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package org.bouncycastle.asn1;
import java.io.IOException;
public class BERTaggedObjectParser
implements ASN1TaggedObjectParser
{
private boolean _constructed;
private int _tagNumber;
private ASN1StreamParser _parser;
BERTaggedObjectParser(
boolean constructed,
int tagNumber,
ASN1StreamParser parser)
{
_constructed = constructed;
_tagNumber = tagNumber;
_parser = parser;
}
public boolean isConstructed()
{
return _constructed;
}
public int getTagNo()
{
return _tagNumber;
}
public ASN1Encodable getObjectParser(
int tag,
boolean isExplicit)
throws IOException
{
if (isExplicit)
{
if (!_constructed)
{
throw new IOException("Explicit tags must be constructed (see X.690 8.14.2)");
}
return _parser.readObject();
}
return _parser.readImplicit(_constructed, tag);
}
public ASN1Primitive getLoadedObject()
throws IOException
{
return _parser.readTaggedObject(_constructed, _tagNumber);
}
public ASN1Primitive toASN1Primitive()
{
try
{
return this.getLoadedObject();
}
catch (IOException e)
{
throw new ASN1ParsingException(e.getMessage());
}
}
}
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