UnixSystem (Java Authentication and Authorization Service ) - Java 2 SDK v1.4.2, Java 2 SDK 英文文档

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com.sun.security.auth.module
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.

Field Summary

protected long gid


protected long[] groups


protected long uid


protected String username


Constructor Summary

UnixSystem()
          Instantiate a UnixSystem and load the native library to access the underlying system information.

Method Summary

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 inherited from class java.lang.Object

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

Field Detail

username

protected String username

uid

protected long uid

gid

protected long gid

groups

protected long[] groups

Constructor Detail

UnixSystem

public UnixSystem()

Instantiate a UnixSystem and load the native library to access the underlying system information.

Method Detail

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.