Package org.bouncycastle.asn1.x509

## Class BasicConstraints

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

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

      public class BasicConstraints
      extends ASN1Object

- - ### Constructor Summary

    Constructors
    Constructor | Description
    --- | ---
    `BasicConstraints​(boolean cA)` |
    `BasicConstraints​(int pathLenConstraint)` | create a cA=true object for the given path length constraint.

  - ### Method Summary

    All Methods Static Methods Instance Methods Concrete Methods
    Modifier and Type | Method | Description
    --- | --- | ---
    `static BasicConstraints` | `fromExtensions​(Extensions extensions)` |
    `static BasicConstraints` | `getInstance​(java.lang.Object obj)` |
    `static BasicConstraints` | `getInstance​(ASN1TaggedObject obj, boolean explicit)` |
    `java.math.BigInteger` | `getPathLenConstraint()` |
    `boolean` | `isCA()` |
    `ASN1Primitive` | `toASN1Primitive()` | Produce an object suitable for an ASN1OutputStream.
    `java.lang.String` | `toString()` |

    - ### 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, wait, wait, wait`

- - ### Constructor Detail

    - #### BasicConstraints

          public BasicConstraints​(boolean cA)

    - #### BasicConstraints

          public BasicConstraints​(int pathLenConstraint)

      create a cA=true object for the given path length constraint.
      Parameters:
        `pathLenConstraint` -

  - ### Method Detail

    - #### getInstance

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

    - #### getInstance

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

    - #### fromExtensions

          public static BasicConstraints fromExtensions​(Extensions extensions)

    - #### isCA

          public boolean isCA()

    - #### getPathLenConstraint

          public java.math.BigInteger getPathLenConstraint()

    - #### toASN1Primitive

          public ASN1Primitive toASN1Primitive()

      Produce an object suitable for an ASN1OutputStream.

           BasicConstraints := SEQUENCE {
              cA                  BOOLEAN DEFAULT FALSE,
              pathLenConstraint   INTEGER (0..MAX) OPTIONAL
           }

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

    - #### toString

          public java.lang.String toString()

      Overrides:
        `toString` in class `java.lang.Object`