Move src files to standard java folder structure

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

@@ -0,0 +1,137 @@
+/*
+ * 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.BufferedReader;
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.util.List;
+import java.util.Map;
+
+import com.sheepit.client.Log;
+
+public class Mac extends OS {
+	private final String NICE_BINARY_PATH = "nice";
+	private final String ID_COMMAND_INVOCATION = "id -u";
+	
+	public Mac() {
+		super();
+	}
+	
+	@Override public String name() {
+		return "mac";
+	}
+	
+	@Override public String getRenderBinaryPath() {
+		return "Blender" + File.separator + "Blender.app" + File.separator + "Contents" + File.separator + "MacOS" + File.separator + "Blender";
+	}
+	
+	@Override public Process exec(List<String> command, Map<String, String> env) throws IOException {
+		List<String> actual_command = command;
+		if (checkNiceAvailability()) {
+			// launch the process in lowest priority
+			if (env != null) {
+				actual_command.add(0, env.get("PRIORITY"));
+			}
+			else {
+				actual_command.add(0, "19");
+			}
+			actual_command.add(0, "-n");
+			actual_command.add(0, NICE_BINARY_PATH);
+		}
+		else {
+			Log.getInstance(null).error("No low priority binary, will not launch renderer in normal priority");
+		}
+		ProcessBuilder builder = new ProcessBuilder(actual_command);
+		builder.redirectErrorStream(true);
+		if (env != null) {
+			builder.environment().putAll(env);
+		}
+		return builder.start();
+	}
+	
+	@Override public boolean isSupported() {
+		String[] ver = operatingSystem.getVersionInfo().getVersion().split("\\.");
+		int majorVer = Integer.parseInt(ver[0]), minorVer = Integer.parseInt(ver[1]);
+		return super.isSupported() && ((majorVer == 10 && minorVer >= 13) || majorVer >= 11);
+	}
+	
+	@Override public String getCUDALib() {
+		return "/usr/local/cuda/lib/libcuda.dylib";
+	}
+	
+	@Override public boolean getSupportHighPriority() {
+		try {
+			ProcessBuilder builder = new ProcessBuilder();
+			builder.command("bash", "-c", ID_COMMAND_INVOCATION);
+			builder.redirectErrorStream(true);
+			
+			Process process = builder.start();
+			InputStream is = process.getInputStream();
+			BufferedReader reader = new BufferedReader(new InputStreamReader(is));
+			
+			String userLevel = null;
+			if ((userLevel = reader.readLine()) != null) {
+				// Root user in *ix systems -independently of the alias used to login- has a id value of 0. On top of being a user with root capabilities,
+				// to support changing the priority the nice tool must be accessible from the current user
+				return (userLevel.equals("0")) & checkNiceAvailability();
+			}
+		}
+		catch (IOException e) {
+			System.err.println(String.format("ERROR Mac::getSupportHighPriority Unable to execute id command. IOException %s", e.getMessage()));
+		}
+		
+		return false;
+	}
+	
+	@Override public boolean checkNiceAvailability() {
+		ProcessBuilder builder = new ProcessBuilder();
+		builder.command(NICE_BINARY_PATH);
+		builder.redirectErrorStream(true);
+		
+		Process process = null;
+		boolean hasNiceBinary = false;
+		try {
+			process = builder.start();
+			hasNiceBinary = true;
+		}
+		catch (IOException e) {
+			Log.getInstance(null).error("Failed to find low priority binary, will not launch renderer in normal priority (" + e + ")");
+		}
+		finally {
+			if (process != null) {
+				process.destroy();
+			}
+		}
+		return hasNiceBinary;
+	}
+	
+	@Override public void shutdownComputer(int delayInMinutes) {
+		try {
+			// Shutdown the computer waiting delayInMinutes minutes to allow all SheepIt threads to close and exit the app
+			ProcessBuilder builder = new ProcessBuilder("shutdown", "-h", String.valueOf(delayInMinutes));
+			Process process = builder.inheritIO().start();
+		}
+		catch (IOException e) {
+			System.err.println(String.format("Mac::shutdownComputer Unable to execute the 'shutdown -h 1' command. Exception %s", e.getMessage()));
+		}
+	}
+}