PolicyMappings (Bouncy Castle Library 1.85 API Specification)
Date: 2026-07-12

org.bouncycastle.asn1.x509

## Class PolicyMappings

- java.lang.Object
- - org.bouncycastle.asn1.ASN1Object
  - - org.bouncycastle.asn1.x509.PolicyMappings

- All Implemented Interfaces:
    ASN1Encodable, Encodable

      public class PolicyMappings
      extends ASN1Object

  PolicyMappings V3 extension, described in RFC3280.

          PolicyMappings ::= SEQUENCE SIZE (1..MAX) OF SEQUENCE {
            issuerDomainPolicy      CertPolicyId,
            subjectDomainPolicy     CertPolicyId }

  See Also:
    RFC 3280, section 4.2.1.6

- - ### Constructor Summary

    Constructors
    Constructor and Description
    `PolicyMappings(CertPolicyId[] issuerDomainPolicy, CertPolicyId[] subjectDomainPolicy)`
    `PolicyMappings(CertPolicyId issuerDomainPolicy, CertPolicyId subjectDomainPolicy)`
    `PolicyMappings(java.util.Hashtable mappings)` Deprecated. use CertPolicyId constructors.

  - ### Method Summary

    All Methods Static Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `static PolicyMappings` | `getInstance(java.lang.Object obj)`
    `ASN1Primitive` | `toASN1Primitive()` Method providing a primitive representation of this object suitable for encoding.

    - ### Methods inherited from class org.bouncycastle.asn1.ASN1Object

      `encodeTo, encodeTo, equals, getEncoded, getEncoded, hasEncodedTagValue, hashCode`

    - ### Methods inherited from class java.lang.Object

      `clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait`

- - ### Constructor Detail

    - #### PolicyMappings

          public PolicyMappings(java.util.Hashtable mappings)

      Deprecated. use CertPolicyId constructors.
      Creates a new `PolicyMappings` instance.
      Parameters:
        `mappings` - a `HashMap` value that maps `String` oids to other `String` oids.

    - #### PolicyMappings

          public PolicyMappings(CertPolicyId issuerDomainPolicy,
                                CertPolicyId subjectDomainPolicy)

    - #### PolicyMappings

          public PolicyMappings(CertPolicyId[] issuerDomainPolicy,
                                CertPolicyId[] subjectDomainPolicy)

  - ### Method Detail

    - #### getInstance

          public static PolicyMappings getInstance(java.lang.Object obj)

    - #### toASN1Primitive

          public ASN1Primitive toASN1Primitive()

      Description copied from class: `ASN1Object`
      Method providing a primitive representation of this object suitable for encoding.
      Specified by:
        `toASN1Primitive` in interface `ASN1Encodable`
      Specified by:
        `toASN1Primitive` in class `ASN1Object`
      Returns:
        a primitive representation of this object.