UnixPrincipal (Java Authentication and Authorization Service ) - JDK 5 Documentation v6.0, Java 2 SDK 英文文档

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com.sun.security.auth
Class UnixPrincipal

java.lang.Object
  com.sun.security.auth.UnixPrincipal

All Implemented Interfaces:: Serializable, Principal

public class UnixPrincipal
extends Object
implements Principal, Serializable
extends Object
implements Principal, Serializable

This class implements the Principal interface and represents a Unix user.

Principals such as this UnixPrincipal may be associated with a particular Subject to augment that Subject with an additional identity. Refer to the Subject class for more information on how to achieve this. Authorization decisions can then be based upon the Principals associated with a Subject.

See Also:: Principal, Subject, Serialized Form

Constructor Summary

UnixPrincipal(String name)
          Create a UnixPrincipal with a Unix username.

Method Summary

boolean equals(Object o)
          Compares the specified Object with this UnixPrincipal for equality.

String getName()
          Return the Unix username for this UnixPrincipal.

int hashCode()
          Return a hash code for this UnixPrincipal.

String toString()
          Return a string representation of this UnixPrincipal.

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Summary
`UnixPrincipal(String name)` Create a UnixPrincipal with a Unix username.

Method Summary
`boolean`	`equals(Object o)` Compares the specified Object with this `UnixPrincipal` for equality.
`String`	`getName()` Return the Unix username for this `UnixPrincipal`.
`int`	`hashCode()` Return a hash code for this `UnixPrincipal`.
`String`	`toString()` Return a string representation of this `UnixPrincipal`.

Methods inherited from class java.lang.Object
`clone, finalize, getClass, notify, notifyAll, wait, wait, wait`

Constructor Detail

UnixPrincipal

public UnixPrincipal(String name)

Create a UnixPrincipal with a Unix username.

Parameters:: name - the Unix username for this user.
Throws:: NullPointerException - if the name is null.

Method Detail

getName

public String getName()

Return the Unix username for this UnixPrincipal.

Specified by:: getName in interface Principal

Returns:: the Unix username for this UnixPrincipal

toString

public String toString()

Return a string representation of this UnixPrincipal.

Specified by:: toString in interface Principal
Overrides:: toString in class Object

Returns:: a string representation of this UnixPrincipal.

equals

public boolean equals(Object o)

Compares the specified Object with this UnixPrincipal for equality. Returns true if the given object is also a UnixPrincipal and the two UnixPrincipals have the same username.

Specified by:: equals in interface Principal
Overrides:: equals in class Object

Parameters:: o - Object to be compared for equality with this UnixPrincipal.
Returns:: true if the specified Object is equal equal to this UnixPrincipal.

hashCode

public int hashCode()

Return a hash code for this UnixPrincipal.

Specified by:: hashCode in interface Principal
Overrides:: hashCode in class Object

Returns:: a hash code for this UnixPrincipal.