package org.spongycastle.asn1.esf;

import java.util.Enumeration;

import org.spongycastle.asn1.ASN1Object;
import org.spongycastle.asn1.ASN1Primitive;
import org.spongycastle.asn1.ASN1Sequence;
import org.spongycastle.asn1.DERSequence;

/**
 * <pre>
 * OcspListID ::=  SEQUENCE {
 *    ocspResponses  SEQUENCE OF OcspResponsesID
 * }
 * </pre>
 */
public class OcspListID
    extends ASN1Object
{
    private ASN1Sequence ocspResponses;

    public static OcspListID getInstance(Object obj)
    {
        if (obj instanceof OcspListID)
        {
            return (OcspListID)obj;
        }
        else if (obj != null)
        {
            return new OcspListID(ASN1Sequence.getInstance(obj));
        }

        return null;
    }

    private OcspListID(ASN1Sequence seq)
    {
        if (seq.size() != 1)
        {
            throw new IllegalArgumentException("Bad sequence size: "
                + seq.size());
        }
        this.ocspResponses = (ASN1Sequence)seq.getObjectAt(0);
        Enumeration e = this.ocspResponses.getObjects();
        while (e.hasMoreElements())
        {
            OcspResponsesID.getInstance(e.nextElement());
        }
    }

    public OcspListID(OcspResponsesID[] ocspResponses)
    {
        this.ocspResponses = new DERSequence(ocspResponses);
    }

    public OcspResponsesID[] getOcspResponses()
    {
        OcspResponsesID[] result = new OcspResponsesID[this.ocspResponses
            .size()];
        for (int idx = 0; idx < result.length; idx++)
        {
            result[idx] = OcspResponsesID.getInstance(this.ocspResponses
                .getObjectAt(idx));
        }
        return result;
    }

    public ASN1Primitive toASN1Primitive()
    {
        return new DERSequence(this.ocspResponses);
    }
}
