void encode(ASN1OutputStream out) throws IOException {
if (!empty) {
ASN1Primitive primitive = obj.toASN1Primitive().toDERObject();
if (explicit) {
out.writeTag(BERTags.CONSTRUCTED | BERTags.TAGGED, tagNo);
out.writeLength(primitive.encodedLength());
out.writeObject(primitive);
} else {
//
// need to mark constructed types...
//
int flags;
if (primitive.isConstructed()) {
flags = BERTags.CONSTRUCTED | BERTags.TAGGED;
} else {
flags = BERTags.TAGGED;
}
out.writeTag(flags, tagNo);
out.writeImplicitObject(primitive);
}
} else {
out.writeEncoded(BERTags.CONSTRUCTED | BERTags.TAGGED, tagNo, ZERO_BYTES);
}
}
boolean isConstructed() {
if (!empty) {
if (explicit) {
return true;
} else {
ASN1Primitive primitive = obj.toASN1Primitive().toDERObject();
return primitive.isConstructed();
}
} else {
return true;
}
}
void writeImplicitObject(ASN1Primitive obj) throws IOException {
if (obj != null) {
obj.encode(new ImplicitOutputStream(os));
} else {
throw new IOException("null object detected");
}
}
int encodedLength() throws IOException {
if (!empty) {
ASN1Primitive primitive = obj.toASN1Primitive().toDERObject();
int length = primitive.encodedLength();
if (explicit) {
return StreamUtil.calculateTagLength(tagNo)
+ StreamUtil.calculateBodyLength(length)
+ length;
} else {
// header length already in calculation
length = length - 1;
return StreamUtil.calculateTagLength(tagNo) + length;
}
} else {
return StreamUtil.calculateTagLength(tagNo) + 1;
}
}