content: /**
   * This file is part of Aion-Lightning <aion-lightning.org>.
   *
   *  Aion-Lightning 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, either version 3 of the License, or
   *  (at your option) any later version.
   *
   *  Aion-Lightning 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 Aion-Lightning.
   *  If not, see <http://www.gnu.org/licenses/>.
   */
  
  package com.aionemu.commons.utils;
  
  import java.text.DecimalFormat;
  import java.text.SimpleDateFormat;
  import java.util.Date;
  
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  /**
   * @author lord_rex This class is for get/log system informations.
   */
  public class AEInfos {
  
  	private static final Logger log = LoggerFactory.getLogger(AEInfos.class);
  
  	public static String[] getMemoryInfo() {
  		double max = Runtime.getRuntime().maxMemory() / 1024; // maxMemory is
  																// the upper
  																// limit the jvm
  																// can use
  		double allocated = Runtime.getRuntime().totalMemory() / 1024; // totalMemory
  																		// the
  																		// size
  																		// of
  																		// the
  																		// current
  																		// allocation
  																		// pool
  		double nonAllocated = max - allocated; // non allocated memory till jvm
  												// limit
  		double cached = Runtime.getRuntime().freeMemory() / 1024; // freeMemory
  																	// the
  																	// unused
  																	// memory in
  																	// the
  																	// allocation
  																	// pool
  		double used = allocated - cached; // really used memory
  		double useable = max - used; // allocated, but non-used and
  										// non-allocated memory
  		DecimalFormat df = new DecimalFormat(" (0.0000'%')");
  		DecimalFormat df2 = new DecimalFormat(" # 'KB'");
  		return new String[] { //
  				"+----", //
  				"| Global Memory Informations at " + getRealTime().toString() + ":", //
  				"|    |", //
  				"| Allowed Memory:" + df2.format(max), //
  				"|    |= Allocated Memory:" + df2.format(allocated) + df.format(allocated / max * 100), //
  				"|    |= Non-Allocated Memory:" + df2.format(nonAllocated) + df.format(nonAllocated / max * 100), //
  				"| Allocated Memory:" + df2.format(allocated), //
  				"|    |= Used Memory:" + df2.format(used) + df.format(used / max * 100), //
  				"|    |= Unused (cached) Memory:" + df2.format(cached) + df.format(cached / max * 100), //
  				"| Useable Memory:" + df2.format(useable) + df.format(useable / max * 100), //
  				"+----" //
  		};
  	}
  
  	public static String[] getCPUInfo() {
  		return new String[] { //
  				"Available CPU(s): " + Runtime.getRuntime().availableProcessors(), //
  				"Processor(s) Identifier: " + System.getenv("PROCESSOR_IDENTIFIER"), //
  				"..................................................", //
  				".................................................." //
  		};
  	}
  
  	public static String[] getOSInfo() {
  		return new String[] { //
  				"OS: " + System.getProperty("os.name") + " Build: " + System.getProperty("os.version"), //
  				"OS Arch: " + System.getProperty("os.arch"), //
  				"..................................................", //
  				".................................................." //
  		};
  	}
  
  	public static String[] getJREInfo() {
  		return new String[] { //
  				"Java Platform Information", //
  				"Java Runtime  Name: " + System.getProperty("java.runtime.name"), //
  				"Java Version: " + System.getProperty("java.version"), //
  				"Java Class Version: " + System.getProperty("java.class.version"), //
  				"..................................................", //
  				".................................................." //
  		};
  	}
  
  	public static String[] getJVMInfo() {
  		return new String[] { //
  				"Virtual Machine Information (JVM)", //
  				"JVM Name: " + System.getProperty("java.vm.name"), //
  				"JVM installation directory: " + System.getProperty("java.home"), //
  				"JVM version: " + System.getProperty("java.vm.version"), //
  				"JVM Vendor: " + System.getProperty("java.vm.vendor"), //
  				"JVM Info: " + System.getProperty("java.vm.info"), //
  				"..................................................", //
  				".................................................." //
  		};
  	}
  
  	public static String getRealTime() {
  		SimpleDateFormat String = new SimpleDateFormat("H:mm:ss");
  		return String.format(new Date());
  	}
  
  	public static void printMemoryInfo() {
  		for (String line : getMemoryInfo())
  			log.info(line);
  	}
  
  	public static void printCPUInfo() {
  		for (String line : getCPUInfo())
  			log.info(line);
  	}
  
  	public static void printOSInfo() {
  		for (String line : getOSInfo())
  			log.info(line);
  	}
  
  	public static void printJREInfo() {
  		for (String line : getJREInfo())
  			log.info(line);
  	}
  
  	public static void printJVMInfo() {
  		for (String line : getJVMInfo())
  			log.info(line);
  	}
  
  	public static void printRealTime() {
  		log.info(getRealTime().toString());
  	}
  
  	public static void printAllInfos() {
  		printOSInfo();
  		printCPUInfo();
  		printJREInfo();
  		printJVMInfo();
  		printMemoryInfo();
  	}
  }