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BasicConstraints.javaAPI DocAzureus 3.0.3.43597Tue Jun 08 05:12:56 BST 2004org.bouncycastle.asn1.x509

BasicConstraints

public class BasicConstraints extends org.bouncycastle.asn1.ASN1Encodable

Fields Summary
org.bouncycastle.asn1.DERBoolean
cA
org.bouncycastle.asn1.DERInteger
pathLenConstraint
Constructors Summary
public BasicConstraints(org.bouncycastle.asn1.ASN1Sequence seq)

    	if (seq.size() == 0)
    	{
    		this.cA = null;
    		this.pathLenConstraint = null;
    	}
    	else
    	{
        	this.cA = (DERBoolean)seq.getObjectAt(0);
	        if (seq.size() > 1)
	        {
	            this.pathLenConstraint = (DERInteger)seq.getObjectAt(1);
	        }
    	}
public BasicConstraints(boolean cA, int pathLenConstraint)

deprecated
use one of the other two unambigous constructors.
param
cA
param
pathLenConstraint

    	if (cA )
    	{
        	this.cA = new DERBoolean(cA);
        	this.pathLenConstraint = new DERInteger(pathLenConstraint);
    	}
    	else
    	{
    		this.cA = null;
    		this.pathLenConstraint = null;
    	}
public BasicConstraints(boolean cA)

    	if (cA)
    	{
			this.cA = new DERBoolean(true);
    	}
    	else
    	{
			this.cA = null;
    	}
        this.pathLenConstraint = null;
public BasicConstraints(int pathLenConstraint)
create a cA=true object for the given path length constraint.

param
pathLenConstraint

		this.cA = new DERBoolean(true);
		this.pathLenConstraint = new DERInteger(pathLenConstraint);
Methods Summary
public static org.bouncycastle.asn1.x509.BasicConstraintsgetInstance(org.bouncycastle.asn1.ASN1TaggedObject obj, boolean explicit)


       
         
                  
    
        return getInstance(ASN1Sequence.getInstance(obj, explicit));
public static org.bouncycastle.asn1.x509.BasicConstraintsgetInstance(java.lang.Object obj)

        if (obj == null || obj instanceof BasicConstraints)
        {
            return (BasicConstraints)obj;
        }
        else if (obj instanceof ASN1Sequence)
        {
            return new BasicConstraints((ASN1Sequence)obj);
        }

        throw new IllegalArgumentException("unknown object in factory");
public java.math.BigIntegergetPathLenConstraint()

        if (pathLenConstraint != null)
        {
            return pathLenConstraint.getValue();
        }

        return null;
public booleanisCA()

        return (cA != null) && cA.isTrue();
public org.bouncycastle.asn1.DERObjecttoASN1Object()
Produce an object suitable for an ASN1OutputStream. 
BasicConstraints := SEQUENCE {
cA BOOLEAN DEFAULT FALSE,
pathLenConstraint INTEGER (0..MAX) OPTIONAL
}


        ASN1EncodableVector  v = new ASN1EncodableVector();

		if (cA != null)
		{
	        v.add(cA);
	
	        if (pathLenConstraint != null)
	        {
	            v.add(pathLenConstraint);
	        }
		}

        return new DERSequence(v);
public java.lang.StringtoString()

		if (pathLenConstraint == null)
		{
			if (cA == null)
			{
				return "BasicConstraints: isCa(false)";
			}
			return "BasicConstraints: isCa(" + this.isCA() + ")";
		}
		return "BasicConstraints: isCa(" + this.isCA() + "), pathLenConstraint = " + pathLenConstraint.getValue();