package org.hxzon.asn1.osipresentation;
import org.hxzon.asn1.core.parse.BerInputStream;
import org.hxzon.asn1.core.parse.Tag;
import org.hxzon.asn1.core.parse.ext.Asn1Utils;
import org.hxzon.asn1.core.type.base.BerNode;
import org.hxzon.asn1.core.type.ext.BerChoice;
import org.hxzon.asn1.core.type.ext.UnknownBerNode;
import org.hxzon.asn1.mms.MmsPdu;
public class PresentationDataValues extends BerChoice implements UserDataContainer {
private long _contextValue = 0;
public PresentationDataValues(long contextValue) {
setId("presentation data values");
setName("presentation data values");
_contextValue = contextValue;
}
// presentation-data-values
// CHOICE {single-ASN1-type [0] ANY,
//-- [0] ABSTRACT-SYNTAX.&Type
//-- (CONSTRAINED BY {
//
// -- Type corresponding to presentation context identifier }),
// octet-aligned [1] IMPLICIT OCTET STRING,
// arbitrary [2] IMPLICIT BIT STRING}
@Override
public BerNode create(int tag, BerInputStream stream) {
switch (tag) {
case Tag.CONTEXT | 0:
if (_contextValue == 3) {
return new SingleAsn1Type(MmsPdu.class, false).init("single-ASN1-type", "single-ASN1-type", tag, stream);
} else {
return new SingleAsn1Type(UnknownBerNode.class).init("single-ASN1-type", "single-ASN1-type", tag, stream);
}
case Tag.CONTEXT | 1:
return Asn1Utils.createBerOctetString("octet aligned", "octet aligned", tag, stream);
case Tag.CONTEXT | 2:
return Asn1Utils.createBerBitString("arbitrary", "arbitrary", tag, stream);
default:
return Asn1Utils.createUnknown(tag, stream);
}
}
public BerNode[] getUserData() {
BerNode child = this.getRealNode();
if (child instanceof UserDataContainer) {
//single asn1 type
return ((UserDataContainer) child).getUserData();
}
//octet-aligned,arbitrary,unknown
return new BerNode[] { child };
}
}