Util.java Source code

Introduction

Here is the source code for Util.java

Source

/*
 * This file is part of aion-unique <aion-unique.org>.
 *
 *  aion-unique 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-unique 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-unique.  If not, see <http://www.gnu.org/licenses/>.
 */

/**
 * @author lord_rex This class is for get/log system informations.
 * 
 */
import java.text.DecimalFormat;
import java.text.SimpleDateFormat;
import java.util.Date;

public class Util {

    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 getRealTime() {
        SimpleDateFormat String = new SimpleDateFormat("H:mm:ss");
        return String.format(new Date());
    }

}