Print File descriptors count

Utils.java

package com.ibm.labbook.utils;

import com.ibm.lang.management.ExtendedOperatingSystem;
import com.ibm.lang.management.ManagementUtils;
import com.ibm.lang.management.OperatingSystemMXBean;
import com.ibm.lang.management.UnixOperatingSystemMXBean;


@SuppressWarnings("restriction")
public class SystemUtil{
	
	public static void main(String[] args) {
		printOpenFDs("test");
		
	}

	public static void printOpenFDs(String text){
        if(text == null)
            text = "";
        else
            text = text.trim();
        
        ManagementUtils.getOperatingSystemBean();
		OperatingSystemMXBean os = ExtendedOperatingSystem.getInstance();
        
        if(os instanceof UnixOperatingSystemMXBean){
            System.out.println("["+text+"] Number of open fd: " + ((UnixOperatingSystemMXBean) os).getOpenFileDescriptorCount());
        }
        
    }
    
    
}