dertaggedobject.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:   DERTaggedObject.java

package org.bouncycastle.asn1;

import java.io.ByteArrayOutputStream;
import java.io.IOException;

// Referenced classes of package org.bouncycastle.asn1:
//			ASN1TaggedObject, DEROutputStream, DERSequence, DEREncodable

public class DERTaggedObject extends ASN1TaggedObject
{

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

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

	public DERTaggedObject(int tagNo)
	{
		super(false, tagNo, new DERSequence());
	}

	void encode(DEROutputStream out)
		throws IOException
	{
		if (!empty)
		{
			ByteArrayOutputStream bOut = new ByteArrayOutputStream();
			DEROutputStream dOut = new DEROutputStream(bOut);
			dOut.writeObject(obj);
			dOut.close();
			byte bytes[] = bOut.toByteArray();
			if (explicit)
			{
				out.writeEncoded(0xa0 | tagNo, bytes);
			} else
			{
				if ((bytes[0] & 0x20) != 0)
					bytes[0] = (byte)(0xa0 | tagNo);
				else
					bytes[0] = (byte)(0x80 | tagNo);
				out.write(bytes);
			}
		} else
		{
			out.writeEncoded(0xa0 | tagNo, new byte[0]);
		}
	}
}