Package org.bouncycastle.asn1.x509

## Class Extensions

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

- All Implemented Interfaces:
    `ASN1Encodable`, `Encodable`

      public class Extensions
      extends ASN1Object

           Extensions        ::=   SEQUENCE SIZE (1..MAX) OF Extension

           Extension         ::=   SEQUENCE {
              extnId            EXTENSION.&id ({ExtensionSet}),
              critical          BOOLEAN DEFAULT FALSE,
              extnValue         OCTET STRING }

- - ### Constructor Summary

    Constructors
    Constructor | Description
    --- | ---
    `Extensions​(Extension extension)` | Base Constructor
    `Extensions​(Extension[] extensions)` | Base Constructor

  - ### Method Summary

    All Methods Static Methods Instance Methods Concrete Methods
    Modifier and Type | Method | Description
    --- | --- | ---
    `boolean` | `equivalent​(Extensions other)` |
    `ASN1ObjectIdentifier[]` | `getCriticalExtensionOIDs()` |
    `Extension` | `getExtension​(ASN1ObjectIdentifier oid)` | return the extension represented by the object identifier passed in.
    `static Extension` | `getExtension​(Extensions extensions, ASN1ObjectIdentifier oid)` |
    `ASN1ObjectIdentifier[]` | `getExtensionOIDs()` |
    `ASN1Encodable` | `getExtensionParsedValue​(ASN1ObjectIdentifier oid)` | return the parsed value of the extension represented by the object identifier passed in.
    `static ASN1Encodable` | `getExtensionParsedValue​(Extensions extensions, ASN1ObjectIdentifier oid)` |
    `static Extensions` | `getInstance​(java.lang.Object obj)` |
    `static Extensions` | `getInstance​(ASN1TaggedObject obj, boolean explicit)` |
    `ASN1ObjectIdentifier[]` | `getNonCriticalExtensionOIDs()` |
    `java.util.Enumeration` | `oids()` | return an Enumeration of the extension field's object ids.
    `ASN1Primitive` | `toASN1Primitive()` | Extensions ::= SEQUENCE SIZE (1..MAX) OF Extension Extension ::= SEQUENCE { extnId EXTENSION.&id ({ExtensionSet}), critical BOOLEAN DEFAULT FALSE, extnValue OCTET STRING }

    - ### 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

    - #### Extensions

          public Extensions​(Extension extension)

      Base Constructor
      Parameters:
        `extension` - a single extension.

    - #### Extensions

          public Extensions​(Extension[] extensions)

      Base Constructor
      Parameters:
        `extensions` - an array of extensions.

  - ### Method Detail

    - #### getExtension

          public static Extension getExtension​(Extensions extensions,
                                               ASN1ObjectIdentifier oid)

    - #### getExtensionParsedValue

          public static ASN1Encodable getExtensionParsedValue​(Extensions extensions,
                                                              ASN1ObjectIdentifier oid)

    - #### getInstance

          public static Extensions getInstance​(ASN1TaggedObject obj,
                                               boolean explicit)

    - #### getInstance

          public static Extensions getInstance​(java.lang.Object obj)

    - #### oids

          public java.util.Enumeration oids()

      return an Enumeration of the extension field's object ids.

    - #### getExtension

          public Extension getExtension​(ASN1ObjectIdentifier oid)

      return the extension represented by the object identifier passed in.
      Returns:
        the extension if it's present, null otherwise.

    - #### getExtensionParsedValue

          public ASN1Encodable getExtensionParsedValue​(ASN1ObjectIdentifier oid)

      return the parsed value of the extension represented by the object identifier passed in.
      Returns:
        the parsed value of the extension if it's present, null otherwise.

    - #### toASN1Primitive

          public ASN1Primitive toASN1Primitive()

               Extensions        ::=   SEQUENCE SIZE (1..MAX) OF Extension

               Extension         ::=   SEQUENCE {
                  extnId            EXTENSION.&id ({ExtensionSet}),
                  critical          BOOLEAN DEFAULT FALSE,
                  extnValue         OCTET STRING }

      Specified by:
        `toASN1Primitive` in interface `ASN1Encodable`
      Specified by:
        `toASN1Primitive` in class `ASN1Object`
      Returns:
        a primitive representation of this object.

    - #### equivalent

          public boolean equivalent​(Extensions other)

    - #### getExtensionOIDs

          public ASN1ObjectIdentifier[] getExtensionOIDs()

    - #### getNonCriticalExtensionOIDs

          public ASN1ObjectIdentifier[] getNonCriticalExtensionOIDs()

    - #### getCriticalExtensionOIDs

          public ASN1ObjectIdentifier[] getCriticalExtensionOIDs()