asn1objectparser.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:   ASN1ObjectParser.java

package org.bouncycastle.asn1;

import java.io.IOException;
import java.io.InputStream;

// Referenced classes of package org.bouncycastle.asn1:
//			ASN1EncodableVector, ASN1StreamParser, DEREncodable

public class ASN1ObjectParser
{

	private int _baseTag;
	private int _tagNumber;
	private ASN1StreamParser _aIn;

	protected ASN1ObjectParser(int baseTag, int tagNumber, InputStream contentStream)
	{
		_baseTag = baseTag;
		_tagNumber = tagNumber;
		_aIn = new ASN1StreamParser(contentStream);
	}

	int getTagNumber()
	{
		return _tagNumber;
	}

	int getBaseTag()
	{
		return _baseTag;
	}

	DEREncodable readObject()
		throws IOException
	{
		return _aIn.readObject();
	}

	ASN1EncodableVector readVector()
		throws IllegalStateException
	{
		ASN1EncodableVector v = new ASN1EncodableVector();
		DEREncodable obj;
		try
		{
			while ((obj = readObject()) != null) 
				v.add(obj.getDERObject());
		}
		catch (IOException e)
		{
			throw new IllegalStateException(e.getMessage());
		}
		return v;
	}
}