+++ /dev/null
-package org.bouncycastle.asn1.x509;
-
-import java.math.BigInteger;
-
-import org.bouncycastle.asn1.*;
-
-public class BasicConstraints
- implements DEREncodable
-{
- DERBoolean cA = new DERBoolean(false);
- DERInteger pathLenConstraint = null;
-
- public static BasicConstraints getInstance(
- ASN1TaggedObject obj,
- boolean explicit)
- {
- return getInstance(ASN1Sequence.getInstance(obj, explicit));
- }
-
- public static BasicConstraints getInstance(
- Object obj)
- {
- if (obj instanceof BasicConstraints)
- {
- return (BasicConstraints)obj;
- }
- else if (obj instanceof ASN1Sequence)
- {
- return new BasicConstraints((ASN1Sequence)obj);
- }
-
- throw new IllegalArgumentException("unknown object in factory");
- }
-
- public BasicConstraints(
- ASN1Sequence seq)
- {
- if (seq.size() != 0)
- {
- this.cA = (DERBoolean)seq.getObjectAt(0);
- this.pathLenConstraint = (DERInteger)seq.getObjectAt(1);
- }
- }
-
- public BasicConstraints(
- boolean cA,
- int pathLenConstraint)
- {
- this.cA = new DERBoolean(cA);
- this.pathLenConstraint = new DERInteger(pathLenConstraint);
- }
-
- public BasicConstraints(
- boolean cA)
- {
- this.cA = new DERBoolean(cA);
- this.pathLenConstraint = null;
- }
-
- public boolean isCA()
- {
- return cA.isTrue();
- }
-
- public BigInteger getPathLenConstraint()
- {
- if (pathLenConstraint != null)
- {
- return pathLenConstraint.getValue();
- }
-
- return null;
- }
-
- /**
- * <pre>
- * BasicConstraints := SEQUENCE {
- * cA BOOLEAN DEFAULT FALSE,
- * pathLenConstraint INTEGER (0..MAX) OPTIONAL
- * }
- * </pre>
- */
- public DERObject getDERObject()
- {
- DERConstructedSequence seq = new DERConstructedSequence();
-
- seq.addObject(cA);
-
- if (pathLenConstraint != null)
- {
- seq.addObject(pathLenConstraint);
- }
-
- return seq;
- }
-
- public String toString()
- {
- return "BasicConstraints: isCa(" + this.isCA() + "), pathLenConstraint = " + pathLenConstraint.getValue();
- }
-}