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javax.security.auth.kerberos
Class KerberosPrincipal
java.lang.Object
javax.security.auth.kerberos.KerberosPrincipal
-
All Implemented Interfaces:
-
Serializable
,
Principal
-
public final class KerberosPrincipal
- extends Object
- implements Principal, Serializable
This class encapsulates a Kerberos principal.
-
Since:
-
1.4
-
See Also:
-
Serialized Form
Constructor Summary
|
KerberosPrincipal
(
String
name)
Constructs a KerberosPrincipal from the provided string input. |
KerberosPrincipal
(
String
name, int nameType)
Constructs a KerberosPrincipal from the provided string and name type input. |
Method Summary
|
boolean |
equals
(
Object
other)
Compares the specified Object with this Principal for equality. |
String
|
getName
()
The returned string corresponds to the single-string representation of a Kerberos Principal name as specified in Section 2.1 of
RFC 1964
. |
int |
getNameType
()
Returns the name type of the KerberosPrincipal. |
String
|
getRealm
()
Returns the realm component of this Kerberos principal. |
int |
hashCode
()
Returns a hashcode for this principal. |
String
|
toString
()
Returns a string representation of the object. |
KRB_NT_UNKNOWN
public static final int KRB_NT_UNKNOWN
-
unknown name type.
-
See Also:
-
Constant Field Values
KRB_NT_PRINCIPAL
public static final int KRB_NT_PRINCIPAL
-
user principal name type.
-
See Also:
-
Constant Field Values
KRB_NT_SRV_INST
public static final int KRB_NT_SRV_INST
-
service and other unique instance (krbtgt) name type.
-
See Also:
-
Constant Field Values
KRB_NT_SRV_HST
public static final int KRB_NT_SRV_HST
-
service with host name as instance (telnet, rcommands) name type.
-
See Also:
-
Constant Field Values
KRB_NT_SRV_XHST
public static final int KRB_NT_SRV_XHST
-
service with host as remaining components name type.
-
See Also:
-
Constant Field Values
KRB_NT_UID
public static final int KRB_NT_UID
-
unique ID name type.
-
See Also:
-
Constant Field Values
KerberosPrincipal
public KerberosPrincipal(String name)
-
Constructs a KerberosPrincipal from the provided string input. The name type for this principal defaults to
KRB_NT_PRINCIPAL
This string is assumed to contain a name in the format that is specified in Section 2.1.1. (Kerberos Principal Name Form) of
RFC 1964
(for example,
duke@FOO.COM
, where
duke
represents a principal, and
FOO.COM
represents a realm).
If the input name does not contain a realm, the default realm is used. The default realm can be specified either in a Kerberos configuration file or via the java.security.krb5.realm system property. For more information,
Kerberos Requirements
Kerberos Requirements
-
Parameters:
-
name - the principal name
-
Throws:
-
IllegalArgumentException
- if name is improperly formatted, if name is null, or if name does not contain the realm to use and the default realm is not specified in either a Kerberos configuration file or via the java.security.krb5.realm system property.
KerberosPrincipal
public KerberosPrincipal(String name,
int nameType)
-
Constructs a KerberosPrincipal from the provided string and name type input. The string is assumed to contain a name in the format that is specified in Section 2.1 (Mandatory Name Forms) of
RFC 1964
. Valid name types are specified in Section 7.2 (Principal Names) of
RFC 1510
. The input name must be consistent with the provided name type. (for example,
duke@FOO.COM
, is a valid input string for the name type, KRB_NT_PRINCIPAL where
duke
represents a principal, and
FOO.COM
represents a realm).
If the input name does not contain a realm, the default realm is used. The default realm can be specified either in a Kerberos configuration file or via the java.security.krb5.realm system property. For more information, see
Kerberos Requirements
Kerberos Requirements
.
-
Parameters:
-
name - the principal name
-
nameType - the name type of the principal
-
Throws:
-
IllegalArgumentException
- if name is improperly formatted, if name is null, if the nameType is not supported, or if name does not contain the realm to use and the default realm is not specified in either a Kerberos configuration file or via the java.security.krb5.realm system property.
getRealm
public String getRealm()
-
Returns the realm component of this Kerberos principal.
-
-
-
Returns:
-
the realm component of this Kerberos principal.
hashCode
public int hashCode()
-
Returns a hashcode for this principal. The hash code is defined to be the result of the following calculation:
hashCode = getName().hashCode();
-
-
Specified by:
-
hashCode
in interface
Principal
-
Overrides:
-
hashCode
in class
Object
-
-
Returns:
-
a hashCode() for the KerberosPrincipal
-
See Also:
-
Object.equals(java.lang.Object)
,
Hashtable
equals
public boolean equals(Object other)
-
Compares the specified Object with this Principal for equality. Returns true if the given object is also a KerberosPrincipal and the two KerberosPrincipal instances are equivalent. More formally two KerberosPrincipal instances are equal if the values returned by getName() are equal and the values returned by getNameType() are equal.
-
-
Specified by:
-
equals
in interface
Principal
-
Overrides:
-
equals
in class
Object
-
-
Parameters:
-
other - the Object to compare to
-
Returns:
-
true if the Object passed in represents the same principal as this one, false otherwise.
-
See Also:
-
Object.hashCode()
,
Hashtable
getName
public String getName()
-
The returned string corresponds to the single-string representation of a Kerberos Principal name as specified in Section 2.1 of
RFC 1964
.
-
-
Specified by:
-
getName
in interface
Principal
-
-
Returns:
-
the principal name.
getNameType
public int getNameType()
-
Returns the name type of the KerberosPrincipal. Valid name types are specified in Section 7.2 of
RFC1510
.
-
-
-
Returns:
-
the name type.
toString
public String toString()
-
Description copied from class:
Object
-
Returns a string representation of the object. In general, the toString method returns a string that "textually represents" this object. The result should be a concise but informative representation that is easy for a person to read. It is recommended that all subclasses override this method.
The toString method for class Object returns a string consisting of the name of the class of which the object is an instance, the at-sign character `@', and the unsigned hexadecimal representation of the hash code of the object. In other words, this method returns a string equal to the value of:
getClass().getName() + '@' + Integer.toHexString(hashCode())
-
-
Specified by:
-
toString
in interface
Principal
-
Overrides:
-
toString
in class
Object
-
-
Returns:
-
a string representation of the object.