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Principal (Java Platform SE 6) - JDK 5 Documentation v6.0, Java 2 SDK 英文文档


Java™ Platform
Standard Ed. 6

java.security
Interface Principal

All Known Subinterfaces:
Group
All Known Implementing Classes:
Identity, IdentityScope, JMXPrincipal, KerberosPrincipal, Signer, X500Principal

public interface Principal

This interface represents the abstract notion of a principal, which can be used to represent any entity, such as an individual, a corporation, and a login id.

See Also:
X509Certificate

Method Summary
 boolean equals(Object another)
          Compares this principal to the specified object.
 String getName()
          Returns the name of this principal.
 int hashCode()
          Returns a hashcode for this principal.
 String toString()
          Returns a string representation of this principal.
 

Method Detail

equals

boolean equals(Object another)
Compares this principal to the specified object. Returns true if the object passed in matches the principal represented by the implementation of this interface.

Overrides:
equals in class Object
Parameters:
another - principal to compare with.
Returns:
true if the principal passed in is the same as that encapsulated by this principal, and false otherwise.
See Also:
Object.hashCode(), Hashtable

toString

String toString()
Returns a string representation of this principal.

Overrides:
toString in class Object
Returns:
a string representation of this principal.

hashCode

int hashCode()
Returns a hashcode for this principal.

Overrides:
hashCode in class Object
Returns:
a hashcode for this principal.
See Also:
Object.equals(java.lang.Object), Hashtable

getName

String getName()
Returns the name of this principal.

Returns:
the name of this principal.

Java™ Platform
Standard Ed. 6

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For further API reference and developer documentation, see Java SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.

Copyright 2006 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms. Also see the documentation redistribution policy.