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package org.spongycastle.asn1.dvcs;
import org.spongycastle.asn1.ASN1Choice;
import org.spongycastle.asn1.ASN1Object;
import org.spongycastle.asn1.ASN1OctetString;
import org.spongycastle.asn1.ASN1Primitive;
import org.spongycastle.asn1.ASN1Sequence;
import org.spongycastle.asn1.ASN1TaggedObject;
import org.spongycastle.asn1.DEROctetString;
import org.spongycastle.asn1.DERSequence;
import org.spongycastle.asn1.DERTaggedObject;
import org.spongycastle.asn1.x509.DigestInfo;
/**
* <pre>
* Data ::= CHOICE {
* message OCTET STRING ,
* messageImprint DigestInfo,
* certs [0] SEQUENCE SIZE (1..MAX) OF
* TargetEtcChain
* }
* </pre>
*/
public class Data
extends ASN1Object
implements ASN1Choice
{
private ASN1OctetString message;
private DigestInfo messageImprint;
private ASN1Sequence certs;
public Data(byte[] messageBytes)
{
this.message = new DEROctetString(messageBytes);
}
public Data(ASN1OctetString message)
{
this.message = message;
}
public Data(DigestInfo messageImprint)
{
this.messageImprint = messageImprint;
}
public Data(TargetEtcChain cert)
{
this.certs = new DERSequence(cert);
}
public Data(TargetEtcChain[] certs)
{
this.certs = new DERSequence(certs);
}
private Data(ASN1Sequence certs)
{
this.certs = certs;
}
public static Data getInstance(Object obj)
{
if (obj instanceof Data)
{
return (Data)obj;
}
else if (obj instanceof ASN1OctetString)
{
return new Data((ASN1OctetString)obj);
}
else if (obj instanceof ASN1Sequence)
{
return new Data(DigestInfo.getInstance(obj));
}
else if (obj instanceof ASN1TaggedObject)
{
return new Data(ASN1Sequence.getInstance((ASN1TaggedObject)obj, false));
}
throw new IllegalArgumentException("Unknown object submitted to getInstance: " + obj.getClass().getName());
}
public static Data getInstance(
ASN1TaggedObject obj,
boolean explicit)
{
return getInstance(obj.getObject());
}
public ASN1Primitive toASN1Primitive()
{
if (message != null)
{
return message.toASN1Primitive();
}
if (messageImprint != null)
{
return messageImprint.toASN1Primitive();
}
else
{
return new DERTaggedObject(false, 0, certs);
}
}
public String toString()
{
if (message != null)
{
return "Data {\n" + message + "}\n";
}
if (messageImprint != null)
{
return "Data {\n" + messageImprint + "}\n";
}
else
{
return "Data {\n" + certs + "}\n";
}
}
public ASN1OctetString getMessage()
{
return message;
}
public DigestInfo getMessageImprint()
{
return messageImprint;
}
public TargetEtcChain[] getCerts()
{
if (certs == null)
{
return null;
}
TargetEtcChain[] tmp = new TargetEtcChain[certs.size()];
for (int i = 0; i != tmp.length; i++)
{
tmp[i] = TargetEtcChain.getInstance(certs.getObjectAt(i));
}
return tmp;
}
}
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