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package org.bouncycastle.asn1;
/**
* DER NumericString object - this is an ascii string of characters {0,1,2,3,4,5,6,7,8,9, }.
* ASN.1 NUMERIC-STRING object.
*
* This is an ASCII string of characters {0,1,2,3,4,5,6,7,8,9} + space.
*
* See X.680 section 37.2.
*
* Explicit character set escape sequences are not allowed.
*/
public class DERNumericString
extends ASN1NumericString
{
/**
* Return a Numeric string from the passed in object
*
* @param obj a DERNumericString or an object that can be converted into one.
* @exception IllegalArgumentException if the object cannot be converted.
* @return a DERNumericString instance, or null
*
* @deprecated Use {@link ASN1NumericString#getInstance(Object)} instead.
*/
public static DERNumericString getInstance(
Object obj)
{
if (obj == null || obj instanceof DERNumericString)
{
return (DERNumericString)obj;
}
if (obj instanceof ASN1NumericString)
{
return new DERNumericString(((ASN1NumericString)obj).contents, false);
}
if (obj instanceof byte[])
{
try
{
return (DERNumericString)fromByteArray((byte[])obj);
}
catch (Exception e)
{
throw new IllegalArgumentException("encoding error in getInstance: " + e.toString());
}
}
throw new IllegalArgumentException("illegal object in getInstance: " + obj.getClass().getName());
}
/**
* Return an Numeric String from a tagged object.
*
* @param obj the tagged object holding the object we want
* @param explicit true if the object is meant to be explicitly tagged false
* otherwise.
* @exception IllegalArgumentException if the tagged object cannot be converted.
* @return a DERNumericString instance, or null.
*
* @deprecated Use
* {@link ASN1NumericString#getInstance(ASN1TaggedObject, boolean)}
* instead.
*/
public static DERNumericString getInstance(
ASN1TaggedObject obj,
boolean explicit)
{
ASN1Primitive o = obj.getObject();
if (explicit || o instanceof DERNumericString)
{
return getInstance(o);
}
else
{
return new DERNumericString(ASN1OctetString.getInstance(o).getOctets(), true);
}
}
/**
* Basic constructor - without validation..
*/
public DERNumericString(String string)
{
this(string, false);
}
/**
* Constructor with optional validation.
*
* @param string the base string to wrap.
* @param validate whether or not to check the string.
* @throws IllegalArgumentException if validate is true and the string
* contains characters that should not be in a NumericString.
*/
public DERNumericString(String string, boolean validate)
{
super(string, validate);
}
DERNumericString(byte[] contents, boolean clone)
{
super(contents, clone);
}
}