bcprov/src/main/java/org/bouncycastle/asn1/DERFactory.java

package org.bouncycastle.asn1;

class DERFactory
{
    static final ASN1Sequence EMPTY_SEQUENCE = new DERSequence();
    static final ASN1Set EMPTY_SET = new DERSet();

    static ASN1Sequence createSequence(ASN1EncodableVector v)
    {
        return v.size() < 1 ? EMPTY_SEQUENCE : new DLSequence(v);
    }

    static ASN1Set createSet(ASN1EncodableVector v)
    {
        return v.size() < 1 ? EMPTY_SET : new DLSet(v);
    }
}