Class UnixSystem
java.lang.Object
com.sun.security.auth.module.UnixSystem
public class UnixSystem extends Object
This class implementation retrieves and makes available Unix UID/GID/groups information for the current user.
- Since:
- 1.4
Field Summary
| Modifier and Type | Field | Description |
|---|---|---|
protected long |
gid |
The current group ID. |
protected long[] |
groups |
The current list of groups. |
protected long |
uid |
The current user ID. |
protected String |
username |
The current username. |
Constructor Summary
| Constructor | Description |
|---|---|
UnixSystem() |
Instantiate a UnixSystem and load the native library to access the underlying system information. |
Method Summary
| Modifier and Type | Method | Description |
|---|---|---|
long |
getGid() |
Get the GID for the current Unix user. |
long[] |
getGroups() |
Get the supplementary groups for the current Unix user. |
long |
getUid() |
Get the UID for the current Unix user. |
String |
getUsername() |
Get the username for the current Unix user. |
Methods declared in class Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait | Modifier and Type | Method | Description |
|---|---|---|
protected Object |
clone() |
Creates and returns a copy of this object. |
boolean |
equals |
Indicates whether some other object is "equal to" this one. |
protected void |
finalize() |
Deprecated, for removal: This API element is subject to removal in a future version. Finalization is deprecated and subject to removal in a future release. |
final Class |
getClass() |
Returns the runtime class of this Object. |
int |
hashCode() |
Returns a hash code value for this object. |
final void |
notify() |
Wakes up a single thread that is waiting on this object's monitor. |
final void |
notifyAll() |
Wakes up all threads that are waiting on this object's monitor. |
String |
toString() |
Returns a string representation of the object. |
final void |
wait() |
Causes the current thread to wait until it is awakened, typically by being notified or interrupted. |
final void |
wait |
Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed. |
final void |
wait |
Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed. |
Field Details
username
protected String username
The current username.
uid
protected long uid
The current user ID.
gid
protected long gid
The current group ID.
groups
protected long[] groups
The current list of groups.
Constructor Details
UnixSystem
public UnixSystem()
Instantiate a
UnixSystem and load the native library to access the underlying system information.Method Details
getUsername
public String getUsername()
Get the username for the current Unix user.
- Returns:
- the username for the current Unix user.
getUid
public long getUid()
Get the UID for the current Unix user.
- Returns:
- the UID for the current Unix user.
getGid
public long getGid()
Get the GID for the current Unix user.
- Returns:
- the GID for the current Unix user.
getGroups
public long[] getGroups()
Get the supplementary groups for the current Unix user.
- Returns:
- the supplementary groups for the current Unix user.
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Documentation extracted from Debian's OpenJDK Development Kit package.
Licensed under the GNU General Public License, version 2, with the Classpath Exception.
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