean checkNiceAvailability();
+	
+	/**
+	 * Shutdown the computer waiting delayInMinutes minutes to allow all SheepIt threads to close and exit the app
+	 */
+	public abstract void shutdownComputer(int delayInMinutes);
+	
+	public CPU getCPU() {
+		CentralProcessor.ProcessorIdentifier cpuID = hardwareAbstractionLayer.getProcessor().getProcessorIdentifier();
+		CPU ret = new CPU();
+		ret.setName(cpuID.getName());
+		ret.setModel(cpuID.getModel());
+		ret.setFamily(cpuID.getFamily());
+		return ret;
+	}
+	
+	public Process exec(List<String> command, Map<String, String> env) throws IOException {
+		ProcessBuilder builder = new ProcessBuilder(command);
+		builder.redirectErrorStream(true);
+		if (env != null) {
+			builder.environment().putAll(env);
+		}
+		return builder.start();
+	}
+	
+	public boolean kill(Process proc) {
+		if (proc != null) {
+			proc.destroy();
+			return true;
+		}
+		return false;
+	}
+	
+	public static OS getOS() {
+		if (instance == null) {
+			switch (operatingSystem.getManufacturer()){
+				case "Microsoft":
+					instance = new Windows();
+					break;
+				case "Apple":
+					if ("aarch64".equalsIgnoreCase(System.getProperty("os.arch"))) { // ARM arch ?
+						instance = new MacM1();
+					}
+					else {
+						instance = new Mac();
+					}
+					break;
+				case "GNU/Linux":
+					instance = new Linux();
+					break;
+			}
+		}
+		return instance;
+	}
+
+	public String getDefaultConfigFilePath() {
+		String xdgConfigHome = System.getenv("XDG_CONFIG_HOME");
+		String userHome = System.getProperty("user.home");
+		// fallback xdg config home should be ~/.config/
+		if (xdgConfigHome == null || xdgConfigHome.isEmpty()) {
+			xdgConfigHome = userHome + File.separator + ".config";
+		}
+		// add the config folder to the path 
+		xdgConfigHome += File.separator + "sheepit";
+		
+		// check if file already exists in ~/.config/sheepit/sheepit.conf
+		File file = new File(xdgConfigHome + File.separator + "sheepit.conf");
+		if (file.exists()) {
+			return file.getAbsolutePath();
+		} 
+		// if it doesn't exist, try $HOME/.sheepit.conf
+		file = new File(userHome + File.separator + ".sheepit.conf");
+		if (file.exists()) {
+			return file.getAbsolutePath();
+		}
+		// if it doesn't exist, create the file in the XDG compliant location
+		file = new File(xdgConfigHome);
+		file.mkdirs();
+		return file.getAbsolutePath() + File.separator + "sheepit.conf";
+	}
+}