bertaggedobject.java

java 文件下载器。可自定义

// Decompiled by Jad v1.5.8e2. Copyright 2001 Pavel Kouznetsov.
// Jad home page: http://kpdus.tripod.com/jad.html
// Decompiler options: packimports(3) fieldsfirst ansi space 
// Source File Name:   BERTaggedObject.java

package org.bouncycastle.asn1;

import java.io.IOException;
import java.util.Enumeration;

// Referenced classes of package org.bouncycastle.asn1:
//			DERTaggedObject, ASN1OctetString, ASN1OutputStream, ASN1Sequence, 
//			ASN1Set, BERConstructedOctetString, BEROutputStream, BERSequence, 
//			DEROutputStream, DEREncodable

public class BERTaggedObject extends DERTaggedObject
{

	public BERTaggedObject(int tagNo, DEREncodable obj)
	{
		super(tagNo, obj);
	}

	public BERTaggedObject(boolean explicit, int tagNo, DEREncodable obj)
	{
		super(explicit, tagNo, obj);
	}

	public BERTaggedObject(int tagNo)
	{
		super(false, tagNo, new BERSequence());
	}

	void encode(DEROutputStream out)
		throws IOException
	{
		if ((out instanceof ASN1OutputStream) || (out instanceof BEROutputStream))
		{
			out.write(0xa0 | tagNo);
			out.write(128);
			if (!empty)
				if (!explicit)
				{
					if (obj instanceof ASN1OctetString)
					{
						Enumeration e;
						if (obj instanceof BERConstructedOctetString)
						{
							e = ((BERConstructedOctetString)obj).getObjects();
						} else
						{
							ASN1OctetString octs = (ASN1OctetString)obj;
							BERConstructedOctetString berO = new BERConstructedOctetString(octs.getOctets());
							e = berO.getObjects();
						}
						for (; e.hasMoreElements(); out.writeObject(e.nextElement()));
					} else
					if (obj instanceof ASN1Sequence)
					{
						for (Enumeration e = ((ASN1Sequence)obj).getObjects(); e.hasMoreElements(); out.writeObject(e.nextElement()));
					} else
					if (obj instanceof ASN1Set)
					{
						for (Enumeration e = ((ASN1Set)obj).getObjects(); e.hasMoreElements(); out.writeObject(e.nextElement()));
					} else
					{
						throw new RuntimeException((new StringBuilder()).append("not implemented: ").append(obj.getClass().getName()).toString());
					}
				} else
				{
					out.writeObject(obj);
				}
			out.write(0);
			out.write(0);
		} else
		{
			super.encode(out);
		}
	}
}