SystemUtil (Lucee Loader Build 5.3.8.205 API)

```
public interface SystemUtil
```

Field Summary

Fields
Modifier and Type	Field	Description
`static int`	`ARCH_32`
`static int`	`ARCH_64`
`static int`	`ARCH_UNKNOW`
`static char`	`CHAR_DOLLAR`
`static char`	`CHAR_EURO`
`static char`	`CHAR_POUND`
`static int`	`ERR`
`static int`	`JAVA_VERSION_1_0`
`static int`	`JAVA_VERSION_1_1`
`static int`	`JAVA_VERSION_1_2`
`static int`	`JAVA_VERSION_1_3`
`static int`	`JAVA_VERSION_1_4`
`static int`	`JAVA_VERSION_1_5`
`static int`	`JAVA_VERSION_1_6`
`static int`	`JAVA_VERSION_1_7`
`static int`	`JAVA_VERSION_1_8`
`static int`	`JAVA_VERSION_1_9`
`static int`	`MEMORY_TYPE_ALL`
`static int`	`MEMORY_TYPE_HEAP`
`static int`	`MEMORY_TYPE_NON_HEAP`
`static int`	`OUT`

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`addLibraryPath(Resource res)`	add resource to "java.library.path"
`int`	`getAddressSize()`
`java.nio.charset.Charset`	`getCharset()`
`double`	`getCpuUsage(long time)`
`long`	`getFreeBytes()`
`int`	`getFreePermGenSpacePromille()`
`long`	`getFreePermGenSpaceSize()`
`Resource`	`getHomeDirectory()`	returns the Home Directory of the System
`int`	`getJREArch()`	return the JRE (Java Runtime Engine) architecture, this can be different from the operating system architecture
`double`	`getLoaderVersion()`
`java.lang.String`	`getMacAddress()`
`Query`	`getMemoryUsageAsQuery(int type)`
`Struct`	`getMemoryUsageAsStruct(int type)`
`Struct`	`getMemoryUsageCompact(int type)`
`int`	`getOSArch()`	return the operating system architecture
`java.lang.String`	`getOSSpecificLineSeparator()`
`int`	`getPermGenFreeSpaceAsAPercentageOfAvailable()`
`java.io.PrintWriter`	`getPrintWriter(int type)`	get the printer writer for System.out or System.err
`java.net.URL`	`getResource(org.osgi.framework.Bundle bundle, java.lang.String path)`
`Resource`	`getRuningContextRoot()`
`Resource`	`getSystemDirectory()`
`Resource`	`getTempDirectory()`	returns the Temp Directory of the System
`Resource`	`getTempFile(java.lang.String extension, boolean touch)`	returns a unique temp file (with no auto delete)
`long`	`getTotalBytes()`
`java.lang.String`	`hash(javax.servlet.ServletContext sc)`
`java.lang.String`	`hash64b(java.lang.String str)`
`java.lang.String`	`hashMd5(java.lang.String str)`
`boolean`	`isFSCaseSensitive()`	returns if the file system case sensitive or not
`boolean`	`isLinux()`
`boolean`	`isMacOSX()`
`boolean`	`isSolaris()`
`boolean`	`isUnix()`
`boolean`	`isWindows()`
`java.lang.String`	`parsePlaceHolder(java.lang.String path)`	replace path placeholder with the real path, placeholders are [{temp-directory},{system-directory},{home-directory}]
`void`	`setCharset(java.nio.charset.Charset charset)`
`void`	`setPrintWriter(int type, java.io.PrintWriter pw)`	set the printer writer for System.out or System.err
`void`	`stop(java.lang.Thread thread)`
`void`	`stop(PageContext pc, java.lang.Throwable t, Log log)`

- Field Detail
  - MEMORY_TYPE_ALL
```
static final int MEMORY_TYPE_ALL
```
    See Also:
    
    Constant Field Values
  - MEMORY_TYPE_HEAP
```
static final int MEMORY_TYPE_HEAP
```
    See Also:
    
    Constant Field Values
  - MEMORY_TYPE_NON_HEAP
```
static final int MEMORY_TYPE_NON_HEAP
```
    See Also:
    
    Constant Field Values
  - ARCH_UNKNOW
```
static final int ARCH_UNKNOW
```
    See Also:
    
    Constant Field Values
  - ARCH_32
```
static final int ARCH_32
```
    See Also:
    
    Constant Field Values
  - ARCH_64
```
static final int ARCH_64
```
    See Also:
    
    Constant Field Values
  - CHAR_DOLLAR
```
static final char CHAR_DOLLAR
```
    See Also:
    
    Constant Field Values
  - CHAR_POUND
```
static final char CHAR_POUND
```
    See Also:
    
    Constant Field Values
  - CHAR_EURO
```
static final char CHAR_EURO
```
    See Also:
    
    Constant Field Values
  - JAVA_VERSION_1_0
```
static final int JAVA_VERSION_1_0
```
    See Also:
    
    Constant Field Values
  - JAVA_VERSION_1_1
```
static final int JAVA_VERSION_1_1
```
    See Also:
    
    Constant Field Values
  - JAVA_VERSION_1_2
```
static final int JAVA_VERSION_1_2
```
    See Also:
    
    Constant Field Values
  - JAVA_VERSION_1_3
```
static final int JAVA_VERSION_1_3
```
    See Also:
    
    Constant Field Values
  - JAVA_VERSION_1_4
```
static final int JAVA_VERSION_1_4
```
    See Also:
    
    Constant Field Values
  - JAVA_VERSION_1_5
```
static final int JAVA_VERSION_1_5
```
    See Also:
    
    Constant Field Values
  - JAVA_VERSION_1_6
```
static final int JAVA_VERSION_1_6
```
    See Also:
    
    Constant Field Values
  - JAVA_VERSION_1_7
```
static final int JAVA_VERSION_1_7
```
    See Also:
    
    Constant Field Values
  - JAVA_VERSION_1_8
```
static final int JAVA_VERSION_1_8
```
    See Also:
    
    Constant Field Values
  - JAVA_VERSION_1_9
```
static final int JAVA_VERSION_1_9
```
    See Also:
    
    Constant Field Values
  - OUT
```
static final int OUT
```
    See Also:
    
    Constant Field Values
  - ERR
```
static final int ERR
```
    See Also:
    
    Constant Field Values
- Method Detail
  - isFSCaseSensitive
```
boolean isFSCaseSensitive()
```
    returns if the file system case sensitive or not
    
    Returns:
    
    is the file system case sensitive or not
  - isWindows
```
boolean isWindows()
```
    Returns:
    
    is local machine a Windows Machine
  - isLinux
```
boolean isLinux()
```
    Returns:
    
    is local machine a Linux Machine
  - isSolaris
```
boolean isSolaris()
```
    Returns:
    
    is local machine a Solaris Machine
  - isMacOSX
```
boolean isMacOSX()
```
    Returns:
    
    is local machine a Solaris Machine
  - isUnix
```
boolean isUnix()
```
    Returns:
    
    is local machine a Unix Machine
  - getSystemDirectory
```
Resource getSystemDirectory()
```
    Returns:
    
    return System directory
  - getRuningContextRoot
```
Resource getRuningContextRoot()
```
    Returns:
    
    return running context root
  - getTempDirectory
```
Resource getTempDirectory()
                   throws java.io.IOException
```
    returns the Temp Directory of the System
    
    Returns:
    
    temp directory
    
    Throws:
    
    java.io.IOException
  - getTempFile
```
Resource getTempFile(java.lang.String extension,
                     boolean touch)
              throws java.io.IOException
```
    returns a unique temp file (with no auto delete)
    
    Parameters:
    
    extension -
    
    Returns:
    
    temp directory
    
    Throws:
    
    java.io.IOException
  - getHomeDirectory
```
Resource getHomeDirectory()
```
    returns the Home Directory of the System
    
    Returns:
    
    home directory
  - parsePlaceHolder
```
java.lang.String parsePlaceHolder(java.lang.String path)
```
    replace path placeholder with the real path, placeholders are [{temp-directory},{system-directory},{home-directory}]
    
    Parameters:
    
    path -
    
    Returns:
    
    updated path
  - hash64b
```
java.lang.String hash64b(java.lang.String str)
```
  - hashMd5
```
java.lang.String hashMd5(java.lang.String str)
                  throws java.io.IOException
```
    Throws:
    
    java.io.IOException
  - hash
```
java.lang.String hash(javax.servlet.ServletContext sc)
```
  - getCharset
```
java.nio.charset.Charset getCharset()
```
  - setCharset
```
void setCharset(java.nio.charset.Charset charset)
```
  - getOSSpecificLineSeparator
```
java.lang.String getOSSpecificLineSeparator()
```
  - getOSArch
```
int getOSArch()
```
    return the operating system architecture
    
    Returns:
    
    one of the following SystemUtil.ARCH_UNKNOW, SystemUtil.ARCH_32, SystemUtil.ARCH_64
  - getJREArch
```
int getJREArch()
```
    return the JRE (Java Runtime Engine) architecture, this can be different from the operating system architecture
    
    Returns:
    
    one of the following SystemUtil.ARCH_UNKNOW, SystemUtil.ARCH_32, SystemUtil.ARCH_64
  - getAddressSize
```
int getAddressSize()
```
  - getFreePermGenSpaceSize
```
long getFreePermGenSpaceSize()
```
  - getPermGenFreeSpaceAsAPercentageOfAvailable
```
int getPermGenFreeSpaceAsAPercentageOfAvailable()
```
  - getFreePermGenSpacePromille
```
int getFreePermGenSpacePromille()
```
  - getMemoryUsageAsQuery
```
Query getMemoryUsageAsQuery(int type)
                     throws PageException
```
    Throws:
    
    PageException
  - getMemoryUsageAsStruct
```
Struct getMemoryUsageAsStruct(int type)
```
  - getMemoryUsageCompact
```
Struct getMemoryUsageCompact(int type)
```
  - getFreeBytes
```
long getFreeBytes()
           throws PageException
```
    Throws:
    
    PageException
  - getTotalBytes
```
long getTotalBytes()
            throws PageException
```
    Throws:
    
    PageException
  - getCpuUsage
```
double getCpuUsage(long time)
            throws PageException
```
    Throws:
    
    PageException
  - setPrintWriter
```
void setPrintWriter(int type,
                    java.io.PrintWriter pw)
```
    set the printer writer for System.out or System.err
  - getPrintWriter
```
java.io.PrintWriter getPrintWriter(int type)
```
    get the printer writer for System.out or System.err
    
    Parameters:
    
    type - OUT or ERR
    
    Returns:
  - getLoaderVersion
```
double getLoaderVersion()
```
  - stop
```
void stop(java.lang.Thread thread)
```
  - stop
```
void stop(PageContext pc,
          java.lang.Throwable t,
          Log log)
```
  - getMacAddress
```
java.lang.String getMacAddress()
```
  - getResource
```
java.net.URL getResource(org.osgi.framework.Bundle bundle,
                         java.lang.String path)
```
  - addLibraryPath
```
void addLibraryPath(Resource res)
```
    add resource to "java.library.path"
    
    Parameters:
    
    res -

Interface SystemUtil

Field Summary

Method Summary

Field Detail

MEMORY_TYPE_ALL

MEMORY_TYPE_HEAP

MEMORY_TYPE_NON_HEAP

ARCH_UNKNOW

ARCH_32

ARCH_64

CHAR_DOLLAR

CHAR_POUND

CHAR_EURO

JAVA_VERSION_1_0

JAVA_VERSION_1_1

JAVA_VERSION_1_2

JAVA_VERSION_1_3

JAVA_VERSION_1_4

JAVA_VERSION_1_5

JAVA_VERSION_1_6

JAVA_VERSION_1_7

JAVA_VERSION_1_8

JAVA_VERSION_1_9

OUT

ERR

Method Detail

isFSCaseSensitive

isWindows

isLinux

isSolaris

isMacOSX

isUnix

getSystemDirectory

getRuningContextRoot

getTempDirectory

getTempFile

getHomeDirectory

parsePlaceHolder

hash64b

hashMd5

hash

getCharset

setCharset

getOSSpecificLineSeparator

getOSArch

getJREArch

getAddressSize

getFreePermGenSpaceSize

getPermGenFreeSpaceAsAPercentageOfAvailable

getFreePermGenSpacePromille

getMemoryUsageAsQuery

getMemoryUsageAsStruct

getMemoryUsageCompact

getFreeBytes

getTotalBytes

getCpuUsage

setPrintWriter

getPrintWriter

getLoaderVersion

stop

stop

getMacAddress

getResource

addLibraryPath