hyperic-sigar 获取全面的系统信息

   public void dfInfo() throws SigarException {
           clearInfo();
        println("============Report filesystem disk space usage===============");

        try {
                sigarInit(true);
                FileSystem[] fslist = ();
                String[] HEADER = new String[] {
                        "Filesystem",
                        "Size",
                        "Used",
                        "Avail",
                        "Use%",
                        "Mounted on",
                        "Type"
                    };
                printf("        ls ls ls ls ls ls ls",HEADER);
                for (int i=0; i<; i++) {
                    singleFsInfo(fslist[i]);
                }
            } catch (RuntimeException e) {
                // TODO Auto-generated catch block
                ();
            } finally {
                shutdown();
            }

    }

    public void singleFsInfo(FileSystem fs) throws SigarException {
        long used, avail, total, pct;

        try {
            FileSystemUsage usage;
            if (fs instanceof NfsFileSystem) {
                NfsFileSystem nfs = (NfsFileSystem)fs;
                if (!()) {
                    println(());
                    return;
                }
            }
            usage = (());

            used = () - ();
            avail = ();
            total = ();

            pct = (long)(() * 100);
        } catch (SigarException e) {
            //. on win32 D:\ fails with "Device not ready"
            //if there is no cd in the drive.
            used = avail = total = pct = 0;
        }

        String usePct;
        if (pct == 0) {
            usePct = "-";
        }
        else {
            usePct = pct + "%";
        }

       
        Object[] items = new Object[] {
                (),
                (total* 1024),
                (used* 1024),
                (avail* 1024),
                usePct,
                (),
                () + "/" + ()
            };
        printf("        ls ls ls ls ls ls ls",items);
    }