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Added in API level 1

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X509CRLSelector

public class X509CRLSelector
extends Object implements CRLSelector

java.lang.Object
↳	java.security.cert.X509CRLSelector

A CRLSelector that selects X509CRLs that match all specified criteria. This class is particularly useful when selecting CRLs from a CertStore to check revocation status of a particular certificate.

When first constructed, an X509CRLSelector has no criteria enabled and each of the get methods return a default value (null). Therefore, the match method would return true for any X509CRL. Typically, several criteria are enabled (by calling setIssuers or setDateAndTime, for instance) and then the X509CRLSelector is passed to CertStore.getCRLs or some similar method.

Please refer to RFC 3280: Internet X.509 Public Key Infrastructure Certificate and CRL Profile for definitions of the X.509 CRL fields and extensions mentioned below.

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.

See also:

CRLSelector
X509CRL

Summary

Public constructors
`X509CRLSelector()` Creates an `X509CRLSelector`.

Public methods
`void`	`addIssuer(X500Principal issuer)` Adds a name to the issuerNames criterion.
`void`	`addIssuerName(byte[] name)` Adds a name to the issuerNames criterion.
`void`	`addIssuerName(String name)` Denigrated, use addIssuer(X500Principal) or addIssuerName(byte[]) instead.
`Object`	`clone()` Returns a copy of this object.
`X509Certificate`	`getCertificateChecking()` Returns the certificate being checked.
`Date`	`getDateAndTime()` Returns the dateAndTime criterion.
`Collection<Object>`	`getIssuerNames()` Returns a copy of the issuerNames criterion.
`Collection<X500Principal>`	`getIssuers()` Returns the issuerNames criterion.
`BigInteger`	`getMaxCRL()` Returns the maxCRLNumber criterion.
`BigInteger`	`getMinCRL()` Returns the minCRLNumber criterion.
`boolean`	`match(CRL crl)` Decides whether a `CRL` should be selected.
`void`	`setCertificateChecking(X509Certificate cert)` Sets the certificate being checked.
`void`	`setDateAndTime(Date dateAndTime)` Sets the dateAndTime criterion.
`void`	`setIssuerNames(Collection<?> names)` Note: use setIssuers(Collection) instead or only specify the byte array form of distinguished names when using this method.
`void`	`setIssuers(Collection<X500Principal> issuers)` Sets the issuerNames criterion.
`void`	`setMaxCRLNumber(BigInteger maxCRL)` Sets the maxCRLNumber criterion.
`void`	`setMinCRLNumber(BigInteger minCRL)` Sets the minCRLNumber criterion.
`String`	`toString()` Returns a printable representation of the `X509CRLSelector`.

Inherited methods

From class


  
    java.lang.Object

`Object`	`clone()` Creates and returns a copy of this object.
`boolean`	`equals(Object obj)` Indicates whether some other object is "equal to" this one.
`void`	`finalize()` Called by the garbage collector on an object when garbage collection determines that there are no more references to the object.
`final Class<?>`	`getClass()` Returns the runtime class of this `Object`.
`int`	`hashCode()` Returns a hash code value for the object.
`final void`	`notify()` Wakes up a single thread that is waiting on this object's monitor.
`final void`	`notifyAll()` Wakes up all threads that are waiting on this object's monitor.
`String`	`toString()` Returns a string representation of the object.
`final void`	`wait(long millis, int nanos)` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object, or some other thread interrupts the current thread, or a certain amount of real time has elapsed.
`final void`	`wait(long millis)` Causes the current thread to wait until either another thread invokes the `notify()` method or the `notifyAll()` method for this object, or a specified amount of time has elapsed.
`final void`	`wait()` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object.

From interface


  
    java.security.cert.CRLSelector

Public constructors

X509CRLSelector

Added in API level 1

X509CRLSelector ()

Creates an X509CRLSelector. Initially, no criteria are set so any X509CRL will match.

Public methods

addIssuer

Added in API level 1

void addIssuer (X500Principal issuer)

Adds a name to the issuerNames criterion. The issuer distinguished name in the X509CRL must match at least one of the specified distinguished names.

Parameters
`issuer`	`X500Principal`: the issuer as X500Principal

addIssuerName

Added in API level 1

void addIssuerName (byte[] name)

Adds a name to the issuerNames criterion. The issuer distinguished name in the X509CRL must match at least one of the specified distinguished names.

This method allows the caller to add a name to the set of issuer names which X509CRLs may contain. The specified name is added to any previous value for the issuerNames criterion. If the specified name is a duplicate, it may be ignored. If a name is specified as a byte array, it should contain a single DER encoded distinguished name, as defined in X.501. The ASN.1 notation for this structure is as follows.

The name is provided as a byte array. This byte array should contain a single DER encoded distinguished name, as defined in X.501. The ASN.1 notation for this structure appears in the documentation for setIssuerNames(Collection names).

Note that the byte array supplied here is cloned to protect against subsequent modifications.

Parameters
`name`	`byte`: a byte array containing the name in ASN.1 DER encoded form

Throws
`IOException`	if a parsing error occurs

addIssuerName

Added in API level 1

void addIssuerName (String name)

Denigrated, use addIssuer(X500Principal) or addIssuerName(byte[]) instead. This method should not be relied on as it can fail to match some CRLs because of a loss of encoding information in the RFC 2253 String form of some distinguished names.

Adds a name to the issuerNames criterion. The issuer distinguished name in the X509CRL must match at least one of the specified distinguished names.

Parameters
`name`	`String`: the name in RFC 2253 form

Throws
`IOException`	if a parsing error occurs

clone

Added in API level 1

Object clone ()

Returns a copy of this object.

Returns
`Object`	the copy

getCertificateChecking

Added in API level 1

X509Certificate getCertificateChecking ()

Returns the certificate being checked. This is not a criterion. Rather, it is optional information that may help a CertStore find CRLs that would be relevant when checking revocation for the specified certificate. If the value returned is null, then no such optional information is provided.

Returns
`X509Certificate`	the certificate being checked (or `null`)

See also:

setCertificateChecking(X509Certificate)

getDateAndTime

Added in API level 1

Date getDateAndTime ()

Returns the dateAndTime criterion. The specified date must be equal to or later than the value of the thisUpdate component of the X509CRL and earlier than the value of the nextUpdate component. There is no match if the X509CRL does not contain a nextUpdate component. If null, no dateAndTime check will be done.

Note that the Date returned is cloned to protect against subsequent modifications.

Returns
`Date`	the `Date` to match against (or `null`)

See also:

setDateAndTime(Date)

getIssuerNames

Added in API level 1

Collection<Object> getIssuerNames ()

Returns a copy of the issuerNames criterion. The issuer distinguished name in the X509CRL must match at least one of the specified distinguished names. If the value returned is null, any issuer distinguished name will do.

If the value returned is not null, it is a Collection of names. Each name is a String or a byte array representing a distinguished name (in RFC 2253 or ASN.1 DER encoded form, respectively). Note that the Collection returned may contain duplicate names.

If a name is specified as a byte array, it should contain a single DER encoded distinguished name, as defined in X.501. The ASN.1 notation for this structure is given in the documentation for setIssuerNames(Collection names).

Note that a deep copy is performed on the Collection to protect against subsequent modifications.

Returns
`Collection<Object>`	a `Collection` of names (or `null`)

See also:

setIssuerNames(Collection)

getIssuers

Added in API level 1

Collection<X500Principal> getIssuers ()

Returns the issuerNames criterion. The issuer distinguished name in the X509CRL must match at least one of the specified distinguished names. If the value returned is null, any issuer distinguished name will do.

If the value returned is not null, it is a unmodifiable Collection of X500Principals.

Returns
`Collection<X500Principal>`	an unmodifiable `Collection` of names (or `null`)

See also:

setIssuers(Collection)

getMaxCRL

Added in API level 1

BigInteger getMaxCRL ()

Returns the maxCRLNumber criterion. The X509CRL must have a CRL number extension whose value is less than or equal to the specified value. If null, no maxCRLNumber check will be done.

Returns
`BigInteger`	the maximum CRL number accepted (or `null`)

getMinCRL

Added in API level 1

BigInteger getMinCRL ()

Returns the minCRLNumber criterion. The X509CRL must have a CRL number extension whose value is greater than or equal to the specified value. If null, no minCRLNumber check will be done.

Returns
`BigInteger`	the minimum CRL number accepted (or `null`)

match

Added in API level 1

boolean match (CRL crl)

Decides whether a CRL should be selected.

Parameters
`crl`	`CRL`: the `CRL` to be checked

Returns
`boolean`	`true` if the `CRL` should be selected, `false` otherwise

setCertificateChecking

Added in API level 1

void setCertificateChecking (X509Certificate cert)

Sets the certificate being checked. This is not a criterion. Rather, it is optional information that may help a CertStore find CRLs that would be relevant when checking revocation for the specified certificate. If null is specified, then no such optional information is provided.

Parameters
`cert`	`X509Certificate`: the `X509Certificate` being checked (or `null`)

See also:

getCertificateChecking()

setDateAndTime

Added in API level 1

void setDateAndTime (Date dateAndTime)

Sets the dateAndTime criterion. The specified date must be equal to or later than the value of the thisUpdate component of the X509CRL and earlier than the value of the nextUpdate component. There is no match if the X509CRL does not contain a nextUpdate component. If null, no dateAndTime check will be done.

Note that the Date supplied here is cloned to protect against subsequent modifications.

Parameters
`dateAndTime`	`Date`: the `Date` to match against (or `null`)

See also:

getDateAndTime()

setIssuerNames

Added in API level 1

void setIssuerNames (Collection<?> names)

Note: use setIssuers(Collection) instead or only specify the byte array form of distinguished names when using this method. See addIssuerName(String) for more information.

Sets the issuerNames criterion. The issuer distinguished name in the X509CRL must match at least one of the specified distinguished names. If null, any issuer distinguished name will do.

This method allows the caller to specify, with a single method call, the complete set of issuer names which X509CRLs may contain. The specified value replaces the previous value for the issuerNames criterion.

The names parameter (if not null) is a Collection of names. Each name is a String or a byte array representing a distinguished name (in RFC 2253 or ASN.1 DER encoded form, respectively). If null is supplied as the value for this argument, no issuerNames check will be performed.

Note that the names parameter can contain duplicate distinguished names, but they may be removed from the Collection of names returned by the getIssuerNames method.

If a name is specified as a byte array, it should contain a single DER encoded distinguished name, as defined in X.501. The ASN.1 notation for this structure is as follows.


 Name ::= CHOICE {
   RDNSequence }

 RDNSequence ::= SEQUENCE OF RelativeDistinguishedName

 RelativeDistinguishedName ::=
   SET SIZE (1 .. MAX) OF AttributeTypeAndValue

 AttributeTypeAndValue ::= SEQUENCE {
   type     AttributeType,
   value    AttributeValue }

 AttributeType ::= OBJECT IDENTIFIER

 AttributeValue ::= ANY DEFINED BY AttributeType
 ....
 DirectoryString ::= CHOICE {
       teletexString           TeletexString (SIZE (1..MAX)),
       printableString         PrintableString (SIZE (1..MAX)),
       universalString         UniversalString (SIZE (1..MAX)),
       utf8String              UTF8String (SIZE (1.. MAX)),
       bmpString               BMPString (SIZE (1..MAX)) }

Note that a deep copy is performed on the Collection to protect against subsequent modifications.

Parameters
`names`	`Collection`: a `Collection` of names (or `null`)

Throws
`IOException`	if a parsing error occurs

See also:

getIssuerNames()

setIssuers

Added in API level 1

void setIssuers (Collection<X500Principal> issuers)

Sets the issuerNames criterion. The issuer distinguished name in the X509CRL must match at least one of the specified distinguished names. If null, any issuer distinguished name will do.

The names parameter (if not null) is a Collection of X500Principals.

Note that the names parameter can contain duplicate distinguished names, but they may be removed from the Collection of names returned by the getIssuers method.

Note that a copy is performed on the Collection to protect against subsequent modifications.

Parameters
`issuers`	`Collection`: a `Collection` of X500Principals (or `null`)

See also:

getIssuers()

setMaxCRLNumber

Added in API level 1

void setMaxCRLNumber (BigInteger maxCRL)

Sets the maxCRLNumber criterion. The X509CRL must have a CRL number extension whose value is less than or equal to the specified value. If null, no maxCRLNumber check will be done.

Parameters
`maxCRL`	`BigInteger`: the maximum CRL number accepted (or `null`)

setMinCRLNumber

Added in API level 1

void setMinCRLNumber (BigInteger minCRL)

Sets the minCRLNumber criterion. The X509CRL must have a CRL number extension whose value is greater than or equal to the specified value. If null, no minCRLNumber check will be done.

Parameters
`minCRL`	`BigInteger`: the minimum CRL number accepted (or `null`)

toString

Added in API level 1

String toString ()

Returns a printable representation of the X509CRLSelector.

Returns
`String`	a `String` describing the contents of the `X509CRLSelector`.

Interfaces

Classes

Enums

Exceptions

Most visited

Recently visited

Results for

X509CRLSelector

Summary

Public constructors

Public methods

Inherited methods

Public constructors

X509CRLSelector

Public methods

addIssuer

addIssuerName

addIssuerName

clone

getCertificateChecking

getDateAndTime

getIssuerNames

getIssuers

getMaxCRL

getMinCRL

match

setCertificateChecking

setDateAndTime

setIssuerNames

setIssuers

setMaxCRLNumber

setMinCRLNumber

toString