Sys (boon 0.31 API)

java.lang.Object
- org.boon.core.Sys

```
public class Sys
extends Object
```

Field Summary

Fields
Modifier and Type	Field and Description
`static Object`	`DEFAULT_NULL_NOT_EMPTY`
`static ConcurrentHashMap<String,String>`	`env`
`static ConcurrentHashMap<Object,Object>`	`systemProperties`

Constructor Summary

Constructors
Constructor and Description

Sys()

Constructors
Constructor and Description
`Sys()`

Method Summary

Methods
Modifier and Type	Method and Description
`static int`	`availableProcessors()`
`static int`	`buildNumber()`
`static long`	`committedVirtualMemorySize()`
`static Object`	`contextToHold()`
`static long`	`freeMemory()`
`static long`	`freePhysicalMemorySize()`
`static long`	`freeSwapSpaceSize()`
`static List<GarbageCollectorMXBean>`	`gc()`
`static boolean`	`hasSysProp(String propertyName)`
`static 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(Class<T> clazz, String... fileLocations)`
`static long`	`maxFileDescriptorCount()`
`static long`	`maxMemory()`
`static MemoryUsage`	`nonHeapMemoryUsage()`
`static long`	`openFileDescriptorCount()`
`static int`	`pendingFinalizationCount()`
`static void`	`print(String message)`
`static void`	`println(String message)`
`static double`	`processCpuLoad()`
`static long`	`processCpuTime()`
`static String`	`putSysProp(String key, Object value)`
`static void`	`sleep(long duration)`
`static long`	`startTime()`
`static <T extends Enum> T`	`sysProp(Class<T> cls, String key, T defaultValue)`
`static String`	`sysProp(String key)`
`static boolean`	`sysProp(String key, boolean defaultValue)`
`static byte`	`sysProp(String key, byte defaultValue)`
`static File`	`sysProp(String key, File defaultValue)`
`static int`	`sysProp(String key, int defaultValue)`
`static long`	`sysProp(String key, long defaultValue)`
`static String`	`sysProp(String key, Object defaultValue)` Checks for the key under system property.
`static java.nio.file.Path`	`sysProp(String key, java.nio.file.Path defaultValue)`
`static short`	`sysProp(String key, short defaultValue)`
`static BigDecimal`	`sysPropBigDecima(String key, BigDecimal defaultValue)`
`static BigDecimal`	`sysPropBigDecimal(String key)`
`static BigInteger`	`sysPropBigInteger(String key)`
`static BigInteger`	`sysPropBigInteger(String key, BigInteger defaultValue)`
`static boolean`	`sysPropBoolean(String key)`
`static byte`	`sysPropByte(String key)`
`static String`	`sysPropDefaultNull(String key)`
`static <T extends Enum> T`	`sysPropEnum(Class<T> cls, String key)`
`static int`	`sysPropInt(String key)`
`static int`	`sysPropLong(String key)`
`static String`	`sysPropMultipleKeys(String... keys)`
`static short`	`sysPropShort(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 ConcurrentHashMap<Object,Object> systemProperties

env

public static ConcurrentHashMap<String,String> env

DEFAULT_NULL_NOT_EMPTY

public static final Object DEFAULT_NULL_NOT_EMPTY

Constructor Detail
- Sys
```
public Sys()
```

Method Detail

println

public static void println(String message)

print

public static void print(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 Object contextToHold()
```

sysPropMultipleKeys

public static String sysPropMultipleKeys(String... keys)

sysProp

public static String sysProp(String key)

sysPropDefaultNull

public static String sysPropDefaultNull(String key)

sysProp
```
public static String sysProp(String key,
             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(String key)

sysProp

public static boolean sysProp(String key,
              boolean defaultValue)

sysPropInt

public static int sysPropInt(String key)

sysProp

public static int sysProp(String key,
          int defaultValue)

sysProp

public static File sysProp(String key,
           File defaultValue)

sysProp

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

sysPropLong

public static int sysPropLong(String key)

sysProp

public static long sysProp(String key,
           long defaultValue)

sysPropShort

public static short sysPropShort(String key)

sysProp

public static short sysProp(String key,
            short defaultValue)

sysPropByte

public static byte sysPropByte(String key)

sysProp

public static byte sysProp(String key,
           byte defaultValue)

sysPropBigDecimal

public static BigDecimal sysPropBigDecimal(String key)

sysPropBigDecima

public static BigDecimal sysPropBigDecima(String key,
                          BigDecimal defaultValue)

sysPropBigInteger

public static BigInteger sysPropBigInteger(String key)

sysPropBigInteger

public static BigInteger sysPropBigInteger(String key,
                           BigInteger defaultValue)

sysPropEnum

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

sysProp

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

putSysProp

public static String putSysProp(String key,
                Object value)

hasSysProp

public static boolean hasSysProp(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 List<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 MemoryUsage heapMemoryUsage()

nonHeapMemoryUsage

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

Class Sys

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

systemProperties

env

DEFAULT_NULL_NOT_EMPTY

Constructor Detail

Sys

Method Detail

println

print

isWindows

is1_7OrLater

is1_7

is1_8

buildNumber

windowsPathSeparator

timer

time

inContainer

contextToHold

sysPropMultipleKeys

sysProp

sysPropDefaultNull

sysProp

sysPropBoolean

sysProp

sysPropInt

sysProp

sysProp

sysProp

sysPropLong

sysProp

sysPropShort

sysProp

sysPropByte

sysProp

sysPropBigDecimal

sysPropBigDecima

sysPropBigInteger

sysPropBigInteger

sysPropEnum

sysProp

putSysProp

hasSysProp

sleep

availableProcessors

freeMemory

totalMemory

maxMemory

gc

loadAverage

maxFileDescriptorCount

openFileDescriptorCount

committedVirtualMemorySize

totalSwapSpaceSize

freeSwapSpaceSize

processCpuTime

freePhysicalMemorySize

totalPhysicalMemorySize

systemCpuLoad

processCpuLoad

uptime

startTime

pendingFinalizationCount

heapMemoryUsage

nonHeapMemoryUsage

threadPeakCount

threadCount

threadsStarted

threadCPUTime

threadUserTime

threadDaemonCount

loadFromFileLocation