User (Apache Tomcat 7.0.104 API Documentation)

org.apache.tomcat.jni

## Class User

- java.lang.Object
- - org.apache.tomcat.jni.User

-     public class User
      extends Object

  User
  Author:
    Mladen Turk

- - ### Constructor Summary

    Constructors
    Constructor and Description
    `User()`

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `static long` | `gid(String groupname, long p)` Get the groupid for a specified group name This function is available only if APR_HAS_USER is defined.
    `static int` | `gidcompare(long left, long right)` Compare two group identifiers for equality.
    `static long` | `gidCurrent(long p)` Get the groupid of the calling process This function is available only if APR_HAS_USER is defined.
    `static String` | `groupname(long groupid, long p)` Get the group name for a specified groupid This function is available only if APR_HAS_USER is defined.
    `static String` | `homepath(String username, long p)` Get the home directory for the named user This function is available only if APR_HAS_USER is defined.
    `static long` | `uid(String username, long p)` Get the userid for the specified username This function is available only if APR_HAS_USER is defined.
    `static int` | `uidcompare(long left, long right)` Compare two user identifiers for equality.
    `static long` | `uidCurrent(long p)` Get the userid (and groupid) of the calling process This function is available only if APR_HAS_USER is defined.
    `static long` | `usergid(String username, long p)` Get the groupid for the specified username This function is available only if APR_HAS_USER is defined.
    `static String` | `username(long userid, long p)` Get the user name for a specified userid This function is available only if APR_HAS_USER is defined.

    - ### Methods inherited from class java.lang.Object

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

- - ### Constructor Detail

    - #### User

          public User()

  - ### Method Detail

    - #### uidCurrent

          public static long uidCurrent(long p)
                                 throws Error

      Get the userid (and groupid) of the calling process This function is available only if APR_HAS_USER is defined.
      Parameters:
        `p` - The pool from which to allocate working space
      Returns:
        Returns the user id
      Throws:
        `Error` - If an error occurred

    - #### gidCurrent

          public static long gidCurrent(long p)
                                 throws Error

      Get the groupid of the calling process This function is available only if APR_HAS_USER is defined.
      Parameters:
        `p` - The pool from which to allocate working space
      Returns:
        Returns the group id
      Throws:
        `Error` - If an error occurred

    - #### uid

          public static long uid(String username,
                 long p)
                          throws Error

      Get the userid for the specified username This function is available only if APR_HAS_USER is defined.
      Parameters:
        `username` - The username to lookup
        `p` - The pool from which to allocate working space
      Returns:
        Returns the user id
      Throws:
        `Error` - If an error occurred

    - #### usergid

          public static long usergid(String username,
                     long p)
                              throws Error

      Get the groupid for the specified username This function is available only if APR_HAS_USER is defined.
      Parameters:
        `username` - The username to lookup
        `p` - The pool from which to allocate working space
      Returns:
        Returns the user's group id
      Throws:
        `Error` - If an error occurred

    - #### gid

          public static long gid(String groupname,
                 long p)
                          throws Error

      Get the groupid for a specified group name This function is available only if APR_HAS_USER is defined.
      Parameters:
        `groupname` - The group name to look up
        `p` - The pool from which to allocate working space
      Returns:
        Returns the user's group id
      Throws:
        `Error` - If an error occurred

    - #### username

          public static String username(long userid,
                        long p)
                                 throws Error

      Get the user name for a specified userid This function is available only if APR_HAS_USER is defined.
      Parameters:
        `userid` - The userid
        `p` - The pool from which to allocate the string
      Returns:
        New string containing user name
      Throws:
        `Error` - If an error occurred

    - #### groupname

          public static String groupname(long groupid,
                         long p)
                                  throws Error

      Get the group name for a specified groupid This function is available only if APR_HAS_USER is defined.
      Parameters:
        `groupid` - The groupid
        `p` - The pool from which to allocate the string
      Returns:
        New string containing group name
      Throws:
        `Error` - If an error occurred

    - #### uidcompare

          public static int uidcompare(long left,
                       long right)

      Compare two user identifiers for equality. This function is available only if APR_HAS_USER is defined.
      Parameters:
        `left` - One uid to test
        `right` - Another uid to test
      Returns:
        APR_SUCCESS if the apr_uid_t structures identify the same user, APR_EMISMATCH if not, APR_BADARG if an apr_uid_t is invalid.

    - #### gidcompare

          public static int gidcompare(long left,
                       long right)

      Compare two group identifiers for equality. This function is available only if APR_HAS_USER is defined.
      Parameters:
        `left` - One gid to test
        `right` - Another gid to test
      Returns:
        APR_SUCCESS if the apr_gid_t structures identify the same group, APR_EMISMATCH if not, APR_BADARG if an apr_gid_t is invalid.

    - #### homepath

          public static String homepath(String username,
                        long p)
                                 throws Error

      Get the home directory for the named user This function is available only if APR_HAS_USER is defined.
      Parameters:
        `username` - The named user
        `p` - The pool from which to allocate the string
      Returns:
        New string containing directory name
      Throws:
        `Error` - If an error occurred

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