java.lang.Object | |
↳ | sun.security.krb5.Realm |
Implements the ASN.1 Realm type.
Public Constructors | |||||||||||
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Constructs a Realm object.
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Public Methods | |||||||||||
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Encodes a Realm object.
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Creates and returns a copy of this object.
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Indicates whether some other object is "equal to" this one.
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Returns an array of realms that may be traversed to obtain
a TGT from the initiating realm cRealm to the target realm
sRealm.
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Returns a hash code value for the object.
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Parse (unmarshal) a realm from a DER input stream.
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Returns a string representation of the object.
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Protected Methods | |||||||||||
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[Expand]
Inherited Methods | |||||||||||
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Constructs a Realm object.
encoding | a Der-encoded data. |
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Asn1Exception | if an error occurs while decoding an ASN1 encoded data. |
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IOException | if an I/O error occurs while reading encoded data. |
RealmException | if an error occurs while parsing a Realm object. |
Encodes a Realm object.
Asn1Exception | if an error occurs while decoding an ASN1 encoded data. |
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IOException | if an I/O error occurs while reading encoded data. |
Creates and returns a copy of this object. The precise meaning of "copy" may depend on the class of the object. The general intent is that, for any object x, the expression:
will be true, and that the expression:x.clone() != x
will be true, but these are not absolute requirements. While it is typically the case that:x.clone().getClass() == x.getClass()
will be true, this is not an absolute requirement.x.clone().equals(x)
By convention, the returned object should be obtained by calling super.clone. If a class and all of its superclasses (except Object) obey this convention, it will be the case that x.clone().getClass() == x.getClass().
By convention, the object returned by this method should be independent of this object (which is being cloned). To achieve this independence, it may be necessary to modify one or more fields of the object returned by super.clone before returning it. Typically, this means copying any mutable objects that comprise the internal "deep structure" of the object being cloned and replacing the references to these objects with references to the copies. If a class contains only primitive fields or references to immutable objects, then it is usually the case that no fields in the object returned by super.clone need to be modified.
The method clone for class Object performs a specific cloning operation. First, if the class of this object does not implement the interface Cloneable, then a CloneNotSupportedException is thrown. Note that all arrays are considered to implement the interface Cloneable. Otherwise, this method creates a new instance of the class of this object and initializes all its fields with exactly the contents of the corresponding fields of this object, as if by assignment; the contents of the fields are not themselves cloned. Thus, this method performs a "shallow copy" of this object, not a "deep copy" operation.
The class Object does not itself implement the interface Cloneable, so calling the clone method on an object whose class is Object will result in throwing an exception at run time.
Indicates whether some other object is "equal to" this one.
The equals
method implements an equivalence relation
on non-null object references:
x
, x.equals(x)
should return
true
.
x
and y
, x.equals(y)
should return true
if and only if
y.equals(x)
returns true
.
x
, y
, and z
, if
x.equals(y)
returns true
and
y.equals(z)
returns true
, then
x.equals(z)
should return true
.
x
and y
, multiple invocations of
x.equals(y) consistently return true
or consistently return false
, provided no
information used in equals
comparisons on the
objects is modified.
x
,
x.equals(null)
should return false
.
The equals method for class Object
implements
the most discriminating possible equivalence relation on objects;
that is, for any non-null reference values x
and
y
, this method returns true
if and only
if x
and y
refer to the same object
(x == y
has the value true
).
Note that it is generally necessary to override the hashCode method whenever this method is overridden, so as to maintain the general contract for the hashCode method, which states that equal objects must have equal hash codes.
obj | the reference object with which to compare. |
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true
if this object is the same as the obj
argument; false
otherwise.Returns an array of realms that may be traversed to obtain
a TGT from the initiating realm cRealm to the target realm
sRealm.
There may be an arbitrary number of intermediate realms
between cRealm and sRealm. The realms may be organized
organized hierarchically, or the paths between them may be
specified in the [capaths] stanza of the caller's
Kerberos configuration file. The configuration file is consulted
first. Then a hirarchical organization is assumed if no realms
are found in the configuration file.
The returned list, if not null, contains cRealm as the first
entry. sRealm is not included unless it is mistakenly listed
in the configuration file as an intermediary realm.
cRealm | the initiating realm |
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sRealm | the target realm |
KrbException |
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Returns a hash code value for the object. This method is
supported for the benefit of hashtables such as those provided by
java.util.Hashtable
.
The general contract of hashCode
is:
hashCode
method on each of
the two objects must produce the same integer result.
equals(java.lang.Object)
method, then calling the hashCode method on each of the
two objects must produce distinct integer results. However, the
programmer should be aware that producing distinct integer results
for unequal objects may improve the performance of hashtables.
As much as is reasonably practical, the hashCode method defined by class Object does return distinct integers for distinct objects. (This is typically implemented by converting the internal address of the object into an integer, but this implementation technique is not required by the JavaTM programming language.)
Parse (unmarshal) a realm from a DER input stream. This form parsing might be used when expanding a value which is part of a constructed sequence and uses explicitly tagged type.
data | the Der input stream value, which contains one or more marshaled value. |
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explicitTag | tag number. |
optional | indicate if this data field is optional |
Asn1Exception | on error. |
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IOException | |
RealmException |
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())