    001package org.apache.commons.ssl.asn1;
    002
    003import java.io.IOException;
    004import java.io.OutputStream;
    005
    006public class ASN1OutputStream
    007    extends DEROutputStream {
    008    public ASN1OutputStream(
    009        OutputStream os) {
    010        super(os);
    011    }
    012
    013    public void writeObject(
    014        Object obj)
    015        throws IOException {
    016        if (obj == null) {
    017            writeNull();
    018        } else if (obj instanceof DERObject) {
    019            ((DERObject) obj).encode(this);
    020        } else if (obj instanceof DEREncodable) {
    021            ((DEREncodable) obj).getDERObject().encode(this);
    022        } else {
    023            throw new IOException("object not ASN1Encodable");
    024        }
    025    }
    026}