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A valid policy tree node resulting from the PKIX certification path validation algorithm.
One of the outputs of the PKIX certification path validation algorithm is a valid policy tree, which includes the policies that were determined to be valid, how this determination was reached, and any policy qualifiers encountered. This tree is of depth n, where n is the length of the certification path that has been validated.
Most applications will not need to examine the valid policy tree.
They can achieve their policy processing goals by setting the
policy-related parameters in PKIXParameters
. However,
the valid policy tree is available for more sophisticated applications,
especially those that process policy qualifiers.
PKIXCertPathValidatorResult.getPolicyTree
returns the root node of the
valid policy tree. The tree can be traversed using the
getChildren
and getParent
methods.
Data about a particular node can be retrieved using other methods of
PolicyNode
.
Concurrent Access
Unless otherwise specified, the methods defined in this class are not thread-safe. Multiple threads that need to access a single object concurrently should synchronize amongst themselves and provide the necessary locking. Multiple threads each manipulating separate objects need not synchronize.
Method Summary | |
Iterator |
getChildren()
Returns an iterator over the children of this node. |
int |
getDepth()
Returns the depth of this node in the valid policy tree. |
Set |
getExpectedPolicies()
Returns the set of expected policies that would satisfy this node's valid policy in the next certificate to be processed. |
PolicyNode |
getParent()
Returns the parent of this node, or null if this is the
root node. |
Set |
getPolicyQualifiers()
Returns the set of policy qualifiers associated with the valid policy represented by this node. |
String |
getValidPolicy()
Returns the valid policy represented by this node. |
boolean |
isCritical()
Returns the criticality indicator of the certificate policy extension in the most recently processed certificate. |
Method Detail |
public PolicyNode getParent()
null
if this is the
root node.null
if this is the
root nodepublic Iterator getChildren()
Iterator
's remove method must throw an
UnsupportedOperationException
.public int getDepth()
public String getValidPolicy()
String
OID of the valid policy
represented by this node. For the root node, this is the
the special value "any-policy".public Set getPolicyQualifiers()
Set
of
PolicyQualifierInfo
s. For the root node, this
is always an empty Set
.public Set getExpectedPolicies()
Set
of expected policy
String
OIDs. For the root node, this is a
Set
with the single value "any-policy".public boolean isCritical()
true
if extension marked critical,
false
otherwise. For the root node, false
is always returned.
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