deruniversalstring.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:   DERUniversalString.java

package org.bouncycastle.asn1;

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

// Referenced classes of package org.bouncycastle.asn1:
//			ASN1Object, ASN1OctetString, ASN1OutputStream, ASN1TaggedObject, 
//			DEROutputStream, DERString, DERObject

public class DERUniversalString extends ASN1Object
	implements DERString
{

	private static final char table[] = {
		'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 
		'A', 'B', 'C', 'D', 'E', 'F'
	};
	private byte string[];

	public static DERUniversalString getInstance(Object obj)
	{
		if (obj == null || (obj instanceof DERUniversalString))
			return (DERUniversalString)obj;
		if (obj instanceof ASN1OctetString)
			return new DERUniversalString(((ASN1OctetString)obj).getOctets());
		else
			throw new IllegalArgumentException((new StringBuilder()).append("illegal object in getInstance: ").append(obj.getClass().getName()).toString());
	}

	public static DERUniversalString getInstance(ASN1TaggedObject obj, boolean explicit)
	{
		return getInstance(obj.getObject());
	}

	public DERUniversalString(byte string[])
	{
		this.string = string;
	}

	public String getString()
	{
		StringBuffer buf = new StringBuffer("#");
		ByteArrayOutputStream bOut = new ByteArrayOutputStream();
		ASN1OutputStream aOut = new ASN1OutputStream(bOut);
		try
		{
			aOut.writeObject(this);
		}
		catch (IOException e)
		{
			throw new RuntimeException("internal error encoding BitString");
		}
		byte string[] = bOut.toByteArray();
		for (int i = 0; i != string.length; i++)
		{
			buf.append(table[string[i] >>> 4 & 0xf]);
			buf.append(table[string[i] & 0xf]);
		}

		return buf.toString();
	}

	public String toString()
	{
		return getString();
	}

	public byte[] getOctets()
	{
		return string;
	}

	void encode(DEROutputStream out)
		throws IOException
	{
		out.writeEncoded(28, getOctets());
	}

	boolean asn1Equals(DERObject o)
	{
		if (!(o instanceof DERUniversalString))
			return false;
		else
			return getString().equals(((DERUniversalString)o).getString());
	}

	public int hashCode()
	{
		return getString().hashCode();
	}

}