Package org.codehaus.plexus.util

Class Os

java.lang.Object

org.codehaus.plexus.util.Os

public class Os
extends Object

Condition that tests the OS type.

Since:

1.0

Author:

Stefan Bodewig, Magesh Umasankar, Brian Fox

Field Summary

Fields

Modifier and Type	Field	Description
static final String	FAMILY_DOS
static final String	FAMILY_MAC
static final String	FAMILY_NETWARE
static final String	FAMILY_OPENVMS
static final String	FAMILY_OS2
static final String	FAMILY_OS400
static final String	FAMILY_TANDEM
static final String	FAMILY_UNIX
static final String	FAMILY_WIN9X
static final String	FAMILY_WINDOWS
static final String	FAMILY_ZOS
static final String	OS_ARCH
static final String	OS_FAMILY
static final String	OS_NAME
static final String	OS_VERSION

Constructor Summary

Constructors

Constructor	Description
Os()	Default constructor
Os(String family)	Constructor that sets the family attribute

Method Summary

Modifier and Type	Method	Description
boolean	eval()
static Set<String>	getValidFamilies()
static boolean	isArch(String arch)	Determines if the current OS matches the given OS architecture.
static boolean	isFamily(String family)	Determines if the current OS matches the given OS family.
static boolean	isName(String name)	Determines if the current OS matches the given OS name.
static boolean	isOs(String family, String name, String arch, String version)	Determines if the current OS matches the given OS family, name, architecture and version.
static boolean	isValidFamily(String theFamily)	Helper method to check if the given family is in the following list: dos mac netware os/2 tandem unix windows win9x z/os os/400 openvms
static boolean	isVersion(String version)	Determines if the current OS matches the given OS version.
void	setArch(String arch)	Sets the desired OS architecture
void	setFamily(String f)	Sets the desired OS family type
void	setName(String name)	Sets the desired OS name
void	setVersion(String version)	Sets the desired OS version

Methods inherited from class java.lang.Object

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

Field Details

FAMILY_DOS

public static final String FAMILY_DOS

See Also:

• Constant Field Values

FAMILY_MAC

public static final String FAMILY_MAC

See Also:

• Constant Field Values

FAMILY_NETWARE

public static final String FAMILY_NETWARE

See Also:

• Constant Field Values

FAMILY_OS2

public static final String FAMILY_OS2

See Also:

• Constant Field Values

FAMILY_TANDEM

public static final String FAMILY_TANDEM

See Also:

• Constant Field Values

FAMILY_UNIX

public static final String FAMILY_UNIX

See Also:

• Constant Field Values

FAMILY_WINDOWS

public static final String FAMILY_WINDOWS

See Also:

• Constant Field Values

FAMILY_WIN9X

public static final String FAMILY_WIN9X

See Also:

• Constant Field Values

FAMILY_ZOS

public static final String FAMILY_ZOS

See Also:

• Constant Field Values

FAMILY_OS400

public static final String FAMILY_OS400

See Also:

• Constant Field Values

FAMILY_OPENVMS

public static final String FAMILY_OPENVMS

See Also:

• Constant Field Values

OS_NAME

public static final String OS_NAME

OS_ARCH

public static final String OS_ARCH

OS_VERSION

public static final String OS_VERSION

OS_FAMILY

public static final String OS_FAMILY

Constructor Details

Os

public Os()

Default constructor

Os

public Os(String family)

Constructor that sets the family attribute

Parameters:

family - a String value

Method Details

setFamily

public void setFamily(String f)

Sets the desired OS family type

Parameters:

f - The OS family type desired
Possible values:

• dos
• mac
• netware
• os/2
• tandem
• unix
• windows
• win9x
• z/os
• os/400
• openvms

setName

public void setName(String name)

Sets the desired OS name

Parameters:

name - The OS name

setArch

public void setArch(String arch)

Sets the desired OS architecture

Parameters:

arch - The OS architecture

setVersion

public void setVersion(String version)

Sets the desired OS version

Parameters:

version - The OS version

eval

public boolean eval()
             throws Exception

Returns:

Determines if the current OS matches the type of that set in setFamily.

Throws:

Exception - any errir

See Also:

• setFamily(String)

isFamily

public static boolean isFamily(String family)

Determines if the current OS matches the given OS family.

Parameters:

family - the family to check for

Returns:

true if the OS matches

Since:

1.0

isName

public static boolean isName(String name)

Determines if the current OS matches the given OS name.

Parameters:

name - the OS name to check for

Returns:

true if the OS matches

Since:

1.0

isArch

public static boolean isArch(String arch)

Determines if the current OS matches the given OS architecture.

Parameters:

arch - the OS architecture to check for

Returns:

true if the OS matches

Since:

1.0

isVersion

public static boolean isVersion(String version)

Determines if the current OS matches the given OS version.

Parameters:

version - the OS version to check for

Returns:

true if the OS matches

Since:

1.0

isOs

public static boolean isOs(String family,
 String name,
 String arch,
 String version)

Determines if the current OS matches the given OS family, name, architecture and version. The name, architecture and version are compared to the System properties os.name, os.version and os.arch in a case-independent way.

Parameters:

family - The OS family

name - The OS name

arch - The OS architecture

version - The OS version

Returns:

true if the OS matches

Since:

1.0

isValidFamily

public static boolean isValidFamily(String theFamily)

Helper method to check if the given family is in the following list:

• dos
• mac
• netware
• os/2
• tandem
• unix
• windows
• win9x
• z/os
• os/400
• openvms

Parameters:

theFamily - the family to check.

Returns:

true if one of the valid families.

Since:

1.4.2

getValidFamilies

public static Set<String> getValidFamilies()

Returns:

a copy of the valid families

Since:

1.4.2