org.boon.core

Class Sys

java.lang.Object

org.boon.core.Sys

public class Sys
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.Object	DEFAULT_NULL_NOT_EMPTY
static java.util.concurrent.ConcurrentHashMap<java.lang.String,java.lang.String>	env
static java.util.concurrent.ConcurrentHashMap<java.lang.Object,java.lang.Object>	systemProperties

Constructor Summary

Constructors

Constructor and Description
Sys()

Method Summary

Methods

Modifier and Type	Method and Description
static int	availableProcessors()
static int	buildNumber()
static long	committedVirtualMemorySize()
static java.lang.Object	contextToHold()
static long	freeMemory()
static long	freePhysicalMemorySize()
static long	freeSwapSpaceSize()
static java.util.List<java.lang.management.GarbageCollectorMXBean>	gc()
static boolean	hasSysProp(java.lang.String propertyName)
static java.lang.management.MemoryUsage	heapMemoryUsage()
static boolean	inContainer()
static boolean	is1_7()
static boolean	is1_7OrLater()
static boolean	is1_8()
static boolean	isWindows()
static double	loadAverage()
static <T> T	loadFromFileLocation(java.lang.Class<T> clazz, java.lang.String... fileLocations)
static long	maxFileDescriptorCount()
static long	maxMemory()
static java.lang.management.MemoryUsage	nonHeapMemoryUsage()
static long	openFileDescriptorCount()
static int	pendingFinalizationCount()
static void	print(java.lang.String message)
static void	println(java.lang.String message)
static double	processCpuLoad()
static long	processCpuTime()
static java.lang.String	putSysProp(java.lang.String key, java.lang.Object value)
static void	sleep(long duration)
static long	startTime()
static <T extends java.lang.Enum> T	sysProp(java.lang.Class<T> cls, java.lang.String key, T defaultValue)
static java.lang.String	sysProp(java.lang.String key)
static boolean	sysProp(java.lang.String key, boolean defaultValue)
static byte	sysProp(java.lang.String key, byte defaultValue)
static java.io.File	sysProp(java.lang.String key, java.io.File defaultValue)
static int	sysProp(java.lang.String key, int defaultValue)
static long	sysProp(java.lang.String key, long defaultValue)
static java.lang.String	sysProp(java.lang.String key, java.lang.Object defaultValue) Checks for the key under system property.
static java.nio.file.Path	sysProp(java.lang.String key, java.nio.file.Path defaultValue)
static short	sysProp(java.lang.String key, short defaultValue)
static java.math.BigDecimal	sysPropBigDecima(java.lang.String key, java.math.BigDecimal defaultValue)
static java.math.BigDecimal	sysPropBigDecimal(java.lang.String key)
static java.math.BigInteger	sysPropBigInteger(java.lang.String key)
static java.math.BigInteger	sysPropBigInteger(java.lang.String key, java.math.BigInteger defaultValue)
static boolean	sysPropBoolean(java.lang.String key)
static byte	sysPropByte(java.lang.String key)
static java.lang.String	sysPropDefaultNull(java.lang.String key)
static <T extends java.lang.Enum> T	sysPropEnum(java.lang.Class<T> cls, java.lang.String key)
static int	sysPropInt(java.lang.String key)
static int	sysPropLong(java.lang.String key)
static java.lang.String	sysPropMultipleKeys(java.lang.String... keys)
static short	sysPropShort(java.lang.String key)
static double	systemCpuLoad()
static int	threadCount()
static long	threadCPUTime()
static int	threadDaemonCount()
static int	threadPeakCount()
static long	threadsStarted()
static long	threadUserTime()
static long	time()
static TimeKeeper	timer()
static long	totalMemory()
static long	totalPhysicalMemorySize()
static long	totalSwapSpaceSize()
static long	uptime()
static char	windowsPathSeparator()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

systemProperties

public static java.util.concurrent.ConcurrentHashMap<java.lang.Object,java.lang.Object> systemProperties

env

public static java.util.concurrent.ConcurrentHashMap<java.lang.String,java.lang.String> env

DEFAULT_NULL_NOT_EMPTY

public static final java.lang.Object DEFAULT_NULL_NOT_EMPTY

Constructor Detail

Sys

public Sys()

Method Detail

println

public static void println(java.lang.String message)

print

public static void print(java.lang.String message)

isWindows

public static boolean isWindows()

is1_7OrLater

public static boolean is1_7OrLater()

is1_7

public static boolean is1_7()

is1_8

public static boolean is1_8()

buildNumber

public static int buildNumber()

windowsPathSeparator

public static char windowsPathSeparator()

timer

public static TimeKeeper timer()

time

public static long time()

inContainer

public static boolean inContainer()

contextToHold

public static java.lang.Object contextToHold()

sysPropMultipleKeys

public static java.lang.String sysPropMultipleKeys(java.lang.String... keys)

sysProp

public static java.lang.String sysProp(java.lang.String key)

sysPropDefaultNull

public static java.lang.String sysPropDefaultNull(java.lang.String key)

sysProp

public static java.lang.String sysProp(java.lang.String key,
                       java.lang.Object defaultValue)

Checks for the key under system property. Then checks it as an environment variable. (Looks up in env using straight key and performing underBarCase on it.) Then converts defaultValue into a string.

Parameters:

key -

defaultValue -

Returns:

sysPropBoolean

public static boolean sysPropBoolean(java.lang.String key)

sysProp

public static boolean sysProp(java.lang.String key,
              boolean defaultValue)

sysPropInt

public static int sysPropInt(java.lang.String key)

sysProp

public static int sysProp(java.lang.String key,
          int defaultValue)

sysProp

public static java.io.File sysProp(java.lang.String key,
                   java.io.File defaultValue)

sysProp

public static java.nio.file.Path sysProp(java.lang.String key,
                         java.nio.file.Path defaultValue)

sysPropLong

public static int sysPropLong(java.lang.String key)

sysProp

public static long sysProp(java.lang.String key,
           long defaultValue)

sysPropShort

public static short sysPropShort(java.lang.String key)

sysProp

public static short sysProp(java.lang.String key,
            short defaultValue)

sysPropByte

public static byte sysPropByte(java.lang.String key)

sysProp

public static byte sysProp(java.lang.String key,
           byte defaultValue)

sysPropBigDecimal

public static java.math.BigDecimal sysPropBigDecimal(java.lang.String key)

sysPropBigDecima

public static java.math.BigDecimal sysPropBigDecima(java.lang.String key,
                                    java.math.BigDecimal defaultValue)

sysPropBigInteger

public static java.math.BigInteger sysPropBigInteger(java.lang.String key)

sysPropBigInteger

public static java.math.BigInteger sysPropBigInteger(java.lang.String key,
                                     java.math.BigInteger defaultValue)

sysPropEnum

public static <T extends java.lang.Enum> T sysPropEnum(java.lang.Class<T> cls,
                                       java.lang.String key)

sysProp

public static <T extends java.lang.Enum> T sysProp(java.lang.Class<T> cls,
                                   java.lang.String key,
                                   T defaultValue)

putSysProp

public static java.lang.String putSysProp(java.lang.String key,
                          java.lang.Object value)

hasSysProp

public static boolean hasSysProp(java.lang.String propertyName)

sleep

public static void sleep(long duration)

availableProcessors

public static int availableProcessors()

freeMemory

public static long freeMemory()

totalMemory

public static long totalMemory()

maxMemory

public static long maxMemory()

gc

public static java.util.List<java.lang.management.GarbageCollectorMXBean> gc()

loadAverage

public static double loadAverage()

maxFileDescriptorCount

public static long maxFileDescriptorCount()

openFileDescriptorCount

public static long openFileDescriptorCount()

committedVirtualMemorySize

public static long committedVirtualMemorySize()

totalSwapSpaceSize

public static long totalSwapSpaceSize()

freeSwapSpaceSize

public static long freeSwapSpaceSize()

processCpuTime

public static long processCpuTime()

freePhysicalMemorySize

public static long freePhysicalMemorySize()

totalPhysicalMemorySize

public static long totalPhysicalMemorySize()

systemCpuLoad

public static double systemCpuLoad()

processCpuLoad

public static double processCpuLoad()

uptime

public static long uptime()

startTime

public static long startTime()

pendingFinalizationCount

public static int pendingFinalizationCount()

heapMemoryUsage

public static java.lang.management.MemoryUsage heapMemoryUsage()

nonHeapMemoryUsage

public static java.lang.management.MemoryUsage nonHeapMemoryUsage()

threadPeakCount

public static int threadPeakCount()

threadCount

public static int threadCount()

threadsStarted

public static long threadsStarted()

threadCPUTime

public static long threadCPUTime()

threadUserTime

public static long threadUserTime()

threadDaemonCount

public static int threadDaemonCount()

loadFromFileLocation

public static <T> T loadFromFileLocation(java.lang.Class<T> clazz,
                         java.lang.String... fileLocations)