package org.bouncycastle.asn1.dvcs;

import org.bouncycastle.asn1.ASN1Encodable;
import org.bouncycastle.asn1.ASN1EncodableVector;
import org.bouncycastle.asn1.ASN1Object;
import org.bouncycastle.asn1.ASN1Primitive;
import org.bouncycastle.asn1.ASN1Sequence;
import org.bouncycastle.asn1.ASN1TaggedObject;
import org.bouncycastle.asn1.DERSequence;
import org.bouncycastle.asn1.DERTaggedObject;

    TargetEtcChain ::= SEQUENCE {
        target                       CertEtcToken,
        chain                        SEQUENCE SIZE (1..MAX) OF
                                        CertEtcToken OPTIONAL,
        pathProcInput                [0] PathProcInput OPTIONAL
    }
/** * <pre> * TargetEtcChain ::= SEQUENCE { * target CertEtcToken, * chain SEQUENCE SIZE (1..MAX) OF * CertEtcToken OPTIONAL, * pathProcInput [0] PathProcInput OPTIONAL * } * </pre> */
public class TargetEtcChain extends ASN1Object { private CertEtcToken target; private ASN1Sequence chain; private PathProcInput pathProcInput; public TargetEtcChain(CertEtcToken target) { this(target, null, null); } public TargetEtcChain(CertEtcToken target, CertEtcToken[] chain) { this(target, chain, null); } public TargetEtcChain(CertEtcToken target, PathProcInput pathProcInput) { this(target, null, pathProcInput); } public TargetEtcChain(CertEtcToken target, CertEtcToken[] chain, PathProcInput pathProcInput) { this.target = target; if (chain != null) { this.chain = new DERSequence(chain); } this.pathProcInput = pathProcInput; } private TargetEtcChain(ASN1Sequence seq) { int i = 0; ASN1Encodable obj = seq.getObjectAt(i++); this.target = CertEtcToken.getInstance(obj); if (seq.size() > 1) { obj = seq.getObjectAt(i++); if (obj instanceof ASN1TaggedObject) { extractPathProcInput(obj); } else { this.chain = ASN1Sequence.getInstance(obj); if (seq.size() > 2) { obj = seq.getObjectAt(i); extractPathProcInput(obj); } } } } private void extractPathProcInput(ASN1Encodable obj) { ASN1TaggedObject tagged = ASN1TaggedObject.getInstance(obj); switch (tagged.getTagNo()) { case 0: this.pathProcInput = PathProcInput.getInstance(tagged, false); break; default: throw new IllegalArgumentException("Unknown tag encountered: " + tagged.getTagNo()); } } public static TargetEtcChain getInstance(Object obj) { if (obj instanceof TargetEtcChain) { return (TargetEtcChain)obj; } else if (obj != null) { return new TargetEtcChain(ASN1Sequence.getInstance(obj)); } return null; } public static TargetEtcChain getInstance( ASN1TaggedObject obj, boolean explicit) { return getInstance(ASN1Sequence.getInstance(obj, explicit)); } public ASN1Primitive toASN1Primitive() { ASN1EncodableVector v = new ASN1EncodableVector(); v.add(target); if (chain != null) { v.add(chain); } if (pathProcInput != null) { v.add(new DERTaggedObject(false, 0, pathProcInput)); } return new DERSequence(v); } public String toString() { StringBuffer s = new StringBuffer(); s.append("TargetEtcChain {\n"); s.append("target: " + target + "\n"); if (chain != null) { s.append("chain: " + chain + "\n"); } if (pathProcInput != null) { s.append("pathProcInput: " + pathProcInput + "\n"); } s.append("}\n"); return s.toString(); } public CertEtcToken getTarget() { return target; } public CertEtcToken[] getChain() { if (chain != null) { return CertEtcToken.arrayFromSequence(chain); } return null; } public PathProcInput getPathProcInput() { return pathProcInput; } public static TargetEtcChain[] arrayFromSequence(ASN1Sequence seq) { TargetEtcChain[] tmp = new TargetEtcChain[seq.size()]; for (int i = 0; i != tmp.length; i++) { tmp[i] = TargetEtcChain.getInstance(seq.getObjectAt(i)); } return tmp; } }